Alert archive / Florida / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 92, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 30, 2003, 1:04 PM EDT for Polk County, Florida. It was in force for 26 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 30, 2003, 1:04 PM EDT (17:04 UTC)
- Expired
- Jul 30, 2003, 1:30 PM EDT
- In force
- 26 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Polk County, FL
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, 5.1 hours before the alert went out and 56 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
- 1486 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 910 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
866 WUUS52 KTBW 301704 SVRTBW FLC105-301730- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 104 PM EDT WED JUL 30 2003 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN POLK COUNTY IN FLORIDA. * UNTIL 130 PM EDT * AT 104 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...7 MILES WEST OF LAKELAND...MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... WINSTON. LAKELAND. CRYSTAL LAKE. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND HAIL THE SIZE OF PENNIES OR LARGER. MOVE TO A PLACE OF SAFETY. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN RUSKIN. && LAT...LON 2810 8207 2792 8206 2794 8183 2814 8186 $$ 88
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 30, 9:31 AM EDT, 3 hours 33 minutes earlier.
Area forecast discussion, Jul 30, 9:31 AM EDT, 3 hours 33 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 931 AM EDT WED JUL 30 2003 CURRENTLY: EARLY MORNING CONVECTION DISPLACED FARTHER N TODAY... MAINLY ACROSS THE NATURE COAST AND INTO THE COASTAL WATERS FROM OFF PINELLAS CO N. JUST A COUPLE OF CELLS NEAR THE COAST S OF PINELLAS CO. ELSEWHERE...SKIES ARE MOSTLY SUNNY WITH TEMPS A BIT WARMER THAN THIS TIME YESTERDAY...ALREADY IN THE L80S. KTBW SOUNDING ABOUT AS UNSTABLE AS IN RECENT DAYS...THOUGH 500 MB TEMPS HAVE RISEN SLIGHTLY. DISC: STABILIZED AREA TODAY WILL BE ACROSS THE NATURE COAST... MEANING A LATER INITIATION OF PERHAPS LESSER CONVECTION LATER TODAY AFTER THIS MORNINGS ACTIVITY FADES. FARTHER S...EXPECT AN EARLIER INITIATION (PERHAPS AS SOON AS AROUND LUNCHTIME IN TAMPA BAY) WITH DEEP LAYERED...THOUGH VERY LIGHT...SW FLOW DRIVING THE ACTIVITY INLAND BY LATE AFTN. FOR THE UPDATE...WILL REMOVE MORNING WORDING FROM THE CENTRAL GROUP BUT PROBABLY LEAVE THE REMAINING ZONES ALONE. MAX TEMPS MAY BE SLIGHTLY INHIBITED BY DEBRIS FROM HERNANDO CO N...BUT EXPECT SOME RECOVERY CLOSE TO FCST VALUES BY LATE AFTN. MARINE: CONVECTION CAUSING SOME WIND AND SEA FLUCTUATION N OF TAMPA BAY...OTHERWISE LIGHT WINDS AND SLIGHT SEAS TODAY. ZONE UPDATE BY 1030 AM. .TBW...NONE. 88/GOLDSMITH
Hazardous weather outlook, Jul 30, 5:34 AM EDT, 7 hours 30 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-301530- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 534 AM EDT WED JUL 30 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY: ...MORE ISOLATED SEVERE THUNDERSTORMS POSSIBLE TODAY... AS TEMPERATURES CLIMB TO NEAR 90 THIS AFTERNOON...THE ATMOSPHERE WILL BECOME QUITE UNSTABLE. DURING THIS TIME...THE GULF SEA BREEZE WILL MOVE INLAND...PROVIDING A FOCUSING MECHANISM FOR SCATTERED THUNDERSTORMS. THE STRONGEST STORMS WILL CONTAIN HAIL...HEAVY RAIN IN EXCESS OF TWO INCHES...AND WIND GUSTS TO 50 MPH OR HIGHER. EXCESSIVE LIGHTNING IS ALSO EXPECTED. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY: SCATTERED THUNDERSTORMS ARE EXPECTED EACH DAY AS TYPICAL SUMMERTIME CONDITIONS PERSIST. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS REQUESTED TODAY. WEATHER SPOTTERS ARE REMINDED TO RELAY ANY REPORTS OF SIGNIFICANT WEATHER TO THE NWS OFFICE IN RUSKIN. ALSHEIMER
In the hours before
Local storm report, Jul 30, 12:35 PM EDT, 29 minutes before
MARINE LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
1235 PM EDT WED JUL 30 2003
TIME(EDT) .....MARINE SUBZONE.... GMZ ...EVENT/REMARKS...
......MARINE ZONE......
1145 AM HOMOSASSA-WACASASSA 850 WATERSPOUT
07/30/03 TARP SPGS-SUWANNEE 20NM FOUR SEPARATE WATERSPOUTS
REPORTED APPROXIMATELY 5
MILES NORTHWEST OF SHELL
ISLAND IN EXTREME NORTHWEST
CITRUS COUNTY. REPORTED BY
GEN PUBLIC MARINER THROUGH
LOCAL MEDIA EVENT LASTED 30
MIN.The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 4:27 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 33 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2003Every severe thunderstorm 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.