Tropical Storm Matthew



POST-TROPICAL CYCLONE REPORT...TROPICAL STORM MATTHEW
NATIONAL WEATHER SERVICE NEW ORLEANS LA
400 PM CDT FRI OCT 15 2004

THIS REPORT COVERS THE PERIOD OCT 08-10 2004 WHEN TROPICAL STORM 
MATTHEW WAS APPROACHING AND LANDFALLING ON THE SOUTHEAST LOUISIANA 
COAST IN LOWER TERREBONNE PARISH ON OCT 10TH. THE DATA IN THIS 
REPORT ARE PRELIMINARY AND WILL BE UPDATED AS NEW INFORMATION 
BECOMES AVAILABLE. 

A.  HIGHEST WINDS...

ASOS....2 MINUTE SUSTAINED WINDS

LOCATION                     DIR/SPEED KT  DATE         TIME 
BOOTHEVILLE KBVE SUSTAINED   110/24 KT     10/10/2004  1115UTC       
                 PEAK        100/32 KT     10/10/2004  1122UTC

NEW ORLEANS ARMSTRONG INTERNATIONAL AIRPORT KMSY
                 SUSTAINED   100/28 KT     10/10/2004  1125UTC
                 PEAK        080/36 KT     10/10/2004  1137UTC

NEW ORLEANS LAKEFRONT AIRPORT KNEW
                 SUSTAINED   090/33 KT     10/10/2004  1306UTC
                 PEAK        100/41 KT     10/10/2004  1102UTC

SLIDELL AIRPORT KASD
                 SUSTAINED   090/22 KT     10/10/2004  1344UTC
                 PEAK        090/30 KT     10/10/2004  1344UTC

BATON ROUGE KBTR SUSTAINED   070/20 KT     10/10/2004  1317UTC
                 PEAK        070/26 KT     10/10/2004  0933UTC

GULFPORT    KGPT SUSTAINED   120/27 KT     10/10/2004  0046UTC
                 PEAK        120/31 KT     10/10/2004  1754UTC

MCCOMB      KMCB SUSTAINED   140/15 KT     10/10/2004  2230UTC
                 PEAK        050/22 KT     10/10/2004  1814UTC


COASTAL OBSERVATIONS...NOAA NDBC BUOY...CMAN
NOAA SW PASS CMAN...BURLI    WIND EQUIPMENT HEIGHT 30.5 M / 100 FT
                 SUSTAINED   125/42 KT     10/10/2004   0940UTC
                 PEAK        130/48 KT     10/10/2004   1010UTC
NOAA GRAND ISLE CMAN...GDIL1
                 SUSTAINED   105/29 KT     10/10/2004   0927UTC
                 PEAK        100/40 KT     10/10/2004   0927UTC   

OTHER COASTAL OBSERVATIONS...LOUISIANA

LUMCON AT TAMBOUR BAY TERREBONNE PARISH
                  PEAK       120/34 KT      10/10/2004  0200UTC
LSU CITRUS AG STATION PORT SULPHUR LA  PLAQUEMINES PARISH    
                  PEAK       110/25 KT      10/10/2004  1213UTC
LSU SUGARCANE AG STATION HOUMA  TERREBONNE PARISH
                  PEAK       155/25 KT      10/10/2004  1239UTC
LSU MANCHAC AG STATION TURTLE GROVE TANGIPAHOA PARISH
                  PEAK       110/38 KT      10/10/2004  1506UTC
  
B. LOWEST PRESSURE
                       PRES MB     DATE     TIME UTC 
BOOTHEVILLE BVE.........1003.3   10/10/2004   1133
GRAND ISLE NOAA CMAN....1002.8   10/10/2004   1100      
BURWOOD NOAA CMAN.......1004.0   10/10/2004   1200
LUMCON S TIMBALIER 52...1001.7   10/10/2004   1000
SLIDELL KASD............1003.7   10/10/2004   1938
BATON ROUGE KBTR........1001.7   10/10/2004   2049
GULFPORT KGPT...........1005.4   10/10/2004   2254
MCCOMB KMCB.............1002.0   10/10/2004   2154
NEW ORLEANS KMSY........1002.7   10/10/2004   1156
NEW ORLEANS KNEW........1003.7   10/10/2004   1205
TAMBOUR BAY .............999.7   10/10/2004   1000

