Alert archive / Alabama / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 92, NWS Mobile, AL

June 19, 1989Houston County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 19, 1989, 1:11 PM CDT for Houston County, Alabama. It was in force for 64 min. 2 reports 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 19, 1989, 1:11 PM CDT (18:11 UTC)
Expired
Jun 19, 1989, 2:15 PM CDT
In force
64 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Houston 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 19, 1:20 PM CDTThunderstorm Wind 0Houston, AL
Jun 19, 1:20 PM CDTThunderstorm Wind 0Houston, 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 161 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 1989-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2023 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1989-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
2023 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
790 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
8 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 191813
SVRMGM
ALC069-191915-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
111 PM CDT MON JUN 19 1989
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH ALABAMA
          ...HOUSTON
 
AT 1 10PM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR THE CITY OF
DOTHAN MOVING TOWARD THE NORTHEAST AT 20 MPH. ANOTHER POSSIBLE SEVERE
THUNDERSTORM WAS ON THE ALABAMA FLORIDA BORDER SOUTH OF DOTHAN ALSO
MOVING TOWARD THE NORTHEAST.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNIVNG...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS 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 19, 11:46 AM CDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
1135 AM CDT MON JUN 19 1989

...THUNDERSTORMS WITH VERY HEAVY RAINS WERE OVER THE FLORIDA PANHANDLE
AND THE ADJOINING COASTAL WATERS...

THUNDERSTORMS...SOME IN CLUSTERS AND WITH VERY HEAVY RAIN AND GUSTY
WINDS...WERE OVER THE FLORIDA PANHANDLE...SOUTH ALABAMA...SOUTHEAST
MISSISSIPPI...SOUTHEAST LOUISIANA...AND THE ADJOINING GULF TO 100 MILES
OFFSHORE.
THE THUNDERSTORMS WITH THE HEAVIER RAINS WERE OVER OKALOOSA AND WALTON
COUNTIES AND ADJACENT COASTAL WATERS...AND BETWEEN APALACHICOLA AND
DOTHAN ALABAMA.
THE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR.

THE THUNDERSTORMS ARE CAPABLE OF PRODUCI8NG HEAVY DOWNPOURS CAUSING
FLOODING OF POOR DRAINAGE AREAS   CREEKS AND SMALL STREAMS...GUSTY
WINDS AROUND 40 MILES AN HOUR...POSSIBLE SMALL HAIL...AND ROUGH SEAS.
PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 3:00 AM CDTFlash Flood WarningMOBTallapoosa2 hr
Jun 19, 5:00 AM CDTFlash Flood WarningMOBTallapoosa2 hr
Jun 19, 5:35 AM CDTFlash Flood WarningMOBElmore, Montgomery115 min
Jun 19, 6:31 AM CDTFlash Flood WarningMOBCoosa, Tallapoosa2 hr
Jun 19, 8:46 AM CDTSevere Thunderstorm WarningMOBLee52 min
Jun 19, 9:03 AM CDTFlash Flood WarningMOBCoosa, Elmore, Tallapoosa117 min
Jun 19, 11:33 AM CDTFlash Flood WarningMOBMontgomery117 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.