Alert archive / Florida / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 75, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 17, 2003, 11:40 PM EDT for Pinellas County, Florida. It was in force for 35 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 17, 2003, 11:40 PM EDT (03:40 UTC)
- Expired
- Jul 18, 2003, 12:15 AM EDT
- In force
- 35 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 00:00Z, 3.7 hours before the alert went out and 33 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
- 2215 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1281 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
149 WUUS52 KTBW 180340 SVRTBW FLC103-180415- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1140 PM EDT THU JUL 17 2003 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN PINELLAS COUNTY IN FLORIDA. * UNTIL 1215 AM EDT * AT 1140 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS AND POSSIBLY LARGE HAIL...OVER SAINT PETERSBURG...MOVING NORTHWEST AT 15 TO 20 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... SAINT PETERSBURG. LEALMAN. KENNETH CITY. PINELLAS PARK. HIGHPOINT. LARGO. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND HAIL THE SIZE OF PENNIES OR LARGER. MOVE TO A PLACE OF SAFETY. FREQUENT CLOUD TO GROUND LIGHTNING IS ALSO OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY. DO NOT USE ELECTRICAL APPLIANCES OR TELEPHONES. && LAT...LON 2770 8263 2785 8256 2804 8280 2784 8291 $$ 33
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 17, 9:08 PM EDT, 2 hours 32 minutes earlier.
Area forecast discussion, Jul 17, 9:08 PM EDT, 2 hours 32 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 908 PM EDT THU JUL 17 2003 A BOUNDARY FROM THE EAST COAST THUNDERSTORMS HAS FIRED UP SOME THUNDERSTORMS ALONG OUR COAST. THESE STORMS HAVE BEEN BEHAVING THEMSELVES AND WITH THE SUNSET I DO NOT EXPECT THEM TO GO ABOVE SEVERE LIMITS. THIS IS IN SPITE OF TONIGHTS SOUNDING BEING VERY UNSTABLE AND CONTAINING A DRY SLOT. I WILL CHANGE THE WORDING IN THE FORECAST TO REMOVE THE MENTION OF SEVERE THUNDERSTORMS AND TAKE OUT POPS COMPLETELY ACROSS THE SOUTH AND INLAND WHERE THE AIR HAS STABILIZED. THE COASTAL FORECAST LOOKS FINE. .TBW...NONE. SOBIEN
Hazardous weather outlook, Jul 17, 5:55 AM EDT, 17 hours 45 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-171500- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 555 AM EDT THU JUL 17 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT: ...A FEW MORE SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON... ISOLATED THUNDERSTORMS WILL DEVELOP BETWEEN 11 AM AND 1 PM ALONG THE GULF COAST SEA BREEZE AND WHERE THE SEA BREEZE AND BAY BREEZES INTERSECT AROUND TAMPA AND SAINT PETERSBURG. THESE STORMS WILL CONTAIN OCCASIONAL CLOUD TO GROUND LIGHTNING...A BRIEF DOWNPOUR...AND WIND GUSTS TO 25 MPH. SCATTERED THUNDERSTORMS WILL DEVELOP BETWEEN 1 AND 4 PM ACROSS MOST OF THE AREA. AMPLE HEATING BEFORE DEVELOPMENT WILL ALLOW A FEW MORE STRONG STORMS TO DEVELOP THAN ON WEDNESDAY. THE STRONGER STORMS THIS AFTERNOON WILL PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING...LOCALLY HEAVY RAINFALL WHICH MAY PRODUCE URBAN FLOODING IN POOR DRAINAGE AREAS...AND WIND GUSTS TO 40 MPH. A POCKET OF COOL AIR WELL ABOVE THE SURFACE WILL CONTINUE TODAY. THIS WILL ALLOW SEVERAL STORMS TO APPROACH OR EXCEED SEVERE LIMITS...WITH THE MAIN THREATS BEING PENNY SIZE HAIL AND DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY: SCATTERED THUNDERSTORMS ARE EXPECTED EACH DAY. LIGHT SOUTHWEST STEERING FLOW MAY HELP INITIATE A FEW EARLY MORNING STORMS NEAR THE SUNCOAST GENERALLY FROM PINELLAS COUNTY NORTHWARD...ESPECIALLY FROM SATURDAY ON. OTHERWISE...STORMS WILL TEND TO OCCUR BETWEEN NOON AND SUNSET. .SPOTTER CALL TO ACTION STATEMENT... FULL SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. SELF ACTIVATION MAY BE NECESSARY IN A FEW SPOTS...ESPECIALLY IF SEVERE STORMS DEVELOP IN HIGHER POPULATION AREAS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA OUTLETS FOR UPDATES...INCLUDING POSSIBLE WARNINGS OR ADVISORIES...LATER TODAY. FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT HTTP://WWW.SRH.NOAA.GOV/TBW BSG
In the hours before
Special weather statement, Jul 17, 5:44 PM EDT, 5 hours 56 minutes before
FLZ057-172230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 544 PM EDT THU JUL 17 2003 ...STRONG THUNDERSTORM WILL SOUTHEASTERN HIGHLANDS COUNTY... A THUNDERSTORM...MOVING WEST AT 10 MPH...WILL AFFECT BRIGHTON... HIGHWAY 98...AND RURAL SOUTHEASTERN HIGHLANDS COUNTY...UNTIL 630 PM EDT. GUSTY WINDS UP TO 40 MPH AND 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.
Special weather statement, Jul 17, 6:36 PM EDT, 5 hours 4 minutes before
FLZ055-056-060-061-172315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 636 PM EDT THU JUL 17 2003 THUNDERSTORMS...MOVING NORTHWEST AT 10 MPH...WILL AFFECT RURAL EASTERN SARASOTA COUNTY... RURAL NORTHWESTERN DESOTO COUNTY...AND EXTREME SOUTHEASTERN MANATEE COUNTY...UNTIL 715 PM EDT. THIS ACTIVITY EXTENDED FROM NEAR LILY...TO 10 MILES SOUTHEAST OF MYAKKA STATE PARK. GUSTY WINDS UP TO 30 MPH AND 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.
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 3:00 PM EDT | Severe Thunderstorm Warning | TBW | Citrus | 30 min |
| Jul 18, 3:47 PM EDT | Severe Thunderstorm Warning | TBW | Levy | 43 min |
| Jul 18, 7:14 PM EDT | Severe Thunderstorm Warning | TBW | Highlands | 31 min |
| Jul 18, 7:34 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 26 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.