Alert archive / Alabama / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 219

May 3, 200310 counties in Alabama; 9 counties in Florida; 9 counties in Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at May 3, 2003, 9:15 AM CDT for 10 counties in Alabama; 9 counties in Florida; 9 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 3, 2003, 9:15 AM CDT (14:15 UTC)
Expired
May 3, 2003, 3:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 28 counties

Baldwin County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Escambia County, AL, Geneva County, AL, Houston County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Forrest County, MS, George County, MS, Greene County, MS, Harrison County, MS, Jackson County, MS, Jones County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

Warnings issued inside it

12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 3, 9:16 AM CDTSevere Thunderstorm WarningMOBClarke, Monroe44 min
May 3, 9:37 AM CDTSevere Thunderstorm WarningMOBConecuh53 min
May 3, 10:01 AM CDTSevere Thunderstorm WarningMOBClarke, Monroe59 min
May 3, 10:18 AM CDTSevere Thunderstorm WarningMOBWashington57 min
May 3, 10:26 AM CDTSevere Thunderstorm WarningMOBEscambia64 min
May 3, 10:59 AM CDTSevere Thunderstorm WarningMOBBaldwin61 min
May 3, 11:34 AM CDTSevere Thunderstorm WarningMOBMobile56 min
May 3, 12:19 PM CDTSevere Thunderstorm WarningMOBBaldwin56 min
May 3, 12:34 PM CDTSevere Thunderstorm WarningMOBMobile56 min
May 3, 12:54 PM CDTTornado WarningMOBMobile66 min
May 3, 2:47 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington28 min
May 3, 2:55 PM CDTSevere Thunderstorm WarningMOBWashington50 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 2.3 hours before the alert went out and 213 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 2003-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1897 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2003-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
1897 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
750 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 7:38 PM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 36 more97 min
May 3, 8:45 AM CDTMesoscale DiscussionSPCCoffee, Conecuh, Covington, Dale, Escambia, Geneva and 2 more2 hr
May 3, 11:24 AM CDTMesoscale DiscussionSPCBaldwin, Escambia, Mobile2 hr
May 3, 4:36 PM CDTMesoscale DiscussionSPCChoctaw, Mobile, Washington114 min
May 3, 2:36 AM CDTMesoscale DiscussionSPCBolivar, Carroll, Coahoma, DeSoto, Grenada, Humphreys and 12 more24 min
May 3, 12:29 PM CDTMesoscale DiscussionSPCClaiborne, Copiah, Hinds, Issaquena, Jefferson, Lawrence and 1 more3 hr
May 3, 4:45 PM CDTSevere Thunderstorm WatchSPCAdams, Amite, Claiborne, Clarke, Copiah, Covington and 27 more5 hr

Nearby

Severe Thunderstorm Watches in Alabama, 2003Severe Thunderstorm Watches in Florida, 2003Severe Thunderstorm Watches in Mississippi, 2003Every severe thunderstorm watch 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.