Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 103, NWS Mobile, AL

April 24, 2000Okaloosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Apr 24, 2000, 6:41 AM CDT for Okaloosa County, Florida. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 24, 2000, 6:41 AM CDT (11:41 UTC)
Expired: Apr 24, 2000, 7:30 AM CDT
In force: 49 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Okaloosa County, FL

What was reported inside it

Time	Report	Where	Remark
Apr 24, 6:50 AM CDT	Hail 0.75	Niceville, FL	Dime size hail fell at the Jackson Guard.

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.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2427 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 99 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 
WUUS54 KMOB 241143
SVRMOB
FLC091-241230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
641 AM CDT MON APR 24 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OKALOOSA COUNTY IN FLORIDA

* UNTIL 730 AM CDT

* AT 641 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM ALONG A LINE EXTENDING FROM 15 MILES NORTH OF
  CRESTVIEW TO 8 MILES SOUTHWEST OF CRESTVIEW TO 3 MILES NORTHWEST OF
  MARY ESTHER...MOVING EAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  MARY ESTHER AT 645 AM CDT
  CRESTVIEW...WRIGHT AT 650 AM CDT
  FORT WALTON BEACH...OCEAN CITY AT 655 AM CDT
  NICEVILLE...VALPARAISO AT 705 AM CDT
  DESTIN AT 710 AM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MXOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN MOBILE.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 24, 5:24 AM CDT	Severe Thunderstorm Warning	MOB	Escambia	36 min
Apr 24, 5:47 AM CDT	Severe Thunderstorm Warning	MOB	Santa Rosa	43 min
Apr 24, 6:11 AM CDT	Tornado Warning	MOB	Santa Rosa	34 min
Apr 24, 12:27 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	33 min

Nearby

Severe Thunderstorm Warnings in Florida, 2000 Every severe thunderstorm warning in 2000

Sources

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.