Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 99, NWS Mobile, AL

August 27, 1992Montgomery County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Aug 27, 1992, 10:02 AM CDT for Montgomery County, Alabama. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Aug 27, 1992, 10:02 AM CDT (15:02 UTC)
Expired
Aug 27, 1992, 11:00 AM CDT
In force
58 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Montgomery County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 3.0 hours before the alert went out and 120 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 1992-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 959 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, Centreville/Bibb, AL at 12:00Z on 1992-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 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
959 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
0.8
Supercell composite
7.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 271502
SVRMGM
ALC101-271600-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
1002 AM CDT THU AUG 27 1992
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH ALABAMA
 
   ...MONTGOMERY COUNTY
 
RADAR AT DANNELLY FIELD IN MONTGOMERY SHOWED SEVERAL SEVERE
THUNDERSTORMS FROM SELLERS AND RAMER NORTH TO PIKE ROAD ALABAMA. THE
THUNDERSTORMS ARE MOVING NORTH AT 40 MILES AN HOUR.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCEP 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.

In the hours before

Special weather statement, Aug 27, 7:28 AM CDT, 2 hours 34 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-271330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
730 AM CDT THU AUG 27 1992

...A TORNADO WATCH IS IN EFFECT UNTIL 3PM CDT FOR ESCAMBIA...SANTA ROSA
...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES COUNTIES...

AT 730 AM CDT...SHOWERS AND THUNDERSTOMS...SOME WITH HEAVY RAIN...WERE
SCATTERED OVER SOUTH ALABAMA...THE WEST FLORIDA PANHANDLE...AND THE
ADJACENT GULF OF MEXICO. STRONGEST WERE OFFSHORE.

MOVEMENTS WERE TOWARDS THE NORTH AROUND 20 MILES AN HOUR.

NO SEVERE WEATHER HAS BEEN REPORTED TO THIS OFFICE.
Special weather statement, Aug 27, 7:31 AM CDT, 2 hours 31 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-271330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION
NATIONAL WEATHER SERVICE PENSACOLA FL
730 AM CDT THU AUG 27 1992

...A TORNADO WATCH IS IN EFFECT UNTIL 3PM CDT FOR ESCAMBIA...SANTA ROSA
...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES COUNTIES OF
NORTHWEST FLORIDA...

AT 730 AM CDT...SHOWERS AND THUNDERSTOMS...SOME WITH HEAVY RAIN...WERE
SCATTERED OVER SOUTH ALABAMA...THE WEST FLORIDA PANHANDLE...AND THE
ADJACENT GULF OF MEXICO. STRONGEST WERE OFFSHORE.

MOVEMENTS WERE TOWARDS THE NORTH AROUND 20 MILES AN HOUR.

NO SEVERE WEATHER HAS BEEN REPORTED TO THIS OFFICE.
Special weather statement, Aug 27, 7:59 AM CDT, 2 hours 3 minutes before
ALZ013-015-016-271500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
800 AM CDT THU AUG 27 1992

...TORNADO WATCH IN EFFECT FOR MOST OF SOUTHWEST ALABAMA...

THE TORNADO WATCH HAS BEEN REDEFINED AND EXTENDED TO 3 PM TODAY. THE
WATCH INCLUDES ALL OF SOUTHWEST ALABAMA...EXCEPT FOR MOBILE AND BALDWIN
COUNTIES.

MOBILE RADAR AT 8 AM SHOWS SCATTERED SHOWERS MOVING INTO THE FLORIDA
PANHANDLE AND SCATTERED THUNDERSTORMS IN THE GULF SOUTH OF PENSACOLA.

OTHER SHOWERS AND THUNDERSTORMS WERE ACROSS THE NORTHERN SECTIONS OF
WASHINGTON...CLARKE AND MONROE COUNTIES. THE MAJORITY OF THE SHOWERS AND
THUNDERSTORMS WERE MOVING ACROSS WEST CENTRAL ALABAMA. MOVEMENT WAS
NORTH NORTHEAST AT 20 TO 30 MPH.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS
AND TORNADOES IN OR NEAR TO THE WATCH AREA. A TORNADO WARNING WAS IN
EFFECT FOR MARENGO COUNTY FOR A NORTHWARD MOVING STORM. MARENGO COUNTY
IS JUST NORTH OF CLARKE COUNTY.

ALL RESIDENTS OF THE WATCH AREA SHOULD KEEP ABREAST OF THE LATEST
WEATHER INFORMATION AND BE PREPARED TO SEEK SAFTEY ON SHORT NOTICE.
Special weather statement, Aug 27, 8:39 AM CDT, 1 hour 23 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-271330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
835 AM CDT THU AUG 27 1992

...A TORNADO WATCH IS IN EFFECT UNTIL 3PM CDT FOR ESCAMBIA...SANTA ROSA
...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES COUNTIES OF
NORTHWEST FLORIDA...

