Alert archive / Florida / Flash Flood Warnings in 2003
Flash Flood Warning 10, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this flash flood warning at Aug 9, 2003, 12:48 PM EDT for Manatee County, Florida. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 9, 2003, 12:48 PM EDT (16:48 UTC)
- Expired
- Aug 9, 2003, 3:00 PM EDT
- In force
- 2 hr
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Manatee County, FL
The radar
The Tampa radar (KTBW), 26 km from the middle of the area, began a volume at 16:48 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 4.8 hours before the alert went out and 26 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1194 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 831 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KTBW 091648 FFWTBW FLC081-091845- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1248 PM EDT SAT AUG 9 2003 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHWESTERN MANATEE COUNTY IN FLORIDA. FLOODING WILL AFFECT THE FOLLOWING LOCATIONS. PALMETTO. BRADENTON. PARRISH. CORTEZ. ANNA MARIA ISLAND HOLMES BEACH * UNTIL 300 PM EDT * AT 1248 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED RAINFALL RATES OF THREE INCHES PER HOUR WITH A LARGE AREA OF SHOWERS AND THUNDERSTORMS COVERING ALL OF MANATEE COUNTY. WEATHER SPOTTERS IN THE BRADENTON HAVE ALREADY REPORTED OVER THREE INCHES OF RAIN WITHIN THE LAST HOUR WITH THESE STORMS. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXECTED TO TRAIN ACROSS THE WARNING AREA THROUGH MID AFTERNOON...WITH AN ADDITIONAL 1 TO 3 INCHES OF RAIN WITH LOCALLY HIGHER AMOUNTS POSSIBLE. THE EXCESSIVE RUNOFF WILL CAUSE FLOODING OF LOW LYING AREAS AND INTERSECTIONS. POOR DRAINAGE AREAS ARE MOST AT RISK. DO NOT DRIVE THROUGH FLOODED ROADS THIS IS A LIFE THREATENING FLOOD MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT CROSS FLOODED ROADWAYS OR STREAMS. IF NEARING A FLOOD AREA...TURN AROUND AND DRIVE TO HIGHER TERRAIN. DONT BECOME A STATISTIC. TURN AROUND...DONT DROWN && $$ LAT...LON 2763 8240 2746 8248 2740 8266 2754 8275 57
1 follow-up statement
000 WGUS72 KTBW 091743 FFSTBW FLC081-091900- FLOOD STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 143 PM EDT SAT AUG 9 2003 ...A FLASH FLOOD WARNING CONTINUES FOR NORTHWESTERN MANATEE COUNTY... INCLUDING PALMETTO...BRADENTON... ...UNTIL 300 PM EDT. AT 130 PM EDT...WEATHER SPOTTERS IN THE BRADENTON AREA REPORTED RAINFALL AMOUNTS OF 3 TO 4 INCHES IN THE LAST TWO HOURS. THESE HEAVY RAINS HAVE CAUSED MODERATE FLOODING OF ROADWAYS AND INTERSECTIONS WITH RYE AND WATERLINE ROADS NOW BEING CLOSED DUE TO HIGH WATERS. AT 143 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO INDICATE RAINFALL RATES OF THREE INCHES PER HOUR WITH A LARGE AREA OF SHOWERS AND THUNDERSTORMS COVERING ALL OF MANATEE COUNTY. DOPPLER RADAR INDICATES THAT ADDITIONAL SHOWERS AND THUNDERSTORMS EXTEND OUT OVER THE ADJACENT GULF WATERS FOR MORE THAN 50 MILES. THESE SHOWERS AND STORMS WILL CONTINUE TRAIN ACROSS THE WARNING AREA THROUGH MID AFTERNOON WITH AN ADDITIONAL 1 TO 3 INCHES OF RAIN LIKLY...WITH LOCALIZED HIGHER AMOUNTS POSSIBLE. THE EXCESSIVE RUNOFF FROM THESE HEAVY RAINS WILL CAUSE MODERATE FLOODING OF LOW LYING AREAS...INTERSECTIONS AND ROADWAYS. POOR DRAINAGE AREAS ARE MOST AT RISK. DO NOT DRIVE THROUGH FLOODED ROADS MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT CROSS FLOODED ROADWAYS OR STREAMS. IF NEARING A FLOOD AREA...TURN AROUND AND DRIVE TO HIGHER TERRAIN. DONT BECOME A STATISTIC. TURN AROUND...DONT DROWN && $$ LAT...LON 2764 8234 2741 8232 2742 8275 2758 8276 57
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tampa Bay, FL wrote its last area forecast discussion before this flash flood warning went out at Aug 9, 8:30 AM EDT, 4 hours 18 minutes earlier.
