Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 92, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 10, 1990, 5:57 PM CDT for Coffee County, Covington County, Alabama. It was in force for 63 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, 5:57 PM CDT (22:57 UTC)
- Expired
- Apr 10, 1990, 7:00 PM CDT
- In force
- 63 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Coffee County, AL, Covington 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, 6:10 PM CDT | Thunderstorm Wind 0 | Covington, 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, 11.0 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.
- 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 102258 SVRMGM ALC031-039-110000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MONTGOMERY AL 557 PM CDT TUE APR 10 1990 THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...COFFEE COUNTY...COVINGTON COUNTY WEATHER RADAR AT CENTREVILLE SHOWED A LINE OF SEVERE THUNDERSTORMS FROM SOUTHERN COVINGTON COUNTY INTO COFFEE COUNTY. THE LINE OF SEVERE THUNDERSTORMS WAS MOVING TOWARD THE EAST SOUTHEAST 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 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, 3 hours 29 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.
Local storm report, Apr 10, 3:04 PM CDT, 2 hours 53 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
300 PM CDT TUE APR 10 1990
250 PM...GROVE HILL STATE REOPRTS MARBLE SIZED HAIL IN
MILLRY (WASHINGTON COUNTY ALABAMA)Special weather statement, Apr 10, 3:18 PM CDT, 2 hours 39 minutes before
ALZ013-015-016-MSZ014-013-102215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 317 PM CDT TUE APR 10 1990 SEVERE THUNDERSTORM WATCH NUMBER 119 REMAINS IN EFFECT FOR ALL COUNTIES IN SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. AT 300 PM CDT THE MOBILE RADAR SHOWED A LINE OF THUNDERSTORMS WITH HEAVY RAIN EXTENDING SOUTH FROM NEAR BIRMINGHAM TO NEW ORLEANS. THE HEAVIEST RAIN WAS LOCATED ALONG THE LINE FROM NEAR THOMASVILLE ALABAMA TO PICAYUNE MISSISSIPPI. THE LINE WAS MOVING TO THE SOUTHEAST AT 25 MPH. SMALL HAIL WAS REPORTED AT MILLRY IN NORTH WASHINGTON COUNTY AS THE STORMS MOVED THROUGH AROUND 250 PM. RESIDENTS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA SHOU%LD REMAIN ALERT TO THE POSSIBILITY OF SEVERE WEATHER UNTIL THIS LINE OF STORMS PASSES.
Special weather statement, Apr 10, 3:59 PM CDT, 1 hour 58 minutes before
ALZ013-014-015-016-MSZ013-102200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 357 PM CDT TUE APR 10 1990 TORNADO WATCH NUMBER 120 IS IN EFFECT FOR BALDWIN...MONROE...CONECUH...AND ESCAMBIA COUNTIES IN SOUTHWEST ALABAMA. SEVERE THUNDERSTORM WATCH NUMBER 119 THAT WAS IN EFFECT UNTIL 7 PM CDT FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI HAS BEEN CANCELLED. AT 345 PM CDT A LINE OF THUNDERSTORMS WITH HEAVY RAIN EXTENDED FROM NEAR MONROEVILLE ALABAMA TO GULFPORT MISSISSIPPI. THE STORMS WILL BE MOVING INTO THE CITY OF MOBILE DURING THE AFTERNOON RUSH HOUR BETWEEN 4 PM AND 530 PM CDT. THE LINE WAS MOVING TO THE SOUTHEAST AT 35 MPH. WINDS GUSTING TO 41 MPH WERE REPORT7ED AT THE MISSISSIPPI TEST FACILITY AROUND 315 PM AS THE LINE MOVED THROUGH.
Special weather statement, Apr 10, 5:00 PM CDT, 57 minutes before
ALZ013-014-015-016-MSZ013-110000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 500 PM CDT TUE APR 10 1990 TORNADO WATCH NUMBER 120 IS IN EFFECT FOR BALDWIN...MONROE...CONECUH... AND ESCAMBIA COUNTIES IN SOUTHWEST ALABAMA. AT 455 PM CDT A LINE OF THUNDERSTORMS 8 MILES WIDE WITH HEAVY RAINFALL FROM SOUTH OF EVERGREEN TO BAY MINETTE ALABAMA. THE STORMS WERE MOVING SOUTHEAST AT 35 MPH. OTHERWISE LIGHT TO MODERATE RAIN COVERED MOST OF SOUTHEAST MISSISSIPPI... SOUTHWEST ALABAMA... AND THE COASTAL WATERS OF MISSISSIPPI. RESIDENTS SHOULD BE ALERT FOR CHANGING WEATHER CONDITIONS FOR THE NEXT COUPLE HOURS AS THE SYSTEM MOVES SOUTHEAST OUT OF THE AREA.
Special weather statement, Apr 10, 5:56 PM CDT, 1 minute before
ALC003-035-053-099-110100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 555 PM CDT TUE APR 10 1990 ...TORNADO WATCH NUMBER 120 HAS BEEN CANCELLED FOR SOUTHWEST ALABAMA AS OF 600 PM CDT... AT 555 PM CDT MOBILE RADAR SHOWED A LARGE AREA OF LIGHT TO MODERATE SHOWERS WITH ISOLATED THUNDERSTORMS COVERING MOST OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THE STRONGER STORMS HAS MOVED INTO THE COASTAL WATERS SOUTH OF GULFSHORES ALABAMA. THE STORMS WERE MOVING SOUTHEAST AT 30 MPH. CONDITIONS WILL CONTINUE TO IMPROVE INTO THE NIGHT HOURS WITH THE RAIN ENDING FROM THE NORTHWEST AROUND MIDNIGHT.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 2:52 PM CDT | Severe Thunderstorm Warning | MOB | Barbour | 68 min |
| 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 |
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.