Alert archive / Florida / Flash Flood Warnings in 2004
Flash Flood Warning 1, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this flash flood warning at Aug 7, 2004, 6:10 PM EDT for Hillsborough 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 outline as issued.
The facts
- Issued
- Aug 7, 2004, 6:10 PM EDT (22:10 UTC)
- Expired
- Aug 7, 2004, 8:15 PM EDT
- In force
- 2 hr
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Hillsborough County, FL
The radar
The Tampa radar (KTBW), 3 km from the middle of the area, began a volume at 22:11 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 10.2 hours before the alert went out and 3 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
- 772 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KTBW 072211 FFWTBW FLC057-080015- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 610 PM EDT SAT AUG 7 2004 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN HILLSBOROUGH COUNTY IN FLORIDA. * UNTIL 815 PM EDT * AT 610 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TORRENTIAL RAINS OF FOUR INCHES PER HOUR IN THE VICINITY OF RUSKIN AND SUN CITY CENTER. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. MOVE TO HIGHER GROUND NOW. RESIDENTS LIVING ALONG STREAMS AND CREEKS...SHOULD TAKE PRECAUTIONS NOW TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS...OR WATERS OF UNKNOWN DEPTH...BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT AND SEEK HIGHER GROUND. EXCESSIVE RUNOFF WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS... AND SOME RURAL ROADS. FARMLAND ALONG STREAM BANKS WILL BE INUNDATED. MOVE TO HIGHER GROUND. DONT BECOME A STATISTIC. TURN AROUND...DONT DROWN && LAT...LON 2774 8232 2776 8244 2769 8249 2764 8231 $$ 69
2 follow-up statements
000 WGUS72 KTBW 072256 FFSTBW FLC057-080015- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 651 PM EDT SAT AUG 7 2004 ...A FLASH FLOOD WARNING CONTINUES FOR SOUTHERN HILLSBOROUGH COUNTY... ...UNTIL 815 PM EDT. AT 655 PM EDT...THE THUNDERSTORM HAD WEAKENED AND ONLY SOME LIGHT RAIN WAS OCCURRING. HOWEVER...EXCESSIVE RUNOFF FROM THE STORM WILL CONTINUE TO CAUSE FLOODING OF SMALL CREEKS AND STREAMS...AND SOME ROADWAYS IN AND AROUND RUSKIN AND SUN CITY CENTER FOR THE NEXT HOUR OR SO. FARMLAND ALONG STREAM BANKS WILL CONTINUE TO BE INUNDATED. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. MOVE TO HIGHER GROUND NOW. RESIDENTS LIVING ALONG STREAMS AND CREEKS...SHOULD TAKE PRECAUTIONS NOW TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS...OR WATERS OF UNKNOWN DEPTH...BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT AND SEEK HIGHER GROUND. DONT BECOME A STATISTIC. TURN AROUND...DONT DROWN && LAT...LON 2774 8232 2776 8244 2769 8249 2764 8231 $$ 69
000 WGUS72 KTBW 072258 CCA FFSTBW FLC057-080015- FLASH FLOOD STATEMENT...CORRECTED ISSUANCE TIME NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 657 PM EDT SAT AUG 7 2004 ...A FLASH FLOOD WARNING CONTINUES FOR SOUTHERN HILLSBOROUGH COUNTY... ...UNTIL 815 PM EDT. AT 655 PM EDT...THE THUNDERSTORM HAD WEAKENED AND ONLY SOME LIGHT RAIN WAS OCCURRING. HOWEVER...EXCESSIVE RUNOFF FROM THE STORM WILL CONTINUE TO CAUSE FLOODING OF SMALL CREEKS AND STREAMS...AND SOME ROADWAYS IN AND AROUND RUSKIN AND SUN CITY CENTER FOR THE NEXT HOUR OR SO. FARMLAND ALONG STREAM BANKS WILL CONTINUE TO BE INUNDATED. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. MOVE TO HIGHER GROUND NOW. RESIDENTS LIVING ALONG STREAMS AND CREEKS...SHOULD TAKE PRECAUTIONS NOW TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS...OR WATERS OF UNKNOWN DEPTH...BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT AND SEEK HIGHER GROUND. DONT BECOME A STATISTIC. TURN AROUND...DONT DROWN && LAT...LON 2774 8232 2776 8244 2769 8249 2764 8231 $$ 69
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 7, 1:10 PM EDT, 5 hours earlier.
