Hurricane Isaac


 

 

 

POST TROPICAL CYCLONE REPORT...HURRICANE ISAAC...UPDATED
NATIONAL WEATHER SERVICE NEW ORLEANS LA
430 PM CDT THU SEP 13 2012

NOTE: THE DATA SHOWN HERE ARE PRELIMINARY....AND SUBJECT TO UPDATES 
AND CORRECTIONS AS APPROPRIATE.

COUNTIES INCLUDED...AMITE...HANCOCK...HARRISON...JACKSON...PEARL 
RIVER...PIKE...WALTHALL...WILKINSON.

PARISHES INCLUDED...ASCENSION...ASSUMPTION...EAST BATON ROUGE...
EAST FELICIANA...IBERVILLE...JEFFERSON...LAFOURCHE...LIVINGSTON... 
ORLEANS...PLAQUEMINES...POINTE COUPEE...ST. BERNARD...ST. CHARLES... 
ST. HELENA...ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY... 
TANGIPAHOA...TERREBONNE...WASHINGTON...WEST BATON ROUGE...
WEST FELICIANA.

CHANGES MADE ON SEP 6...
1. SECTION A - CORRECTED WIND SPEEDS AT KBTR. AND ADDED DATA FOR 
   SITES KNBG...KHUM...KHDC AND KGAO. ADDED SEVERAL STATIONS TO THE
   NON-METAR OBSERVATION SECTION.
2. SECTION C - CORRECTED SEVERAL RAINFALL TOTALS DUE TO AN ALGORITHM
   ERROR.

CHANGES MADE ON SEPT 13...
1. SECTION A - METAR OBSERVATIONS...ADDED DATA FOR SITE KBIX. 
   NON-METAR STATIONS...ADDED DATA FROM TTU STICKNET SITES. ADDED
   LAT/LON DATA FOR LSU AG SITES.
2. SECTION B - ADDED DATA FOR KMDJ...KSPR...KMIS...PTBM6 AND SPLL1.
3. SECTION C - ADDED RAINFALL TOTALS FROM SELECT COCORAHS SITES.
4. SECTION E - ADDED DATA FROM USCOE GAGES AT MANDEVILLE AND 
   PONCHATOULA.
5. SECTION F - ADDED INFORMATION ABOUT TORNADOES IN JACKSON COUNTY.
6. SECTION G - ADDED PARISH/COUNTY SPECIFIC IMPACTS.


A. LOWEST SEA LEVEL PRESSURE/MAXIMUM SUSTAINED WINDS AND PEAK GUSTS
---------------------------------------------------------------------
METAR OBSERVATIONS...
NOTE: ANEMOMETER HEIGHT IS 10 METERS AND WIND AVERAGING IS 2 MINUTES
---------------------------------------------------------------------
LOCATION  ID    MIN    DATE/     MAX      DATE/     PEAK    DATE/
LAT  LON        PRES   TIME      SUST     TIME      GUST    TIME
DEG DECIMAL     (MB)   (UTC)     (KT)     (UTC)     (KT)    (UTC)
---------------------------------------------------------------------
KNEW-NEW ORLEANS LAKEFRONT AIRPORT                                  
30.04 -90.03    985.1 29/1446   040/052  29/0328   070/066 29/0507 

KGAO-SOUTH LAFOURCHE AIRPORT
29.44 -90.26                    100/050  29/0455 I 100/067 29/0455 I

KBVE-BOOTHVILLE                                                     
29.33 -89.40    977.3 28/2346 I 100/047  29/0302 I 100/073 29/0259 I

KNBG-BELLE CHASSE NAS
29.82 -90.03    990.1 29/1055   080/046  29/0838   080/069 29/0838 

KMSY-NEW ORLEANS ARMSTRONG INTL AIRPORT                             
29.98 -90.25    982.4 29/1622   030/046  29/0348   080/065 29/1007  

KGPT-GULFPORT AIRPORT                                               
30.40 -89.07    997.6 29/2218   130/046  29/1719   130/061 29/1719

KHUM-HOUMA-TERREBONNE AIRPORT
29.57 -90.67                    360/043  29/0755 I 360/057 29/0815 I

KBTR-BATON ROUGE RYAN FIELD
30.54 -91.15    982.1 30/0028   030/039  29/1153   030/050 29/1253  

KBIX-BILOXI KEESLER AFB
30.41 -88.92    994.9 29/2320   130/039  29/1858   130/049 29/1858

KASD-SLIDELL AIRPORT                                                
30.35 -89.82    991.9 29/2122   160/034  30/0306   090/050 29/1239

KPQL-PASCAGOULA AIRPORT                                             
30.46 -88.53   1000.0 29/1049   150/032  30/0230   110/045 30/0136 

KHDC-HAMMOND MUNICIPAL AIRPORT
30.52 -90.42                    100/030  29/2215   100/047 30/0015

KMCB-MCCOMB AIRPORT
31.18 -90.47    992.6 30/0650   160/025  30/1911   110/039 30/0429
  

REMARKS: DATA FROM KBVE AND KBTR ARE INCOMPLETE DUE TO EQUIPMENT 
FAILURES.  WIND OBSERVATIONS ARE IN THE FORMAT DDD/SSS WHERE DDD IS 
THE DIRECTION AND SSS IS THE SPEED.