C. STORM TOTAL RAINFALL

STORM TOTAL RAINFALL
ASOS OBSERVATIONS  STORM TOTAL 72 HOURS ENDING 1200UTC 10/11/2004

BOOTHEVILLE KBVE.........4.43 INCHES  
SLIDELL KASD.............5.16 INCHES
BATON ROUGE KBTR.........7.42 INCHES
NEW ORLEANS KMSY.........7.50 INCHES
NEW ORLEANS KNEW.........4.06 INCHES
GULFPORT KGPT............2.74 INCHES
MCCOMB KMCB..............2.36 INCHES

COOP OBSERVATIONS  STORM TOTAL 72 HOURS ENDING 1200UTC 10/11/2004

PLAQUEMINE PARISH LA
LSU AG STATION CITRUS
        2 NW PT SULPHUR...5.47 INCHES

LAFOURCHE PARISH LA 
GALLIANO.................14.28 INCHES
THIBODAUX.................9.43 INCHES

TERREBONNE PARISH LA
LSU AG STATION SUGARCANE
        3NW HOUMA........13.02 INCHES
HOUMA.....................8.86 INCHES

ST CHARLES PARISH LA
PARADIS...................8.68 INCHES

ST JOHN THE BAPTIST PARISH LA
RESERVE..................16.23 INCHES


D. STORM SURGE

NOAA PORT FOURCHON      3.21 FT  MLLW    10/10/2004  1306UTC       
NOAA GRAND ISLE         3.61 FT  MLLW    10/10/2004  1112UTC  
LUMCON TAMBOR BAY       3.07 FT  MLLW    10/10/2004  1000UTC
CAILLOU BAY SW OF 
         COCODRIE       3.70 FT  NGVD    10/10/2004  1000UTC
NWS MANDEVILLE          5.30 FT  NGVD    10/10/2004  1700UTC
NWS FRENIER             5.85 FT  NGVD    10/10/2004  1700UTC


E. BEACH EROSION
NO SIGNIFICANT EROSION.  

F. FLOODING OR FLASH FLOODING

STORM SURGE FLOODING...
ABNORMALLY HIGH TIDES PRECEDED LANDFALL AS EARLY AS 10/08/2004. 
COASTAL FLOODING WAS NOTED AROUND THE SHORES OF LAKE PONTCHARTRAIN 
AND MAUREPAS AND IN MOST COASTAL AREAS OUTSIDE OF THE HURRICANE 
PROTECTION LEVEES. MANY ROADS WERE CLOSED DUE TO STORM TIDE FLOODING 
IN THE LOWER TERREBONNE...LAFOURCHE...ST BERNARD...EXTREME EASTERN 
ORLEANS PARISH...AND SEVERAL ROADS NEAR LAKE PONTCHARTRAIN IN ST 
TAMMANY IN SLIDELL AND MANDEVILLE AND ST JOHN THE BAPTIST NEAR 
LAPLACE.  

FRESHWATER FLOODING...
SOME FRESHWATER FLOODING WAS NOTED IN PORTIONS OF LAFOURCHE AND 
TERREBONNE PARISHES FROM HEAVY RAIN.

RIVER FLOODING...
MORGAN CITY   ST MARY PARISH LA (LIX HSA) 
   FLOOD STAGE 4.0 FEET   CREST 4.06 FEET 10/09/2004 1118UTC.
FRENCH SETTLEMENT   LIVINGSTON PARISH LA
   FLOOD STAGE 4.0 FEET   CREST 5.01 FEET 10/11/2004 0700UTC. 
KILLIAN   LIVINGSTON PARISH LA
   FLOOD STAGE 4.0 FEET   CREST 5.70 FEET 10/11/2004 1938UTC.

G. TORNADOES
A BRIEF TORNADO TOUCHDOWN WAS SIGHTED BY LAW ENFORCEMENT ON 
10/10/2004 0949 UTC NEAR GOLDEN MEADOW. ONE TRAILER HAD HALF THE 
ROOF TORN OFF. 

H. STORM EFFECTS
IN TERREBONNE PARISH...ESTIMATED 20 HOMES FLOODED DUE TO COMBINATION 
OF HEAVY RAINS AND STORM SURGE WITHIN THE AREAS OF CHAUVIN 
...DULAC...MONTEGUT AND POINTE AUX CHENE. 
IN LAFOUCHE PARISH...SEVERAL HOMES WERE FLOODED OUTSIDE THE FLOOD 
GATES. TWO HOMES HAD BETWEEN 2 TO 2.5 FEET OF SURGE FLOODING. WITHIN 
THE FLOOD GATES SEVERAL HOMES IN THE GOLDEN MEADOW...GALLIANO AND 
CUTOFF AREA HAD ABOUT 6 INCHES OF FRESHWATER FLOODING DUE TO HEAVY 
RAINS. 

NO KNOWN DEATHS OR INJURIES


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