Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 121, NWS Mobile, AL

June 14, 2001Choctaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 14, 2001, 1:50 PM CDT for Choctaw County, Alabama. It was in force for 25 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jun 14, 2001, 1:50 PM CDT (18:50 UTC)
Expired: Jun 14, 2001, 2:15 PM CDT
In force: 25 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Choctaw County, AL

What was reported inside it

Time	Report	Where	Remark
Jun 14, 1:55 PM CDT	Thunderstorm Wind 60 E	Gilbertown, AL	High thunderstorm winds downed trees and power lines in the community.

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

Jackson, MS (KJAN), launched 12:00Z, 6.8 hours before the alert went out and 175 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: 1560 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 559 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 64 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.

792 
WUUS54 KMOB 141850
SVRMOB
ALC023-141915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
150 PM CDT THU JUN 14 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 215 PM CDT

* AT 150 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 4 MILES NORTH OF ISNEY TO WOMACK
  HILL...MOVING NORTH AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  ARARAT...HODGEWOOD BY 155 PM CDT
  LAND...NEEDHAM BY 200 PM CDT
  HINTON...ROCK SPRINGS BY 210 PM CDT

STRONG DAMAGING WIND...LARGE HAIL AND DEADLY LIGHTNING ARE LIKELY
WITH THESE STORMS.  IF IN THE PATH OF THESE STORMS...TAKE COVER IN A
STURDY SHELTER UNTIL THE STORMS HAVE PASSED.

LAT...LON 3208 8845 3173 8847 3173 8814 3183 8821
          3190 8815 3206 8812

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 12:50 PM CDT	Severe Thunderstorm Warning	MOB	Washington	25 min
Jun 14, 1:14 PM CDT	Severe Thunderstorm Warning	MOB	Washington	46 min
Jun 14, 1:34 PM CDT	Severe Thunderstorm Warning	MOB	Escambia, Monroe	41 min
Jun 14, 1:57 PM CDT	Tornado Warning	MOB	Choctaw	48 min
Jun 14, 2:04 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	26 min
Jun 14, 2:16 PM CDT	Severe Thunderstorm Warning	MOB	Wilcox	44 min
Jun 14, 2:35 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Marengo	40 min
Jun 14, 2:58 PM CDT	Severe Thunderstorm Warning	MOB	Wilcox	47 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2001 Every severe thunderstorm warning in 2001

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.