NON-METAR OBSERVATIONS... 
NOTE: ANEMOMETER HEIGHT IN METERS AND WIND AVERAGING PERIOD IN
MINUTES INDICATED UNDER MAXIMUM SUSTAINED WIND IF KNOWN
---------------------------------------------------------------------
LOCATION  ID    MIN    DATE/     MAX      DATE/     PEAK    DATE/
LAT  LON        PRES   TIME      SUST     TIME      GUST    TIME
DEG DECIMAL     (MB)   (UTC)     (KT)     (UTC)     (KT)    (UTC)
---------------------------------------------------------------------
BURAS - TTU STICKNET
29.36 -89.56                    045/065  28/2333   045/075 29/2332
                               1MIN 2.25M

LAKEFRONT AIRPORT - WEATHERFLOW INC
30.04 -90.02                    070/058  29/0500   066/073 29/0405
                                    10M

VERRET - TTU STICKNET
29.86 -89.77                    070/055  29/0923   070/070 29/0923
                               1MIN 2.25M

GARDERE - TTU STICKNET
30.37 -91.17                    217/051  30/0627   217/062 30/0627
                               1MIN 2.25M

DULAC - WEATHERFLOW INC
29.35 -90.73                    338/049  29/1043   355/064 29/0805
                                    10M

JEFFERSON PARISH - WEATHERFLOW INC
29.93 -90.23                    060/048  29/0925   047/061 29/0810
                                    10M  

GULFPORT - WEATHERFLOW INC
30.36 -90.09                    131/048  29/1636   116/058 29/1610
                                    10M

MANDEVILLE - WEATHERFLOW INC
30.36 -90.09                    118/047  29/2056   112/057 29/1915
                                    10M

LAKESHORE - TTU STICKNET       
30.26 -89.40                    030/045  29/1350   030/052 29/1426
                               1MIN 2.25M

EDEN ISLE - TTU STICKNET
30.21 -89.79                    098/041  29/1316   098/054 29/1329
                               1MIN 2.25M

BAY ST. LOUIS - TTU STICKNET
30.31 -89.33                    159/041  29/1546   159/050 29/1546
                               1MIN 2.25M

BELLE TERRE - TTU STICKNET      
30.11 -91.07                    002/044  29/1724   002/054 29/1710
                               1MIN 2.25M

LAROSE - TTU STICKNET           
29.56 -90.38                    046/043  29/0750   046/061 29/0416
                               1MIN 2.25M

LAFITTE - TTU STICKNET
29.77 -90.03                    075/043  29/0758   075/057 29/0853
                               1MIN 2.25M

ST. GABRIEL - LSU AG STATION
30.26 -91.09                    019/042  29/1755   017/059 29/1700
                               1MIN 10M

BEN HUR - LSU AG STATION
30.36 -91.18                    060/041  29/1748   052/055 29/2000
                               1MIN 10M

VACHERIE - TTU STICKNET         
29.96 - 90.74                   035/040  29/1320   035/053 29/0935
                               1MIN 2.25M

CRESCENT - TTU STICKNET         
30.25 -91.27                    139/040  30/1144   139/049 30/1159
                               1MIN 2.25M

BYGL1 - BAYOU GAUCHE NOAA NOS
27.79 -90.42   974.3  29/1300   040/039  29/0842   050/055 29/1030 
                                     9M

THIBODAUX - TTU STICKNET        
29.77 -90.86                    015/038  29/1055   015/053 29/1214
                               1MIN 2.25M 
 
FRANKLINTON - LSU AG STATION
30.79 -90.20                    138/033  30/0515   138/046 30/0600
                               1MIN 10M             

PEARLINGTON - TTU STICKNET
30.30 -89.82                    094/029  29/1118   094/043 29/1331
                               1MIN 2.25M

GAUTIER - TTU STICKNET
30.38 -88.60                    115/029  29/0335   115/040 29/0913
                               1MIN 2.25M

REMARKS: WIND OBSERVATIONS ARE IN THE FORMAT DDD/SSS WHERE DDD IS 
THE DIRECTION AND SSS IS THE SPEED. TTU STICKNET OBSERVATIONS FROM
BURAS AND VERRET WERE TAKEN ON TOP OF LEVEES...WHICH MAY HAVE 
RESULTED IN SLIGHTLY HIGHER WIND SPEEDS.



B. MARINE OBSERVATIONS...
NOTE: ANEMOMETER HEIGHT IN METERS AND WIND AVERAGING PERIOD IN
MINUTES INDICATED UNDER MAXIMUM SUSTAINED WIND IF KNOWN
---------------------------------------------------------------------
LOCATION  ID    MIN    DATE/     MAX      DATE/     PEAK    DATE/
LAT  LON        PRES   TIME      SUST     TIME      GUST    TIME
DEG DECIMAL     (MB)   (UTC)     (KT)     (UTC)     (KT)    (UTC)
---------------------------------------------------------------------
KMDJ  - MS CANYON 311A
28.64 -88.79                    290/075  29/0035   290/089 29/0035
                                   90M

LOPL1 - LOUISIANA OFFSHORE OIL PORT
28.89 -90.02   968.1  29/0415   360/072  29/0130   220/086 29/1045
                                 57.9M

KMIS  - MP 140B AWOS
29.30 -88.84                    150/069  28/2055   150/092 28/2135
                                   85M

42363 - MISSISSIPPI CANYON PLATFORM 807
28.16 -89.22   979.9  28/2030 I 040/066  30/0130 I  
                                  122M

BURL1 - NOAA C-MAN SW PASS
28.91 -89.43                    047/066  29/0600   MMM/077 29/0500 
                                 30.5M

