Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 16, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Feb 25, 1992, 4:30 PM EST for Polk County, Florida. It was in force for 60 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 25, 1992, 4:30 PM EST (21:30 UTC)
- Expired
- Feb 25, 1992, 5:30 PM EST
- In force
- 60 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Polk County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 25, 4:54 PM EST | Thunderstorm Wind 0 | Polk, FL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 9.5 hours before the alert went out and 74 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
- 56 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 934 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 296 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Feb 25, 12:05 PM EST, 4 hours 25 minutes before
FLZ013-261900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 1205 PM EST FEB 25 1992 AN AREA OF SHOWERS AND A FEW THUNDERSTORMS...WITH VERY HEAVY RAIN... CONTINUES TO DEVELOP JUST OFF THE WEST COAST FORM THE TAMPA BAY AREA SOUTH TO SARASOTA. THESE VERY HEAVY SHOWERS WILL BE MOVING ONSHORE AND INLAND FOR THE NEXT FEW HOURS. RESIDENTS AND MOTORISTS IN HILLSBOROUGH... MANATEE AND SARASOTA COUNTIES SHOULD BE ON THE ALERT FOR LOCAL FLOODING AND USE CAUTION WHEN DRIVING.
Special weather statement, Feb 25, 12:14 PM EST, 4 hours 16 minutes before
FLZ013-261900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 1205 PM EST FEB 25 1992 AN AREA OF SHOWERS AND A FEW THUNDERSTORMS...WITH VERY HEAVY RAIN... CONTINUES TO DEVELOP JUST OFF THE WEST COAST FORM THE TAMPA BAY AREA SOUTH TO SARASOTA. THESE VERY HEAVY SHOWERS WILL BE MOVING ONSHORE AND INLAND FOR THE NEXT FEW HOURS. RESIDENTS AND MOTORISTS IN HILLSBOROUGH... ...PINELLAS...MANATEE AND SARASOTA COUNTIES SHOULD &BE ON THE ALERT FOR LOCAL FLOODING AND USE CAUTION WHEN DRIVING.
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 3:22 PM EST | Tornado Warning | TBW | Polk | 53 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1992Every severe thunderstorm warning in 1992
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.