Alert archive / Florida / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 10, NWS Tampa Bay, FL

June 6, 1990Lee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 6, 1990, 5:04 PM EDT for Lee County, Florida. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1990, 5:04 PM EDT (21:04 UTC)
Expired
Jun 6, 1990, 6:00 PM EDT
In force
56 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Lee County, FL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 9.1 hours before the alert went out and 132 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 1990-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 1990-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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
9 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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, Jun 6, 4:19 PM EDT, 45 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, 28 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
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.

IssuedProductOfficeCountiesLasted
Jun 5, 8:06 PM EDTSevere Thunderstorm WarningTBWHighlands54 min
Jun 6, 4:54 PM EDTSevere Thunderstorm WarningTBWPasco51 min
Jun 6, 5:42 PM EDTSevere Thunderstorm WarningTBWCharlotte, DeSoto48 min
Jun 6, 7:20 PM EDTSevere Thunderstorm WarningTBWHillsborough55 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; the sounding from the Mesonet's radiosonde archive.