PSTL1 - PILOTS STATION NOAA NOS
28.93 -89.41   969.8  29/0218   170/065  29/0506   170/082 29/0624
                                   24M

SPLL1 - SOUTH TIMBALIER
28.87 -90.48                    330/064  29/0200 I 330/077 29/0200 I
                                 40.4M 

GISL1 - GRAND ISLE NOAA NOS
29.26 -89.96                    010/058  29/0012   010/074 29/0012
                                  9.4M

PILL1 - PILOT TOWN NOAA NOS
29.18 -89.26   970.8  28/2318   180/056  29/1506   150/069 29/0454
                                   10M

SHBL1 - SHELL BEACH NOAA NOS
29.87 -89.67                    050/056  29/0324   060/068 29/0330
                                   10M

42040 - NDBC BUOY
29.21 -88.21   988.9  28/1850 I 130/054  28/1950 I 120/072 28/1850 I
                                   10M

NWCL1 - NEW CANAL NOAA NOS
30.03 -90.11   983.4  29/1418  080/053  29/1000   070/072 29/0918
                                 11.9M

GPOM6 - GULFPORT OUTER RANGE NOAA NOS
30.23 -88.98   996.9  28/2342   110/045  29/0742   150/064 29/1800
                                 13.7M

WYCM6 - WAVELAND YACHT CLUB NOAA NOS
30.33 -89.33   995.9  29/0936   150/044  29/1912   120/058 29/1536
                                   10M

PTBM6 - PETIT BOIS ISLAND NOAA NOS
30.21 -88.50   998.9  28/2348   080/039  28/2336   080/054 28/2336
                                  8.2M

DKCM6 - PASCAGOULA DOCK C NOAA NOS
30.36 -88.57   999.4  29/0000   170/039  30/1112   170/054 30/1112
                                  8.4M

KSPR  - SHIP SHOAL
28.60 -91.20                    360/037  28/0535 I 360/041 28/1655 I
                                   75M

REMARKS: WIND OBSERVATIONS ARE IN THE FORMAT DDD/SSS WHERE DDD IS 
THE DIRECTION AND SSS IS THE SPEED. DATA FROM SITE 42363 AND 42040 
ARE INCOMPLETE.



C. STORM TOTAL RAINFALL FROM 1200 UTC AUG 27 THROUGH 1200 UTC AUG 31
-------------------------------------------------------------------- 
CITY/TOWN                    COUNTY              ID         RAINFALL 
LAT    LON                                                    (IN)   
DEG DECIMAL
---------------------------------------------------------------------
PASCAGOULA 3 NE             JACKSON              PGLM6        22.20
30.40  -88.48

