Severe Thunderstorm Warning 84, NWS Mobile, AL

Issued

Apr 18, 1996, 7:55 AM CDT (12:55 UTC)

Expired

Apr 18, 1996, 9:00 AM CDT

In force

65 min

Issued by

NWS Mobile, AL

Area

Whole counties

County Okaloosa County, FL

000 
TTAA00 KMOB 181253
SVRMOB
FLC091-181400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
755 AM CDT THU APR 18 1996
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST FLORIDA
 
   ...OKALOOSA COUNTY
 
 
AT 755 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM MOVING INTO SOUTHERN OKALOOSA COUNTY FROM THE WEST. THIS
STORM HAS HAD A HISTORY OF PRODUCING LARGE HAIL...FREQUENT LIGHTNING AND
STRONG GUSTY WINDS.
 
MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR.
 
THIS STORM WILL BE AFFECTING THE AREAS OF FT WALTON BEACH...DESTIN
AND VALPARAISO DURING THE NEXT HOUR.
 
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 ORX BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

NWS Mobile, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 18, 3:20 AM CDT, 4 hours 35 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOBILE AL
310 AM CDT THU APR 18 1996

05Z SFC ANALYSIS SHOWS HIGH PRESSURE CENTERED OVR THE NE FL CST REGION
WITH WEAK RIDGING EXTENDING WEST OVR THE N GULF TO JUST E OF THE MOUTH OF THE
MS RVR.  DEWPTS IN THE MID 50S CONTINUE TO CREEP NORTHWARD OVR SE MS AND
EXTREME SW AL.   LATEST GRIDDED DATA DEPICTS SOUTHERLY FLOW FROM THE GULF
TO CONTINUE NEAR THE SFC THRU 48 HRS.  ALOFT MID LEVL FORCING WAS NOTICED
FROM 18Z TO BETWEEN 00Z AND 06Z FOR MOST OF THE FA...MAINLY AN EXTENSION
OF MAIN S/W OVR THE MID MS VALLEY AT THIS TIME.  ON I288 TO I300 SFC GOOD
LIFT IS DEPICTED FROM 18Z TO SHORTLY AFTER 00Z WITH HIGHER THAN EXPECTED
MEAN VV`S FOR MOST THE FA.  WITH CAPE VALUES GREATER THAN 1000 J/KG AND LI`S
NEARING -4 BY LATE THIS AFTERNOON AND SOME DRYING OCCURING FIRST NEAR 500 MB
BY 00Z SOME THUNDERSTORMS MAY BECOME STRONG BY LATE THIS AFTERNOON AND EARLY
THIS EVENING ALONG THE CST. MAY NEED TO MONITOR DEVELOPING SITUATION THOUGHOUT
THE DAY.  BY 06Z SUFFICIENT DRYING IN THE MID LEVLS CONTINUES AS WINDS ALOFT BEGTO VEER TO THE SW ALLOWING FOR LESSER RAIN CHANCES FOR THE REMAINDER OF THE PD.
WITH THIS AND AS PER CONVERSATION W/ BHM WOULD LIKE TO RAISE POPS TO NEAR 50%
FOR MOST OF THE FA TODAY BECOMING LIKELY BY LATE AFTERNOON NEAR THE CST.  WILL
STAY CLOSE TO FWC LATEST TEMPS FOR NOW.
(1) 74/61/81/66 5311  (2) 73/64/79/67 5321

Severe Thunderstorm Warnings in Florida, 1996Every severe thunderstorm warning in 1996

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.