Alert archive / Alabama / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 101, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 11, 1989, 5:50 PM CDT for Montgomery County, Alabama. It was in force for 55 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
- Jul 11, 1989, 5:50 PM CDT (22:50 UTC)
- Expired
- Jul 11, 1989, 6:45 PM CDT
- In force
- 55 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Montgomery 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 11, 6:00 PM CDT | Thunderstorm Wind 0 | Montgomery, 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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 10.8 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.
- Mixed-layer CAPE
- 1137 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 798 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 48 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 112253
SVRMGM
ALC101-112345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
550 PM CDT TUE JUL 11 1989
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH ALABAMA
...SOUTHERN MONTGOMERY
AT 550 PM CDT RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS OVER
SOUTHERN MONTGOMERY COUNTY NEAR RAMER MOVING SOUTHEAST AT AROUND
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 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, Jul 11, 5:45 PM CDT, 5 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 535 PM CDT SAT JUL 8 1989 ...STRONG THUNDERSTORMS APPROACHING THE NORTHERN FLORIDA PANHANDLE... AT 530 PM CDT...SCATTERED THUNDERSTORMS WERE OVER EXTREME SOUTHERN ALABAMA. THEY EXTEND FROM DOTHAN TO BREWTON AND CITRONELLE...NORTHWARD TO MONTGOMERY. THE STRONGEST STORMS WERE BETWEEN BREWTON AND ENTERPRISE ALABAMA. THESE STORMS WILL PRODUCE VERY HEAVY RAIN...GUSTY WINDS...LIGHTNING STRIKES... AND POSSIBLE. PERSONS IN NORTHERN ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON AND HOLMES COONTIES FLORIDA CAN EXPECT THESE CONDITIONS THE NEXT 2 HOURS. MOVEMENTS WERE EAST-SOUTHEAST AROUND 18 MPH.
Special weather statement, Jul 11, 5:47 PM CDT, 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 535 PM CDT TUE JUL 11 1989 ...STRONG THUNDERSTORMS APPROACHING THE NORTHERN FLORIDA PANHANDLE... AT 530 PM CDT...SCATTERED THUNDERSTORMS WERE OVER EXTREME SOUTHERN ALABAMA. THEY EXTEND FROM DOTHAN TO BREWTON AND CITRONELLE...NORTHWARD TO MONTGOMERY. THE STRONGEST STORMS WERE BETWEEN BREWTON AND ENTERPRISE ALABAMA. THESE STORMS WILL PRODUCE VERY HEAVY RAIN...GUSTY WINDS...LIGHTNING STRIKES... AND POSSIBLE. PERSONS IN NORTHERN ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON AND HOLMES COONTIES FLORIDA CAN EXPECT THESE CONDITIONS THE NEXT 2 HOURS. MOVEMENTS WERE EAST-SOUTHEAST AROUND 18 MPH.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 4:53 PM CDT | Severe Thunderstorm Warning | MOB | Lowndes | 67 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.