Flash Flood Warning 8, NWS New Orleans, LA

000 
WGUS74 KLIX 101848
FFSNEW
LAC103-101950-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
150 PM CDT MON MAY 10 2004

...A FLASH FLOOD WARNING CONTINUES FOR ST TAMMANY PARISH UNTIL 400 
PM CDT...

AT 115 PM LAW ENFORCEMENT OFFICIALS REPORTED 2 HOMES FLOODED IN 
SLIDELL ON SUN VALLEY STREET WITH THIS STORM. SLIDELL POLICE ALSO 
REPORTED 2 CARS STRANDED BY FLOOD WATERS ON WEST HALL ROAD NEAR 
CHAMALE COVE.

AT 145 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS ALONG A LINE EXTENDING FROM 16 MILES NORTH OF 
PEARL RIVER TO EDEN ISLE...STATIONARY. ADDITIONAL RAINFALL TOTALS OF 
3 TO 5 INCHES ARE POSSIBLE WITHIN ONE HOUR.

LOCATIONS STILL IN THE PATH OF THESE STORMS INCLUDE SLIDELL...PEARL 
RIVER...EDEN ISLE.

&

$$

000 
WGUS74 KLIX 101928
FFSNEW
LAC103-102030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
225 PM CDT MON MAY 10 2004

...A FLASH FLOOD WARNING CONTINUES FOR ST TAMMANY PARISH UNTIL 400 
PM CDT...

AT 215 PM LAW ENFORCEMENT OFFICIALS REPORTED EXTENSIVE STREET 
FLOODING FROM I-12 SOUTH TO THE LAKE FROM NORTH SHORE MALL IN 
SLIDELL TO LACOMBE. SOME RURAL AND SECONDARY ROADS MAY BE UNDER 
WATER.

AT 225 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES NORTH OF 
PEARL RIVER TO 3 MILES WEST OF EDEN ISLE...STATIONARY. ADDITIONAL 
RAINFALL TOTALS OF 3 TO 5 INCHES ARE POSSIBLE WITHIN ONE HOUR.

LOCATIONS STILL IN THE PATH OF THESE STORMS INCLUDE SLIDELL...PEARL 
RIVER...EDEN ISLE...LACOMBE.

&

$$

000 
WGUS74 KLIX 102005
FFSNEW
LAC103-102100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
305 PM CDT MON MAY 10 2004

...A FLASH FLOOD WARNING CONTINUES FOR EASTERN ST TAMMANY PARISH 
UNTIL 400 PM CDT.

AT 305 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES NORTH OF 
PEARL RIVER TO 4 MILES NORTHWEST OF EDEN ISLE...STATIONARY. STORMS 
HAVE WEAKENED OVER THE PAST HOUR...BUT RE-INTENSIFICATION WITH 
ADDITIONAL RAINFALL TOTALS OF 1 TO 3 INCHES IS POSSIBLE.

LOCATIONS STILL IN THE PATH OF THESE STORMS INCLUDE SLIDELL...PEARL 
RIVER...EDEN ISLE...LACOMBE.

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
300 AM CDT MON MAY 10 2004

.DISCUSSION...
TODAY WILL BE A NORMAL HIT AND MISS SH/TS DAY. WITHOUT DYNAMIC
SUPPORT A MORE TYPICAL SUMMER DISTRIBUTION OF TS SHOLD OCCUR. BEING
ON THE PERIPHERY OF THE ATLANTIC HIGH WILL GIVE AN OPEN DOOR TO GULF
MOISTURE AND SINCE THE HIGH IS FAR ENOUGH AWAY...SUBSIDENCE
SHOULDNT CREATE A STRONG CAP WHICH USUALLY KEEPS MOST TCU FROM
FORMING INTO TS. SH/TS SHOULD DIE AS THE SUN SETS. TOMORROW WILL BE
DIFFERENT. WE WILL STILL HAVE THE SAME MOIST ATMOSPHERE WITH NORMAL
DESTABILIZATION DUE TO HEATING BUT SOME DYNAMIC SUPPORT WILL ALSO
COME INTO PLAY. WEAK DISTURBANCES ALOFT WILL MOVE ACROSS THE AREA IN
THE SUPPORTING SW FLOW. THE UPPER HIGH TO THE SOUTH AND THE UPPER
TROUGH OUT WEST WILL CAUSE THE 300MB FLOW TO SPLIT MAINLY ACROSS THE
COASTAL BEND OF TX AND LA. THIS WILL ALSO ENHANCE THE CHANCES OF
SH/TS OVER THE AREA. THIS TYPE OF SCENARIO STAYS WITH US THROUGH
FRIDAY BEFORE TAPPERING OFF. FOR THESE REASONS...WE WILL BE
INCREASING POPS FOR TODAY THROUGH FRIDAY AND BRINGING THEM TO LIKELY
TOMORROW.

