Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 248, NWS Mobile, AL

July 18, 1995Okaloosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jul 18, 1995, 4:11 PM CDT for Okaloosa County, Florida. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Jul 18, 1995, 4:11 PM CDT (21:11 UTC)
Expired
Jul 18, 1995, 5:15 PM CDT
In force
64 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Okaloosa County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.2 hours before the alert went out and 221 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, Tallahassee Rgnl, FL at 12:00Z on 1995-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 317 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, Tallahassee Rgnl, FL at 12:00Z on 1995-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
317 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
60 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 KMOB 182111 RRA
SVRMOB
FLC091-FLZ506-182215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MOBILE AL
411 PM CDT TUE JUL 18 1995
 
THE NATIONAL WEATHER SERVICE IN MOBILE AL HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST FLORIDA
 
   ...SOUTHERN OKALOOSA COUNTY
 
  AND FOR THE COASTAL WATERS OF
 
   ...NAVARRE  TO  DESTIN
 
AT 410 PM CDT MOBILE DOPPLER WEATHER RADAR INDICATED A SEVERE
THUNDERSTORM BETWEEN VALPARAISO AND FREEPORT MOVING SOUTHWEST AT 15 MPH.
THIS THUNDERSTORM WILL MOVE INTO THE FLORIDA COASTAL WATERS BY 445 PM.
THE MAIN THREAT FROM THIS THUNDERSTORM IS LARGE HAIL AND HIGH WINDS IN
EXCESS OF 55 MPH.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

Nearby

Severe Thunderstorm Warnings in Florida, 1995Every severe thunderstorm warning in 1995

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.