Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 87, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 10, 1990, 2:52 PM CDT for Barbour County, Alabama. It was in force for 68 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
- Apr 10, 1990, 2:52 PM CDT (19:52 UTC)
- Expired
- Apr 10, 1990, 4:00 PM CDT
- In force
- 68 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Barbour 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 |
|---|---|---|---|
| Apr 10, 3:50 PM CDT | Thunderstorm Wind 0 | Barbour, 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, 7.9 hours before the alert went out and 205 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
- 6 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 830 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 340 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 101954 SVRMGM ALC005-102100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MONTGOMERY AL 252 PM CDT TUE APR 10 1990 THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...BARBOUR COUNTY WEATHER RADAR AT MONTGOMERY HAS OBSERVED A SEVERE THUNDERSTORM MOVING INTO NORTHWEST BARBOUR COUNTY FROM THE NORTHWEST. THE THUNDERSTORM WILL CROSS JUST NORTH OF CLAYTON. 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, Apr 10, 2:28 PM CDT, 24 minutes before
ALZ013-015-016-MSZ014-013-102130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 227 PM CDT TUE APR 10 1990 SEVERE THUNDERSTORM WATCH NUMBER 119 IS IN EFFECT UNTIL 7 PM FOR ALL COUNTIES IN SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. A LINE OF THUNDERSTORMS WITH HEAVY RAIN EXTENDED FROM CHATTANOOGA TENNESSEE TO BATON ROUGE LOUISIANA. THE HEAVIEST RAIN WAS JUST MOVING INTO THE NORTHWEST CORNER OF WASHINGTON COUNTY ALABAMA. THE LIWNE WAS MOVING TO THE SOUTHEAST AT 25 MPH.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 2:57 PM CDT | Tornado Warning | MOB | Barbour | 63 min |
| Apr 10, 3:03 PM CDT | Severe Thunderstorm Warning | MOB | Dallas | 57 min |
| Apr 10, 3:36 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 69 min |
| Apr 10, 3:36 PM CDT | Severe Thunderstorm Warning | MOB | Autauga | 69 min |
| Apr 10, 4:12 PM CDT | Tornado Warning | MOB | Tallapoosa | 63 min |
| Apr 10, 4:12 PM CDT | Tornado Warning | MOB | Montgomery | 63 min |
| Apr 10, 4:56 PM CDT | Severe Thunderstorm Warning | MOB | Lee | 64 min |
| Apr 10, 5:57 PM CDT | Severe Thunderstorm Warning | MOB | Coffee, Covington | 63 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1990Every severe thunderstorm warning in 1990
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.