Alert archive / Florida / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 34, NWS Mobile, AL

March 12, 2003Escambia County, Florida; Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 12, 2003, 3:14 PM CST for Escambia County, Florida; Baldwin County, Alabama. It was in force for 31 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 12, 2003, 3:14 PM CST (21:14 UTC)
Expired
Mar 12, 2003, 3:45 PM CST
In force
31 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

Counties Baldwin County, AL, Escambia County, FL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.2 hours before the alert went out and 198 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, Slidell Radar S, LA at 12:00Z on 2003-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 251 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2003-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.19395878Sfc1 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
251 J/kg
Mixed-layer CIN
-156 J/kg
Mixed-layer LCL
643 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

463 
WUUS54 KMOB 122114
SVRMOB
ALC003-FLC033-122145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
314 PM CST WED MAR 12 2003

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BALDWIN COUNTY IN SOUTHWEST ALABAMA
  ESCAMBIA COUNTY IN NORTHWEST FLORIDA

* UNTIL 345 PM CST

* AT 314 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES NORTHWEST OF SUMMERDALE...MOVING EAST
  AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ELSANOR BY 335 PM CST
  SEMINOLE BY 345 PM CST

THE MAIN THREAT FROM THIS STORM WILL BE LARGE HAIL. IF IN THE PATH 
OF THIS STORM...TAKE COVER IN A STURDY SHELTER UNTIL THE STORM HAS 
PASSED.

LAT...LON 3058 8785 3040 8780 3045 8738 3067 8744

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 3:48 PM CSTSevere Thunderstorm WarningMOBEscambia27 min
Mar 12, 4:19 PM CSTSevere Thunderstorm WarningMOBEscambia26 min
Mar 12, 4:44 PM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa46 min
Mar 12, 5:34 PM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa41 min
Mar 12, 3:25 PM CSTSpecial Marine WarningMOB65 min
Mar 12, 4:28 PM CSTSpecial Marine WarningMOB2 hr
Mar 12, 4:28 PM CSTSpecial Marine WarningMOB2 hr

Nearby

Severe Thunderstorm Warnings in Florida, 2003Severe Thunderstorm Warnings in Alabama, 2003Every 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.