Alert archive / Alabama / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 95, NWS Birmingham, AL

March 19, 2003St. Clair County, Talladega County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 19, 2003, 2:29 PM CST for St. Clair County, Talladega 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 19, 2003, 2:29 PM CST (20:29 UTC)
Expired: Mar 19, 2003, 3:00 PM CST
In force: 31 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

Counties St. Clair County, AL, Talladega County, AL

The radar

The Birmingham radar (KBMX), 63 km from the middle of the area, began a volume at 20:30 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.

Issued	Product	Office	Lasted
Mar 19, 1:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.5 hours before the alert went out and 64 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: 246 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 573 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 530 m²/s²
0-3 km storm-relative helicity: 779 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

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

380 
WUUS54 KBMX 192029
SVRBHM
ALC115-121-192100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
229 PM CST WED MAR 19 2003

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. CLAIR COUNTY IN ALABAMA
  TALLADEGA COUNTY IN EAST CENTRAL ALABAMA

* UNTIL 300 PM CST

* AT 225 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER PELL CITY...MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...LINCOLN...
RAGLAND AND RIVERSIDE.

TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. BE ALERT
FOR RAPIDLY CHANGING CONDITIONS...STAY INDOORS...AWAY FROM WINDOWS
UNTIL THE STORM HAS PASSED.

CALL 1-800-856-0758 TO REPORT SEVERE WEATHER.

LAT...LON 3361 8634 3346 8622 3352 8613

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 10:55 PM CST	Severe Thunderstorm Warning	BMX	Shelby	50 min
Mar 18, 11:25 PM CST	Severe Thunderstorm Warning	BMX	Jefferson	65 min
Mar 19, 9:06 AM CST	Tornado Warning	BMX	Blount	24 min
Mar 19, 11:24 AM CST	Severe Thunderstorm Warning	BMX	St. Clair	51 min
Mar 19, 12:42 PM CST	Tornado Warning	BMX	Etowah	48 min
Mar 19, 1:26 PM CST	Tornado Warning	BMX	Etowah	49 min
Mar 19, 1:58 PM CST	Tornado Warning	BMX	Cherokee	47 min
Mar 19, 2:38 PM CST	Tornado Warning	BMX	Cherokee	22 min
Mar 19, 2:57 PM CST	Severe Thunderstorm Warning	BMX	Calhoun, Talladega	48 min
Mar 19, 3:01 PM CST	Severe Thunderstorm Warning	BMX	Tallapoosa	44 min
Mar 19, 3:09 PM CST	Severe Thunderstorm Warning	BMX	Cherokee	51 min
Mar 19, 3:17 PM CST	Tornado Warning	BMX	Tallapoosa	28 min
Mar 19, 3:32 PM CST	Tornado Warning	BMX	Calhoun	43 min
Mar 19, 3:38 PM CST	Tornado Warning	BMX	Cherokee	37 min
Mar 19, 3:40 PM CST	Tornado Warning	BMX	Tallapoosa	35 min
Mar 19, 3:46 PM CST	Severe Thunderstorm Warning	BMX	Talladega	29 min
Mar 19, 3:49 PM CST	Tornado Warning	BMX	Cleburne	41 min
Mar 19, 3:58 PM CST	Severe Thunderstorm Warning	BMX	Barbour	47 min
Mar 19, 3:58 PM CST	Tornado Warning	BMX	Chambers	62 min
Mar 19, 4:09 PM CST	Severe Thunderstorm Warning	BMX	Randolph	51 min
Mar 19, 4:26 PM CST	Severe Thunderstorm Warning	BMX	Russell	49 min
Mar 19, 4:30 PM CST	Tornado Warning	BMX	Cleburne	30 min
Mar 19, 4:40 PM CST	Tornado Warning	BMX	Randolph	50 min
Mar 19, 4:55 PM CST	Tornado Warning	BMX	Russell	35 min
Mar 19, 4:58 PM CST	Severe Thunderstorm Warning	BMX	Lee	32 min
Mar 19, 5:26 PM CST	Severe Thunderstorm Warning	BMX	Tallapoosa	49 min
Mar 19, 5:37 PM CST	Severe Thunderstorm Warning	BMX	Chambers	38 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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; radar from the NEXRAD Level II archive.