Alert archive / Florida / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 68, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 6, 2004, 6:15 PM EDT for Polk County, Florida. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2004, 6:15 PM EDT (22:15 UTC)
- Expired
- Jul 6, 2004, 6:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Polk County, FL
The radar
The Tampa radar (KTBW), 73 km from the middle of the area, began a volume at 22:17 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 severe thunderstorm 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, 10.3 hours before the alert went out and 73 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
- 536 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 1228 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- -17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KTBW 062215 SVRTBW FLC105-062245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 615 PM EDT TUE JUL 6 2004 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN POLK COUNTY IN FLORIDA. * UNTIL 645 PM EDT * AT 615 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER SOUTHERN POLK COUNTY...MOVING WEST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... FORT MEADE. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND HAIL THE SIZE OF PENNIES OR LARGER. MOVE TO A PLACE OF SAFETY. MOVE INSIDE A STURDY BUILDING. DAMAGING WIND...LARGE HAIL... TORRENTIAL RAIN...AND DEADLY LIGHTNING ARE EXPECTED. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. && LAT...LON 2784 8156 2784 8184 2766 8181 2766 8154 $$ 09
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 6, 1:30 PM EDT, 4 hours 45 minutes earlier.
Area forecast discussion, Jul 6, 1:30 PM EDT, 4 hours 45 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 130 PM EDT TUE JUL 6 2004 .SHORT TERM (TONIGHT-THU)...RIDGE AXIS MEANDERS MAINLY ACROSS THE SOUTHERN HALF OF THE STATE THROUGH THE TERM WITH WINDS BECOMING MORE WESTERLY THROUGH THIS EVENING. HIGH PRESSURE ALOFT TO KEEP STEERING FLOW RELATIVELY LIGHT. AREA OF DRY AIR CURRENTLY OVER THE BAHAMAS REGION TO TRAVERSE TO THE WEST BUT STAY SOUTH OF THE CWA...SO SHOULD NOT HAVE MUCH OF AN IMPACT ON POPS FOR THE SOUTHERN ZONES. KEPT SCATTERED AFTERNOON CONVECTION THAT WILL DEVELOP ALONG SEABREEZE BOUNDARIES WITH BEST CHANCES OVER THE INTERIOR...AND ISOLATED TSTMS OVER THE COASTAL WATERS OVERNIGHT. KEPT TEMPS NEAR CLIMO. .LONG TERM (THU NIGHT-TUE)...VERY LITTLE CHANGE TO THE CURRENT FCST WAS DONE. DEEP LAYER RIDGE AXIS EXPECTED TO REMAIN BETWEEN THE CENT AND NCENT FA THROUGH MOST OF THE PERIOD. AS MENTIONED YESTERDAY... MODELS OSCILLATING WITH WHERE TO PLACE THE LOW LEVEL RIDGE AXIS. FOR NOW...GOING WITH A PLACEMENT OVER THE N 1/2 OF THE FA. THIS WILL MEAN LIGHT SSE FLOW...BECOMING WSW OVER THE N FA AND COASTAL AREAS OF THE CENT AND S FA EACH AFTN. HAVE KEPT 40-50% POPS FOR MAINLY AFTN AND EARLY EVENING TIMING. && .MARINE...WITH THE RIDGE OVER THE AREA...WINDS AND SEAS WILL REMAIN LIGHT WITH GENERALLY 5 TO 10 KNOT WINDS AND SEAS LESS THAN 2 FEET. WINDS AND SEAS WILL BE HIGHER NEAR ISOLATED CONVECTIVE ACTIVITY. && .FIRE WEATHER...ABUNDANT LOW-LEVEL MOISTURE CONTINUES KEEPING RHS ABOVE CRITICAL VALUES. ONLY CONCERN WOULD BE IF AREA OF DRY AIR CURRENTLY OVER THE BAHAMAS MOVES FURTHER NORTH THAN CURRENTLY FORECAST. THIS WOULD CAUSE WEDNESDAY AFTERNOON RHS OVER THE SOUTHERN ZONES TO DROP BELOW FORECAST VALUES...HOWEVER STILL EXPECT IT TO REMAIN ABOVE CRITICAL NUMBERS. AFTERNOON TSTMS FORMING ALONG THE SEABREEZE BOUNDARY WILL CAUSE WINDS TO BECOME GUSTY AND SHIFT NEAR THE CONVECTIVE ACTIVITY. && .PRELIMINARY POINT TEMPS/POPS... TPA 078 091 078 091 / 20 40 20 40 FMY 075 093 075 093 / 20 40 20 50 GIF 075 094 075 094 / 30 50 30 50 SRQ 075 091 075 091 / 20 40 20 40 BKV 072 092 072 092 / 20 40 20 40 && .TBW WATCHES/WARNINGS/ADVISORIES...NONE. && SHORT TERM...JLC LONG TERM...RFM