Area forecast discussion, Aug 7, 1:10 PM EDT, 5 hours before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 110 PM EDT SAT AUG 7 2004 .CURRENT...WINDS FROM OCALA TO CEDAR KEY TO BOUY 42036 WERE EAST AT 10 TO 15 KNOTS AND GUSTY. SFC OBS SHOW COLD FRONT E-W THROUGH VENICE...DOPPLER SCT TSTMS ALONG/SOUTH OF FRONT WITH ISOLD SHOWERS TO THE NORTH. .SHORT TERM (TGT-MON)...WATER VAPOR LOOP SHOWED A FEATURE RACING SOUTHEAST THROUGH MISSISSIPPI AND THIS SHOULD INCREASE AREAL COVERAGE OF PCPN SOUTH OF LEVY COUNTY THIS EVENING. MODELS IN FAIR AGREEMENT WITH STALLING COLD FRONT NEAR PUNTA GORDA TONIGHT... THEN BRINGING IT INTO NORTHERN FORECAST AREA (LEVY COUNTY) BY MONDAY. SCT-NMRS SHOWERS AND THUNDERSTORMS WILL BE ANCHORED IN FORECAST. DRIER AIR FILTERING INTO LEVY COUNTY THIS AFTERNOON WILL ALLOW LOWS TO DIP INTO THE UPPER 60S TONIGHT...70S EXPECTED ELSEWHERE. && .LONG TERM (MON NIGHT-SAT)...PERIOD STARTS OFF WITH A ZONAL PATTERN ALOFT...FOR A CHANGE...BUT THEN QUICKLY AMPLIFIES INTO ANOTHER EAST COAST TROUGH BY THU. AT THE SFC...SOME WEAK TROUGHING REMAINS OVER THE FA BUT THE SUBTROPICAL RIDGE TRIES TO MOVE IN FROM THE S. HAVE KEPT THIS TREND IN WITH THE WIND FIELDS...BUT HAVE TWEAKED SPEEDS DOWN TUE AND WED BECAUSE AM UNCERTAIN ABOUT DEVELOPMENT OF SOME WEAK LOWS IN THE GULF AND/OR THE ATLANTIC ALONG THE TROUGH. BY WED AFTN ANOTHER LOW DEVELOPS OVER THE SE AHEAD OF THE DEEPENING TROUGH. BECAUSE OF THIS HAVE KEPT SPEEDS FOR THE NRN WATERS AROUND 10 KTS AS EXPECT SLIGHTLY TIGHTER GRADIENT THERE...BUT SHUD LOW DEVELOP MAY HAVE TO GO A HIGHER. CLIMO SUGGESTS THAT POPS BE REDUCED WITH THE RIDGE OVER THE SRN FA...HOWEVER WITH UPPER LEVEL ENERGY LIKELY TO ROTATE AROUND THE TROUGH AND THE WEAK SFC TROUGH...EXPECT RAINY PATTERN TO CONTINUE IN THE LONG TERM AS WELL. CURRENT FORECAST OF HIGH-END SCT POPS LOOKS GOOD AND WILL KEEP. THIS PATTERN WILL KEEP MAX (MIN) TEMPS AROUND OR JUST BELOW (ABOVE) CLIMO. && .MARINE...AT 1 PM EDT BUOY 42036 REPORTED EAST WINDS 16G19KT WITH SEAS 4.9 FT. WILL NOT CARRY SCEC INTO THE EVENING. OTHERWISE...WINDS AND SEAS REMAIN BELOW CRITERIA THROUGH PERIOD. && .FIRE WEATHER...NO CONCERNS. && .PRELIMINARY POINT TEMPS/POPS... TPA 076 088 076 089 / 50 60 40 50 FMY 076 088 074 090 / 50 70 40 40 GIF 075 088 075 090 / 50 70 40 50 SRQ 075 088 074 088 / 50 70 40 40 BKV 073 088 072 089 / 50 50 40 50 && .TBW WATCHES/WARNINGS/ADVISORIESS...NONE. && SHORT TERM...NOAH LONG TERM...RJS
Hazardous weather outlook, Aug 7, 5:03 AM EDT, 13 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 503 AM EDT SAT AUG 7 2004 FLZ039-042-043-048-071500- CITRUS-HERNANDO-LEVY-SUMTER- 503 AM EDT SAT AUG 7 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR FLORIDAS NATURE COAST. .DAY ONE...TODAY: SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND CONTINUE WELL INTO THE EVENING BEFORE TAPERING OFF TO LIGHT RAIN BY MID EVENING. THE PRIMARY THREATS WILL BE LOCALLY HEAVY RAINFALL AND OCCASIONAL