Alert archive / Alabama / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 93, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 20, 1989, 12:55 PM CDT for Houston County, Alabama. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Jun 20, 1989, 12:55 PM CDT (17:55 UTC)
- Expired
- Jun 20, 1989, 2:00 PM CDT
- In force
- 65 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.
The nearest sounding before it
Apalachicola Mun, FL (KAQQ), launched 12:00Z, 5.9 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.
- Mixed-layer CAPE
- 579 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1085 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMGM 201758
SVRMGM
ALC069-201900-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
1255 PM CDT TUE JUN 20 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
...HOUSTON
AT 1250PM CDT WEATHER RADAR AT MONTGOMERY SHOWED SEVERE THUNDERSTORMS
ON THE ALABAMA FLORIDA LINE ABOUT TO ENTER HOUSTON COUNTY SOUTH OF
COTTONWOOD. THESE STORMS ARE MOVING TOWARD THE NORTHEAST AT ABOUT
20 MILES AN HOUR AND WILL PASS THROUGH THE SOUTHEAST PART OF HOUSTON
COUNTY.
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 ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROADi.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 20, 10:46 AM CDT, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1035 AM CDT MON JUN 19 1989 ...THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER NORTHWEST FLORIDA AND THE COASTAL WATERS... AT 1030 AM CDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAINS AND GUSTY WINDS...WERE OVER THE FLORIDA PANHANDLE AND THE ADJOINING COASTAL WATERS. THE THUNDERSTORMS WITH THE HEAVIER RAINS WERE ALONG THE COAST FROM EAST OF PENSACOLA TO AROUND DESTIN...NEAR MILTON...AND NEAR DE FUNIAK SPRINGS. THE THUNDERSTORMS WERE MOVING EAST-NORTHEAST AT 20 MILES AN HOUR. OTHER THUNDERSTORMS...A FEW WITH HEAVY RAIN...WERE SCATTERED OVER THE FLORIDA PANHANDLE...SOUTH ALABAMA...AND OVER THE GULF TO 100 MILES FROM PASCAGOULA MISSISSIPPI TO PORT ST JOE FLORIDA. THE THUNDERSTORMS WILL PRODUCE HEAVY DOWNPOURS CAUSING SOME STREET AND POOR DRAINAGE AREA FLOODING...FREQUENT LIGHTNING...POSSIBLE SMALL HAIL...GUSTY WINDS AND ROUGH SEAS...ALSO CONDITIONS MrAY FAVOR THE DEVELOPMENT OF WATERSPOUTS FOR THE NEXT FEW HOURS. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 12:37 PM CDT | Flash Flood Warning | MOB | Elmore, Tallapoosa | 2 hr |
| Jun 20, 12:37 PM CDT | Flash Flood Warning | MOB | Montgomery | 2 hr |
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; the sounding from the Mesonet's radiosonde archive.