Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 2, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Mar 30, 1990, 4:25 PM EST for Highlands County, Florida. It was in force for 50 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
- Mar 30, 1990, 4:25 PM EST (21:25 UTC)
- Expired
- Mar 30, 1990, 5:15 PM EST
- In force
- 50 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Highlands 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 |
|---|---|---|---|
| Mar 30, 5:00 PM EST | Thunderstorm Wind 50 | Highlands, 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, 9.4 hours before the alert went out and 112 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
- 783 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 66 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 302126 SVRTBW FLC055-302215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 425 PM EST FRI MAR 30 1990 THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA RUSKIN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM EST FOR PEOPLE... IN CENTRAL FLORIDA ...HIGHLANDS COUNTY A SEVERE THUNDERSTORM WAS INDICATED BY RADAR NEAR LAKE PLACID MOVING NORTH TOWARD SEBRING AT 15 MPH. 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 LOWEST FLOOR. STAY AWAY FROM WINDOWS. IF YOU SEE A TORNADO... HAIL OR DAMAGING WIND... CALL YOUR LOCAL SHERIFFS OFFICE OR COUNTY EMERGENCY OPERATIONS CENTER AND REQUEST THEY RELAY THIS INFORMATION TO THE NATIONAL WEATHER SERVICE.
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, Mar 30, 2:46 PM EST, 1 hour 39 minutes before
FLZ010-013-014-015-018-302045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL ISSUED 240 PM EST FRI MAR 30 1990 .....THUNDERSTORMS ACCOMPANIED WITH LOCALLY HEAVY RAIN OVER FLORODA..... NUMEROUS THUNDERSTORMS ACCOMPANIED WITH LOCALLY HEAVY RAIN CONTINUED TO DEVELOPE OF THE PENINSULA OF FLORIDA. THEY WERE LOCATED NEAR CRYSTAL RIVER...SOUTHWEST TO NORTHWEST OF MELBOURNE...NORTHWEST OF VERO BEACH AND FROM EAST OF BONITA SPRINGS TO EAST OF FORT MYERS TO LAKE PLACID. TEMPORARY FLOODING OF FLOOD PRONE AND OTHER LOW LYING AREAS IS POSSIBLE ...DRIVERS AND OTHER PERSONS NEAR THESE AREAS SHOULD EXERCISE CAUTION... ADDITIONALLY...VISIBILITIES WILL BE REDUCED WITHIN THE RAINFALL AREAS. MOVEMENT WAS NORTH AT 10 MILES AN HOUR.
Special weather statement, Mar 30, 2:52 PM EST, 1 hour 33 minutes before
FLZ010-013-014-015-018-302045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL ISSUED 240 PM EST FRI MAR 30 1990 .....THUNDERSTORMS ACCOMPANIED WITH LOCALLY HEAVY RAIN OVER FLORIDA..... NUMEROUS THUNDERSTORMS ACCOMPANIED WITH LOCALLY HEAVY RAIN CONTINUED TO DEVELOPE OVER THE PENINSULA OF FLORIDA. THEY WERE LOCATED NEAR CRYSTAL RIVER...SOUTHWEST TO NORTHWEST OF MELBOURNE...NORTHWEST OF VERO BEACH AND FROM EAST OF BONITA SPRINGS TO EAST OF FORT MYERS TO LAKE PLACID. TEMPORARY FLOODING OF FLOOD PRONE AND OTHER LOW LYING AREAS IS POSSIBLE ...DRIVERS AND OTHER PERSONS NEAR THESE AREAS SHOULD EXERCISE CAUTION... ADDITIONALLY...VISIBILITIES WILL BE REDUCED WITHIN THE RAINFALL AREAS. MOVEMENT WAS NORTH AT 10 MILES AN HOUR.
Special weather statement, Mar 30, 3:39 PM EST, 46 minutes before
FLZ010-013-014-015-018-302145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 340 PM EST FRI MAR 30 1990 .....THUNDERSTORMS ACCOMPANIED WITH LOCALLY HEAVY RAIN OVER FLORIDA..... NUMEROUS THUNDERSTORMS WITH LOCALLY HEAVY RAIN CONTINUED TO DEVELOP OVER THE PENINSULA OF FLORIDA. THE STRONGEST THUNDERSTORMS THEY WERE LOCATED NEAR CRYSTAL RIVER... FROM MULBERRY TO ARCADIA TO SEBRING... AND EAST OF FORT MYERS ALONG THE CALOOSAHATCHEE RIVER TO LAKE OKEECHOBEE. STRONG GUSTY WINDS... SMALL HAIL.. DANGEROUS LIGHTNING AND TEMPORARY FLOODING OF FLOOD PRONE AND OTHER LOW LYING AREAS IS POSSIBLE ...MOTORISTS AND OTHER PEOPLE NEAR THESE AREAS SHOULD EXERCISE CAUTION. VISIBILITIES WILL BE REDUCED WITHIN THE RAINFALL AREAS. MOVEMENT WAS NORTH AT 10 MILES AN HOUR.
Nearby
Severe Thunderstorm Warnings in Florida, 1990Every severe thunderstorm warning in 1990
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.