Alert archive / Mississippi / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 13, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Feb 19, 1991, 4:52 PM CST for Lawrence County, Mississippi. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Feb 19, 1991, 4:52 PM CST (22:52 UTC)
- Expired
- Feb 19, 1991, 5:45 PM CST
- In force
- 53 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Lawrence County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 10.9 hours before the alert went out and 86 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
- 211 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 663 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 132 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 KJAN 192253 SVRJAN MSC077-192345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 452 PM CST TUE FEB 19 1991 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL MISSISSIPPI ...LAWRENCE COUNTY A SEVERE THUNDERSTORM WAS INDICATED MOVING INTO WESTERN LAWRENCE COUNTY AT 450 PM. THE THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 45 TO 50 MPH AND SHOULD MOVE TO NEAR MONTICELLO BETWEEN 5 AND 530 PM SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN INTERIOR ROOMs ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. <
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 19, 12:54 PM CST, 3 hours 58 minutes before
MSZ009-012-ALZ008-013-192000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1250 PM CST TUE FEB 19 1991 TORNADO WATCH NUMBER 14 WHICH INCLUDES CLARK...JASPER...KEMPER ...LAUDERDALE...NESHOBA...NEWTON...NOXUBEE...JONES...AND WAYNE COUNTIES IN EAST CENTRAL MISSISSIPPI AND CHOCTAW AND SUMTER COUNTIES IN EXTREME WEST CENTRAL ALABAMA IN EFFECT UNTIL 500 PM CST. NO SEVERE WEATHER HAS BEEN REPORTED TO THE MERIDIAN WEATHER SERVICE DURING THE PAST TWO HOURS...HOWEVER CONDITIONS REMAIN FAVORABLE FOR SEVERE WEATHER DEVELOPMENT IN AND CLOSE TO THE WATCH AREA. AT 1245 PM CST MERIDIAN WEATHER RADAR INDICATED A LARGE AREA OF RAIN AND THUNDERSTORMS ALONG AND NORTHWEST OF A LINE FROM TUSCALOOSA ALABAMA TO QUITMAN TO LAUREL MISSISSIPPI. A FEW OF THE THUNDERSTORMS CONTAIN HEAVY RAIN. INTENSITY OF THE THUNDERSTORMS HAS DECREASED DURING THE PAST HOUR. THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. << k
Special weather statement, Feb 19, 1:46 PM CST, 3 hours 6 minutes before
MSZALL-ARZ014>016-LAZ002-003-004-006-009-010-013- ALZ004-008-013-016-192040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 130 PM CST TUE FEB 19 1991 ...TORNADO WATCH 14 REMAINS IN EFFECT FOR SECTIONS OF EAST AND SOUTH MISSISSIPPI TIL 5 PM CST... AT 125 PM CST THUNDERSTORMS WITH HEAVY RAINFALL WERE WIDELY SCATTERED FROM EAST CENTRAL MISSISSIPPI NEAR MERIDIAN...TO THE SOUTHWEST CORNER OF MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE 15 MILES SOUTHWEST OF CRYSTAL SPRINGS...AND ALSO BETWEEN GEORGETOWN AND NEW HEBRON. THESE STORMS MAY PRODUCE GUSTY WINDS...FREQUENT LIGHTNING...AND TORRENTIAL RAINS. ELSEWHERE...LIGHT RAIN CONTINUED OVER MUCH OF MISSISSIPPI AND EXTENDED INTO ADJACENT STATES. MOVEMENT WAS NORTHEAST AT 40 MPH. ADDITIONAL SHOWERS AND THUNDERSTORMS FORMING OVER WEST LOUISIANA AND SOUTH ARKANSAS WILL BE MOVING INTO WEST MISSISSIPPI LATER THIS AFTERNOON.
Special weather statement, Feb 19, 2:31 PM CST, 2 hours 21 minutes before
MSZ009-012-ALZ008-013-192200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 220 PM CST TUE FEB 19 1991 TORNADO WATCH NUMBER 14 REMAINS IN EFFECT UNTIL 5 PM CST. FLOOD WARNING FOR NEWTON AND LAUDERDALE COUNTIES IN EAST CENTRAL MISSISSIPPI IN EFFECT UNTIL 545 PM CST. TORNADO NUMBER WATCH 14 IS NO LONGER IN EFFECT FOR NOXUBEE AND NESHOBA COUNTIES IN EAST CENTRAL MISSISSIPPI. AT 215 PM CST MERIDIAN WEATHER RADAR INDICATED VERY HEAVY RAIN CONTINUED OVER NEWTON AND LAUDERDALE COUNTIES. ELSEWHERE RAIN AND THUNDERSTORMS WERE INDICATED ALONG AND NORTHWEST OF A LINE FROM GREENSBORO ALABAMA TO SHUBUTA TO COLUMBIA MISSISSIPPI. NEWTON COUNTY C. D. REPORTS WATER OVER MOST COUNTY ROADS IN LOW LYING AREAS. 4 TO 5 INCHES OF WATER ON STREETS IN HICKORY MISSISSIPPI. LAUDERDALE COUNTY C. D. REPORTS SEVERAL SMALL STREAMS AT BANKFUL AND SOME ROADS UNDER WATER.
