Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 49, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Feb 15, 2012, 9:20 PM CST for 4 counties in Mississippi. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 15, 2012, 9:20 PM CST (03:20 UTC)
- Expired
- Feb 15, 2012, 10:15 PM CST
- In force
- 55 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
Counties Covington County, MS, Jefferson Davis County, MS, Lamar County, MS, Marion County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 3.3 hours before the alert went out and 113 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
- 34 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 659 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 375 m²/s²
- 0-3 km storm-relative helicity
- 425 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
318
WUUS54 KJAN 160320
SVRJAN
MSC031-065-073-091-160415-
/O.NEW.KJAN.SV.W.0049.120216T0320Z-120216T0415Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
920 PM CST WED FEB 15 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI...
MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI...
THIS INCLUDES THE CITIES OF...KOKOMO...SANDY HOOK...COLUMBIA...
COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF COLLINS...
WESTERN LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 1015 PM CST
* AT 921 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 12 MILES NORTHWEST OF PROGRESS TO 9 MILES NORTHWEST OF HOLLY
SPRINGS TO 9 MILES WEST OF KOKOMO MOVING EAST AT 50 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SOCIETY HILL...MORGANTOWN...GOSS...PRENTISS...BUNKER HILL...
CARSON...PICKWICK...CLEM...LONE STAR...IMPROVE...MELBA...PINEBUR...
SUMRALL...BAXTERVILLE AND SANFORD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. WHILE NOT IMMEDIATELY
LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT
QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS
A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 3107 8985 3107 8992 3112 8995 3113 9002
3124 9005 3139 9004 3139 8996 3170 8997
3177 8940 3143 8940 3143 8945 3134 8944
3114 8950 3100 8950 3100 8983
TIME...MOT...LOC 0321Z 266DEG 42KT 3165 9005 3144 9000
3120 9011
$$
JA2 follow-up statements
315
WWUS54 KJAN 160350
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
950 PM CST WED FEB 15 2012
MSC031-065-073-091-160415-
/O.CON.KJAN.SV.W.0049.000000T0000Z-120216T0415Z/
MARION MS-LAMAR MS-JEFFERSON DAVIS MS-COVINGTON MS-
950 PM CST WED FEB 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CST
FOR COVINGTON...EASTERN JEFFERSON DAVIS...WESTERN LAMAR AND MARION
COUNTIES...
AT 950 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM LONE STAR TO MELBA TO COLUMBIA MOVING EAST AT 50 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
IMPROVE...PINEBUR...COLLINS...SUMRALL...SEMINARY...BAXTERVILLE AND
SANFORD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.
&&
LAT...LON 3100 8983 3107 8985 3107 8992 3112 8995
3114 9001 3140 8983 3169 8975 3173 8940
3143 8940 3143 8945 3135 8945 3134 8944
3114 8951 3101 8950
TIME...MOT...LOC 0350Z 266DEG 42KT 3167 8965 3147 8965
3123 8979
$$
JA436
WWUS54 KJAN 160403
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1003 PM CST WED FEB 15 2012
MSC065-160413-
/O.CAN.KJAN.SV.W.0049.000000T0000Z-120216T0415Z/
JEFFERSON DAVIS MS-
1003 PM CST WED FEB 15 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN JEFFERSON DAVIS COUNTY
IS CANCELLED...
LAT...LON 3100 8983 3106 8984 3107 8987 3114 8982
3125 8977 3138 8978 3144 8969 3144 8959
3154 8960 3171 8958 3173 8940 3143 8940
3143 8945 3133 8945 3116 8951 3101 8950
TIME...MOT...LOC 0403Z 266DEG 42KT 3168 8947 3148 8947
3124 8961
$$
MSC031-073-091-160415-
/O.CON.KJAN.SV.W.0049.000000T0000Z-120216T0415Z/
MARION MS-LAMAR MS-COVINGTON MS-
1003 PM CST WED FEB 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CST
FOR EASTERN COVINGTON...WESTERN LAMAR AND EASTERN MARION COUNTIES...
AT 1003 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM COLLINS TO SUMRALL TO 7 MILES NORTH OF PINEBUR MOVING
EAST AT 50 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BAXTERVILLE AND SANFORD
WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.
LAT...LON 3100 8983 3106 8984 3107 8987 3114 8982
3125 8977 3138 8978 3144 8969 3144 8959
3154 8960 3171 8958 3173 8940 3143 8940
3143 8945 3133 8945 3116 8951 3101 8950
TIME...MOT...LOC 0403Z 266DEG 42KT 3168 8947 3148 8947
3124 8961
$$The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 6:04 PM CST | Special Weather Statement | JAN | Claiborne, Jefferson, Warren | 56 min |
| Feb 15, 7:25 PM CST | Special Weather Statement | JAN | Adams | 30 min |
| Feb 15, 7:41 PM CST | Tornado Warning | JAN | Adams, Franklin | 34 min |
| Feb 15, 8:06 PM CST | Flash Flood Warning | JAN | Adams, Claiborne, Jefferson | 114 min |
| Feb 15, 8:12 PM CST | Severe Thunderstorm Warning | JAN | Franklin, Lincoln | 48 min |
| Feb 15, 8:56 PM CST | Severe Thunderstorm Warning | JAN | Lawrence, Lincoln | 39 min |
| Feb 15, 9:59 PM CST | Special Weather Statement | JAN | Forrest, Jones, Lamar | 41 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2012Every severe thunderstorm warning in 2012
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.