Alert archive / Florida / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 2, NWS Tampa Bay, FL

February 8, 1986Charlotte County, DeSoto County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Feb 8, 1986, 1:45 PM EST for Charlotte County, DeSoto County, Florida. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Feb 8, 1986, 1:45 PM EST (18:45 UTC)
Expired
Feb 8, 1986, 2:30 PM EST
In force
45 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

Counties Charlotte County, FL, DeSoto 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, 6.8 hours before the alert went out and 90 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 1986-02-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1778 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 1986-02-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 square meters per square second.19395878Sfc1 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
1778 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
476 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.2

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, Feb 8, 11:00 AM EST, 2 hours 45 minutes before
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
1100 AM EST SAT FEB 8 1986

AT 1100 AM EST A VERY HEAVY THUNDERSTORM WAS JUST SOUTHWEST OF THE
MOUTH OF TAMPA BAY AND WAS MOVING RAPIDLY NORTHEAST AT 45 MPH. THIS
THUNDERSTORM WILL MOVE ACROSS SOUTH PINELLAS AND TAMPA BAY
BETWEEN 1100 AM AND 1130 AM EST THIS MORNING. THE THUNDERSTORM
WILL PRODUCE STRONG GUSTY WINDS BETWEEN 40 TO 50 MPH..HEAVY
RAINFALL AND POSSIBLY SOME HAIL AS IT STREAKS NORTHEAST.

NO SEVERE WEATHER HAS BEEN REPORTED DURING THE PAST HOUR AT
THE TAMPA BAY RUSKIN WEATHER OFFICE.

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 8, 8:35 AM ESTTornado WarningTBWHernando25 min
Feb 8, 8:55 AM ESTTornado WarningTBWCitrus, Hernando35 min
Feb 8, 9:05 AM ESTTornado WarningTBWSumter40 min
Feb 8, 1:45 PM ESTSevere Thunderstorm WarningTBWHardee, Highlands, Polk45 min

Nearby

Severe Thunderstorm Warnings in Florida, 1986Every severe thunderstorm warning in 1986

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.