Alert archive / Florida / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 63, NWS Mobile, AL

March 13, 2003Okaloosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Mar 13, 2003, 5:22 PM CST for Okaloosa County, Florida. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 13, 2003, 5:22 PM CST (23:22 UTC)
Expired: Mar 13, 2003, 6:15 PM CST
In force: 53 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Okaloosa County, FL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 13, 3:10 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.4 hours before the alert went out and 220 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: 457 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 1223 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

060 
WUUS54 KMOB 132322
SVRMOB
FLC091-140015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
521 PM CST THU MAR 13 2003

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 615 PM CST

* AT 521 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 14 MILES NORTH OF GOOD HOPE TO 16
  MILES NORTHWEST OF GALLIVER...MOVING SOUTHEAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  GOOD HOPE...ESCAMBIA FARMS BY 535 PM CST
  BLACKMAN BY 540 PM CST
  PEADEN...CANNON TOWN BY 545 PM CST
  BAKER BY 550 PM CST

STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH
THESE STORMS.  IF IN THE PATH OF THESE STORMS...TAKE COVER IN A
STURDY SHELTER UNTIL THE STORMS HAVE PASSED.

LAT...LON 3099 8639 3099 8678 3049 8677 3080 8638

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 13, 2:06 AM CST	Severe Thunderstorm Warning	MOB	Escambia	39 min
Mar 13, 5:11 PM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	64 min
Mar 13, 5:33 PM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	42 min

Nearby

Severe Thunderstorm Warnings in Florida, 2003 Every severe thunderstorm warning in 2003

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.