Alert archive / Alabama / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 77, NWS Mobile, AL

April 20, 1995Choctaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 20, 1995, 11:26 PM CDT for Choctaw County, Alabama. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Apr 20, 1995, 11:26 PM CDT (04:26 UTC)
Expired
Apr 21, 1995, 12:30 AM CDT
In force
64 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Choctaw County, AL

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.4 hours before the alert went out and 174 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-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 1995-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2096 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 1995-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2096 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
4.0
Supercell composite
14.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 210425
SVRMOB
ALC023-210530-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1126 PM CDT THU APR 20 1995
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ALABAMA
 
   ...NORTHERN CHOCTAW COUNTY
 
MOBILE DOPPLER WEATHER RADAR SHOWED A SEVERE THUNDERSTORM MOVING INTO
NORTHWEST CHOCTAW COUNTY FROM THE SOUTHWEST. THE STORM SHOULD MOVE
NORTWEST OF BUTLER AND PASS THROUGH THE CITIES OF PUSHMATAHA...
CROMWELL AND YANTLEY BETWEEN 1145 PM AND MIDNIGHT.
 
THE STORM WAS MOVING EAST NORTHEAST AT 30 MPH.
 
A TORNADO WATCH IS ALSO IN EFFECT \FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 12:12 AM CDTSevere Thunderstorm WarningMOBChoctaw48 min
Apr 21, 12:36 AM CDTSevere Thunderstorm WarningMOBCoosa69 min
Apr 21, 12:41 AM CDTSevere Thunderstorm WarningMOBDallas64 min
Apr 21, 1:12 AM CDTSevere Thunderstorm WarningMOBClarke, Washington63 min
Apr 21, 1:42 AM CDTSevere Thunderstorm WarningMOBAutauga63 min
Apr 21, 2:15 AM CDTSevere Thunderstorm WarningMOBCoosa, Elmore60 min
Apr 21, 2:18 AM CDTSevere Thunderstorm WarningMOBClarke42 min
Apr 21, 2:22 AM CDTSevere Thunderstorm WarningMOBMonroe68 min
Apr 21, 2:31 AM CDTSevere Thunderstorm WarningMOBWilcox59 min
Apr 21, 2:44 AM CDTSevere Thunderstorm WarningMOBMobile61 min
Apr 21, 2:45 AM CDTSevere Thunderstorm WarningMOBTallapoosa60 min
Apr 21, 3:07 AM CDTSevere Thunderstorm WarningMOBBaldwin68 min
Apr 21, 5:10 AM CDTSevere Thunderstorm WarningMOBBaldwin65 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1995Every severe thunderstorm warning in 1995

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.