N.O. CARROLLTON             ORLEANS              NORL1        20.66 
29.97  -90.08

KILN - COCORAHS             HANCOCK              MS-HC-9      18.27  
30.46  -89.43

BILOXI                      HARRISON             BLXM6        17.72
30.39  -89.00

LIVINGSTON                  LIVINGSTON           LVGL1        16.46 
30.52  -90.75

WAVELAND                    HANCOCK              WVLM6        16.09
30.29  -89.38

JAYESS - COCORAHS           PIKE                 MS-PK-2      15.94 
31.30  -90.26

HAMMOND - COCORAHS          TANGIPAHOA           LA-TG-2      15.68 
30.50  -90.50

MOUNT HERMON                WASHINGTON           MHML1        15.52
30.95  -90.31

RESERVE - COCORAHS          ST. JOHN THE BAPTIST LA-JB-2      14.84 
30.07  -90.56

PORT VINCENT                LIVINGSTON           PVLL1        14.50
30.33  -90.85

PICAYUNE - COCORAHS         PEARL RIVER          MS-PR-4      13.94 
30.55  -89.59

SAUCIER - COCORAHS          HARRISON             MS-HR-22     13.81 
30.66  -89.13

CARRIERE - COCORAHS         PEARL RIVER          MS-PR-1      13.69 
30.66  -89.67

GRAMMERCY - COCORAHS        ST. JAMES            LA-SJ-2      13.62 
30.06  -90.70

PASCAGOULA AIRPORT          JACKSON              KPQL         13.33
30.36  -88.55

GONZALES                    ASCENSION            GZLL1        12.26 I
30.20  -90.92

STENNIS AIRPORT             HANCOCK              KHSA         12.21
30.40  -89.48

LONG BEACH                  HARRISON             LNGM6        12.08
30.35  -89.16

SUN                         ST. TAMMANY          SUNL1        11.85
30.64  -89.92

MCCOMB AIRPORT              PIKE                 KMCB         11.74  
31.18  -90.47

TALISHEEK                   ST. TAMMANY          TALL1        11.66
30.52  -89.87

ROBERT LA                   TANGIPAHOA           ROBL1        11.50  
30.50  -90.34

OCEAN SPRINGS               JACKSON              OCSM6        11.25
30.41  -88.79

VANCLEAVE - COCORAHS        JACKSON              MS-JC-13     11.10 
30.59  -88.70

MERAUX - COCORAHS           ST. BERNARD          LA-SB-1      11.04 
29.93  -89.93

TERRYTOWN                   JEFFERSON            TERL1        11.02
29.90  -90.03

GALLIANO                    LAFOURCHE            GALL1        10.89 
29.46  -90.31

DUTCHTOWN                   ASCENSION            DCHL1        10.88
30.25  -90.99

GULFPORT AIRPORT            HARRISON             KGPT         10.85  
30.40  -89.07

SLIDELL AIRPORT             ST. TAMMANY          KASD         10.39  
30.35  -89.82

LUTCHER                     ST. JAMES            LUTL1        10.38 I
30.04  -90.69 

KENTWOOD                    TANGIPAHOA           KENL1        10.32
30.94  -90.49

N.O. ARMSTRONG AIRPORT      JEFFERSON            KMSY         10.29  
29.98  -90.25

BILOXI KEESLER AFB          HARRISON             KBIX         10.17 
30.41  -88.92

ABITA SPRINGS               ST. TAMMANY          ABSL1         9.68
30.47  -90.04

ABITA RIVER                 ST. TAMMANY          ABRL1         9.67
30.49  -90.10

SLIDELL CITY                ST. TAMMANY          SISL1         9.54 
30.27  -89.77

LIBERTY - COCORAHS          AMITE                MS-AM-1       9.53 
31.20  -90.70

BOOTHVILLE                  PLAQUEMINES          KBVE          9.43 I
29.33  -89.40

DENHAM SPRINGS              LIVINGSTON           DSPL1         9.39
30.48  -90.96

BATON ROUGE SHERWOOD        EAST BATON ROUGE     SBRL1         9.21  
30.44  -91.13

HOUMA                       TERREBONNE           HUML1         8.26
29.64  -90.82

GRAY - COCORAHS             TERREBONNE           LA-TR-5       8.21 
29.68  -90.77

THIBODAUX                   LAFOURCHE            THIL1         8.15
29.75  -90.77

DONALDSONVILLE 4SW          ASSUMPTION           DVLL1         7.80
30.07  -91.03

OLIVE BRANCH                EAST FELICIANA       OLVL1         7.30 
30.76  -91.03

OAKNOLIA                    EAST FELICIANA       OKNL1         7.28
30.75  -90.99

LIVERPOOL                   ST. HELENA           LPLL1         7.20
30.88  -90.77

CARVILLE                    IBERVILLE            CRVL1         7.09
30.20  -91.13

NAPOLEONVILLE               ASCENSION            NAPL1         6.47
29.93  -91.02

ZACHARY - COCORAHS          EAST BATON ROUGE     LA-EB-28      5.24 
30.68  -91.20

PORT ALLEN                  WEST BATON ROUGE     PTAL1         4.57
30.45  -91.22

ST. FRANCISVILLE            WEST FELICIANA       SFVL1         3.68
30.78  -91.38

NEW ROADS 5NE               POINTE COUPEE        NWRL1         3.07
30.73  -91.37


REMARKS: AN I BEHIND THE RAINFALL TOTAL INDICATES AN INCOMPLETE 
RECORD.


D. INLAND FLOODING...
---------------------------------------------------------------------
---------------------------------------------------------------------
LOCATION                       FLOOD       CREST      CREST    FLOOD
                               CATEGORY    HEIGHT     DATE     STAGE
WOLF RIVER NEAR LANDON         RECORD      31.36      08/31    27.0
WOLF RIVER NEAR GULFPORT       RECORD      16.50      09/01     8.0
E. HOBOLOCHITTO NEAR CAESAR    RECORD      21.48      08/31    15.0
TANGIPAHOA RIVER NEAR KENTWOOD MAJOR       16.86      08/31    13.0
TANGIPAHOA RIVER NEAR ROBERT   MAJOR       24.02      09/01    15.0
TCHEFUNCTE RIVER NEAR FOLSOM   MAJOR       20.93      08/29    16.0
AMITE RIVER NEAR MAUREPAS      MAJOR        7.48      08/28     4.0
PEARL RIVER NEAR PEARL RIVER   MAJOR       18.54      09/04    14.0
BOGUE CHITTO NEAR TYLERTOWN    MAJOR       29.81      08/31    15.0
BOGUE CHITTO NEAR FRANKLINTON  MAJOR       22.13      08/31    12.0
BOGUE CHITTO NEAR BUSH         MAJOR       19.82      09/02    11.0
W. HOBOLOCHITTO NEAR MCNEIL    MAJOR       24.63      08/31    15.0
BILOXI RIVER NEAR WORTHAM      MAJOR       26.38      08/29    16.0
TCHEFUNCTE RIVER COVINGTON     MODERATE    26.81      08/28    20.0
TICKFAW RIVER NEAR KILLIAN     MODERATE     5.90      09/04     4.0
AMITE RIVER FRENCH SETTLEMENT  MODERATE     6.87      08/27     4.0
BOGUE FALAYA CAMP COVINGTON    MODERATE    55.15      08/30    45.0
BOGUE FALAYA NEAR COVINGTON    MODERATE    15.08      08/28     6.0
BILOXI RIVER NEAR LYMAN        MODERATE    16.40      08/30    12.0
JOURDAN RIVER NEAR KILN        MODERATE     9.69      08/29     6.0

REMARKS: MODERATE TO RECORD FLOODING OCCURRED ON SEVERAL AREA 
RIVERS DUE TO HEAVY RAINFALL ASSOCIATED WITH HURRICANE ISAAC. SOME 
OF THE MORE SIGNIFICANT CRESTS ARE LISTED ABOVE. 



