Alert archive / Florida / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 44, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Apr 28, 1997, 11:42 AM EDT for Hillsborough County, Florida. It was in force for 48 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
- Apr 28, 1997, 11:42 AM EDT (15:42 UTC)
- Expired
- Apr 28, 1997, 12:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Hillsborough County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 28, 11:55 AM EDT | Tornado F0 | Tampa, FL | A tornado touched down on 10th Street and Martin Luther King Blvd and downed several trees and power lines. The tornado continued northeast across a residential area where it caused minor roof and garage damage and downed a few trees and power lines. A small |
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.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 3.7 hours before the alert went out and 23 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
- 1286 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 8.2
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.
NWS Tampa Bay, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 28, 10:00 AM EDT, 1 hour 42 minutes earlier.
Area forecast discussion, Apr 28, 10:00 AM EDT, 1 hour 42 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL 955 AM EDT MON APR 28 1997 TEMPERATURES ALOFT RELATIVELY WARM THEREFORE ATMOSPHERE IS NOT AS UNSTABLE AS IT COULD BE. LARGE AREA OF RAIN AND EMBEDDED THUNDERSTORMS OVER GULF AND WEST COAST CONTINUES MOVING EASTERLY. MAIN THREAT TODAY IS HEAVY RAIN WITH ANOTHER 2 TO 3 INCHES EXPECTED. MINOR COASTAL FLOODING IS EXPECTED FROM STRONG ONSHORE WINDS. THE GREATEST COASTAL FLOOD THREAT IS THROUGH HIGH TIDE WHICH WILL BE AROUND 6 PM. STRONG VERTICAL SHEAR KEEPS THREAT OF ORGANIZED CONVECTION BUT STRONG INSTABILITY IS LACKING. 03
In the hours before
Special weather statement, Apr 28, 6:14 AM EDT, 5 hours 28 minutes before
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</html>Special weather statement, Apr 28, 8:35 AM EDT, 3 hours 7 minutes before
FLZ039-042-048-049-050-051-055-060-062-065-504-505-281830-
SPECIAL WEATHER AND MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
835 AM EDT MON APR 28 1997
...THREAT FOR MINOR COASTAL FLOODING EXISTS AT TIME OF HIGH TIDE...
STRONG SOUTH WINDS WILL VEER AROUND TO SOUTHWEST TODAY ALLOWING WATER TO
PILE UP ALONG THE COAST. EXPECT TIDES TO BE ABOUT 2 FEET ABOVE WHAT YOU
WOULD EXPECT FOR A NORMAL HIGH TIDE. HIGH TIDE WILL BE AT ...
FT MYERS... 806 PM
ST PETE PIER... 558 PM
CLEARWATER... 337 PM
OZELLO... 1107 AM
CEDAR KEY... 528 PM
EXPECT WATER LEVELS TO REACH AT THE TIME OF HIGH TIDE...
FT MYERS... 2 FEET ABOVE MSL
ST PETE PIER... 3 1/2 FEET ABOVE MSL
CLEARWATER... 3 1/2 FEET ABOVE MSL
OZELLO... 2 1/2 FEET ABOVE MSL
CEDAR KEY... 3 1/2 FEET ABOVE MSL
THE COMBINATION OF HIGHER WATER LEVELS AND WAVE ACTION WILL PRODUCE
SOME FLOODING OF IMMEDIATE COASTAL FLOOD PRONE AREAS. THERE MAY BE SOME
WAVES OVER SEA WALLS AND FLOODING OF LOW LYING COASTAL ROADS.
THOSE PERSONS IN AREAS PRONE TO COASTAL FLOODING WILL NEED TO PAY CLOSE
ATTENTION TO THE RISING WATERS. ANOTHER STATEMENT WILL BE ISSUED LATER
TODAY IF THE SITUATION WARRANTS.
SOBIENSpecial weather statement, Apr 28, 8:57 AM EDT, 2 hours 45 minutes before
FLZ039-042-048-049-050-051-055-060-062-065-504-505-281830-
SPECIAL WEATHER AND MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
250 PM EDT MON APR 28 1997
...THREAT FOR MINOR COASTAL FLOODING CONTINUES...
STRONG SOUTH TO SOUTHWEST WINDS ARE PUSHING GULF WATERS TOWARDS THE COAST.
TIDES ARE RUNNING ABOUT 2 FEET ABOVE NORMAL THIS AFTERNOON.
HIGH TIDE WILL BE AT ...
FT MYERS... 806 PM
ST PETE PIER... 558 PM
CLEARWATER... 337 PM
FLORIDA POWER...522 PM
CEDAR KEY... 528 PM
EXPECT WATER LEVELS AT THE TIME OF HIGH TIDE TO REACH...
FT MYERS... 2.5 FEET ABOVE MSL
ST PETE PIER... 3.5 FEET ABOVE MSL
CLEARWATER... 3.5 FEET ABOVE MSL
FLORIDA POWER... 4.0 FEET ABOVE MSL
CEDAR KEY... 4.0 FEET ABOVE MSL
THE COMBINATION OF HIGHER WATER LEVELS AND WAVE ACTION WILL PRODUCE
SOME FLOODING OF IMMEDIATE COAST.AL FLOOD PRONE AREAS. SOME
WAVES WILL SPLASH OVER SEA WALLS AND FLOODING OF LOW LYING COASTAL
ROADS MAY OCCUR.
PEOPLE IN AREAS PRONE TO COASTAL FLOODING SHOULD PAY CLOSE
ATTENTION TO THE RISING WATERS.The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 11:50 AM EDT | Tornado Warning | TBW | Hillsborough | 25 min |
| Apr 28, 12:11 PM EDT | Tornado Warning | TBW | Pasco | 34 min |
| Apr 28, 12:20 PM EDT | Tornado Warning | TBW | Polk | 40 min |
| Apr 28, 1:02 PM EDT | Tornado Warning | TBW | Hardee, Polk | 43 min |
| Apr 28, 1:15 PM EDT | Tornado Warning | TBW | DeSoto, Hardee | 45 min |
| Apr 28, 1:37 PM EDT | Tornado Warning | TBW | Charlotte, Lee | 53 min |
| Apr 28, 1:39 PM EDT | Tornado Warning | TBW | Highlands | 66 min |
| Apr 28, 1:46 PM EDT | Tornado Warning | TBW | Polk | 59 min |
| Apr 28, 2:42 PM EDT | Severe Thunderstorm Warning | TBW | Lee | 63 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1997Every severe thunderstorm warning in 1997
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.