Alert archive / Florida / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 83, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 25, 2003, 1:59 PM EDT for Pinellas County, Florida. It was in force for 46 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 25, 2003, 1:59 PM EDT (17:59 UTC)
- Expired
- Jul 25, 2003, 2:45 PM EDT
- In force
- 46 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Pinellas 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, 6.0 hours before the alert went out and 43 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
- 117 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 1219 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -8 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.
704 WUUS52 KTBW 251759 SVRTBW FLC103-251845- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 158 PM EDT FRI JUL 25 2003 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... PINELLAS COUNTY IN FLORIDA. * UNTIL 245 PM EDT * AT 158 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER PINELLAS PARK...MOVING SOUTHEAST AT 5 TO 10 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... PINELLAS PARK. LEALMAN. TREASURE ISLAND. SAINT PETERSBURG. SAINT PETE BEACH. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND HAIL THE SIZE OF PENNIES OR LARGER. MOVE TO A PLACE OF SAFETY. && LAT...LON 2805 8292 2767 8278 2774 8255 2806 8267 $$
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 25, 9:30 AM EDT, 4 hours 29 minutes earlier.
Area forecast discussion, Jul 25, 9:30 AM EDT, 4 hours 29 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 930 AM EDT FRI JUL 25 2003 CURRENT/SHORT TERM...MORNING TBW SOUNDING SHOWS SOUTHERLY LOW LEVEL FLOW BECOMING WEST ABOVE 800 MB THEN SE ABOVE 300 MB. RIDGE STILL ACROSS CENTRAL FL BUT LOW LEVEL FLOW IS SOMEWHAT DISTORTED BY SMALL LOW OFF VOLUSIA/FLAGLER COUNTIES. PLENTY OF LOW LEVEL MOISTURE AND MID LEVEL TEMPERATURES ARE COOLER THAN NORMAL AND THIS ADDED INSTABILITY SHOULD HELP KEEP TSTMS STRONGER WITH ISOLATED SEVERE WEATHER THIS AFTERNOON ESPECIALLY FROM TAMPA BAY NORTH. CONVECTION ALREADY NEAR SHORE OVER NORTHERN FA AND OVER SOUTHERN FA WHERE FLOW IS MORE SE TSTMS SHOULD BE LATER. MARINE...NO PROBLEMS. .TBW...NONE. CP
Hazardous weather outlook, Jul 25, 6:00 AM EDT, 7 hours 59 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-251430- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL FL 600 AM EDT FRI JUL 25 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY: SOUTHEASTERLY LOW LEVEL FLOW WILL BRING THE EAST COAST SEA BREEZE TO THE WEST COAST THIS AFTERNOON. THIS AND THUNDERSTORM OUTFLOW BOUNDARIES WILL TRIGGER SCATTERED MAINLY AFTERNOON THUNDERSTORMS. IN ADDITION TO THE SEA BREEZE FRONT...A SMALL SCALE UPPER LEVEL ROTATION 150 MILES WEST OF NAPLES EARLY THIS MORNING WILL MOVE INTO THE AREA THIS AFTERNOON. A SMALL POCKET OF COOL AIR ASSOCIATED WITH THIS SYSTEM COULD ENHANCE THE HAIL POTENTIAL. LOCALIZED FLOODING AND BRIEF 60 MPH DOWNBURST WINDS ARE ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY: SOUTHEASTERLY LOW LEVEL FLOW WILL CONTINUE THROUGH MONDAY AS A RIDGE OF HIGH PRESSURE REMAINS OVER NORTHERN FLORIDA. THIS WILL PUSH THE EAST COAST SEA BREEZE INTO THE AREA AND CREATE AFTERNOON AND EARLY EVENING THUNDERTSORMS. WINDS WILL VEER TO THE SOUTHWEST TUESDAY AS LARGE UPPER LEVEL TROUGH MOVES INTO THE EASTERN QUARTER OF THE U.S. THIS WILL BRING EARLY MORNING STORMS TO THE COAST AND SCATTERED STORMS IN THE AFTERNOON. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS REQUESTED THIS AFTERNOON AND EARLY EVENING. WEATHER SPOTTERS ARE REMINDED TO RELAY ANY REPORTS OF SIGNIFICANT WEATHER TO THE NWS OFFICE IN RUSKIN. NOAH
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 3:37 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 23 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.