Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 13, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 6, 1990, 8:37 PM EDT for Hillsborough County, Florida. It was in force for 53 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
- Jun 6, 1990, 8:37 PM EDT (00:37 UTC)
- Expired
- Jun 6, 1990, 9:30 PM EDT
- In force
- 53 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Hillsborough 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 |
|---|---|---|---|
| Jun 6, 8:45 PM EDT | Thunderstorm Wind 0 | Hillsborough, 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 00:00Z, 0.6 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
- 1470 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1438 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 11 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 070037 SVRTBW FLC057-070130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 837 PM EDT WED JUN 6 1990 THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA RUSKIN HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE... IN WEST CENTRAL FLORIDA ...NORTHERN HILLSBOROUGH COUNTY AND FOR THE COASTAL WATERS AROUND... ...HILLSBOROUGH COUNTY THE SEVERE THUNDERSTORM OVER HILLSBOROUGH COUNTY CONTINUES TO MOVE TOWARD THE WEST ABOUT 10 MPH. GUSTY WINDS AND HAIL RANGING FROM 1/4 INCH TO 3/4 INCH HAS BEEN REPORTED OVER THE COUNTY DURING THE PAST HOUR. 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. ANY MARINERS SHOULD SEEK SAFE HARBOR. 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, Jun 6, 4:19 PM EDT, 4 hours 18 minutes before
FLZ018-062215- SPECIAL WEATHER STATEMENT AND MARINE WEATHER STATEMENT... NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 415 PM EDT WED JUN 6 1990 .....STRONG THUNDERSTORMS OVER SOUTHWEST FLORIDA.... STRONG THUNDERSTORMS ARE MOVING INTO THE FORT MYERS AREA AND WILL BE MOVING INTO CHARLOTTE COUNTY WITHIN THE NEXT HOUR OR TWO. THE THUNDERSTORMS ARE MOVING TO THE WEST AT 5 TO 10 MPH. THE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS... HAIL.. DANGEROUS LIGHTNING AND TEMPORARY FLOODING OF FLOOD PRONE AND OTHER LOW LYING AREAS. PEOPLE NEAR THE THE THUNDERSTORMS SHOULD BE PREPARED TO SEEK SAFE SELTER. BOATERS SHOULD SEEK SAFE HARBOR BEFORE THESE THUNDERSTORMS MOVE OFF THE COASST WITH IN THE NEXT SEVERAL HOURS PRODUCING STRONG SHIFING WINDS AND ROUGH CONFUSED SEAS.
Special weather statement, Jun 6, 4:36 PM EDT, 4 hours 1 minute before
FLZ018-062215- SPECIAL WEATHER STATEMENT AND MARINE WEATHER STATEMENT... NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 415 PM EDT WED JUN 6 1990 .....STRONG THUNDERSTORMS OVER SOUTHWEST FLORIDA.... STRONG THUNDERSTORMS ARE MOVING INTO THE FORT MYERS AREA AND WILL BE MOVING INTO CHARLOTTE COUNTY WITHIN THE NEXT HOUR OR TWO. THE THUNDERSTORMS ARE MOVING TO THE WEST AT 5 TO 10 MPH. THE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS... HAIL.. DANGEROUS LIGHTNING AND TEMPORARY FLOODING OF FLOOD PRONE AND OTHER LOW LYING AREAS. PEOPLE NEAR THE THE THUNDERSTORMS SHOULD BE PREPARED TO SEEK SAFE SELTER. BOATERS SHOULD SEEK SAFE HARBOR BEFORE THESE THUNDERSTORMS MOVE OFF THE COA]ST WITH IN THE NEXT SEVERAL HOURS PRODUCING STRONG SHIFING WINDS AND ROUGH CONFUSED SEAS.
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 4:26 PM EDT | Severe Thunderstorm Warning | TBW | Hernando | 49 min |
| Jun 7, 5:31 PM EDT | Severe Thunderstorm Warning | TBW | Pinellas | 44 min |
| Jun 7, 5:42 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 48 min |
| Jun 7, 6:36 PM EDT | Severe Thunderstorm Warning | TBW | Sarasota | 69 min |
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.