Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 9, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Mar 29, 2001, 10:13 AM EST for Hillsborough County, Pinellas County, Florida. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 29, 2001, 10:13 AM EST (15:13 UTC)
- Expired
- Mar 29, 2001, 10:45 AM EST
- In force
- 32 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
Counties Hillsborough County, FL, Pinellas County, FL
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 29, 9:15 AM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 3.2 hours before the alert went out and 26 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
- 954 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 623 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 343 m²/s²
- 0-3 km storm-relative helicity
- 401 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 12.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KTBW 291515 SVRTBW FLC057-103-291545- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1013 AM EST THU MAR 29 2001 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN HILLSBOROUGH COUNTY IN FLORIDA. PINELLAS COUNTY IN FLORIDA. * UNTIL 1045 AM EST. * AT 1013 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS WITH HAIL AND DAMAGING WINDS... FROM 13 MILES WEST OF LUTZ TO 19 MILES WEST OF ST. PETERSBURG BEACH...MOVING EAST AT 50 MPH. * SEVERE THUNDERSTORMS WILL AFFECT... ODESSA BY 1015 AM EST. HIGHPOINT BY 1025 AM EST. LAND O LAKES BY 1035 AM EST. LUTZ BY 1040 AM EST. KENNETH CITY BY 1045 AM EST. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND HAIL THE SIZE OF DIMES OR LARGER. MOVE TO A PLACE OF SAFETY. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY. DO NOT USE ELECTRICAL APPLIANCES OR TELEPHONES. $$ LAT...LON 2825 8271 2766 8277 2762 8236 2822 8230 NNNN
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 9:14 AM EST | Severe Thunderstorm Warning | TBW | Levy | 46 min |
| Mar 29, 9:25 AM EST | Severe Thunderstorm Warning | TBW | Citrus, Hernando | 50 min |
| Mar 29, 9:25 AM EST | Severe Thunderstorm Warning | TBW | Pasco, Pinellas | 50 min |
| Mar 29, 10:00 AM EST | Tornado Warning | TBW | Hernando, Pasco | 30 min |
| Mar 29, 10:10 AM EST | Severe Thunderstorm Warning | TBW | Sumter | 35 min |
| Mar 29, 10:33 AM EST | Severe Thunderstorm Warning | TBW | Pasco | 27 min |
| Mar 29, 10:45 AM EST | Severe Thunderstorm Warning | TBW | Polk | 45 min |
| Mar 29, 10:59 AM EST | Severe Thunderstorm Warning | TBW | Pasco, Sumter | 31 min |
| Mar 29, 11:30 AM EST | Severe Thunderstorm Warning | TBW | Hillsborough, Polk | 30 min |
| Mar 29, 2:50 PM EST | Severe Thunderstorm Warning | TBW | Manatee, Sarasota | 55 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2001Every severe thunderstorm warning in 2001
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.