Alert archive / Florida / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 89, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 28, 2003, 4:50 PM EDT for Polk County, Florida. It was in force for 25 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 28, 2003, 4:50 PM EDT (20:50 UTC)
- Expired
- Jul 28, 2003, 5:15 PM EDT
- In force
- 25 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, 8.8 hours before the alert went out and 44 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
- 1344 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 975 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
361 WUUS52 KTBW 282050 SVRTBW FLC105-282115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 448 PM EDT MON JUL 28 2003 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN POLK COUNTY IN FLORIDA. * UNTIL 515 PM EDT * AT 448 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER SOUTHWESTERN POLK COUNTY...MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... BRADLEY JUNCTION. 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 2785 8205 2767 8204 2768 8183 2787 8184 $$ 25
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 28, 2:00 PM EDT, 2 hours 50 minutes earlier.
Area forecast discussion, Jul 28, 2:00 PM EDT, 2 hours 50 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 200 PM EDT MON JUL 28 2003 CURRENT/SHORT TERM (TONIGHT-WED)...WEAK SURFACE RIDGE CONTINUES OVER FA WITH LITTLE FLOW. SEA BREEZE AND CONVECTIVE ELEMENTS DEVELOPING ALONG ENTIRE COAST. MOST OF THE PRECIPITATION IS FROM THE TAMPA BAY AREA NORTH. WEAK RIDGING PATTERN CONTINUES TUESDAY BUT SHIFTS OVER SOUTH FLORIDA. WITH THE WEAK PRESSURE GRADIENT... THIS SHIFT WILL NOT HAVE MUCH AFFECT EXCEPT TO BEGIN SEA BREEZES A BIT EARLIER. EXTENDED (THU THRU MON)...WEAK UPPER RIDGE DROPS INTO THE EASTERN U.S. FOR THE WEEKEND BEFORE BEGINNING TO LIFT NORTHWARD MON. A SURFACE RIDGE WILL REMAIN ACROSS THE SOUTH-CENTRAL OR SOUTH CWFA INTO MUCH OF THE WEEKEND BUT THEN MOVE NORTH SUNDAY AND MONDAY AS A WEAK WAVE MOVES THROUGH THE SOUTHERN HALF OF FL. GENERALLY LIGHT FLOW THROUGH THE PERIOD WITH COASTAL PRECIPITATION MOVING ONSHORE IN THE MID MORNING AND THEN INLAND DURING THE AFTERNOON. POPS WILL REMAIN IN THE SCATTERED RANGE WITH TEMPERATURES NEAR NORMAL. MARINE... NO CONCERNS EXCEPT SCATTERED TSTMS. FIRE WEATHER... NO CONCERNS. CCFTBW TPA BB 076/090 077/090 078 03242 FMY BB 076/091 077/091 076 03242 GIF BB 075/092 076/092 074 03242 SRQ BB 075/089 076/089 076 03242 BKV BB 071/091 072/091 073 03242 .TBW...NONE. CP/RR
Hazardous weather outlook, Jul 28, 5:38 AM EDT, 11 hours 12 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-281300- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 538 AM EDT MON JUL 28 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY: SCATTERED AFTERNOON THUNDERSTORMS ARE EXPECTED AS DAYTIME TEMPERATURES TO 90 OR ABOVE WILL ACT ON A MOIST ATMOSPHERE. THE STRONGEST THUNDERSTORMS WILL DEVELOP ON THE GULF AND EAST COAST SEA BREEZES...WITH ISOLATED SEVERE STORMS POSSIBLE IN LOCATIONS WHERE THE BOUNDARIES COLLIDE IN THE AFTERNOON INTO THE EARLY EVENING HOURS. 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 WITH A FEW STORMS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY: WINDS WILL VEER TO THE SOUTHWEST BY TUESDAY AS LARGE UPPER LEVEL TROUGH MOVES INTO THE EASTERN QUARTER OF THE U.S. THIS WILL BRING LATE MORNING STORMS TO THE COAST AND SCATTERED STORMS IN THE AFTERNOON OVER THE REMAINDER OF THE AREA. .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. ALSHEIMER
In the hours before
Local storm report, Jul 28, 3:03 PM EDT, 1 hour 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
303 PM EDT MON JUL 28 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1210 PM CLEARWATER FL LIGHTNING
07/28/03 PINELLAS *** 3 INJ ***
THREE CONSTRUCTION WORKERS
EATING LUNCH UNDER A TREE
WERE AFFECTED WHEN
LIGHTNING HIT THE TREE. THE
WORKERS WERE COMPLAINING OF
MUSCLE TREMORS AND INTERNAL
PAIN.The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 3:24 PM EDT | Severe Thunderstorm Warning | TBW | Pasco | 36 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.