Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 87, NWS Birmingham, AL

June 11, 1992Randolph County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 11, 1992, 12:53 PM CDT for Randolph County, Alabama. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jun 11, 1992, 12:53 PM CDT (17:53 UTC)
Expired
Jun 11, 1992, 1:45 PM CDT
In force
52 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Randolph County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 5.9 hours before the alert went out and 168 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, Centreville/Bibb, AL at 12:00Z on 1992-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 409 joules per kilogram.LCLLFCEL10008507005003002001001 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, Centreville/Bibb, AL at 12:00Z on 1992-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
409 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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.

In the hours before

Special weather statement, Jun 11, 11:10 AM CDT, 1 hour 43 minutes before
ALZ004>009-11-111700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1100 AM CDT THU JUN 11 1992

AT 1100 AM...WEATHER RADAR AT CENTREVILLE SHOWED AN ISOLATED BUT STRONG
THUNDERSTORM IN NORTHERN CLAY COUNTY.  THIS STORM IS LIKELY PRODUCING
VERY HEAVY RAIN...ALONG WITH DANGEROUS LIGHTNING AND POSSIBLY GUSTY
WINDS AND HAIL.  THIS THUNDERSTORM WAS MOVING EAST AT ABOUT 30 MPH AND
DUE TO THE SLOW MOVEMENT LOCALIZED STREET FLOODING IS POSSIBLE. OTHER
THUNDERSTORMS WERE LOCATED IN CULLMAN AND BLOUNT COUNTIES...ALSO MOVING
EAST AT ABOUT 30 MPH.

STAY TUNED TO THIS STATION FOR FURTHER UPDATES OR WARNINGS.
Special weather statement, Jun 11, 11:10 AM CDT, 1 hour 43 minutes before
ALZ004>009-11-111700-

SPECIAL WEATHER STATEMENT...CORRECTED FOR ISSUE TIME.
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1110 AM CDT THU JUN 11 1992

AT 1100 AM...WEATHER RADAR AT CENTREVILLE SHOWED AN ISOLATED BUT STRONG
THUNDERSTORM IN NORTHERN CLAY COUNTY.  THIS STORM IS LIKELY PRODUCING
VERY HEAVY RAIN...ALONG WITH DANGEROUS LIGHTNING AND POSSIBLY GUSTY
WINDS AND HAIL.  THIS THUNDERSTORM WAS MOVING EAST AT ABOUT 30 MPH AND
DUE TO THE SLOW MOVEMENT LOCALIZED STREET FLOODING IS POSSIBLE. OTHER
THUNDERSTORMS WERE LOCATED IN CULLMAN AND BLOUNT COUNTIES...ALSO MOVING
EAST AT ABOUT 30 MPH.

STAY TUNED TO THIS STATION FOR FURTHER UPDATES OR WARNINGS.
Special weather statement, Jun 11, 11:56 AM CDT, 57 minutes before
ALZ004>009-11-111800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1155 AM CDT THU JUN 11 1992

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF EASTERN ALABAMA
   UNTIL 700 PM CDT...

AT 1155 AM...STRONG THUNDERTORMS WERE INCREASING IN EAST CENTRAL
ALABAMA.  THE STRONGEST THUNDERSTORMS WERE INDICATED IN SOUTHWEST
CLEBURNE AND RANDOLPH COUNTY.  THE THUNDERSTORMS WERE MOVING EAST
AROUND 30 MPH.

OTHER THUNDERSTORMS WERE LOCATED IN EASTERN BLOUNT...WESTERN ETOWAH AND
CALHOUN COUNTIES.  THESE THUNDERSTORM WERE ALSO MOVING EAST NEAR 30 MPH.

ALL THESE STORMS ARE LIKELY TO PRODUCE VERY HEAVY RAIN...ALONG WITH
DANGEROUS LIGHTNING...GUSTY WINDS AND POSSIBLY SOME HAIL.
=
PERSONS ALONG THE PATH OF THIS STORMS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER
IF A WARNING IS ISSUED.
Special weather statement, Jun 11, 12:44 PM CDT, 9 minutes before
ALZ010-011-012-014-017-018-111845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
1243 PM CDT THU JUN 11 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MOST OF ALABAMA EAST OF
MONTGOMERY UNTIL 7PM CDT...

AT 1232 PM CDT WEATHER RADAR AT MONTGOMERY SHOWED AN AREA OF LIGHT
RAIN OVER AND UP TO 50 MILES SOUTHEAST OF MONTGOMERY...EXTENDING TO
TUSKEEGEE.  A FEW PATCHES OF LIGHT RAIN WERE OVER EAST COVINGTON AND
NORTHWEST COFFEE COUNTIES.

ALTHOUGH THERE WERE THUNDERSTORMS IN EXTREME NORTHEAST LEE
COUNTY...THESE WERE MOVING NORTHEAST AT ABOUT 20 MILES AN HOUR AND
SHOULD BE OUT OF THE STATE BEFORE 1245 PM. THE RAIN AREAS WERE MOVING
TOWARD THE EAST.

THERE IS NO SEVERE NWEATHER IN SOUTH CENTRAL ALABAMA AT THIS
TIME...HOWEVER DECREASING CLOUDINESS AND SOME SUN SHOULD INCREASE THE
INSTABILITY MAKING THUNDERSTORMS POSSIBLE IN THE AREA.

SNELL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 12:18 AM CDTSevere Thunderstorm WarningBMXLamar, Pickens42 min
Jun 11, 12:33 PM CDTSevere Thunderstorm WarningBMXEtowah27 min
Jun 11, 12:53 PM CDTSevere Thunderstorm WarningBMXCherokee52 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1992Every severe thunderstorm warning in 1992

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.