Alert archive / Florida / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 7, NWS Tallahassee, FL

February 8, 1986Taylor County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 8, 1986, 5:15 AM EST for Taylor County, Florida. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Feb 8, 1986, 5:15 AM EST (10:15 UTC)
Expired
Feb 8, 1986, 6:00 AM EST
In force
45 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Taylor 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

Apalachicola Mun, FL (KAQQ), launched 00:00Z, 10.3 hours before the alert went out and 137 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, Apalachicola Mun, FL at 00:00Z on 1986-02-08Temperature 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, Apalachicola Mun, FL at 00:00Z on 1986-02-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 square meters per square second.1939587897Sfc1 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
1790 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
65 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 KTLH 081017 RRA
SVRTLH
FLC123-081100-

BULLETIN -- IMMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
515 AM EST SAT FEB 8 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 6 AM EST FOR PERSONS IN THE FOLLOWING COUNTIES IN

NORTH FLORIDA...TAYLOR.

AT 515 AM RADAR SHOWED A POSSIBLY SEVERE THUNDERSTORM ABOUT 15 MILES
OFF THE COAST OF TAYLOR COUNTY. THE THUNDERSTORM WAS MOVING EAST
AT ABOUT 35 MILES AN HOUR AND WILL HIT THE COAST BETWEEN BEFORE 6 AM
THIS MORINING.

PERSONS ALONG THE COAST SHOULD PREPARED TO GO TO A SAFE SHELTER AS THIS
STORM APPROACHES. BOATERS ALONG THE TAYLOR COUNTY COAST SHOULD,
IMMEDIATLY SEEK SAFE HARBOR.

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, 3:43 AM EST, 1 hour 32 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE APALACHICOLA FL
340 AM EST SAT FEB 8 1986

AT 325 AM EST A LARGE AREA OF RAIN ALONG WITH WIDELY SCATTERED VERY
HEAVY THUNDERSTORMS COVERED MOST OF THE FLORIDA PANHANDLE AND ALSO
REACHED OFFSHORE FOR UP TO 75 MILES. THIS AREA ALSO EXTENDED INTO
EXTREME SOUTHEAST EAST ALABAMA AND SOUTHWEST GEORGIA.

THE HEAVIEST THUNDERSTORMS WERE ABOUT 20 MILES SOUTH OF APALACHICOLA..
JUST SOUTH OF CHATTAHOOCHEE..10 MILES SOUTH OF MARIANNA..AND 15 MILES
NORTH OF PANAMA CITY.

MOVEMENT WAS TO THE NORTHEAST AT 40 MILES AN HOUR.

THESE THUNDERSTORMS MAY PRODUCE DANGEROUS LIGHTNING..BRIEF VERY HEAVY
RAIN..STRONG GUSTY WINDS..AND ROUGH SEAS.

RESIDENTS AND MARINERS SHOULD BE ALERT TO THE POSSIBILITY OF SEVERE
WEATHER AND BE PREPARED TO SEEK SAFE SHELTER.
Special weather statement, Feb 8, 4:43 AM EST, 32 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE APALACHICOLA FL
443 AM EST SAT FEB 8 1986

AT 431 AM EST A LARGE AREA OF RAIN ALONG WITH WIDELY SCATTERED VERY
HEAVY THUNDERSTORMS COVERED MOST OF THE FLORIDA PANHANDLE AND ALSO
REACHED OFFSHORE FOR UP TO 100 MILES. THIS AREA ALSO EXTENDED INTO
EXTREME SOUTHEAST EAST ALABAMA AND SOUTHWEST GEORGIA.

THE HEAVIEST THUNDERSTORMS WERE BETWEEN MARIANNA FLORIDA AND BAINBRIDGE
GEORGIA..AND ALONG THE COAST 30 MILES NORTHEAST OF PANAMA CITY.

OVER THE GULF..THE HEAVIEST THUNDERSTORMS WERE ABOUT 20 MILES SOUTH OF
ST MARKS..AND 25 MILES SOUTHWEST AND SOUTHEAST OF PENSACOLA.

THESE THUNDERSTORMS MAY PRODUCE DANGEROUS LIGHTNING..BRIEF VERY HEAVY
RAIN..STRONG GUSTY WINDS..AND ROUGH SEAS.

RESIDENTS AND MARINERS SHOULD BE ALERT TO THE POSSIBILITY OF SEVERE
WEATHER AND BE PREPARED TO SEEK SAFE SHELTER.
Special weather statement, Feb 8, 4:45 AM EST, 30 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE APALACHICOLA FL
443 AM EST SAT FEB 8 1986

AT 431 AM EST A LARGE AREA OF RAIN ALONG WITH WIDELY SCATTERED VERY
HEAVY THUNDERSTORMS COVERED MOST OF THE FLORIDA PANHANDLE AND ALSO
REACHED OFFSHORE FOR UP TO 100 MILES. THIS AREA ALSO EXTENDED INTO
EXTREME SOUTHEAST EAST ALABAMA AND SOUTHWEST GEORGIA.

THE HEAVIEST THUNDERSTORMS WERE BETWEEN MARIANNA FLORIDA AND BAINBRIDGE
GEORGIA..AND ALONG THE COAST 30 MILES NORTHEAST OF PANAMA CITY.

OVER THE GULF..THE HEAVIEST THUNDERSTORMS WERE ABOUT 20 MILES SOUTH OF
ST MARKS..AND 25 MILES SOUTHWEST AND SOUTHEAST OF PENSACOLA.

THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AROUND 45 MILES AN HOUR.

THESE THUNDERSTORMS MAY PRODUCE DANGEROUS LIGHTNING..BRIEF VERY HEAVY
RAIN..STRONG GUSTY WINDS..AND ROUGH SEAS.

RESIDENTS AND MARINERS SHOULD BE ALERT TO THE POSSIBILITY OF SEVERE
WEATHER AND BE PREPARED TO SEEK SAFE SHELTER.

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.