Alert archive / Alabama / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 9, NWS Mobile, AL

February 21, 2003Conecuh County, Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Feb 21, 2003, 7:44 PM CST for Conecuh County, Escambia 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: Feb 21, 2003, 7:44 PM CST (01:44 UTC)
Expired: Feb 21, 2003, 8:15 PM CST
In force: 31 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

Counties Conecuh County, AL, Escambia County, AL

The radar

The Mobile radar (KMOB), 121 km from the middle of the area, began a volume at 01:48 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 nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.7 hours before the alert went out and 208 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 779 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

463 
WUUS54 KMOB 220144
SVRMOB
ALC035-053-220215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
744 PM CST FRI FEB 21 2003

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA
  CONECUH COUNTY IN SOUTH CENTRAL ALABAMA

* UNTIL 815 PM CST

* AT 744 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER HUXFORD...MOVING NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RANGE...I65 AND AL 41 BY 755 PM CST
  LENOX...I65 AND CR 6 BY 800 PM CST
  REPTON BY 805 PM CST

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

LAT...LON 3147 8718 3132 8701 3115 8751 3136 8734

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 21, 7:48 PM CST	Severe Thunderstorm Warning	MOB	Monroe	42 min
Feb 21, 11:16 PM CST	Special Marine Warning	MOB		3 hr
Feb 21, 11:16 PM CST	Special Marine Warning	MOB		3 hr
Feb 21, 11:19 PM CST	Tornado Warning	MOB	Escambia	41 min
Feb 21, 11:29 PM CST	Tornado Warning	MOB	Conecuh	46 min
Feb 22, 1:20 AM CST	Special Marine Warning	MOB		3 hr
Feb 22, 1:34 AM CST	Severe Thunderstorm Warning	MOB	Baldwin	26 min
Feb 22, 2:10 AM CST	Special Marine Warning	MOB		2 hr
Feb 22, 2:10 AM CST	Special Marine Warning	MOB		2 hr
Feb 22, 4:28 AM CST	Special Marine Warning	MOB		62 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.