Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 96, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 12, 1990, 5:48 PM CDT for Choctaw County, Alabama. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- May 12, 1990, 5:48 PM CDT (22:48 UTC)
- Expired
- May 12, 1990, 6:30 PM CDT
- In force
- 42 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Choctaw 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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 10.8 hours before the alert went out and 140 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
- 1743 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 288 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 KMEI 122249 SVRMEI ALC023-122330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MERIDIAN MS 548 PM CDT SAT MAY 12 1990 THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL ALABAMA ...CHOCTAW COUNTY AT 547 PM CDT MERIDIAN WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES WEST OF BUTLER ALABAMA. THE STORM WAS MOVING EAST AT 35 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 CYOUR 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, May 12, 2:33 PM CDT, 3 hours 15 minutes before
MSZ009-012-ALZ008-013-122100-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
230 PM CDT SAT MAY 12 1990
SEVERE THUNDERSTORM WATCH NUMBER 219 IS IN EFFECT UNTIL 900 PM CDT
FOR ALL OF EAST CENTRAL MISSISSIPPI.
AT 220 PM CDT RADAR INDICATED WIDELY SCATTERED STRONG THUNDERSTORMS
AND PATCHES OF LIGHT RAIN ALONG AND NORTHWEST OF A COLUMBUS TO
DURANT TO PORT GIBSON LINE.
THE AREA WAS MOVING NORTHEAST AT 35 MPH AND IS EXPECTED TO CONTINUE
FOR THE NEXT SEVERAL HOURS.
ALL LIVING IN EAST CENTRAL MISSISSIPPI SHOULD REMAIN WEATHER ALERT
AS SEVERE WEATHER IS A STRONG POSSIBILITY THIS AFTERNOON.
CSpecial weather statement, May 12, 2:46 PM CDT, 3 hours 2 minutes before
MSZ001>004-006-008-010-011-122100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 240 PM CDT SAT MAY 12 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 219 REMAINS IN EFFECT FOR CENTRAL AND SOUTH MISSISSIPPI... AT 235 PM...A LINE OF STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL EXTENDED FROM NATCHEZ TO HOLLY BLUFF. THE STRONGEST STORMS WERE LOCATED FROM LORMAN TO EDWARDS. STORM MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR. THESE STORMS HAVE BEEN ASSOCIATED WITH HAIL...TORRENTIAL RAIN AND STRONG WINDS. AREAS OF STREET AND HIGHWAY FLOODING HAVE OCCURED WITH THESE STORMS WITH VICKSBURG AND GREENVILLE REPORTING FLOODING OF LOW-LYING AREAS. STRONG THUNDERSTORMS ARE CONTINUING TO DEVELOP OVER NORTHERN LOUISIANA AND SOUTHERN ARKANSAS AND WILL TRACK OVER CENTRAL AND SOUTHERN MISSISSIPPI FOR THE NEXT COUPLE OF HOURS. PLEASE REMAIN ALERT TO CHANGING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS OR WARNINGS[.
Special weather statement, May 12, 4:06 PM CDT, 1 hour 42 minutes before
MSZ009-012-ALZ008-013-122300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 405 PM CDT SAT MAY 12 1990 SEVERE THUNDERSTORM WATCH NUMBER 219 CONTINUES UNTIL 900 PM CDT FOR ALL OF EAST CENTRAL MISSISSIPPI. AT 400 PM NATIONAL WEATHER SERVICE RADAR INDICATED RAIN AND WIDELY SCATERED THUNDERSTORMS ALONG AND NORTHWEST OF A MACON TO EDINBURG TO DECATUR TO MONTICELLO LINE. ALSO THERE WAS A LINE OF STRONG THUNDERSTORMS THAT EXTENDED FROM NEAR FOREST TO NEW HERBON. MOVEMENT WAS TO THE EAST AT 40 MPH. THOSE OF YOU IN NEWTON...JASPER AND JONES COUNTIES SHOULD EXPECT STRONG GUSTY WINDS...SMALL HAIL...LIGHTNING AND HEAVY RAINFALL WITHIN THE NEXT HOUR OR BY 505 PM CDT.
