Severe Thunderstorm Warning 38, NWS Tallahassee, FL

Issued

Mar 7, 1998, 1:48 PM CST (19:48 UTC)

Expired

Mar 7, 1998, 2:35 PM CST

In force

47 min

Issued by

NWS Tallahassee, FL

Area

Whole counties

County Bay County, FL

The Eglin Afb radar (KEVX), 46 km from the middle of the area, began a volume at 19:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

663 
WUUS1 KTLH 071950 RRA
SVRTLH
FLC005-072035-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
248 PM EST SAT MAR 7 1998

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE FL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 235 PM CST (335 PM EST)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN FLORIDA

   ...SOUTHEASTERN BAY COUNTY

AT 147 PM CST... DOPPLER RADAR AT TALLAHASSEE INDICATED A SEVERE
THUNDERSTORM WITH LARGE HAIL MOVING TOWARD THE MEXICO BEACH AREA.
THE STORM IS MOVING EAST AT 35 MPH.





WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 7, 1:30 PM CST, 18 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TALLAHASSEE FL
230 PM EST SAT MAR 7 1998

MODELS CONTINUE IN GOOD AGREEMENT ON UPPER LEVEL PATTERN IN 12Z
RUN...SHOWING CONSISTENT HANDLING OF VORT MAX COMING OUT OF THE
SOUTHWEST TODAY.  ALL SHOW CLOSED UPPER CENTER OVER SERN NM/WRN TX
TONIGHT...MOVING OVER NRN TX EARLY TOMORROW MORNING BEFORE STARTING
TO LIFT TOWARD THE OH VLY TOMORROW.  THIS MAY BE A LITTLE SLOWER
THAN THE PREVIOUS RUN.  AS THIS OCCURS...EXPECT LONGITUDINALLY
ORIENTED COLD FRONT TO FORM OVER LWR MS VLY BY SUN MORN THEN SWEEP
QUICKLY EWD ACROSS GULF STATES...APPROACHING FA BY SUN NIGHT.
AHEAD OF THIS FRONT SFC AND 850 GRADIENT ARE FORECAST TO TIGHTEN
EVEN MORE THAN PREVIOUS RUN.  SFC WINDS WILL REMAIN GENERALLY SLY
AT 15 TO 20 KTS...WITH HIGHER GUSTS...UNTIL LATE IN THE PERIOD WHEN
THEY FINALLY SWING MORE WLY. THUS MEAN RH WILL CONTINUE OVER 70%
THROUGH THE FIRST PART OF THE PD THEN SLOWLY DECREASE.  SATELLITE
IR STILL SHOWS SOME COLD TOPS...MOSTLY OFFSHORE...BUT FOR THE MOST
PART ARE WARMING SLIGHTLY.  RAINFALL RATES HAVE DECREASED TO .25 TO
.50 INCH OVER MOST OF THE AREA.  IN THE WRN PART OF FA HAVE REPORTS
OF +4 INCHES OVER PAST 24 HR SO BELIEVE FLOOD WATCH IS ADVISABLE.
STILL BELIEVE AXIS OF HEAVIEST PCPN WILL LIE ACROSS WRN PART OF FA.
HIGHEST SEVERE THREAT STILL SUN AFTERNOON WITH POTENTIAL FOR SQUALL
LINE IN ADVANCE OF APPROACHING COLD FRONT.  HIGHEST OMEGA VALUES
AND HIGHEST MEAN RH VALUES FOR TLH COINCIDE BETWEEN 8/18Z AND
9/00Z...AT WHICH TIME BEST HELICITY IS TO NE WHILE STRONGEST CAPE
(AOA 2500 J/KG) IS TO THE WEST.  LOOKS LIKE POTENTIAL FOR SEVERE WX
FOR WRN PORTIONS OF FA SUN AFTERNOON.  EXPECT LOWS TONIGHT IN THE
LOW TO MID 60S...HIGHS SUN IN THE LOW TO MID 70S.  BEHIND THE FRONT
COOLER AIR WILL MEAN LOWS IN THE UPPER 50S FOR ERN PORTIONS OF
FA...LOWER 50 CENTRAL...UPPER 40S WRN.

Severe Thunderstorm Warnings in Florida, 1998Every severe thunderstorm warning in 1998

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.