E. MAXIMUM STORM SURGE AND STORM TIDE...
OFFICIAL TIDE GAGES NOTED WITH LEADING G
---------------------------------------------------------------------

COUNTY           CITY/TOWN            SURGE   TIDE   DATE/    BEACH                        
                 OR LOCATION          (FT)    (FT)   TIME    EROSION     
---------------------------------------------------------------------
PLAQUEMINES    G POINT-A-LA-HACHE     12.0E  13.21   30/0230
USGS GAGE. NAVD88. 

ST. BERNARD    G SHELL BEACH          11.07  11.02   29/0536
NOS GAGE. MLLW. PREDICTED TIDE WAS -0.05

ORLEANS        G LITTLE IRISH BAYOU    5.5E  10.95   30/0915
USGS GAGE. NAVD88.

HANCOCK        G BAY ST LOUIS JOURD    9.0E  10.28   29/1700
USGS GAGE. NAVD88.

HANCOCK        G WAVELAND YACHT CLUB   7.98   9.82   29/1642
NOS GAGE. MLLW. MAX STORM SURGE 8.0 FT 29/1424.

JEFFERSON      G S OF LAFITTE          8.5E   9.47   31/0900
USGS GAGE. NAVD88.

ORLEANS        G RIGOLETS AT HWY 90    7.0E   8.88 I 30/0300
USGS GAGE. NAVD88.

ST. BERNARD    G GRAND PASS            7.5E   8.86   29/1530
USGS GAGE. NAVD88.

ST. TAMMANY    G MANDEVILLE            7.0E   8.25   30/0400
USCOE GAGE. NAVD88.

ST. TAMMANY    G BAYOU LIBERTY SLIDEL  7.5E   8.13   30/0645
USGS GAGE. NAVD88.

ASCENSION      G GONZALES PANAMA CANA  6.5E   7.96   30/0515
USGS GAGE. NAVD88.

ST. TAMMANY    G LACOMBE BAYOU LACOMB  6.5E   7.95   30/0545
USGS GAGE. NAVD88.

HARRISON       G BILOXI BACK BAY       6.5E   7.66   29/1845
USGS GAGE. NAVD88.

ST. JOHN THE   G PASS MANCHAC LAPLACE  5.5E   6.99   30/1100
USGS GAGE. NAVD88.

JACKSON        G OCEAN SPRINGS OLD FO  6.5E   6.96   29/1815
USGS GAGE. NAVD88.

PLAQUEMINES    G PILOT TOWN            6.63   6.70   29/0324
NOS GAGE. MLLW. MAX SURGE 6.69 FT 29/0000

TANGIPAHOA     G PONCHATOULA PASS MAN  5.5E   6.64   30/1900
USCOE GAGE. NAVD88.

LIVINGSTON     G MAUREPAS AMITE RIVER  5.5E   6.58   30/1500
USGS GAGE. NAVD88.

ORLEANS        G NEW CANAL             5.5E   6.53   30/0824 
NOS GAGE. MLLW.

LAFOURCHE      G LITTLE LAKE CUTOFF    4.0E   5.70   29/1900
USGS GAGE. NAVD88.

JEFFERSON      G GRAND ISLE            4.5E   5.64   29/1406
NOS GAGE. MLLW.

JEFFERSON      G LITTLE LAKE GALLIANO  4.5E   5.54   29/1700
USGS GAGE. NAVD88.

JACKSON        G PASCAGOULA DOCK E     4.41   5.38   29/1000
NOS GAGE. MLLW. MAX SURGE 4.46 FT 29/0100

JEFFERSON      G WAGGAMAN WHISKEY CAN  3.0E   5.12   30/0400
USGS GAGE. NAVD88.

JEFFERSON      G LAFITTE LAKE SALVAD   4.0E   4.71   30/1600
USGS GAGE. NAVD88.

ST. CHARLES    G BOUTEE DAVIS POND     3.0E   4.63   30/1815
USGS GAGE. NAVD88.

TERREBONNE     G CAILLOU LAKE DULAC    3.0E   4.54   30/1612
USGS GAGE. NAVD88.

TERREBONNE     G CAILLOU BAY COCODRI   2.5E   3.47   29/1700
USGS GAGE. NAVD88.

LAFOURCHE      G LOCKPORT COMPANY CA   2.0E   3.06   31/1200
USGS GAGE. NAVD88.

ST. CHARLES    G BAYOU GAUCHE          2.0E   2.77   31/0354
NOS GAGE. MLLW.

REMARKS: SURGE AT GAGES WITH NO KNOWN TIDE PREDICTIONS ARE 
ESTIMATED TO THE NEAREST HALF A FOOT AND DESIGNATED WITH AN E 
FOLLOWING THE SURGE VALUE. INCOMPLETE DATA IS DESIGNATED WITH AN 
I. TIME IN UTC.

 

F. TORNADOES...
---------------------------------------------------------------------
(DIST)CITY/TOWN              COUNTY           DATE/         EF SCALE 
LAT LON (DEG DECIMAL)                         TIME(UTC)    (IF KNOWN)
DESCRIPTION                                                          
---------------------------------------------------------------------
GULFPORT                     HARRISON         29/2215       EF-1
30.369N -89.086W
TORNADO MOVED INLAND AND UPROOTED A TREE AFTER CROSSING BEACH BLVD. 
IT CAUSED SIGNIFICANT DAMAGE TO A HOME UNDER CONSTRUCTION ON THE 
CORNER OF 15TH ST AND 18TH AVE. ALL WALLS OF THE HOME WERE SHIFTED 
AND LEANING AND A PORTION OF THE ROOF WAS COLLAPSED. THE TORNADO 
ALSO COLLAPSED THE PORCH ROOF OF A HOME ON 19TH AVE. IT CAUSED 
MAINLY TREE DAMAGE AS IT CONTINUED TO MOVE NNW BEFORE LIFTING.
PATH LENGTH 0.5 MILES. PATH WIDTH 25 YARDS
   

OCEAN SPRINGS 4SE             JACKSON          30/0014       EF-1
30.362N -88.749W
A TORNADO TOUCHED DOWN IN THE GULF PARK ESTATES AREA CAUSING DAMAGE
TO ROOFS ON SEVERAL HOUSES AND BLOWING OUT WINDOWS. A FEW TREES WERE 
DOWNED AND LARGE TREE BRANCHES SNAPPED. PATH LENGTH APPROXIMATELY 
0.40 MILES. PATH WIDTH 40 YARDS. 


