Alert archive / Florida / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 13, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at May 28, 1989, 4:28 PM EDT for Manatee County, Florida. It was in force for 62 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
- May 28, 1989, 4:28 PM EDT (20:28 UTC)
- Expired
- May 28, 1989, 5:30 PM EDT
- In force
- 62 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Manatee County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 28, 4:45 PM EDT | Hail 0.88 | Manatee, 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, 8.5 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTBW 282026
SVRTBW
FLC081-282130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
428 PM EDT SUN MAY 28 1989
THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA RUSKIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL FLORIDA
...MANATEE
RADAR INDICATED A SEVERE THUNDERSTORM OVER MUCH OF MANATEE COUNTY. THE
THUNDERSTORM WAS STATIONARY.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING. MOVE TO
AN INTERIOR ROOM ON THE LOWESTv FLOOR. STAY AWAY FROM WINDOWS.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, May 28, 2:17 PM EDT, 2 hours 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 215 PM EDT SUN MAY 28 1989 ...STRONG THUNDERSTORMS DEVELOPING OVER WEST CENTRAL FLORIDA... ...THIS STATEMENT IS FOR THE FOLLOWING COUNTIES OF WEST CENTRAL FLORIDA... CITRUS... HERNANDO... PASCO... PINELLAS... HILLSBOROUGH... POLK... MANATEE... AND SARASOTA. AT 200 PM... NATIONAL WEATHER SERVICE RADAR SHOWED DEVELOPING THUNDERSTORMS OVER WEST CENTRAL FLORIDA. THE STRONGEST THUNDERSTORMS WERE OVER HERNANDO AND PASCO COUNTIES. HEAVY RAIN IS WELCOME BUT RESIDENTS SHOULD BE PREPARED FOR STRONG GUSTY WINDS... FREQUENT LIGHTNING STRIKES AND POSSIBLY SOME SMALL HAIL FOR THE NEXT SEVERAL HOURS. THE DEVELOPING THUNDERSTORMS HAVE SHOWN LITTLE MOVEMENT FOR THE PAST HOUR.
Special weather statement, May 28, 2:33 PM EDT, 1 hour 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 215 PM EDT SUN MAY 28 1989 ...STRONG THUNDERSTORMS DEVELOPING OVER WEST CENTRAL FLORIDA... ...THIS STATEMENT IS FOR THE FOLLOWING COUNTIES OF WEST CENTRAL FLORIDA... CITRUS... HERNANDO... PASCO... PINELLAS... HILLSBOROUGH... POLK... MANATEE... AND SARASOTA. AT 200 PM... NATIONAL WEATHER SERVICE RADAR SHOWED DEVELOPING THUNDERSTORMS OVER WEST CENTRAL FLORIDA. THE STRONGEST THUNDERSTORMS WERE OVER HERNANDO AND PASCO COUNTIES. HEAVY RAIN IS WELCOME BUT RESIDENTS SHOULD BE PREPARED FOR STRONG GUSTY WINDS... FREQUENT LIGHTNING STRIKES AND POSSIBLY SOME SMALL HAIL FOR THE NEXT SEVERAL HOURS. THE DEVELOPING THUNDERST&ORMS HAVE SHOWN LITTLE MOVEMENT FOR THE PAST HOUR.
Special weather statement, May 28, 3:43 PM EDT, 45 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
330 PM EDT SUN MAY 28 1989
...STRONG THUNDERSTORMS OVER WEST FLORIDA...
AT 330 PM RADAR SHOWED STRONG THUNDERSTORMS OVER WEST FLORIDA FROM
CITRUS COUNTY SOUTH ACROSS THE TAMPA BAY TO SOUTHERN SARASOTA COUNTY
AND INLAND TO THE CENTER OF THE PENINSULA. A SINGLE THUNDERSTORM WAS
ON THE EAST SIDE OF THE PENINSULA 20 MILES INLAND FROM COCOA.
THESE S_TORMS WERE NOT MOVING VERY MUCH AND AS A RESULT THOSE AREAS
EXPERIENCING THE STORMS WILL RECEIVE VERY HEAVY RAIN. RESIDENTS
SHOULD BE ALERT FOR LOCALIZED STREET FLOODING UNTIL THESE STORMS SUBSIDE
LATER THIS AFTERNOON.The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 2:15 PM EDT | Severe Thunderstorm Warning | TBW | Pasco | 60 min |
| May 28, 2:39 PM EDT | Severe Thunderstorm Warning | TBW | Sarasota | 66 min |
| May 28, 3:06 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 69 min |
| May 28, 6:57 PM EDT | Severe Thunderstorm Warning | TBW | Citrus | 63 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1989Every severe thunderstorm warning in 1989
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.