Alert archive / Alabama / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 94, NWS Mobile, AL

June 21, 1989Dale County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 21, 1989, 1:13 PM CDT for Dale County, Alabama. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 21, 1989, 1:13 PM CDT (18:13 UTC)
Expired
Jun 21, 1989, 2:00 PM CDT
In force
47 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Dale County, AL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jun 21, 1:20 PM CDTHail 0.75Dale, AL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Apalachicola Mun, FL (KAQQ), launched 12:00Z, 6.2 hours before the alert went out and 198 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, Apalachicola Mun, FL at 12:00Z on 1989-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1404 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, Apalachicola Mun, FL at 12:00Z on 1989-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
1404 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
855 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
60 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 211815
SVRMGM
ALC045-211900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
113 PM CDT WED JUN 21 1989
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH ALABAMA
          ...NORTHERN DALE
 
AT 115 PM RADAR SHOWED A SEVERE THUNDERSTORM JUST SOUTHWEST OF ARITON
MOVING EAST AT 20 MPH.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD R*OADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 21, 10:41 AM CDT, 2 hours 32 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
1035 AM CDT WED JUN 21 1989

...THUNDERSTORMS WITH VERY HEAVY RAIN WERE INCREASING OVER NORTHWEST
FLORIDA...

AT 1030 AM CDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAINS AND GUSTY
WINDS...WERE OVER THE FLORIDA PANHANDLE AND THE IMMEDIATE COASTAL
WATERS...AND EXTENDED INTO SOUTHERN ALABAMA AND COASTAL MISSISSIPPI.
THE THUNDERSTORMS WITH THE HEAVIER RAINS WERE BETWEEN PENSACOLA AND
ATMORE...FROM NEAR MILTON TO AROUND BREWTON...FROM AROUND PANAMA CITY
TO NEAR BONIFAY...AND BETWEEN APALACHICOLA AND BLOUNTSTOWN.
THE THUNDERSTORMS WERE MOVING EAST-NORTHEAST AT 25 MILES AN HOUR.

THE THUNDERSTORMS WILL PRODUCE HEAVY DOWNPOURS CAUSING SOME BRIEF
STREET AND POOR DRAINAGE AREA FLOODING...GUSTY WINDS AROUND 40 MILES
AN HOUR...POSSIBLE SMALL HAIL...AND FREQUENT LIGHTNING.
PERSONS SHOULD TAKE ANY NECASSARY PRECAUTIONS FOR THESE CONDITIONS
WHEN THE STORMS ARE IN NYOUR AREA.
Special weather statement, Jun 21, 11:43 AM CDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
1135 AM CDT WED JUN 21 1989

...THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER NORTHWEST FLORIDA...

AT 1130 AM CDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAINS AND GUSTY
WINDS...WERE SCATTERED OVER THE FLORIDA PANHANDLE AND THE IMMEDIATE
COASTAL WATERS...AND EXTENDED INTO SOUTHERN ALABAMA AND COASTAL MISS-
ISSIPPI.
THE THUNDERSTORMS WITH THE HEAVIER RAINS WERE NEAR MILTON...NEAR FORT
WALTON...BETWEEN PANAMA CITY AND CHATTAHOOCHEE...BETWEEN CRESTVIEW AND
BONIFAY...AND ALONG THE COASTLINE FROM EAST OF PENSACOLA TO AROUND
FORT WALTON.
THE THUNDERSTORMS WERE MOVING EAST-NORTHEAST AT 25 MILES AN HOUR.

THE THUNDERSTORMS WILL PRODUCE HEAVY DOWNPOURS CAUSING SOME BRIEF
STREET AND POOR DRAINAGE AREA FLOODING...GUSTY WINDS AROUND 40 MILES
AN HOUR...FREQUENT LIGHTNING...AND POSSIBLE SMALL HAIL.
PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS
WHEN THE STORMS ARE IN YOUR AREA.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 1:40 PM CDTSevere Thunderstorm WarningMOBBarbour65 min
Jun 21, 4:25 PM CDTSevere Thunderstorm WarningMOBDallas65 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1989Every severe thunderstorm warning in 1989

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.