PASCAGOULA 2SSW                JACKSON          30/1210       EF-2
30.344N -88.553W
A TORNADO TOUCHED DOWN IN THE SOUTH PORTION OF PASCAGOULA. MOST OF 
THE DAMAGE WAS CONSISTENT WITH EF-1 SCALE DAMAGE CONSISTING OF DOWNED 
TREES AND LARGE TREES AND LIGHT STRUCTURAL DAMAGE TO A FEW HOUSES. A 
SMALL AREA OF SIGNIFICANT DAMAGE...EF-2...OCCURRED WHERE NEARLY ALL 
OF THE ROOF OF A LARGE HOUSE WAS BLOWN OFF.  PATH LENGTH 0.7 MILES. 
PATH WIDTH 40 YARDS.   


G. STORM IMPACTS BY COUNTY... LISTED IN ALPHABETICAL ORDER
---------------------------------------------------------------------

COUNTY            DEATHS           INJURIES             EVACUATIONS  
DESCRIPTION
---------------------------------------------------------------------
ASCENSION            0                0                   UNKNOWN 
STORM SURGE FLOODING IN THE FAR EAST PORTION...AND SIGNIFICANT 
FLOODING ON THE AMITE RIVER. SEVERAL STREETS IMPASSIBLE DUE TO 
FLOODING. APPROX. 10 HOMES IMPACTED BY FLOODING IN ST. AMANT AREA. 
OVER 250 STRUCTURES WITH WIND DAMAGE DUE TO PROLONGED HIGH WINDS. 

ASSUMPTION          0                0                      0 
MINOR IMPACTS DUE TO PROLONGED STRONG WINDS...SEVERAL ROOFS DAMAGED 
AND TREES DOWNED THROUGHOUT THE PARISH. 

EAST BATON ROUGE     0                0                      0
SEVERAL ROADS CLOSED DUE TO DOWNED TREES AND POWER LINES. WIDESPREAD
POWER OUTAGES. MINOR IMPACTS DUE TO HEAVY RAINFALL. 

EAST FELICIANA       0                0                      0
4 HOMES FLOODED DUE TO HEAVY RAINFALL/FLASH FLOODING. NUMEROUS TREES
AND POWER LINES DOWN ACROSS THE PARISH...WITH A FEW ROADS BLOCKED BY
TREES OR OTHER WIND DEBRIS. MINOR IMPACTS DUE TO FLOODING ALONG THE
AMITE RIVER.

IBERVILLE            0                0                      0
SOME WIND DAMAGE TO TREES AND POWER LINES WITH ROUGHLY 1400 POWER 
OUTAGES REPORTED ACROSS THE PARISH. A FEW HUNDRED PEOPLE EVACUATED
TO PARISH SHELTERS.

JEFFERSON            0                0                    UNKNOWN                                 
SIGNIFICANT STORM SURGE FLOODING ON WEST BANK OF PARISH OUTSIDE OF
FEDERAL LEVEE SYSTEM. FLOODING IMPACTED 250 HOMES...100 OF THEM IN
GRAND ISLE. A FEW HIGH WATER RESCUES NECESSARY IN LAFITTE. HEAVY 
RAINFALL LED TO A FEW STREETS BECOMING IMPASSIBLE...MOSTLY IN THE
USUAL LOW LYING AREAS AROUND THE PARISH. WIDESPREAD DAMAGE TO TREES 
AND POWER LINES DUE TO PROLONGED HIGH WINDS WITH SEVERAL HURRICANE 
FORCE WIND GUSTS MEASURED AT ARMSTRONG INTERNATIONAL AIRPORT. 

LAFOURCHE            0                0                    UNKNOWN
SIGNIFICANT STORM SURGE FLOODING OUTSIDE OF FEDERAL HURRICANE 
PROTECTION LEVEE IN SOUTH LAFOURCHE. HWY 1 FLOODED AND IMPASSABLE 
SOUTH OF GOLDEN MEADOW FLOODGATES...IMPACTING PORT FOURCHON. SEVERAL OTHER 
ROADS BLOCKED BY DOWNED TREES AND POWER LINES. WIDESPREAD POWER 
OUTAGES ACROSS THE PARISH.

LIVINGSTON           0                0                    UNKNOWN
SIGNIFICANT STORM SURGE FLOODING ON SOUTH/SOUTHEAST SIDE OF THE 
PARISH FROM LAKES PONTCHARTRAIN AND MAUREPAS. THIS WAS COMPOUNDED BY
FLOODING ALONG THE AMITE RIVER. MAIN IMPACTS WERE IN THE AREAS OF 
SPRINGFIELD...MAUREPAS AND KILLIAN. NEARLY 100 ROADS CLOSED DUE TO 
FLOODING OR WIND DEBRIS. A FEW SEARCH AND RESCUE OPERATIONS WERE
NECESSARY. WIDESPREAD DAMAGE TO TREES AND POWER LINES.