Hazardous weather outlook, Jul 6, 5:25 AM EDT, 12 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 525 AM EDT TUE JUL 6 2004 FLZ039-042-043-048>052-055>057-060>062-065-061400- CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE- LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER- 525 AM EDT TUE JUL 6 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY: SCATTERED SHOWERS AND THUNDERSTORMS ARE AGAIN EXPECTED TO DEVELOP WITH DAYTIME HEATING ALONG THE WEST COAST SEA BREEZE OVER COASTAL AREAS LATER THIS MORNING INTO EARLY AFTERNOON THEN MOVE INLAND LATER COLLIDING WITH OUTFLOW BOUNDARIES AND THE EAST COAST SEA BREEZE LATE THIS AFTERNOON OVER INTERIOR AND SOUTHERN AREAS...THEN TAPER OFF INTO THE EVENING. WEAK STEERING FLOW ALOFT WILL ALLOW FOR SLOW MOVING STORMS. RAINFALL RATES OF 2 TO 3 INCHES AN HOUR ARE POSSIBLE...WHICH COULD CAUSE MINOR FLOODING OF POOR DRAINAGE AREAS. FREQUENT TO EXCESSIVE CLOUD TO GROUND LIGHTNING AND GUSTY WINDS OF 30 TO 40 MPH ARE ALSO POSSIBLE WITH TODAYS STORMS. WHEN SKIES DARKEN...MOVE INDOORS. IF THERE IS TIME...UNPLUG APPLIANCES AND ELECTRICAL EQUIPMENT. WAIT UNTIL THE STORM ENDS BEFORE USING THE TELEPHONE OR RUNNING WATER. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA OUTLETS FOR UPDATES. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY: SCATTERED MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE EXPECTED EACH DAY. THERE WILL BE A POSSIBILITY OF STRONG STORMS EACH AFTERNOON. STAY TUNED TO THE LATEST FORECASTS FOR ADDITIONAL DETAILS. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT HTTP://WWW.SRH.NOAA.GOV/TBW (LOWER CASE)
In the hours before
Special weather statement, Jul 6, 3:32 PM EDT, 2 hours 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 332 PM EDT TUE JUL 6 2004 FLZ043-048-062015- HERNANDO-SUMTER- 332 PM EDT TUE JUL 6 2004 STRONG THUNDERSTORMS WITH LITTLE MOVMENT...WILL AFFECT RIDGE MANOR...CROOM...NOBLETON...BUSHNELL AND WEBSTER...UNTIL 415 PM EDT. GUSTY WINDS UP TO 40 MPH WILL BE POSSIBLE. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS STORM WILL PRODUCE PEA SIZE HAIL. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS. MCMICHAEL
Special weather statement, Jul 6, 4:33 PM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 433 PM EDT TUE JUL 6 2004 FLZ055-062115- MANATEE- 433 PM EDT TUE JUL 6 2004 STRONG THUNDERSTORMS WITH LITTLE MOVEMENT...WILL AFFECT MYAKKA HEAD AND MYAKKA CITY...UNTIL 515 PM EDT. GUSTY WINDS UP TO 30 MPH WILL BE POSSIBLE. 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. MOTORISTS SHOULD EXERCISE CAUTION. MCMICHAEL
Special weather statement, Jul 6, 5:23 PM EDT, 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 523 PM EDT TUE JUL 6 2004 FLZ052-062200- POLK- 523 PM EDT TUE JUL 6 2004 ...FUNNEL CLOUDS ARE POSSIBLE IN CENTRAL POLK COUNTY... AT 520 PM EDT...A SKYWARN SPOTTER REPORTED A FUNNEL CLOUD 1 MILE WEST OF BARTOW. DOPPLER RADAR SHOWED THE STORMS IN THE AREA DRIFTING SLOWLY SOUTHEAST. FUNNEL CLOUDS CAN BECOME BRIEF...SMALL...BUT DANGEROUS TORNADOES. MOVE INDOORS IMMEDIATELY...AND STAY AWAY FROM WINDOWS. LAT...LON 2805 8167 2802 8196 2776 8195 2780 8160 09
Special weather statement, Jul 6, 5:45 PM EDT, 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 545 PM EDT TUE JUL 6 2004 FLZ057-062230- HIGHLANDS- 545 PM EDT TUE JUL 6 2004 STRONG THUNDERSTORMS DRIFTING SOUTHWEST...WILL AFFECT AVON PARK... SEBRING AND SEBRING SHORES...UNTIL 630 PM EDT. GUSTY WINDS UP TO 30 MPH WILL OCCUR. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS STORM MAY PRODUCE PEA SIZE HAIL. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS...MOTORISTS SHOULD EXERCISE CAUTION. MCMICHAEL
Special weather statement, Jul 6, 5:50 PM EDT, 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 550 PM EDT TUE JUL 6 2004 FLZ052-062230- POLK- 550 PM EDT TUE JUL 6 2004 ...STRONG THUNDERSTORMS WILL AFFECT SOUTHWEST POLK COUNTY... THUNDERSTORMS...MOVING SOUTHWEST AT 5 MPH...WILL AFFECT RURAL SOUTHWESTERN POLK COUNTY...UNTIL 630 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. THIS STORM MAY PRODUCE PEA SIZE HAIL. 09
Local storm report, Jul 6, 6:10 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
610 PM EDT TUE JUL 06 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0300 PM LIGHTNING DARBY 28.37N 82.35W
07/06/2004 PASCO FL BROADCAST MEDIA
*** 1 INJ *** 33 YEAR OLD MALE STRUCK WHILE WORKING
OUTDOORS AT SHYAWAY STABLES. TAKEN TO HOSPITAL WITH MINOR
INJURIES.
&&
JCMThe office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 4:43 PM EDT | Severe Thunderstorm Warning | TBW | Manatee | 32 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2004Every severe thunderstorm 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.