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000
ACUS74 KLIX 152119
PSHNEW
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
$$