Alert archive / Alabama / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 21, NWS Mobile, AL

February 19, 1996Choctaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Feb 19, 1996, 2:19 PM CST for Choctaw County, Alabama. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 19, 1996, 2:19 PM CST (20:19 UTC)
Expired: Feb 19, 1996, 3:00 PM CST
In force: 41 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Choctaw County, AL

The radar

The Mobile radar (KMOB), 149 km from the middle of the area, began a volume at 20:23 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

Jackson, MS (KJAN), launched 12:00Z, 8.3 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-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: 10 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 639 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 229 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.

000 
TTAA00 KMOB 192019 RRA
SVRMOB
ALC023-192100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
219 PM CST MON FEB 19 1996
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ALABAMA
 
   ...CHOCTAW COUNTY
 
AT 218 PM CDT MOBILE DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM ON THE
WESTERN BORDER OF CHOCTAW COUNTY. THIS STORM IS MOVING IN THE GENERAL
DIRECTION OF RIDERWOOD AND LISMAN AT 40 TO 45 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.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 19, 2:51 PM CST	Severe Thunderstorm Warning	MOB	Monroe	69 min
Feb 19, 3:03 PM CST	Tornado Warning	MOB	Washington	57 min
Feb 19, 3:46 PM CST	Tornado Warning	MOB	Clarke	59 min
Feb 19, 3:50 PM CST	Severe Thunderstorm Warning	MOB	Washington	55 min
Feb 19, 4:23 PM CST	Severe Thunderstorm Warning	MOB	Monroe	37 min
Feb 19, 4:27 PM CST	Severe Thunderstorm Warning	MOB	Mobile	63 min
Feb 19, 4:43 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	47 min
Feb 19, 5:29 PM CST	Severe Thunderstorm Warning	MOB	Escambia	46 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1996 Every severe thunderstorm warning in 1996

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.