Alert archive / Alabama / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 342, NWS Birmingham, AL

July 12, 1995Sumter County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 12, 1995, 9:03 PM CDT for Sumter County, Alabama. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1995, 9:03 PM CDT (02:03 UTC)
Expired
Jul 12, 1995, 9:30 PM CDT
In force
27 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Sumter County, AL

The radar

The Columbus AFB radar (KGWX), 146 km from the middle of the area, began a volume at 02:02 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 00:00Z, 2.1 hours before the alert went out and 148 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 1995-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2032 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 00:00Z on 1995-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.193958Sfc1 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
2032 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1890 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, Jul 12, 3:22 PM CDT, 5 hours 41 minutes before
ALZ042-057-060-122125-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
322 PM CDT WED JUL 12 1995

AT 315 PM CDT THE NATIONAL WEATHER SERVICE RADAR IN MONTGOMERY
INDICATED ISOLATED THUNDERSTORMS IN SOUTHERN LOWNDES COUNTY NEAR
BRAGGS...IN BUTLER COUNTY NEAR GEORGIANA...AND IN COVINGTON COUNTY NEAR
RED OAK.  THESE THUNDERSTORMS WERE MOVING TO THE SOUTHWEST AT 15 MPH.

THESE THUNDERSTORMS WILL LIKELY PRODUCE VERY HEAVY RAINFALL...
STRONG GUSTY WIND...FREQUENT CLOUD TO GROUND LIGHTNING...AND
POSSIBLY SOME HAIL.

STRONG GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING...AND
VERY HEAVY RAINFALL CAN BE EXPECTED WITH THESE STORMS.  MOTORISTS
SHOULD BE PREPARED FOR SUDDEN REDUCTIONS IN VISIBILITY IN AREAS
OF HEAVY RAIN. YOU SHOULD WATCH FOR PONDING ON AREA ROADWAYS AND
BE PREPARED FOR POSSIBLE HYDROPLANING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 7:12 PM CDTSevere Thunderstorm WarningBMXMarengo33 min
Jul 13, 4:54 PM CDTSevere Thunderstorm WarningBMXJefferson, Shelby36 min
Jul 13, 5:12 PM CDTSevere Thunderstorm WarningBMXHale, Perry33 min
Jul 13, 5:42 PM CDTSevere Thunderstorm WarningBMXGreene, Tuscaloosa33 min
Jul 13, 5:44 PM CDTSevere Thunderstorm WarningBMXJefferson, Shelby31 min
Jul 13, 5:59 PM CDTSevere Thunderstorm WarningBMXPickens31 min
Jul 13, 6:16 PM CDTSevere Thunderstorm WarningBMXFayette, Tuscaloosa29 min
Jul 13, 6:27 PM CDTSevere Thunderstorm WarningBMXGreene33 min
Jul 13, 6:30 PM CDTSevere Thunderstorm WarningBMXPickens30 min
Jul 13, 6:53 PM CDTSevere Thunderstorm WarningBMXFayette37 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.