Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 67, NWS Mobile, AL

July 27, 1993Montgomery County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 27, 1993, 4:56 PM CDT for Montgomery County, Alabama. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Jul 27, 1993, 4:56 PM CDT (21:56 UTC)
Expired
Jul 27, 1993, 6:00 PM CDT
In force
64 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, 9.9 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 1993-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3307 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 1993-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 square meters per square second.1939Sfc1 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
3307 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
-34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 272157
SVRMGM
ALC101-272300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
456 PM CDT TUE JUL 27 1993
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTH ALABAMA
 
   ...MONTGOMERY COUNTY
 
AT 455PM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM JUST
NORTH OF RAMER MOVING TO THE SOUTHWEST AT 15 MILES AN HOUR.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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 27, 3:41 PM CDT, 1 hour 15 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-272135-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
340 PM CDT TUE JUL 27 1993

AT 330 PM CDT A THUNDERSTORM WAS MOVING INTO BAY COUNTY EAST OF
PANAMA CITY.  WIND GUSTS OF BETWEEN 40 AND 50 MPH CAN BE EXPECTED FROM
THIS STORM AS IT MOVES TO THE WEST.  IN ADDITION SMALL HAIL...DANGEROUS
LIGHTNING STRIKES AND BRIEF PERIODS OF HEAVY RAINFALL CAN BE EXPECTED
FROM THE STORM.  PRESENT MOVEMENT OF THE STORM WOULD PUT IT NEAR
PANAMA CITY BEACH BETWEEN 345 AND 415 PM.

OTHER SHOWERS WERE ACROSS NORTHWEST FLORIDA FROM NORTH OF NAVARRE TO
NORTH OF CRESTVIEW.

THUNDERSTORMS WERE WIDELY SCATTERED ACROSS SOUTH ALABAMA FROM NEAR OPPd
TO ALONG THE TOMBIGBEE RIVER WEST OF LINDEN.

SHOWERS WERE OFFSHORE FROM 30 MILES SOUTH OF CAPE SAN BLAS TO 75 MILES
SOUTH OF PENSACOLA PASS.

THE RAIN WAS MOVING WEST AT 15 MILES AN HOUR.
Special weather statement, Jul 27, 4:41 PM CDT, 15 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-272235-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
440 PM CDT TUE JUL 27 1993

AT 430 PM CDT...  A THUNDERSTORM WAS OVER WESTERN BAY COUNTY WEST OF
PANAMA CITY.  WIND GUSTS OF BETWEEN 40 AND 50 MPH CAN BE EXPECTED FROM
THIS STORM AS IT MOVES TO THE WEST.  IN ADDITION SMALL HAIL...DANGEROUS
LIGHTNING STRIKES AND BRIEF PERIODS OF HEAVY RAINFALL CAN BE EXPECTED
FROM THE STORM.

THUNDERSTORMS WERE WIDELY SCATTERED ACROSS SOUTH ALABAMA.

SHOWERS WERE OFFSHORE FROM 30 MILES SOUTH OF CAPE SAN BLAS TO 75 MILES
SOUTH OF PENSACOLA PASS.

MOVEMENTS WERE TO THE SOUTHWEST AT 10 MILES AN HOUR.
THE RAIN WAS MOVING WEST AT 15 MILES AN HOUR.
Special weather statement, Jul 27, 4:45 PM CDT, 11 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-272235-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
440 PM CDT TUE JUL 27 1993

AT 430 PM CDT...  A THUNDERSTORM WAS OVER WESTERN BAY COUNTY WEST OF
PANAMA CITY.  WIND GUSTS OF BETWEEN 40 AND 50 MPH CAN BE EXPECTED FROM
THIS STORM AS IT MOVES TO THE WEST.  IN ADDITION SMALL HAIL...DANGEROUS
LIGHTNING STRIKES AND BRIEF PERIODS OF HEAVY RAINFALL CAN BE EXPECTED
FROM THE STORM.

THUNDERSTORMS WERE WIDELY SCATTERED ACROSS SOUTH ALABAMA.

SHOWERS WERE OFFSHORE FROM 30 MILES SOUTH OF CAPE SAN BLAS TO 75 MILES
SOUTH OF PENSACOLA PASS.

MOVEMENTS WERE TO THE SOUTHWEST AT 10 MILES AN HOUR.

Nearby

Severe Thunderstorm Warnings in Alabama, 1993Every severe thunderstorm warning in 1993

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.