Alert archive / Alabama / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 28, NWS Mobile, AL

February 19, 1996Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Feb 19, 1996, 4:27 PM CST for Mobile County, Alabama. It was in force for 63 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, 4:27 PM CST (22:27 UTC)
Expired: Feb 19, 1996, 5:30 PM CST
In force: 63 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Mobile County, AL

The radar

The Mobile radar (KMOB), 4 km from the middle of the area, began a volume at 22:29 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.5 hours before the alert went out and 152 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: 24 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 218 m²/s²
0-3 km storm-relative helicity: 259 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 192227 RRA
SVRMOB
ALC097-192330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
427 PM CST MON FEB 19 1996
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ALABAMA
 
   ...MOBILE COUNTY
 
 
 
 
AT 425 PM....NWS DOPPLER WEATHER RADAR IN MOBILE INDICATED A
SHORT-CURVED LINE OF SEVERE THUNDERSTORMS THAST EXTENDED FROM NORTHEAST
MOBILE COUNTY WEST TO SOUTHERN GEORGE COUNTY MS. THIS LINE WAS MOVING
EAST AT 35 MPH AND WILL CROSS THE NORTHERN HALF OF MOBILE COUNTY.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVE.RE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 19, 2:40 PM CST, 1 hour 47 minutes earlier.

Area forecast discussion, Feb 19, 2:40 PM CST, 1 hour 47 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOBILE AL
240 PM CST MON FEB 19 1996

ALREADY ISSUING WRNGS FOR STORMS IN CWA SO WILL BE VERY BRIEF. LOOKS
LIKE MAIN THRUST OF SVR WX WILL BE BETWEEN NOW AND 9 PM MAYBE A
LITTLE LATER OVER PNHDL AND E CWA. NO REAL COLD AIR TO FOLLOW THIS
SYSTEM. SHUD CLR EARLY ENOUGH ON FAT TUESDAY TO WARM CLOSE TO NGM
AFTER LOW CLDS AND POSSIBLY L- IN ERLY MORNING.(1)53/75/53/78 8200
(2)56/74/54/78/ 8200 DF

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 19, 2:19 PM CST	Severe Thunderstorm Warning	MOB	Choctaw	41 min
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, 4:43 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.