ORLEANS              0                0                    UNKNOWN                                   
STORM SURGE FLOODING LIMITED TO AREAS OUTSIDE OF FEDERAL LEVEE 
PROTECTION. 400-500 HOMES FLOODED DUE TO STORM SURGE IN THE VENITIAN 
ISLES AREA IN FAR EAST PORTION OF PARISH. PERSISTENT TROPICAL STORM 
FORCE WINDS WITH A FEW GUST TO AROUND HURRICANE FORCE RESULTED IN 
WIDESPREAD DAMAGE TO TREES AND POWER LINES. A FEW RESCUES WERE 
NECESSARY DUE TO TREES FALLING ON HOMES.

PLAQUEMINES          2                0                  UNKNOWN
STORM SURGE WAS RESPONSIBLE FOR SIGNIFICANT IMPACTS ACROSS THE 
PARISH. NUMEROUS HOMES WERE INUNDATED IN THE MYRTLE GROVE AND 
BRAITHWAITE AREAS WHEN LOCAL LEVEES WERE OVERTOPPED. TWO 
FATALITIES...A MALE AND FEMALE BOTH IN THEIR MID 40S...ARE 
ATTRIBUTED TO THE STORM SURGE FLOODING IN BRAITHWAITE ON AUG 29. 
PROLONGED TROPICAL STORM FORCE WINDS AND GUSTS TO HURRICANE FORCE 
RESULTED IN POWER OUTAGES TO NEARLY 100 PERCENT OF HOMES AND 
FACILITIES IN THE PARISH.

ST. BERNARD          0                0                     UNKNOWN                                 
STORM SURGE FLOODING INUNDATED BETWEEN 80 AND 100 HOMES IN THE 
PARISH...ALL OUTSIDE OF FEDERAL HURRICANE PROTECTION LEVEES. LONG
DURATION OF TROPICAL STORM FORCE WINDS RESULTED IN WIDESPREAD DAMAGE
TO TREES AND POWER LINES. 

ST. CHARLES          0                0                     UNKNOWN
SIGNIFICANT STORM SURGE FLOODING OUTSIDE OF FEDERAL HURRICANE 
PROTECTION LEVEES. WIDESPREAD ROAD BLOCKAGES DUE TO FLOODING AND
DOWNED TREES. ABOUT 10 HOMES FLOODED IN THE MUNTZ AREA. WIDESPREAD
POWER OUTAGES DUE TO PROLONGED HIGH WINDS AND DOWNED POWER LINES.

ST. HELENA           0                0                       0 
SEVERAL ROAD CLOSURES DUE TO WIND AND FLASH FLOODING DEBRIS.

ST. JAMES            0                0                     UNKNOWN                                             
STORM SURGE FLOODING FROM LAKE MAUREPAS AND THE BLIND RIVER IMPACTED
ABOUT 25 HOMES WEST OF LUTCHER. STORM SURGE FLOODING MADE SEVERAL
ROADS IMPASSIBLE AND CROSSED HWY 1325 FOR THE FIRST TIME. WIDESPREAD
TREE AND POWER LINE DAMAGE DUE TO PROLONGED HIGH WINDS...WITH A FEW
ROADS BLOCKED BY WIND DEBRIS.

ST. JOHN THE BAPTIST 0                 0                    UNKNOWN
SIGNIFICANT STORM SURGE IMPACTS FROM LAKE PONTCHARTRAIN AND LAKE 
MAUREPAS INUNDATING A LARGE AREA OF LAPLACE...NECESSITATING SOME 
HIGH WATER RESCUES AND EVACUATION OF NEARLY 4000 RESIDENTS. I-10 WAS 
CLOSED NEAR LAPLACE DUE TO HIGH WATER COVERING THE ROAD. PROLONGED 
TROPICAL STORM FORCE WINDS RESULTED IN WIDESPREAD DAMAGE TO TREES 
AND POWER LINES.

ST. TAMMANY          1                0                     UNKNOWN                               
SIGNIFICANT STORM SURGE FLOODING IMPACTED AREAS ADJACENT TO LAKE
PONTCHARTRAIN...INCLUDING MANDEVILLE...MADISONVILLE...LACOMBE AND
SLIDELL. IN SLIDELL...A 75 YEAR OLD MALE DROWNED WHEN HE DROVE HIS 
VEHICLE INTO A STORM SURGE FLOODED DITCH IN SLIDELL ON AUG 30. OVER
300 HIGH WATER RESCUES WERE NECESSARY THROUGHOUT THE PARISH. I-10 
EXITS AT OAK HARBOR CLOSED DUE TO HIGH WATER. HEAVY RAINFALL LED TO 
MAJOR FLOODING ALONG THE PEARL RIVER...THREATENING APPROX. 5000 HOMES. 
APPROX 1200 PEOPLE WERE EVACUATED WHEN A LOCK/DAM ON THE PEARL RIVER 
THREATENED TO FAIL. PROLONGED TROPICAL STORM FORCE WINDS RESULTED IN 
WIDESPREAD DAMAGE TO TREES AND POWER LINES.

