Tropical Storm Isidore


POST TROPICAL CYCLONE REPORT...TROPICAL STORM ISIDORE  
NATIONAL WEATHER SERVICE NEW ORLEANS LA
530 PM CDT MON SEP 30 2002

A. HIGHEST WINDS...

ASOS EQUIPMENT UNLESS OTHERWISE NOTED...SUSTAINED 2 MINUTE WIND

PASCAGOULA...PQL
SUSTAINED WIND 150 DEGREES 28 KT AT 1228 UTC SEP 26 2002
PEAK GUST      150 DEGREES 35 KT AT 1310 UTC SEP 26 2002

GULFPORT MS...GPT
SUSTAINED WIND 120 DEGREES 32 KT AT 0726 UTC SEP 26 2002
PEAK GUST      120 DEGREES 43 KT AT 0725 UTC SEP 26 2002

SLIDELL LA...ASD
SUSTAINED WIND 040 DEGREES 23 KT AT 0346 UTC SEP 26 2002
PEAK GUST      040 DEGREES 32 KT AT 0405 UTC SEP 26 2002

NEW ORLEANS LAKEFRONT AIRPORT...NEW
SUSTAINED WIND 040 DEGREES 35 KT AT 0525 UTC SEP 26 2002
PEAK GUST      030 DEGREES 42 KT AT 0525 UTC SEP 26 2002

NEW ORLEANS INTERNATIONAL AIRPORT...MSY
SUSTAINED WIND 010 DEGREES 40 KT AT 0757 UTC SEP 26 2002 
PEAK GUST      010 DEGREES 47 KT AT 0757 UTC SEP 26 2002

BOOTHEVILLE LA...BVE
SUSTAINED WIND 100 DEGREES 27 KT AT 0441 UTC SEP 26 2002 
PEAK GUST      100 DEGREES 37 KT AT 0440 UTC SEP 26 2002 
  NOTE...BVE SUSTAINED WIND SPEED ESTIMATED

KEESLER AIR FORCE BASE...BIX
SUSTAINED WIND 100 DEGREES 27 KT AT 0707 UTC SEP 26 2002
PEAK GUST      100 DEGREES 41 KT AT 0707 UTC SEP 26 2002

BELLE CHASE NAVAL AIR STATIN...NBG 
MAX SUSTAINED  050 DEGREES 50 KT AT 0155 UTC SEP 26 2002
PEAK GUST      050 DEGREES 60 KT AT 0155 UTC SEP 26 2002
 

LAKE PONTCHARTRAIN...AUTOMATED NWS GAGES
  SUSTAINED WIND OCCURRED AT TIME OF OBSERVATION NOTED
  PEAK GUST OCCURRED IN PAST HOUR ENDING AT TIME NOTED
  PEAK GUST NO DIRECTION 

EAST LAKE PONTCHARTRAIN...RIGOLETS...EALL1
SUSTAINED WIND  071  DEGREES 31 KT AT 0420 UTC SEP 26 2002 
PEAK  WIND                   36 KT AT 0510 UTC SEP 26 2002

LAKE PONTCHARTRAIN CAUSEWAY...MANDEVILLE...MDVL1
SUSTAINED WIND  274 DEGREES 25 KT AT 1520 UTC SEP 26 2002
PEAK WIND                   28 KT AT 1740 UTC SEP 26 2002
   PEAK GUST TIME...LAST OF SEVERAL OCCURRENCES

MID LAKE PONTCHARTRAIN CAUSEWAY...MDLL1
SUSTAINED WIND 291 DEGREES 28 KT AT 1340 UTC SEP 26 2002
PEAK WIND                  33 KT AT 1420 UTC SEP 26 2002
   SUSTAINED AND PEAK GUST...LAST OF SEVERAL OCCURRENCES
 

NOAA NATIONAL DATA BUOY CENTER BUOY AND CMAN DATA

BUOY 42007
SUSTAINED WIND 090 DEGREES 46 KT AT 0310 UTC SEP 26 2002
PEAK WIND      090 DEGREES 58 KT AT 0246 UTC SEP 14 2002 

BUOY 42040
SUSTAINED WIND 099 DEGREES 39 KT AT 0030 UTC SEP 26 2002
PEAK WIND      100 DEGREES 51 KT AT 0024 UTC SEP 26 2002 