Area forecast discussion, Aug 9, 8:30 AM EDT, 4 hours 18 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
830 AM EDT SAT AUG 9 2003
NUMEROUS SHOWERS OVER THE GULF MOVING NORTHEAST INTO COASTAL
COUNTIES. MOST AREAS WILL SEE MEASURABLE RAIN TODAY...AND MANY AREAS
COULD SEE LOCALLY HEAVY RAINFALL...ESPECIALLY WHERE TRAINING OF
SHOWERS SETS UP. HIGH TEMPERATURES COULD BE LOWER THAN CURRENTLY
FORECAST...ESPECIALLY NORTHERN ZONES...WHERE EXTENSIVE MID AND HIGH
CLOUDS SHOULD LIMIT HEATING ALL DAY. WILL PROBABLY LEAVE AS IS...
SINCE JUST AN HOUR OF SUN WOULD BRING TEMPS TO AT LEAST MID 80S.
CURRENT ZONE PACKAGE INDICATES POTENTIAL FOR HEAVY RAINFALL SO NO
UPDATES NEEDED AT THIS TIME.
--MARINE--
WINDS STILL IN 10 TO 15 KT RANGE AND SEAS 2 TO 4 FT. SHOWERS QUITE
NUMEROUS TAMPA BAY NORTHWARD...AND MAY KEEP NUMEROUS SHOWERS RATHER
THAN DROP TO SCATTERED IN THE AFTERNOON. GOING TO ADD WINDS AND
SEAS HIGHER NEAR SHOWERS AND STORMS AS 88D SHOWING LOCALLY 20 TO 30
KTS IN SMALL AREAS.
.TBW...FLOOD WATCH THROUGH SUNDAY FOR LEVY...CITRUS...SUMTER...
HERNANDO...PASCO...HILLSBOROUGH...PINELLAS...MANATEE...
POLK...SARASOTA...HARDEE...DESOTO...HIGHLANDS...LEE AND
CHARLOTTE COUNTIES.
JILLSONHazardous weather outlook, Aug 9, 5:15 AM EDT, 7 hours 33 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-091400- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL FL 515 AM EDT SAT AUG 9 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT: ...A FLOOD WATCH CONTINUES TODAY FOR ALL OF WEST CENTRAL AND SOUTHWEST FLORIDA... THE CONTINUED COMBINATION OF UPPER LEVEL ENERGY AND DEEP TROPICAL MOISTURE IS EXPECTED TO PRODUCE NUMEROUS SHOWERS AND THUNDERSTORMS AGAIN TODAY. MANY AREAS ALONG THE WEST COAST OF FLORIDA RECEIVED 2 TO 3 INCHES OF RAINFALL ON FRIDAY...WITH LOCALLY HIGHER AMOUNTS OF 4 TO 6 INCHES. AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL WILL BE POSSIBLE AGAIN TODAY...WITH LOCALLY HEAVIER AMOUNTS OF 3 TO 4 INCHES. THIS WILL CONTINUE TO AGGRAVATE ANY ONGOING FLOODING ALONG AREA RIVERS... STREAMS AND LOW LYING AREAS NORTH OF THE TAMPA BAY REGION...AND COULD CAUSE ADDITIONAL RIVERS AND STREAMS TO APPROACH OR GO ABOVE BANK-FULL. SCATTERED SHOWERS AND THUNDERSTORMS OVER THE EASTERN GULF WATERS AND THE COASTAL COUNTIES THIS MORNING...WILL BECOME MORE NUMEROUS BY THIS AFTERNOON. INDIVIDUAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE TOWARD THE EAST AND NORTHEAST AT 10 TO 15 MPH. ALTHOUGH THE MAIN THREAT TODAY WILL BE LOCALLY HEAVY RAINFALL... REMEMBER ALL THUNDERSTORMS CAN PRODUCE DEADLY CLOUD TO GROUND LIGHTNING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY: ...THE THREAT FOR LOCALLY HEAVY RAINFALL WILL CONTINUE FOR SUNDAY... CONDITIONS WILL REMAIN FAVORABLE FOR LOCALLY HEAVY RAINFALL ACROSS MAINLY THE CENTRAL AND SOUTHERN PORTIONS OF THE REGION FOR SUNDAY. BY MONDAY...HIGH PRESSURE IS EXPECTED TO BEGIN BUILDING BACK ACROSS THE SOUTHERN AREA...THEN FARTHER NORTH ACROSS THE CENTRAL AREA BY LATER TUESDAY AND WEDNESDAY. RAINFALL IS EXPECTED TO RETURN TO THE MORE TYPICAL AFTERNOON AND EVENING TIMING TUESDAY THROUGH FRIDAY. