Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 99, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 2, 2012, 7:43 PM CST for Choctaw County, Webster County, Mississippi. It was in force for 35 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
- Mar 2, 2012, 7:43 PM CST (01:43 UTC)
- Expired
- Mar 2, 2012, 8:18 PM CST
- In force
- 35 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
Counties Choctaw County, MS, Webster County, MS
The radar
The Columbus AFB radar (KGWX), 99 km from the middle of the area, began a volume at 01:44 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 2, 1:20 PM CST | Tornado Watch | SPC | 9 hr |
| Mar 2, 4:47 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 1.7 hours before the alert went out and 147 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
- 449 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1691 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
872
WUUS54 KJAN 030143
SVRJAN
MSC019-155-030230-
/O.NEW.KJAN.SV.W.0099.120303T0143Z-120303T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
743 PM CST FRI MAR 2 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHOCTAW COUNTY IN CENTRAL MISSISSIPPI...
SOUTHEASTERN WEBSTER COUNTY IN NORTH CENTRAL MISSISSIPPI...
* UNTIL 830 PM CST
* AT 743 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 16
MILES WEST OF CHESTER MOVING NORTHEAST AT 50 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
CHESTER BY 755 PM CST...
REFORM BY 805 PM CST...
SHERWOOD AND MATHISTON BY 810 PM CST...
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY EVENING FOR
NORTHERN MISSISSIPPI.
&&
LAT...LON 3356 8902 3356 8909 3336 8909 3327 8931
3328 8932 3329 8946 3344 8945 3343 8942
3346 8938 3346 8941 3349 8935 3364 8902
TIME...MOT...LOC 0143Z 242DEG 42KT 3332 8944
$$
JA1 follow-up statement
397
WWUS54 KJAN 030218
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
818 PM CST FRI MAR 2 2012
MSC019-155-030227-
/O.CAN.KJAN.SV.W.0099.000000T0000Z-120303T0230Z/
WEBSTER MS-CHOCTAW MS-
818 PM CST FRI MAR 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR CHOCTAW AND SOUTHEASTERN
WEBSTER COUNTIES IS CANCELLED...
THE FIRST STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS
MOVED OUT OF THE COUNTY BUT ANOTHER STORM ACROSS SOUTHERN PORTIONS
OF CHOCTAW COUNTY CONTINUE TO BE SEVERE WARNED. NORTH AND CENTRAL
PORTIONS OF CHOCTAW HAVE NOW BEEN REMOVED FROM THE NORTHERN STORM
THAT MOVED INTO OKTIBBEHA COUNTY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY EVENING FOR
NORTHERN MISSISSIPPI. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 900 PM CST FRIDAY EVENING FOR NORTHEAST LOUISIANA AND
SOUTHWESTERN MISSISSIPPI.
LAT...LON 3356 8902 3356 8909 3336 8909 3327 8931
3328 8932 3329 8946 3344 8945 3343 8942
3346 8938 3346 8941 3349 8935 3364 8902
TIME...MOT...LOC 0217Z 242DEG 42KT 3350 8902
$$
JAThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 6:00 PM CST | Tornado Warning | JAN | Lamar | 45 min |
| Mar 2, 6:03 PM CST | Severe Thunderstorm Warning | JAN | Humphreys, Issaquena, Sharkey, Yazoo | 57 min |
| Mar 2, 6:06 PM CST | Special Weather Statement | JAN | Clarke | 44 min |
| Mar 2, 6:16 PM CST | Severe Thunderstorm Warning | JAN | Hinds, Issaquena, Warren, Yazoo | 74 min |
| Mar 2, 6:24 PM CST | Special Weather Statement | JAN | Lauderdale | 46 min |
| Mar 2, 6:24 PM CST | Severe Thunderstorm Warning | JAN | Attala, Choctaw, Montgomery, Webster | 66 min |
| Mar 2, 6:30 PM CST | Tornado Warning | JAN | Forrest | 31 min |
| Mar 2, 6:36 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 24 min |
| Mar 2, 6:50 PM CST | Severe Thunderstorm Warning | JAN | Attala, Holmes, Humphreys, Yazoo | 55 min |
| Mar 2, 6:56 PM CST | Special Weather Statement | JAN | Kemper | 29 min |
| Mar 2, 7:03 PM CST | Severe Thunderstorm Warning | JAN | Kemper | 11 min |
| Mar 2, 7:09 PM CST | Severe Thunderstorm Warning | JAN | Oktibbeha | 37 min |
| Mar 2, 7:18 PM CST | Tornado Warning | JAN | Hinds, Madison, Warren, Yazoo | 22 min |
| Mar 2, 7:19 PM CST | Severe Thunderstorm Warning | JAN | Attala, Carroll, Montgomery | 41 min |
| Mar 2, 7:21 PM CST | Severe Thunderstorm Warning | JAN | Lowndes, Noxubee | 24 min |
| Mar 2, 7:26 PM CST | Severe Thunderstorm Warning | JAN | Attala, Holmes | 64 min |
| Mar 2, 7:38 PM CST | Severe Thunderstorm Warning | JAN | Clay, Lowndes | 52 min |
| Mar 2, 7:41 PM CST | Severe Thunderstorm Warning | JAN | Hinds, Madison | 49 min |
| Mar 2, 8:06 PM CST | Severe Thunderstorm Warning | JAN | Choctaw, Winston | 39 min |
| Mar 2, 8:09 PM CST | Severe Thunderstorm Warning | JAN | Clay, Oktibbeha | 51 min |
| Mar 2, 8:15 PM CST | Special Weather Statement | JAN | Hinds | 25 min |
| Mar 2, 8:19 PM CST | Severe Thunderstorm Warning | JAN | Hinds, Madison, Rankin | 56 min |
| Mar 2, 8:39 PM CST | Severe Thunderstorm Warning | JAN | Lowndes, Noxubee, Oktibbeha, Winston | 66 min |
| Mar 2, 8:55 PM CST | Special Weather Statement | JAN | Winston | 30 min |
| Mar 2, 9:00 PM CST | Severe Thunderstorm Warning | JAN | Leake, Scott | 45 min |
| Mar 2, 9:06 PM CST | Severe Thunderstorm Warning | JAN | Neshoba, Winston | 24 min |
| Mar 2, 9:17 PM CST | Severe Thunderstorm Warning | JAN | Claiborne, Copiah, Hinds | 43 min |
| Mar 2, 9:23 PM CST | Severe Thunderstorm Warning | JAN | Noxubee | 29 min |
| Mar 2, 9:34 PM CST | Special Weather Statement | JAN | Newton | 31 min |
| Mar 2, 9:52 PM CST | Special Weather Statement | JAN | Kemper, Newton | 28 min |
| Mar 2, 10:13 PM CST | Severe Thunderstorm Warning | JAN | Kemper, Lauderdale | 47 min |
| Mar 2, 10:56 PM CST | Special Weather Statement | JAN | Lauderdale | 29 min |
| Mar 2, 11:10 PM CST | Flash Flood Warning | JAN | Lauderdale | 2 hr |
| Mar 2, 11:38 PM CST | Flash Flood Warning | JAN | Jasper, Newton, Smith | 88 min |
| Mar 2, 11:55 PM CST | Flash Flood Warning | JAN | Clarke | 72 min |
| Mar 3, 4:47 AM CST | Special Weather Statement | JAN | Rankin | 23 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; radar from the NEXRAD Level II archive.