LIGHTNING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY: SCATTERED THUNDERSTORMS ARE EXPECTED SUNDAY AND MONDAY...MAINLY DURING THE AFTERNOON. A RIBBON OF HIGHER MOISTURE...COMBINED WITH SOUTHWEST FLOW...MAY DEVELOP TUESDAY AND CONTINUE THROUGH THURSDAY. THIS WOULD ALLOW SCATTERED TO PERHAPS NUMEROUS SHOWERS AND THUNDERSTORMS...MAINLY DURING THE MORNING INTO THE MID AFTERNOON HOURS. LOCALLY HEAVY RAINFALL MAY DEVELOP DURING THE LATTER PART OF NEXT WEEK. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. FLZ049>052-055>057-060>062-065-071500- CHARLOTTE-DE SOTO-HARDEE-HIGHLANDS-HILLSBOROUGH-LEE-MANATEE-PASCO- PINELLAS-POLK-SARASOTA- 503 AM EDT SAT AUG 7 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA MAINLY SOUTH OF A TAMPA TO LAKELAND LINE. .DAY ONE...TODAY: ...MORE LOCALLY HEAVY RAINFALL TODAY... EARLY THIS MORNING: SCATTERED THUNDERSTORMS WILL PRODUCE LOCALLY TORRENTIAL RAINS NEAR THE COAST FROM MANATEE COUNTY TO CHARLOTTE AND LEE COUNTIES. RAINFALL OF UP TO 3 INCHES IN STRONGER CELLS IS POSSIBLE...AS WELL AS OCCASIONAL CLOUD TO GROUND LIGHTNING. LATER THIS MORNING AND THIS AFTERNOON: MORE THUNDERSTORMS ARE EXPECTED TO DEVELOP...AND GENERALLY MOVE SLOWLY FROM WEST TO EAST. ALL STORMS WILL PRODUCE BRIEF DOWNPOURS. THE HEAVIEST RAINFALL WILL LIKELY BE TO THE RIGHT OF A LINE FROM WESTERN DESOTO NORTHWEST TO EASTERN HILLSBOROUGH COUNTY...INCLUDING ALL OF POLK AND HIGHLANDS AND MOST OF HARDEE COUNTY. STORM TOTALS IN THESE AREAS COULD REACH 3 INCHES OR MORE THIS AFTERNOON. THIS EVENING: A FEW STRAY STORMS MAY DEVELOP AMIDST AREAS OF LIGHT RAIN...WITH OCCASIONAL CLOUD TO GROUND LIGHTNING AND LOCAL DOWNPOURS. HEAVY RAINS MAY CAUSE MINOR FLOODING OF POOR DRAINAGE AND LOW LYING AREAS. SMALL STREAMS MAY BRIEFLY EXCEED BANK FULL. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY: ...ADDITIONAL HEAVY RAINFALL MAY BEGIN TO CAUSE MINOR FLOOD PROBLEMS... SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED SUNDAY AND MONDAY...MAINLY DURING THE AFTERNOON. A RIBBON OF HIGHER MOISTURE...COMBINED WITH SOUTHWEST FLOW...MAY DEVELOP TUESDAY AND CONTINUE THROUGH THURSDAY. THIS WOULD ALLOW SCATTERED TO PERHAPS NUMEROUS SHOWERS AND THUNDERSTORMS...MAINLY DURING THE MORNING INTO THE MID AFTERNOON HOURS. LOCALLY HEAVY RAINFALL MAY DEVELOP DURING THE LATTER PART OF NEXT WEEK. AREA RIVERS...STREAMS...AND CREEKS...ESPECIALLY AS ONE GOES TOWARD THE COAST...ARE RUNNING HIGH. BECAUSE THE GROUND IS SATURATED...MUCH OF THE EXPECTED RAINFALL WILL GO DIRECTLY INTO RUNOFF...INCREASING THE THREAT FOR MINOR FLOODING. && FOR ADDITIONAL WEATHER INFORMATION...STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES AND POSSIBLE ADVISORIES AND FLOOD WARNINGS. FOR UPDATED RIVER AND FLOOD INFORMATION...CHECK THE FOLLOWING WEB ADDRESS: HTTP://WWW.SRH.NOAA.GOV/CGI-BIN/AHPS.CGI?TBW BSG
Nearby
Flash Flood Warnings in Florida, 2004Every flash flood warning in 2004
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.