SW PASS LA CMAN SITE...BURL1...WIND EQUIP HEIGHT 30.5 M
SUSTAINED WIND 115 DEGREES 46 KT AT 2300 UTC SEP 25 2002
PEAK WIND      110 DEGREES 57 KT AT 2222 UTC SEP 26 2002
PEAK WIND      090 DEGREES 59 KT AT 1957 UTC SEP 26 2002

GRAND ISLE LA CMAN SITE...GDIL1
SUSTAINED WIND 069 DEGREES 37 KT AT 0440 UTC SEP 26 2002
PEAK WIND      070 DEGREES 62 KT AT 0440 UTC SEP 26 2002


B. LOWEST PRESSURE DATA

PASCAGOULA MS TRENT LOTT AIRPORT...PQL
989.8 MB AT 1316 UTC SEP 26 2002

GULFPORT MS...GPT
987.1 MB AT 1359 UTC SEP 26 2002

SLIDELL LA...ASD
985.1 MB AT 1226 UTC SEP 26 2002

NEW ORLEANS LAKEFRONT AIRPORT...NEW
985.1 MB AT 1207 UTC SEP 26 2002

NEW ORLEANS INTERNATIONAL AIRPORT...MSY
985.8 MB AT 1147 UTC SEP 26 2002

BOOTHEVILLE LA...BVE
985.8 MB AT 0953 UTC SEP 26 2002

KEESLER AIR FORCE BASE...BIX
987.1 MB AT 1200 UTC SEP 26 2002

BELLE CHASE NAVAL AIR STATION...NBG
985.1 MB AT 1053Z UTC SEP 26 2002

C. RAINFALL...
   MAXIMUM 1...6...12...24 HOUR. TIME PERIOD ENDING NOTED.

PASCAGOULA MS TRENT LOTT AIRPORT...PQL
1  HOUR...0.77 INCHES  0359 UTC SEP 26 2002
6  HOUR...2.60 INCHES  0600 UTC SEP 26 2002
12 HOUR...2.66 INCHES  0600 UTC SEP 26 2002
24 HOUR...4.84 INCHES  0600 UTC SEP 26 2002

GULFPORT MS...GPT
1  HOUR...1.04 INCHES  0700 UTC SEP 26 2002   
6  HOUR...2.54 INCHES  0600 UTC SEP 26 2002
12 HOUR...2.79 INCHES  1200 UTC SEP 26 2002
24 HOUR...5.45 INCHES  0600 UTC SEP 26 2002 

SLIDELL LA...ASD
1  HOUR 0.92 INCHES  0800 UTC SEP 26 2002
6  HOUR 1.94 INCHES  0600 UTC SEP 26 2002
12 HOUR 2.70 INCHES  0600 UTC SEP 26 2002
24 HOUR 4.36 INCHES  0600 UTC SEP 26 2002

NEW ORLEANS LAKEFRONT AIRPORT...NEW
PRECIP GAGE FLOODED BY STORM SURGE FROM LAKE PONTCHARTRAIN


NEW ORLEANS INTERNATIONAL AIRPORT...MSY
1  HOUR   1.06 INCHES  2100 UTC SEP 25 2002
6  HOUR   3.12 INCHES  0000 UTC SEP 26 2002
12 HOUR   6.08 INCHES  0000 UTC SEP 26 2002
24 HOUR   7.52 INCHES  0000 UTC SEP 26 2002

BOOTHEVILLE LA...BVE
1  HOUR  0.95 INCHES  2300 UTC SEP 24 2002
6  HOUR  2.32 INCHES  0000 UTC SEP 26 2002
12 HOUR  4.20 INCHES  0000 UTC SEP 26 2002
24 HOUR  5.25 INCHES  0000 UTC SEP 26 2002


D. STORM SURGE

MISSISSIPPI COAST
GULFPORT HARBOR...GPTM6..8.26 FT 0745 UTC SEP 26 2002
POINT CADET MS ...PCDM6  7.48 FT 0815 UTC SEP 26 2002

