Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 91, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 10, 1990, 4:56 PM CDT for Lee County, Alabama. It was in force for 64 min. 3 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
- Apr 10, 1990, 4:56 PM CDT (21:56 UTC)
- Expired
- Apr 10, 1990, 6:00 PM CDT
- In force
- 64 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Lee 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, 5:00 PM CDT | Thunderstorm Wind 0 | Lee, AL | |
| Apr 10, 5:30 PM CDT | Thunderstorm Wind 0 | Lee, AL | |
| Apr 10, 5:45 PM CDT | Thunderstorm Wind 0 | Lee, 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, 9.9 hours before the alert went out and 176 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 102157 SVRMGM ALC081-102300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MONTGOMERY AL 456 PM CDT TUE APR 10 1990 THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...LEE COUNTY WEATHER RADAR AT CENTERVILLE SHOWED A SEVERE THUNDERSTORM 15 MILES WEST OF AUBURN MOVING EAST AT ABOUT 35 MILES AN HOUR. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIO
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, 2 hours 28 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, 1 hour 52 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, 1 hour 38 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, 57 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.
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, 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.