Flash Flood Warning 9, NWS New Orleans, LA

000 
WGUS74 KLIX 300646
FFSNEW
MSC059-300730-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
145 AM CDT MON JUN 30 2003

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR JACKSON COUNTY UNTIL
   230 AM CDT...

AT 140 AM CDT...DOPPLER RADAR RAINFALL ESTIMATES INDICATED IN EXCESS
OF THREE INCHES OF RAINFALL MAY HAVE FALLEN IN AND AROUND VANCLEAVE
AND THE COMMUNITIES ALONG HIGHWAY 57. FLOODING IS LIKELY IN THIS
AREA. MANY CREEKS AND STREAMS WILL SWELL RAPIDLY DUE TO RUNOFF...
PARTICULARLY IN THE MOUNGER CREEK AND BLUFF CREEK AREAS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
ANY UNNECESSARY TRAVEL SHOULD BE AVOIDED. SEEK HIGHER GROUND NOW

$$

24

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
430 PM CDT SUN JUN 29 2003

OUT THE GATE AND RUNNING WITH TROPICAL STORM BILL MAKING A FORECAST
MOVE TO THE EAST. TS WARNING ARE POSTED FOR ENTIRE COASTAL AREA WITH
LANDFALL JUST EAST OF FORECAST AREA. BANDS OF THE SHOWERS AND A FEW
THUNDERSTORMS HAVE ALREADY PUSHED AS FAR NORTH AS MCCOMB. IR
SATELLITE CONTINUE TO SHOW THE BULK OF THE CONVECTION TO THE
NORTHEAST OF THE POORLY DEFINED CENTER. FASTER TRACK MEANS WE ARE
ANTICIPATING HEAVY RAINFALL TO OCCUR TONIGHT THROUGH MONDAY NIGHT.
AGAIN THE EAST HALF OF THE OUR FORECAST AREA IS RUNNING 6 TO 8
INCHES OF RAIN ABOVE NORMAL FOR THE MOUTH OF JUNE. WITH THE TS
TRACK...RAINFALL OVER THE NEXT FEW DAYS WILL CAUSE FLOODING ACROSS
THE FORECAST AREA. WILL CONTINUE THE FLOOD WATCH FOR ALL ZONES.

WITH A TS WARNING IN EFFECT...COASTAL FLOODING IS ADDRESSED UNDER
THE TS WARNING. AGAIN COASTAL FLOODING IS POSSIBLE MONDAY MORNING IN
HIGH TIDE AND THE PREDICTED STORM SURGE OF 3 TO 5 FEET.

GFS AND ETA ELONGATE AND LOSE THIS SYSTEM OVER LAND AND RESIDUAL
MOISTURE WILL LEAVE RAIN CHANCES MUCH ABOVE NORMAL TUESDAY AND
WEDNESDAY AND SLIGHTLY ABOVE NORMAL THURSDAY THROUGH THE WEEKEND. IN
ADDITION...A POSITIVELY TILTED TROUGH BECOME POSITIONED FROM THE MID
SOUTH TO SOUTH TEXAS JUST UNDERNEATH A HIGH OVER THE CENTRAL US.

HERE ARE THE NUMBERS...

MCB TT 073/084 074/086 074 18788
    TBBBB 089/073 092/073 092/073 093/073 093 64534242434
BTR TT 073/084 074/087 075 18788
    TBBBB 090/074 092/074 092/074 092/074 092 64534242434
MSY TT 075/082 075/086 076 18788
    TBBBB 089/075 092/075 092/075 091/075 091 64534242434
GPT TT 076/083 074/085 078 18788
    TBBBB 086/078 090/078 090/078 090/078 090 64534242434

.NEW...TROPICAL STORM WARNING PQL TO ATCHAFALAYA RIVER INLCUDING
       LAKES PONTCHARTRAIN AND MAUREPAS
LA...FLASH FLOOD WATCH FOR LAZ034>040-046>050-056>070.
MS...FLASH FLOOD WATCH FOR MSZ068>071-077-080>082.

18

LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-301130-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
935 PM CDT SUN JUN 29 2003

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

...A TROPICAL STORM WARNING IS IN EFFECT...
...A FLASH FLOOD WATCH IS IN EFFECT...

.DAY ONE...TONIGHT
...TROPICAL STORM BILL...
DEEP TROPICAL MOISTURE FROM TROPICAL STORM BILL IN THE GULF OF
MEXICO WILL HELP GENERATE THUNDERSTORMS CAPABLE OF PRODUCING WIND
GUSTS AROUND 30 TO 50 MPH...BRIEF TORRENTIAL RAINFALL WITH PEAK
RATES AROUND THREE INCHES PER HOUR. ACTIVITY IS EXPECTED TO CONTINUE
TO DEVELOP THROUGH THE NIGHT TIME HOURS.

MARINE INTEREST SHOULD CAREFULLY MONITOR TROPICAL STORM BILL AS IT
APPROACHES THE GULF COAST. SMALL CRAFT SHOULD REMAIN IN PORT.

REFER TO THE LATEST HURRICANE LOCAL ACTION STATEMENT FOR MORE
DETAILS REGARDING TROPICAL STORM BILL.

.DAYS TWO THROUGH SEVEN...
THERE IS A MODERATE RISK OF FLOODING RAINS FROM AN APPROACHING
TROPICAL STORM BILL FROM THE GULF STARTING MONDAY. THIS SITUATION
SHOULD BE MONITORED CLOSELY. EXCESSIVE RAINFALL OF 6 TO 8 INCHES IS
EXPECTED TO RAISE RIVER LEVELS ACROSS THE AREA AS WELL STARTING
MONDAY BRINGING MANY AREA RIVERS AT OR ABOVE FLOOD LEVELS THROUGH
MUCH OF THE WORK WEEK. THUNDERSTORMS WILL BE LIKELY THROUGH TUESDAY.

SCATTERED THUNDERSTORMS ARE STILL EXPECTED THE REMAINDER OF THE
WEEK. THE PRIMARY CONCERNS WILL BE NON-SEVERE WIND GUSTS AND HEAVY
RAINFALL.

.SPOTTER INFORMATION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS...IS
REQUESTED AT THIS TIME.

23

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS, LA
623 PM CDT SUN JUN 29 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0430 PM    SCHRIEVER                 LA   OTHER
06/29/03   TERREBONNE                     THREE FUNNEL CLOUDS SITED.
                                          REPORTED BY EMERGENCY
                                          MANAGEMENT.

0615 PM    PEARLINGTON               MS   .25 INCH HAIL
06/29/03   HANCOCK                        REPORTED BY PEARLINGTON
                                          FIRE DEPT VIA HANCOCK EMA.

RJR