Alert archive / Florida / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 21, NWS Tampa Bay, FL

September 10, 1988Manatee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Sep 10, 1988, 6:46 PM EDT for Manatee County, Florida. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Sep 10, 1988, 6:46 PM EDT (22:46 UTC)
Expired
Sep 10, 1988, 7:15 PM EDT
In force
29 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.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 10.8 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 1988-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 902 joules per kilogram.LCLLFCEL10008507005003002001001 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 1988-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
902 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
701 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTBW 102251 RRA
SVRTBW
FLC081-102315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
646 PM EDT SAT SEP 10 1988
 
THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA RUSKIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL FLORIDA
          ...WESTERN MANATEE
 
AND ADJOINING COASTAL WATERS
 
RADAR INDICATED A VERY STRONG THUNDERSTORM OVER WESTERN MANATEE
COUNTY. THE STORM WAS MOVING TOWARD THE WEST AT 15 MILES AND HOUR AND
SHOULD BE OFFSHORE SHORTLY. THE STORM IS A DANGEROUS STORM WITH
FREQUENT LIGHTNING..STRONG GUSTY WINDS AND THE POSSIBILITY FOR
DAMAGING HAIL.
 
BOATERS IN THE AFFECTED AREA SHOULD MAY WAY TO AVOID THIS STORM.

Nearby

Severe Thunderstorm Warnings in Florida, 1988Every severe thunderstorm warning in 1988

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.