Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 249, NWS Mobile, AL

October 26, 1997Wilcox County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Oct 26, 1997, 2:15 AM CST for Wilcox County, Alabama. It was in force for 30 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
Oct 26, 1997, 2:15 AM CST (08:15 UTC)
Expired
Oct 26, 1997, 2:45 AM CST
In force
30 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Wilcox County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 8.3 hours before the alert went out and 141 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, Birmingham, AL at 00:00Z on 1997-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 925 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 1997-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 square meters per square second.1939587897Sfc1 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
925 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
511 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
269 m²/s²
Significant tornado parameter
1.4
Supercell composite
7.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Oct 26, 1:49 AM CST, 26 minutes earlier.

Area forecast discussion, Oct 26, 1:49 AM CST, 26 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOBILE AL
145 AM CST SUN OCT 26 1997

WITH SFC LOW HANGING OVR NORTHERN OK COUPLED WITH HIGHEST VORT
LOBE NEAR THE BASE OF THE UPPER TROF BELIEVE OCCLUSION WILL STALL
SFC FRNT FURTHER SOUTH OVR THE CENTRL GULF CST FROM S MS TO THE FL
PAN. CURRENTLY FRNT HAS MOVED OUT WELL AHEAD OF THE LATEST ETA
SOLUTION...SO STILL BELIEVE FROPA WILL BE EARLIER THAN ANTICIPATED
OVR WESTERN PARTS OF THE FA...SLOWING AS IT MOVES INTO THE S AL AND
NWFL PAN. MODEL DATA DOES INDICATE SFC TO H5 MEAN MOISTURE COMBINED
WITH GOOD THERMALDYNAMIC FORCING TO MOVE EAST OF ENTIRE FA BY LATE
THIS AFT. LATER IN THE PD WITH 1000 TO 500 THKNS DECREASING TO
SLIGHTLY BELOW 560 AND MEAN TEMPS FROM THE SFC TO 850 DIPPING FROM 18
TO 8C NEAR THE CST BY 00Z MON...BELIEVE MINS NEAR TO BELOW 40 FOR
MOST PLACES NEAR THE CST WILL SUFFICE WITH FREEZE WARNINGS OVER MUCH
THE NORTHERN HALF OF THE FA.

FOR THE REMAINDER OF TONIGHT WITH HIGHER CAPES IN THE ORDER OF 5000
J/KG AND HELICITIES OF 200 M/S2 OR BETTER REMAINING OVR THE GULF S OF
LA TO MOB POSSIBLY NEARING MAINLY THE NWFL CST UP TO 18Z BELIEVE THE
THREAT OF SEVERE WX WILL BEGIN TO DECREASE DURING THE MORNING HRS...
WITH POPS DROPPING OFF QUICLKY WEST OF A LINE FROM MOB TO NORTH OF
GROVEHILL.

OVER THE CSTL WATERS STRNG TO SEVERE TS LIKELY THRU THIS AFT WITH
WIND GUSTS UP TO 25 KTS FROM THE S AS FRONT APPROACHES. LATER IN THE
PD BELIEVE CURRENT THINKxING LOOKS GOOD WITH WINDS UP TO 30 KTS AS
DEEP LAYER OF COLD AIR MOVES IN. SEAS AND ADVISORIES LOOK GOOD.

MOB 72/45/60/36 7100  PNS 78/49/62/39 8200
DTS 79/52/64/43 8200  EVR 74/42/60/32 7100 32

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 25, 7:35 PM CDTSevere Thunderstorm WarningMOBEscambia40 min
Oct 25, 7:58 PM CDTSevere Thunderstorm WarningMOBConecuh62 min
Oct 26, 12:55 AM CDTTornado WarningMOBWashington35 min
Oct 26, 1:37 AM CDTTornado WarningMOBClarke68 min
Oct 26, 2:35 AM CSTSevere Thunderstorm WarningMOBWashington55 min
Oct 26, 3:07 AM CSTSevere Thunderstorm WarningMOBCrenshaw38 min
Oct 26, 5:14 AM CSTSevere Thunderstorm WarningMOBMonroe, Wilcox2 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 1997Every severe thunderstorm warning in 1997

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.