Alert archive / Alabama / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 443, NWS Birmingham, AL

November 11, 1995Marengo County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Nov 11, 1995, 6:33 AM CST for Marengo County, Alabama. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Nov 11, 1995, 6:33 AM CST (12:33 UTC)
Expired
Nov 11, 1995, 7:00 AM CST
In force
27 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Marengo County, AL

The radar

The Birmingham radar (KBMX), 140 km from the middle of the area, began a volume at 12:34 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

Birmingham, AL (KBMX), launched 12:00Z, 0.6 hours before the alert went out and 140 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 12:00Z on 1995-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 1995-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 426 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
23 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
558 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
426 m²/s²
0-3 km storm-relative helicity
515 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

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.

In the hours before

Special weather statement, Nov 11, 5:23 AM CST, 1 hour 10 minutes before
ALZ001>003-011>012-DDHHMM-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
 515 AM CST SAT NOV 11 1995

THE TORNADO WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES
IN EXTREME NORTHWEST ALABAMA...

LAUDERDALE...COLBERT...FRANKLIN...MARION...AND LAMAR.

SHOWERS AND POSSIBLY A THUNDERSTORM MAY CONTINUE IN THE AREA DURING THE
NEXT HALF HOUR OR SO...BUT THE STRONG THUNDERSTORMS HAVE MOVED EAST OF
THE AREA WITH NO MORE THREAT OF SEVERE WEATHER WITH THIS SYSTEM.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 3:32 AM CSTSevere Thunderstorm WarningBMXColbert, Franklin58 min
Nov 11, 3:41 AM CSTSevere Thunderstorm WarningBMXLamar, Marion64 min
Nov 11, 4:41 AM CSTSevere Thunderstorm WarningBMXFayette, Pickens49 min
Nov 11, 6:15 AM CSTSevere Thunderstorm WarningBMXBibb, Hale, Perry45 min
Nov 11, 6:24 AM CSTSevere Thunderstorm WarningBMXChambers, Randolph, Tallapoosa51 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; radar from the NEXRAD Level II archive.