Alert archive / Alabama / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 49, NWS Huntsville, AL

May 2, 2003DeKalb County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at May 2, 2003, 5:36 PM CDT for DeKalb County, Alabama. It was in force for 39 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
May 2, 2003, 5:36 PM CDT (22:36 UTC)
Expired
May 2, 2003, 6:15 PM CDT
In force
39 min
Issued by
NWS Huntsville, AL
Area
Counties, with a storm outline in the text

County DeKalb County, AL

The radar

The Northeast Alabama radar (KHTX), 67 km from the middle of the area, began a volume at 22:38 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.

The watch it was issued in

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

IssuedProductOfficeLasted
May 2, 1:55 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.6 hours before the alert went out and 150 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, Birmingham, AL at 12:00Z on 2003-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 134 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, Birmingham, AL at 12:00Z on 2003-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
134 J/kg
Mixed-layer CIN
-350 J/kg
Mixed-layer LCL
1399 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KHUN 022236
SVRHUN
ALC049-022315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
534 PM CDT FRI MAY 2 2003

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DEKALB COUNTY IN NORTHEAST ALABAMA

* UNTIL 615 PM CDT

* AT 530 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES WEST OF CROSSVILLE...MOVING EAST AT 15 
  MPH. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. ADDITIONAL  
  STRONG TO SEVERE THUNDERSTORMS WILL TRACK ACROSS DEKALB COUNTY     
  THROUGH 615 PM.


* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE... 
COLLINSVILLE...GERALDINE...LAKEVIEW AND FORT PAYNE.

STRONG DAMAGING WIND...AND LARGE HAIL ARE LIKELY WITH THIS STORM.
TAKE COVER IN A STURDY SHELTER UNTIL THE STORM PASSES. STAY AWAY FROM
WINDOWS.

LAT...LON 3443 8611 3420 8610 3421 8584 3441 8561

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 1:26 PM CDTSevere Thunderstorm WarningHUNJackson, Madison49 min
May 2, 1:47 PM CDTTornado WarningHUNJackson28 min
May 2, 1:57 PM CDTSevere Thunderstorm WarningHUNLauderdale48 min
May 2, 2:10 PM CDTSevere Thunderstorm WarningHUNDeKalb35 min
May 2, 2:15 PM CDTSevere Thunderstorm WarningHUNCullman, Marshall45 min
May 2, 2:17 PM CDTSevere Thunderstorm WarningHUNJackson28 min
May 2, 2:35 PM CDTSevere Thunderstorm WarningHUNDeKalb40 min
May 2, 2:39 PM CDTSevere Thunderstorm WarningHUNLauderdale51 min
May 2, 2:44 PM CDTSevere Thunderstorm WarningHUNCullman, Marshall31 min
May 2, 2:46 PM CDTSevere Thunderstorm WarningHUNJackson29 min
May 2, 2:58 PM CDTSevere Thunderstorm WarningHUNColbert, Franklin47 min
May 2, 3:17 PM CDTSevere Thunderstorm WarningHUNMarshall43 min
May 2, 3:20 PM CDTSevere Thunderstorm WarningHUNLawrence40 min
May 2, 3:25 PM CDTSevere Thunderstorm WarningHUNDeKalb50 min
May 2, 3:26 PM CDTSevere Thunderstorm WarningHUNColbert, Lauderdale49 min
May 2, 3:30 PM CDTSevere Thunderstorm WarningHUNLimestone, Madison60 min
May 2, 3:57 PM CDTSevere Thunderstorm WarningHUNLawrence48 min
May 2, 4:00 PM CDTSevere Thunderstorm WarningHUNJackson, Marshall45 min
May 2, 4:08 PM CDTSevere Thunderstorm WarningHUNMorgan52 min
May 2, 4:21 PM CDTSevere Thunderstorm WarningHUNFranklin39 min
May 2, 4:24 PM CDTSevere Thunderstorm WarningHUNDeKalb51 min
May 2, 4:32 PM CDTSevere Thunderstorm WarningHUNCullman58 min
May 2, 4:46 PM CDTSevere Thunderstorm WarningHUNJackson44 min
May 2, 4:48 PM CDTSevere Thunderstorm WarningHUNMarshall57 min
May 2, 4:51 PM CDTTornado WarningHUNCullman, Morgan39 min
May 2, 5:07 PM CDTSevere Thunderstorm WarningHUNCullman38 min

Nearby

Severe 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; radar from the NEXRAD Level II archive.