Alert archive / Alabama / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 3, NWS Mobile, AL

January 19, 2002Wilcox County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 19, 2002, 11:29 AM CST for Wilcox County, Alabama. It was in force for 31 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jan 19, 2002, 11:29 AM CST (17:29 UTC)
Expired: Jan 19, 2002, 12:00 PM CST
In force: 31 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Wilcox County, AL

What was reported inside it

Time	Report	Where	Remark
Jan 19, 11:45 AM CST	Thunderstorm Wind 55 E	Boykin, AL	High winds from a line of thunderstorms blew down trees and power lines along County Road 29 between Boykin and Rehoboth.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 5.5 hours before the alert went out and 129 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: 11 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 445 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 568 m²/s²
0-3 km storm-relative helicity: 655 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 191729
SVRMOB
ALC131-191800-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1128 AM CST SAT JAN 19 2002

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WILCOX COUNTY IN SOUTH CENTRAL ALABAMA

* UNTIL NOON CST

* AT 1128 AM CST...RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES   
WEST OF ANNE MARIE...MOVING EAST AT 65 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PRAIRIE...CATHERINE BY 1135 AM CST
  MILLERS FERRY...REHOBOTH BY 1140 AM CST
  BOYKIN BY 1145 AM CST

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 3216 8774 3199 8769 3211 8690 3233 8696

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 19, 11:01 AM CST	Severe Thunderstorm Warning	MOB	Choctaw	29 min
Jan 19, 11:52 AM CST	Severe Thunderstorm Warning	MOB	Washington	23 min
Jan 19, 12:45 PM CST	Severe Thunderstorm Warning	MOB	Washington	30 min
Jan 19, 1:01 PM CST	Severe Thunderstorm Warning	MOB	Monroe	29 min
Jan 19, 1:53 PM CST	Severe Thunderstorm Warning	MOB	Crenshaw	22 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.