Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 32, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 15, 1990, 9:56 PM CST for Lamar County, Mississippi. It was in force for 34 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
- Feb 15, 1990, 9:56 PM CST (03:56 UTC)
- Expired
- Feb 15, 1990, 10:30 PM CST
- In force
- 34 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Lamar County, MS
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 |
|---|---|---|---|
| Feb 15, 10:10 PM CST | Thunderstorm Wind 0 | Lamar, MS |
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
Slidell Radar S, LA (KSIL), launched 00:00Z, 3.9 hours before the alert went out and 108 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 160356
SVRJAN
MSC073-160430-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
956 PM CST THU FEB 15 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST MISSISSIPPI
...SOUTHERN LAMAR
AT 955 PM CST...A SEVERE THUNDERSTORM WAS INDICATED OVER NORTHERN
PEARL RIVER COUNTY NORTHWEST OF POPLARVILLE. THIS STORM WAS HEADED UP
INTO SOUTHERN LAMAR COUNTY TOWARDS LUMBERTON. MOVEMENT WAS NORTHEAST
AT 60 MILES AN HOUR.
A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER SEVERE THUNDERSTORMS
CAN 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 15, 5:00 PM CST, 4 hours 56 minutes before
ALZ016-013-015-MSZ013-014-160000 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 500 PM CST THU FEB 15 1990 ...TORNADO WATCH CANCELLED FOR SOUTHWEST ALABAMA...CONTINUES FOR PORTIONS OF SOUTHEAST MISSISSIPPI... THE TORNADO WATCH HAS BEEN CANCELLED FOR PORTIONS OF SOUTHWEST ALABAMA ...BUT SEVERAL SOUTHEAST MISSISSIPPI COUNTIES REMAIN UNDER ANOTHER TORNADO WATCH. THOSE COUNTIES ARE PEARL-RIVER...PERRY AND GREENE. THE MOBILE RADAR AT 455 PM SHOWED ONLY LIGHT TO MODERATE SHOWERS OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THEY WERE MOVING RAPIDLY TO THE NORTH NORTHEAST. FURTHER NORTH...VERY STRONG THUNDERSTORMS WERE OCCURRING OVER CENTRAL ALABAMA AND EAST CENTRAL MISSISSIPPI. RESIDENTS IN THOSE MISSISSIPPI COUNTIES IN THE WATCH AREA SHOULD REMAIN ALERT THIS EVENING.
Special weather statement, Feb 15, 5:01 PM CST, 4 hours 55 minutes before
ALZ016-013-015-MSZ013-014-160000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 500 PM CST THU FEB 15 1990 ...TORNADO WATCH CANCELLED FOR SOUTHWEST ALABAMA...CONTINUES FOR PORTIONS OF SOUTHEAST MISSISSIPPI... THE TORNADO WATCH HAS BEEN CANCELLED FOR PORTIONS OF SOUTHWEST ALABAMA ...BUT SEVERAL SOUTHEAST MISSISSIPPI COUNTIES REMAIN UNDER ANOTHER TORNADO WATCH. THOSE COUNTIES ARE PEARL-RIVER...PERRY AND GREENE. THE MOBILE RADAR AT 455 PM SHOWED ONLY LIGHT TO MODERATE SHOWERS OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THEY WERE MOVING RAPIDLY TO THE NORTH NORTHEAST. FURTHER NORTH...VERY STRONG THUNDERSTORMS WERE OCCURRING OVER CENTRAL ALABAMA AND EAST CENTRAL MISSISSIPPI. RESIDENTS IN THOSE MISSISSIPPI COUNTIES IN THE WATCH AREA SHOULD REMAIN ALERT THIS EVENING.
Special weather statement, Feb 15, 8:02 PM CST, 1 hour 54 minutes before
MSZ013-014-160330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 800 PM CST THU FEB 15 1990 ...TORNADO WATCH REMAINS IN EFFECT FOR PORTIONS OF SOUTHEAST MISSISSIPPI... A TORNADO WATCH REMAINS IN EFFECT FOR PEARL-RIVER...PERRY AND GREENE COUNTIES OF MISSISSIPPI UNTIL 1000 PM. THE MOBILE RADAR AT 755 PM INDICATED A SCATTERED LINE OF DEVELOPING THUNDERSTORMS FROM NEAR MERIDIAN SOUTHWEST TO JUST WEST OF NEW ORLEANS. THE LINE WAS DRIFTING SLOWLY EAST WHILE THE THUNDERSTORMS WERE MOVING TOWARD THE NORT NORTHEAST AT 40 MPH. THIS LINE OF THUNDERSTORMS IS EXPECTED TO CONTINUE DEVELOPING AND DRIFTING EAST AND WILL AFFECT PORTIONS OF SOUTHEAST MISSISSIPPI BEFORE MIDNIGHT.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 9:49 PM CST | Severe Thunderstorm Warning | MOB | Pearl River | 26 min |
| Feb 15, 10:09 PM CST | Tornado Warning | MOB | Forrest, Lamar | 36 min |
| Feb 15, 10:40 PM CST | Severe Thunderstorm Warning | MOB | Perry | 35 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 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.