Alert archive / Alabama / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 120, NWS Mobile, AL

May 2, 2003Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 2, 2003, 3:47 PM CDT for Washington County, Alabama. It was in force for 43 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, 3:47 PM CDT (20:47 UTC)
Expired: May 2, 2003, 4:30 PM CDT
In force: 43 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Washington County, AL

The radar

The Mobile radar (KMOB), 82 km from the middle of the area, began a volume at 20:47 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 8.8 hours before the alert went out and 189 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: 1069 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 851 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 022047
SVRMOB
ALC129-022130-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN SOUTHWEST ALABAMA

* UNTIL 430 PM CDT

* AT 346 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES EAST OF CHATOM...MOVING SOUTHEAST AT 15
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SEABOARD...LEROY BY 400 PM CDT
  WAGARVILLE BY 405 PM CDT
  HAWTHORN...SUNFLOWER BY 410 PM CDT
  TOINETTE BY 420 PM CDT

HAIL AS LARGE AS QUARTERS HAS BEEN REPORTED AROUND CHATOM WITH THIS 
STORM. 

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 3156 8819 3144 8842 3126 8817 3118 8804
          3149 8794

The office that day

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

Issued	Product	Office	Counties	Lasted
May 2, 2:48 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	57 min
May 2, 4:18 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	57 min
May 2, 4:37 PM CDT	Tornado Warning	MOB	Baldwin	53 min
May 2, 5:04 PM CDT	Severe Thunderstorm Warning	MOB	Monroe	56 min
May 2, 5:31 PM CDT	Tornado Warning	MOB	Baldwin	59 min
May 2, 5:57 PM CDT	Severe Thunderstorm Warning	MOB	Covington	33 min
May 2, 6:23 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Wilcox	52 min
May 2, 6:25 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Wilcox	50 min
May 2, 6:26 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Wilcox	49 min
May 2, 6:33 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	42 min
May 2, 6:47 PM CDT	Severe Thunderstorm Warning	MOB	Monroe	28 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.