TANGIPAHOA           0                 0                    UNKNOWN
SIGNIFICANT STORM SURGE IMPACTS FOR PARTS OF THE PARISH SOUTH OF HWY
22 WITH UP TO 8 FT OF WATER REPORTED IN SOME PLACES. SEVERAL HOMES
FLOODED...NECESSITATING HIGH WATER RESCUES OF ABOUT 50 PEOPLE. 
NUMEROUS ROADS CLOSED DUE TO FLOODING OR WIND DEBRIS. HEAVY RAINFALL 
LED TO MAJOR FLOODING ALONG THE TANGIPAHOA RIVER AND NEARLY 25000 
PEOPLE EVACUATED IN RESPONSE TO A POSSIBLE DAM BREAK ON THE RIVER. AN 
ADDITIONAL 50 PEOPLE WERE RESCUED FROM HIGH WATER IN THE ROBERT AREA
AS THE TANGIPAHOA RIVER NEARED ITS CREST. I-55 WAS CLOSED SOUTH OF 
PONCHATOULA DUE TO HIGH WATER AT ALL EXITS. 

TERREBONNE           0                 0                    UNKNOWN
SEVERAL ROADS BLOCKED BY DOWNED TREES AND POWER LINES. WIDESPREAD
POWER OUTAGES.

WASHINGTON           0                 0                      0
SIGNIFICANT IMPACTS ALONG THE BOGUE FALAYA AND BOGUE CHITTO RIVERS 
DUE TO HEAVY RAINFALL DURING THE STORM. OVER 125 HOMES FLOODED. 
DAMAGE TO TREES AND POWER LINES RESULTED IN ROUGHLY 1000 POWER 
OUTAGES ACROSS THE PARISH.

WEST BATON ROUGE     0                 0                      0
MINOR IMPACTS DUE TO STRONG WINDS. A FEW ROADS BLOCKED BY DOWNED 
TREES AND POWER LINES.

WEST FELICIANA       0                 0                      0
MINOR IMPACTS DUE TO STRONG WINDS. A FEW ROADS BLOCKED BY DEBRIS.

AMITE                0                 0                      0

HANCOCK              0                 0                    UNKNOWN
SIGNIFICANT STORM SURGE FLOODING IN COASTAL AREAS...INCLUDING THE
SHORELINE PARK AND DIAMONDHEAD AREAS...WITH TIDE GAGES REPORTING 7 
TO 11 FT OF TOTAL WATER. A FEW HIGH WATER RESCUES. 

HARRISON             0                 0                    UNKNOWN
SIGNIFICANT STORM SURGE FLOODING IN COASTAL AREAS...WITH TIDE GAGES
READING 7 TO 9 FT OF TOTAL WATER. HEAVY RAINFALL LED TO RECORD LEVELS 
ON THE WOLF RIVER AT LANDON AND ABOVE GULFPORT. NUMEROUS ROADS CLOSED 
DUE TO HIGH WATER. ONE CONFIRMED TORNADO MOVED INLAND FROM THE GULF
ON AUG 29.

JACKSON              0                 0                    UNKNOWN          
SIGNIFICANT STORM SURGE FLOODING IN COASTAL AREAS. HEAVY RAINFALL 
RESULTED IN SIGNIFICANT FLOODING ALONG AREA RIVERS WITH SEVERAL HIGH
WATER RESCUES NECESSARY IN THE MOSS POINT AND PASCAGOULA. 800 OR 
MORE HOMES INUNDATED BY COMBINATION OF STORM SURGE...FLASH FLOODING 
AND RIVER FLOODING. TORNADOES OCCURRED SOUTHEAST OF OCEAN SPRINGS ON 
AUG 29 AND PASCAGOULA ON THE AUG 30.

PEARL RIVER         1                  0                      0
SIGNIFICANT IMPACTS FROM HEAVY RAINFALL. HOBOLOCHITTO RIVER CRESTED 
AT RECORD LEVELS.  NUMEROUS ROADS WERE CLOSED DUE TO HIGH WATER FROM 
FLASH FLOODING AND RIVER FLOODING.  PORTIONS OF INTERSTATE 59 WERE 
CLOSED DUE TO WATER COVERING THE ROAD. HIGH WINDS ALSO DOWNED 
NUMEROUS TREES AND POWER LINES. IN PICAYUNE...A TREE FELL ON A TOW 
TRUCK KILLING THE 62 YEAR OLD MALE DRIVER ON AUG 30.

PIKE                0                  0                      0 
HEAVY RAINFALL RAISED THE LEVEL OF LAKE TANGIPAHOA TO A POINT WHICH 
COMPROMISED THE DAM THAT RELEASES WATER INTO THE TANGIPAHOA RIVER. 
THOUGH THE DAM DID NOT FAIL...PRECAUTIONARY MANDATORY EVACUATIONS FOR
AREAS BELOW THE DAM WERE PUT INTO EFFECT. SEVERAL ROADS WERE FLOODED 
DUE TO HEAVY RAIN AS WELL. 

REMARKS: ONLY DIRECT FATALITIES ARE INCLUDED ABOVE. A FEW INDIRECT 
FATALITIES HAVE ALSO BEEN REPORTED IN THE DAYS AFTER THE STORM. ONE 
HEAT RELATED DEATH OCCURRED IN ORLEANS PARISH...AND AN ELECTROCUTION 
OCCURRED IN ST. TAMMANY PARISH.

$$

LEGEND:
I-INCOMPLETE DATA
E-ESTIMATED

REVITTE/MANNING/SALZWEDEL/RICKS/ONEIL

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.