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY AND SUNDAY... PRIMARILY FOR RAINFALL AND LOCAL OVERLAND OR RIVER FLOOD REPORTS. RFM
In the hours before
Special weather statement, Aug 9, 9:35 AM EDT, 3 hours 13 minutes before
FLZ050-091415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 935 AM EDT SAT AUG 9 2003 A BROKEN BAND OF STRONG THUNDERSTORMS WILL AFFECT TARPON SPRINGS...PALM HARBOR...DUNEDIN AND INDIAN ROCKS BEACH...UNTIL 1015 AM EDT. OCCASIONAL CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. AT 930 AM EDT...PINELLAS COUNTY EMERGENCY MANAGEMENT REPORTED A FUNNEL CLOUD OVER TARPON SPRINGS. OTHER FUNNEL CLOUDS WILL BE POSSIBLE AS ADDITIONAL SHOWERS AND THUNDERSTORMS MOVE ONSHORE FROM THE GULF THE REMAINDER OF THE MORNING. IF THREATENING WEATHER APPROACHES YOUR LOCATION...MOVE INDOORS IMMEDIATELY. MCMICHAEL
Special weather statement, Aug 9, 11:31 AM EDT, 1 hour 17 minutes before
FLZ050-051-055-060-061-091615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1131 AM EDT SAT AUG 9 2003 ...STRONG THUNDERSTORMS MOVING THROUGH PINELLAS AND HILLSBOROUGH COUNTY... A LINE OF THUNDERSTORMS...MOVING EAST AT 20 MPH...WILL AFFECT PINELLAS PARK AND BRANDON...UNTIL 1215 PM EDT. GUSTY WINDS UP TO 40 MPH WILL OCCUR. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS. JILLSON
Special weather statement, Aug 9, 12:02 PM EDT, 46 minutes before
FLZ051-052-055-056-060-091645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1202 PM EDT SAT AUG 9 2003 A LINE OF STRONG THUNDERSTORMS MOVING NORTHEAST AT 20 MPH WILL AFFECT RUSKIN...APOLLO BEACH...SUN CITY CENTER...WIMAUMA...GIBSTON... BRANDON...DUETTE...FORT LONESOME...MYAKKA HEADY...AND LITHIA UNTIL 1245 PM EDT. GUSTY WINDS UP TO 40 MPH WILL OCCUR. EXCESSIVE CLOUD TO GROUND LIGHTNING IS EXPECTED IF OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. IF INDOORS...REFRAIN FROM USING ELECTRICAL APPLIANCES. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS. MCMICHAEL
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 11:06 AM EDT | Special Marine Warning | TBW | 54 min | |
| Aug 9, 11:06 AM EDT | Special Marine Warning | TBW | 54 min | |
| Aug 9, 3:00 PM EDT | Flash Flood Warning | TBW | Manatee | 3 hr |
Nearby
Flash Flood Warnings in Florida, 2003Every flash flood warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.