Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 45, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 16, 1990, 9:31 AM CST for Baldwin County, Alabama. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Feb 16, 1990, 9:31 AM CST (15:31 UTC)
- Expired
- Feb 16, 1990, 10:00 AM CST
- In force
- 29 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Baldwin 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 3.5 hours before the alert went out and 192 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
- 1071 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 161532 SVRMOB ALC003-161600- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 931 AM CST FRI FEB 16 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...BALDWIN COUNTY AT 930 AM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHEAST OF ROBERTSDALE. IT WAS MOVING NORTHEAST AT 45 MPH. 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 CONDITIONS.
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, Feb 16, 3:39 AM CST, 5 hours 52 minutes before
ALZ016-013-015-MSZ013-014-161200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 340 AM CST FRI FEB 16 1990 ...TORNADO WATCH NUMBER 44 IN EFFECT FOR SOUTHEAST MISSISSIPPI AND PARTS OF SOUTHWEST ALABAMA UNTIL 1000AM... ALL COUNTIES IN SOUTHEAST MISSISSIPPI EXCEPT HARRISON AND JACKSON... AND WASHINGTON...CLARK...MONROE...AND CONECUH COUNTIES IN SOUTHWEST ALABAMA ARE UNDER THE TORNADO WATCH. AT 330 AM THE MOBILE RADAR INDICATED SEVERAL BANDS OF SHOWERS AND THUNDERSHOWERS ACROSS SOUTHWEST ALABAMA INTO SOUTHEAST MISSISSIPPI. THE SHOWERS WERE MOVING TO THE NORTHEAST AT 50 MPH. STRONG THUNDERSTORMS WERE MOVING THROUGH SOUTHCENTRAL MISSISSIPPI BETWEEN HATTIESBURG AND MERIDIAN INTO CENTRAL AND NORTH ALABAMA. RESIDENTS SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER.
Special weather statement, Feb 16, 5:43 AM CST, 3 hours 48 minutes before
ALZ016-013-015-MSZ013-014-161330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 540 AM CST FRI FEB 16 1990 ...TORNADO WATCH NUMBER 44 IN EFFECT FOR SOUTHEAST MISSISSIPPI AND PARTS OF SOUTHWEST ALABAMA UNTIL 1000AM... ALL COUNTIES IN SOUTHEAST MISSISSIPPI EXCEPT HARRISON AND JACKSON ARE UNDER THE WATCH AND IN SOUTHWEST ALABAMA WASHINGTON...CLARK... MONROE...AND CONECUH COUNTIES ARE UNDER THE WATCH. AT 530 AM THE MOBILE RADAR INDICATED SEVERAL BANDS OF SHOWERS AND THUNDERSHOWERS ACROSS SOUTHWEST ALABAMA INTO SOUTHEAST MISSISSIPPI. THE SHOWERS WERE MOVING TO THE NORTHEAST AT 50 MPH. STRONG THUNDERSTORMS WERE MOVING THROUGH SOUTH AND CENTRAL MISSISSIPPI BETWEEN HATTIESBURG AND MERIDIAN INTO CENTRAL AND NORTH ALABAMA. RESIDENTS SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER.
Special weather statement, Feb 16, 7:10 AM CST, 2 hours 21 minutes before
ALZ016-013-015-MSZ013-014-161530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 710 AM CST FRI FEB 16 1990 ...TORNADO WATCH NO. 44 REMAINS IN EFFECT FOR SOUTHEAST MISSISSIPPI AND PRTS OF SOUTHWEST ALABAMA UNTIL 1000 AM CST... ALL COUNTIES IN SOUTHEAST MISSISSIPPI EXCEPT HARRISON AND JACKSON... ALSO SOUTHWEST ALABAMA COUNTIES OF WASHINGTON...CLARKE...MONROE... AND CONECUH ARE UNDER THE WATCH. AT 705 AM CST MOBILE RADAR SHOWED SEVERAL BANDS OF SHOWERS AND STRONG THUNDERSTORMS OVER MUCH OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THE STRONGEST STORMS WERE IN A LINE SOME 10 MILES WIDE FROM NORTHEAST OF CHATOM ALABAMA TO 15 MILES NORTH OF BILOXI MISSISSIPPI. THE STORMS CWERE MOVING NORTHEAST AT 40 MPH. RESIDENTS AND MOTORISTS SHOULD REMAIN ALERT FOR CHANGING WEATHER AND BE PREPARE TO TAKE NECESSARY ACTION FOR SAFETY.
Local storm report, Feb 16, 9:21 AM CST, 10 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 920 AM CST TUE FEB 14 1990 EVERGREEN STATE REPORTS: 850 AM MONROE CO., AL STREET SIGNS BLOWN DOWN IN MONROEVILLE. 915 AM CONECUH CO., AL ROOFS OFF SOME BUILDINGS IN REPTON
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 7:04 AM CST | Severe Thunderstorm Warning | MOB | Coosa | 56 min |
| Feb 16, 7:16 AM CST | Severe Thunderstorm Warning | MOB | Autauga, Elmore | 59 min |
| Feb 16, 7:31 AM CST | Severe Thunderstorm Warning | MOB | Wilcox | 59 min |
| Feb 16, 7:52 AM CST | Flash Flood Warning | MOB | Tallapoosa | 68 min |
| Feb 16, 7:52 AM CST | Severe Thunderstorm Warning | MOB | Tallapoosa | 68 min |
| Feb 16, 8:10 AM CST | Severe Thunderstorm Warning | MOB | Autauga, Elmore, Montgomery | 65 min |
| Feb 16, 9:00 AM CST | Severe Thunderstorm Warning | MOB | Chambers, Tallapoosa | 60 min |
| Feb 16, 9:00 AM CST | Severe Thunderstorm Warning | MOB | Butler | 60 min |
| Feb 16, 9:12 AM CST | Severe Thunderstorm Warning | MOB | Crenshaw, Pike | 63 min |
| Feb 16, 9:12 AM CST | Severe Thunderstorm Warning | MOB | Bullock, Macon | 63 min |
| Feb 16, 9:12 AM CST | Severe Thunderstorm Warning | MOB | Lee | 63 min |
| Feb 16, 9:13 AM CST | Severe Thunderstorm Warning | MOB | Conecuh | 62 min |
| Feb 16, 9:53 AM CST | Severe Thunderstorm Warning | MOB | Coffee, Covington | 67 min |
| Feb 16, 9:59 AM CST | Severe Thunderstorm Warning | MOB | Baldwin | 61 min |
| Feb 16, 10:12 AM CST | Severe Thunderstorm Warning | MOB | Barbour, Dale | 63 min |
| Feb 16, 10:55 AM CST | Tornado Warning | MOB | Dale | 50 min |
| Feb 16, 11:13 AM CST | Severe Thunderstorm Warning | MOB | Henry, Houston | 62 min |
| Feb 16, 11:13 AM CST | Severe Thunderstorm Warning | MOB | Geneva | 62 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; the sounding from the Mesonet's radiosonde archive.