Special weather statement, Feb 19, 2:40 PM CST, 2 hours 12 minutes before
MSZALL-ARZ014>016-LAZ002-003-004-006-009-010-013- ALZ004-008-013-016-192140- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 230 PM CST TUE FEB 19 1991 ...TORNADO WATCH 14 REMAINS IN EFFECT FOR SECTIONS OF EAST AND SOUTH MISSISSIPPI TIL 5 PM CST... AT 225 PM CST THUNDERSTORMS WITH HEAVY RAINFALL WERE WIDELY SCATTERED FROM EAST CENTRAL MISSISSIPPI NEAR MERIDIAN...TO THE SOUTHWEST CORNER OF MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE BETWEEN MONTICELLO AND PRENTISS AND THESE STORMS MAY PRODUCE GUSTY WINDS...FREQUENT LIGHTNING... AND TORRENTIAL RAINS. MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR. ELSEWHERE...LIGHT RAIN CONTINUED OVER MUCH OF MISSISSIPPI AND EXTENDED INTO ADJACENT STATES. HEAVIER RAINS ARE STILL EXPECTED TO REDEVELOP LATER TODAY THROUGH TONIGHT...MAINLY OVER SOUTH AND EAST COUNTIES.
Special weather statement, Feb 19, 3:42 PM CST, 1 hour 10 minutes before
MSZALL-ARZ014>016-LAZ002-003-004-006-009-010-013- ALZ004-008-013-016-192240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 330 PM CST TUE FEB 19 1991 ...TORNADO WATCH 14 CANCELLED FOR SECTIONS OF EAST AND SOUTH MISSISSIPPI... AT 325 PM CST THUNDERSTORMS WITH HEAVY RAINFALL WERE WIDELY SCATTERED FROM EAST CENTRAL MISSISSIPPI NEAR MERIDIAN...ACROSS SOUTH MISSISSIPPI... TO THE SOUTHWEST CORNER OF MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE BETWEEN NEW HEBRON AND PRENTISS...AND ALSO EAST OF RALEIGH. THESE STORMS MAY PRODUCE GUSTY WINDS...FREQUENT LIGHTNING AND TORRENTIAL RAINS. MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR. ELSEWHERE...LIGHT RAIN CONTINUE$D OVER MUCH OF MISSISSIPPI AND EXTENDED INTO ADJACENT STATES. HEAVIER RAINS ARE STILL EXPECTED TO REDEVELOP LATER TODAY.
Special weather statement, Feb 19, 3:50 PM CST, 1 hour 2 minutes before
MSZ009-012-ALZ008-013-192300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 345 PM CST TUE FEB 19 1991 TORNADO WATCH NUMBER 14 HAS BEEN CANCELLED. FLOOD WARNING FOR NEWTON AND LAUDERDALE COUNTIES IN EAST CENTRAL MISSISSIPPI CONTINUES IN EFFECT UNTIL 545 PM CST. A FLASH FLOOD WATCH HAS BEEN ISSUED FOR ALL COUNTIES IN EAST CENTRAL MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA. AT 340 PM CST MERIDIAN WEATHER RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS ALONG AND NORTHWEST OF A LINE FROM CAMP SHELBY MISSISSIPPI TO BIRMINGHAM ALABAMA. THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE TO MOVE ACROSS NEWTON AND LAUDERDALE COUNTIES. THIS ADDITIONAL HEAVY RAIN WILL ,CONTINUE TO CAUSE FLOODING PROBLEMS.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 4:48 AM CST | Flash Flood Warning | JAN | Bolivar, Sunflower, Washington | 4 hr |
| Feb 19, 4:48 AM CST | Flash Flood Warning | JAN | Carroll, Grenada, Leflore | 4 hr |
| Feb 19, 4:48 AM CST | Flash Flood Warning | JAN | Tallahatchie, Yalobusha | 4 hr |
| Feb 19, 6:56 AM CST | Flash Flood Warning | JAN | Calhoun | 3 hr |
| Feb 19, 6:56 AM CST | Flash Flood Warning | JAN | Montgomery | 3 hr |
| Feb 19, 6:56 AM CST | Flash Flood Warning | JAN | Humphreys, Sharkey | 3 hr |
| Feb 19, 6:56 AM CST | Flash Flood Warning | JAN | Issaquena | 3 hr |
| Feb 19, 7:25 AM CST | Severe Thunderstorm Warning | JAN | Yazoo | 20 min |
| Feb 19, 9:06 AM CST | Flash Flood Warning | JAN | Carroll, Grenada, Leflore | 7 hr |
| Feb 19, 9:06 AM CST | Flash Flood Warning | JAN | Bolivar, Sunflower, Tallahatchie, Washington | 7 hr |
| Feb 19, 9:06 AM CST | Flash Flood Warning | JAN | Yalobusha | 7 hr |
| Feb 19, 9:36 AM CST | Severe Thunderstorm Warning | JAN | Neshoba, Winston | 54 min |
| Feb 19, 10:46 AM CST | Severe Thunderstorm Warning | JAN | Smith | 44 min |
| Feb 19, 1:36 PM CST | Flash Flood Warning | JAN | Lauderdale, Newton | 4 hr |
| Feb 19, 4:28 PM CST | Flash Flood Warning | JAN | Leflore, Sunflower, Tallahatchie | 6 hr |
| Feb 19, 4:28 PM CST | Flash Flood Warning | JAN | Bolivar, Washington | 6 hr |
| Feb 19, 4:28 PM CST | Flash Flood Warning | JAN | Yalobusha | 6 hr |
| Feb 19, 5:57 PM CST | Flash Flood Warning | JAN | Lauderdale | 7 hr |
| Feb 19, 5:57 PM CST | Flash Flood Warning | JAN | Noxubee | 7 hr |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1991Every severe thunderstorm warning in 1991
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.