LAKE BORGNE ST BERNARD PARISH 
BAYOU BIENVENUE 7.89 FT 0930 UTC SEP 26 2002 ORLEANS LEVEE DISTRICT
BAYOU BIENVENUE 7.89 FT 1130 UTC SEP 26 2002 ORLEANS LEVEE DISTRICT
BAYOU DUPRE     7.30 FT 0730 THRU 1330 UTC SEP 26 2002 
                                          ORLEANS LEVEE DISTRICT
LAKE PONTCHATRAIN
INDUSTRIAL CANAL 7.18 FT 1130 UTC SEP 26 2002 ORLEANS LEVEE DISTRICT 
RIGOLETES        8.30 FT 1130 UTC SEP 26 2002 ORLEANS LEVEE DISTRICT
MID LAKE PONTCHARTRAIN CAUSEWAY -  
                 5.97 FT 1420 UTC SEP 26 2002  NWS TIDE GAGE

MANDEVILLE       6.19 FT 1330 UTC SEP 26 2002  NWS TIDE GAGE        
FRENIER          6.33 FT 0800 UTC SEP 26 2002  


GRAND ISLE       4.66 FT 0448 UTC SEP 26 2002  NOAA NOS GAGE
BAYOU LAFOURCHE - FLOOD GATE AT GOLDEN MEADOW   5.9 FT TIME UNKNOWN

STORM SURGE GENARLLY 4 TO 6 FEET ABOVE NORMAL...LOCALLY HIGHER... 
CAUSED WIDESPREAD STORM SURGE FLOODING IN AREAS OUTSIDE HURRICANE 
PROTECTION LEVEES IN SOUTHEAST LOUISIANA PARISHES BORDERING GULF OF 
MEXICO AND LAKE PONTCHARTRAIN. NUMEROUS STRUCTURES AND HOUSES 
FLOODED.

STORM SURGE FLOODING ALONG MISSISSIPPI COAST COMBINED WITH HEAVY 
RAINFALL FLOODED NUMEROUS HOUSES AND STRUCTURES IN LOW LYING AREAS.

E. BEACH EROSION...SIGNIFICANT AT GRAND ISLE AND PORTIONS OF 
MISSISSIPPI COAST

F. FLOODING...  
SIGNIFICANT URBAN AND FLASH FLOODING FROM HEAVY RAINFALL IN METRO 
NEW ORLEANS AREA INCLUDING ORLEANS..ST. BERNARD..JEFFERSON PARISHES  
2000 UTC SEPT 25 THRU 0600 UTC SEPT 26 2002. NUMEROUS STREETS 
FLOODED AND AUTOMOBILES FLOODED WHEN HEAVY RAINFALL OVERWHELMED 
DRAINAGE PUMPING CAPACITY

SIGNIFICANT RIVER FLOODING IN DRAINAGE AREA NORTH OF LAKE 
PONTCHARTRAIN AND MISSISSIPPI COAST. SIGNIFICANT RIVER FLOOD CRESTS 
INCLUDE

BOGUE FALAYA RIVER AT CAMP COVINGTON LA
RECORD CREST 54.6 FT  0300 UTC 9/27/02   FLOOD STAGE 45 FT    
  
BIG CREEK NEAR AMITE LA
RECORD CREST 17.4 FT  0800 UTC 9/27/02   FLOOD STAGE 30 FT
 
HOBOLOCHITTO CREEK NEAR CARRIER MS
CREST 19.3 FT 0800 UTC 9/27/02   SECOND HIGHEST CREST

G. TORNADOES...
ONE CONFIRMED TORNADO - ESTIMATED F1
0636 UTC SEP 26 2002 - GOLDEN MEADOW, LAFOURCHE PARISH MINOR 
PROPERTY DAMAGE TO OUTBUILDINGS. NO INURIES. NO FATALITIES 

SEVERAL REPORTS OF TORNADOES IN TERREBONNE PARISH. UNCONFIRMED AT 
THIS TIME. 

H. STORM EFFECT

SIGNIFICANT STORM SURGE FLOODING...AND RAINFALL INDUCED FLOODING 
AFFECT NEARLY ALL OF SOUTHEAST LOUISIANA SOUTH AND EAST OF BATON 
ROUGE...AND ACROSS COASTAL MISSISSIPPI. 

WIND DAMAGE WAS RELATIVELY MINIMAL AND GENERALLY CONFINED TO COASTAL 
AREAS. 

INFORMATION CONTAINED IN THIS REPORT IS PRELIMINARY. SOME DATA MAY 
BE UPDATED...OR DELETED. ADDITIONAL DATA MAY BE INCLUDED BEFORE THE 
FINAL REPORT ON TROPICAL STORM ISIDORE IS ISSUED.


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