WITH TYPICAL AIRMASS TS TODAY...DO NOT EXPECT ANY SEVERITY BESIDES
DOWNBURSTING STRONG WINDS. AS SOME DYNAMIC SUPPORT BEGINS TO AID IN
DEVELOPMENT AND LIFE OF TS...A FEW MAY BECOME STRONG TO SEVERE. WILL
HIGHLITE IN HWO AS WELL. THE MAJOR PROBLEM WILL BE WITH HEAVY RAIN
PRODUCING TS AS STEERING WINDS BECOME WEAK AND STORM MOTION BECOMES
SLOW(TOWARD NE 10MPH). PWS MOVE INTO THE 1.70+ AREA BY TUESDAY
WHICH INDICATES A VERY MOIST ATMOSPHERE SUPPORTING HEAVY RAIN. WITH
THE SLOW STORM MOTION AND HEAVY RAIN EXPECTED...SOME SMALL SCALE
FLOODING IS A POSSIBILITY. WILL NOT MENTION ANY FLOODING PROBLEMS AT
THIS TIME BUT LATER SHIFTS MAY LOOK INTO THIS FURTHER.

&&

.PRELIMINARY POINT TEMP/POPS...
MCB 85 64 81 65 / 30 10 50 20
BTR 85 65 80 66 / 30 10 60 30
MSY 85 68 80 69 / 40 20 60 30
GPT 81 69 80 69 / 30 20 60 40
&&

.LIX WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
MS...NONE.
SE LA AND MS COASTAL WATERS...NONE.
&&

17

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1100 AM CDT MON MAY 10 2004

LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-111200-
AMITE-ASCENSION-ASSUMPTION-EAST BATON ROUGE-EAST FELICIANA-HANCOCK-
HARRISON-IBERVILLE-JACKSON-LIVINGSTON-LOWER JEFFERSON-
LOWER LAFOURCHE-LOWER PLAQUEMINES-LOWER ST BERNARD-LOWER TERREBONNE-
ORLEANS-PEARL RIVER-PIKE-POINTE COUPEE-ST CHARLES-ST HELENA-ST JAMES-
ST JOHN THE BAPTIST-ST TAMMANY-TANGIPAHOA-UPPER JEFFERSON-
UPPER LAFOURCHE-UPPER PLAQUEMINES-UPPER ST BERNARD-UPPER TERREBONNE-
WALTHALL-WASHINGTON-WEST BATON ROUGE-WEST FELICIANA-WILKINSON-
1100AM CDT MON MAY 10 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL AND SOUTHEAST
LOUISIANA AND EXTREME SOUTHWEST...SOUTH CENTRAL AND COASTAL
MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT
A DEEP MOIST ATMOSPHERE COUPLED WITH DAYTIME HEATING WILL MAKE
WATERSPOUTS POSSIBLE WITH THE STRONGER THUNDERSTORMS THROUGH THIS
EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THUNDERSTORMS ARE EXPECTED TUESDAY THROUGH SATURDAY. A FEW
THUNDERSTORMS MAY BECOME STRONG AND AN ISOLATED SEVERE THUNDERSTORM
IS POSSIBLE EACH DAY.

.SPOTTER INFORMATION STATEMENT...

THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS...IS
NOT REQUESTED.