Alert archive / Alabama / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 1, NWS Mobile, AL

January 26, 1996Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 26, 1996, 2:43 PM CST for Mobile County, Alabama. It was in force for 62 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jan 26, 1996, 2:43 PM CST (20:43 UTC)
Expired: Jan 26, 1996, 3:45 PM CST
In force: 62 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 20:43 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.

What was reported inside it

Time	Report	Where	Remark
Jan 26, 3:25 PM CST	Thunderstorm Wind 88	Creola, AL

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

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.7 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: 42 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 594 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 439 m²/s²
0-3 km storm-relative helicity: 532 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KMOB 262041 RRA
SVRMOB
ALC097-262145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
243 PM CST FRI JAN 26 1996
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ALABAMA
 
   ...MOBILE COUNTY
 
AT 241 PM...WEATHER SERVICE DOPPLER RADAR SHOWED A DEVELOPING SEVERE
THUNDERSTORM NEAR BIG CREEK LAKE AT WILMER. THIS STORM WILL MOVE
NORTHEAST AT 40 MPH AND APPROACH CHUNCHULA AROUND 300 PM.
 
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.

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 Jan 26, 2:33 PM CST, 10 minutes earlier.

Area forecast discussion, Jan 26, 2:33 PM CST, 10 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOBILE AL
230 PM CST FRI JAN 26 1996

WX ACTIVE WITH TOR WATCH AND 88D LIGHTING UP BRIGHTER BY THE MINUTE
SO WILL BE BRIEF. WARM FRONT HAS PASSED TO THE NORTH OF CST IN
RESPONSE TO STRENGTHENING S/SERLY SFC GRADIENT AHEAD OF SFC FRONT
WHICH STRETCHES THRU CTRL AR/NW LA INTO ERN TX. SFC MOISTURE
CONVERGENCE HAS BEEN INCRNG AS DWPTS HAVE NOW REACHED MID 60S ACRS
FA. AS FRONT SLAMS INTO MOIST/UNSTABLE AIRMASS...WIDESPREAD
STG/POSSIBLY SVR TSTMS WILL BE THE RULE THAN THE XCPTN. VILS RUNNING
LOWER 40S HAVE BEEN PRODUCING HAIL IN SW MS DUE TO SVRL NAWAS RPTS
AND DO NOT SEE THIS ACTIVITY LETTING UP AS IT WILL EVENTUALLY MOVE
INTO CWA.  MODELS SWING FRONTAL SYSTEM THRU FA AROUND 03/06Z SAT WITH
WX CALMING DOWN AND COOLING OFF ATTM AS HI PRES FILTERS IN.
(1) 44/54/30/59 +100 (2) 48/58/34/60 +100  GJM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 26, 1:53 PM CST	Tornado Warning	MOB	Clarke	52 min
Jan 26, 3:41 PM CST	Severe Thunderstorm Warning	MOB	Wilcox	49 min
Jan 26, 3:49 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	56 min
Jan 26, 4:41 PM CST	Severe Thunderstorm Warning	MOB	Mobile	64 min
Jan 26, 4:42 PM CST	Severe Thunderstorm Warning	MOB	Choctaw	63 min
Jan 26, 4:49 PM CST	Severe Thunderstorm Warning	MOB	Choctaw	56 min
Jan 26, 5:01 PM CST	Severe Thunderstorm Warning	MOB	Washington	59 min
Jan 26, 5:07 PM CST	Severe Thunderstorm Warning	MOB	Clarke	68 min
Jan 26, 5:20 PM CST	Severe Thunderstorm Warning	MOB	Monroe, Wilcox	55 min
Jan 26, 5:34 PM CST	Tornado Warning	MOB	Baldwin, Mobile	56 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.