AT 830 AM CDT...SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN...WERE
SCATTERED OVER SOUTH ALABAMA...THE WEST FLORIDA PANHANDLE...AND THE
ADJACENT GULF OF MEXICO. THE STRONGEST STORMS WERE OVER BAY COUNTY AND
50 MILES OFFSHORE.

MOVEMENTS WERE TOWARDS THE NORTH AROUND 20 MILES AN HOUR.

NO SEVERE WEATHER HAS BEEN REPORTED TO THIS OFFICE.
Special weather statement, Aug 27, 9:38 AM CDT, 24 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-271530-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
935 AM CDT THU AUG 27 1992

...A TORNADO WATCH IS IN EFFECT UNTIL 3PM CDT FOR ESCAMBIA...SANTA ROSA
...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES COUNTIES OF
NORTHWEST FLORIDA...

AT 930 AM CDT...SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN...WERE
SCATTERED OVER SOUTH ALABAMA...THE WESTERN FLORIDA PANHANDLE...AND THE
ADJACENT GULF OF MEXICO.

MOVEMENT WAS TO THE NORTH AT 20 MILES AN HOUR.
Special weather statement, Aug 27, 9:39 AM CDT, 23 minutes before
ALZ013-015-016-271645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
937 AM CDT THU AUG 27 1992

...TORNADO WATCH UNTIL 3 PM FOR WASHINGTON...CLARKE...MONROE...
CONECUH AND ESCAMBIA COUNTIES OF ALABAMA...

...A FLASH FLOOD WATCH FOR THE SAME COUNTIES TODAY...

MOBILE RADAR SHOWS A BAND OF RAIN SWEEPING ACROSS WASHINGTON COUNTY AND
NORTHERN CLARKE COUNTY. THE PRECIPITATION EXTENDED WEST INTO MISSISSIPPI
AND NORTHWARD INTO CENTRAL ALABAMA. THIS LARGE AREA OF RAIN...THE OUTER
REMMANTS OF WHAT WAS ONCE ANDREW WAS DRIFTING NORTHEAST.

WINDS OF 20 TO 30 MPH WITH SOME HIGHER GUSTS WERE COMMON ACROSS
SOUTHWEST ALABAMA. STRONGER WINDS ARE POSSIBLE WITH THE HEAVIER RAIN
SQUALLS AND POSSIBLE SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES.

SHOWERS AND THUNDERSHOWERS WERE ALSO MOVING ACROSS BALDWIN COUNTY FROM
NEAR FAIRHOPE TO BAY MINETTE. MOVEMENT WAS RAPIDLY NORTH NORTHEAST.

IN MOBILE COUNTY...STRONG SOUTHERLY WINDS AND A RISING TIDE WAS PUSHING
WATER AND SOME DEBRIS ACROSS THE EAST BOUND LANE OF THE CAUSEWAY. THE
ROAD WAS STILL OPEN AT 930 AM BUT THE HIGHWAY DEPT. WAS ASSESSING THE
SITUATION. WATER WAS STANDING ON SOME OF THE APPROACHES TO THE
INTERSTATE.  HIGH TIDE IS AROUND 1 PM SO CONDITIONS SHOULD CONTINUE TO
DETERIORATE THIS MORNING.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS
AND POSSIBLE TORNADOES IN OR NEAR TO THE WATCH AREA. BE PREPARED TO SEEK
SAFTEY IF SEVERE WEATHER IS SGIGHTED OR FLASH FLOODING IS OBSERVED OR
WARNINGS ISSUED.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 12:26 PM CDTSevere Thunderstorm WarningMOBLowndes64 min
Aug 27, 12:44 PM CDTTornado WarningMOBLowndes, Montgomery61 min
Aug 27, 12:50 PM CDTSevere Thunderstorm WarningMOBAutauga55 min
Aug 27, 1:47 PM CDTTornado WarningMOBElmore, Montgomery58 min
Aug 27, 1:58 PM CDTSevere Thunderstorm WarningMOBCrenshaw62 min
Aug 27, 2:09 PM CDTTornado WarningMOBMacon66 min
Aug 27, 2:11 PM CDTSevere Thunderstorm WarningMOBBullock64 min
Aug 27, 2:11 PM CDTSevere Thunderstorm WarningMOBTallapoosa64 min
Aug 27, 2:37 PM CDTSevere Thunderstorm WarningMOBLee68 min
Aug 27, 2:55 PM CDTSevere Thunderstorm WarningMOBChambers65 min
Aug 27, 3:30 PM CDTSevere Thunderstorm WarningMOBMacon45 min
Aug 27, 4:05 PM CDTSevere Thunderstorm WarningMOBChambers, Lee55 min
Aug 27, 4:05 PM CDTSevere Thunderstorm WarningMOBBarbour55 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.