Special weather statement, May 12, 5:02 PM CDT, 46 minutes before
MSZ009-012-ALZ008-013-130000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 500 PM CDT SAT MAY 12 1990 SEVERE THUNDERSTORM WATCH NUMBER 219 CONTINUES UNTIL 900 PM CDT FOR ALL OF EAST CENTRAL MISSISSIPPI. AT 455 PM RADAR SHOWED A SOLID LINE OF VERY STRONG THUNDERSTORMS THAT EXTENDED FROM 17 MILES NORTHWEST OF MERIDIAN TO 36 MILES SOUTHWEST OF MERIDIAN. THE LINE WAS MOVING EAST AT 40 MPH. THOSE OF YOU IN LAUDERDALE AND CLARKE COUNTIES OF EAST CENTRAL MISSISSIPPI SHOULD EXPECT FREQUENT LIGHTNING...STRONG GUSTY WINDS...SMALL HAIL AND PERIODS OF HEAVY RAINFALL TO START IN THE NEXT 10 TO 40 MINUTES OR FROM 510 TO 550 PM CDT.
Special weather statement, May 12, 5:10 PM CDT, 38 minutes before
MSZ001>004-006-008-010-011-122100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 500 PM CDT SAT MAY 12 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 219 REMAINS IN EFFECT FOR CENTRAL AND SOUTH MISSISSIPPI... AT 500 PM...A LINE OF STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL EXTENDED FROM MERIDIAN TO COLLINS. THE STRONGEST STORMS WERE LOCATED FROM BAY SPRINGS TO TAYLORSVILLE. STORM MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR. THESE STORMS HAVE BEEN ASSOCIATED WITH HAIL...TORRENTIAL RAIN AND STRONG WINDS. AREAS OF STREET AND HIGHWAY FLOODING HAVE OCCURED WITH THESE STORMS WITH VICKSBURG AND GREENVILLE REPORTING FLOODING OF LOW-LYING AREAS. STRONG THUNDERSTORMS ARE CONTINUING TO DEVELOP OVER NORTHERN LOUISIANA AND SOUTHERN ARKANSAS AND WILL TRACK OVER CENTRAL AND SOUTHERN MISSISSIPPI FOR THE NEXT COUPLE OF HOURS. PLEASE REMAIN ALERT TO CHANGING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS OR WARNINGS.
Special weather statement, May 12, 5:40 PM CDT, 8 minutes before
MSZALL-122345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 539 PM CDT SAT MAY 12 1990 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL AND SOUTH MISSISSIPPI TILL PM 9 PM... ...FLASH FLOOD WATCH FOR CENTRAL MISSISSIPPI TILL MIDNIGHT... AT 535 PM CDT...A 50 MILE WIDE AREA OF STRONG THUNDERSTORMS CONTINUED OVER SOUTH-CENTRAL MISSISSIPPI FROM ABOUT LORMAN TO MAGEE TO SHUBUTA. THESE THUNDERSTORMS CONTINUED TO MOVE OVER THE SAME GENERAL AREA...AND WERE QUICKLY SATURATING THE GROUND. THE STRONGEST STORMS WERE OVER NORTHERN LAWRENCE COUNTY...AND BETWEEN LAUREL AND MERIDIAN. OTHER SCATTERED THUNDERSTORMS WERE STILL INDICATED OVER EASTERN LOUISIANA...MOVING ;EASTWARD TOWARDS WESTERN MISSISSIPPI. A LARGE AREA OF RAIN WITH EMBEDDED THUNDERSTORMS CONTINUED OVER THE NORTHERN HALF OF MISSISSIPPI. MOVEMENT WAS EAST AT 40 MILES AN HOUR.
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.