Alert archive / Mississippi / Tornado Warnings in 2012
Tornado Warning 63, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Aug 30, 2012, 8:23 PM CDT for 4 counties in Mississippi. It was in force for 37 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
- Aug 30, 2012, 8:23 PM CDT (01:23 UTC)
- Expired
- Aug 30, 2012, 9:00 PM CDT
- In force
- 37 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
Counties Covington County, MS, Jasper County, MS, Jones County, MS, Smith County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 71 km from the middle of the area, began a volume at 01:26 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 |
|---|---|---|---|
| Aug 30, 3:56 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 1.4 hours before the alert went out and 81 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
- 42 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 796 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 303 m²/s²
- 0-3 km storm-relative helicity
- 319 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
691 WFUS54 KJAN 310123 TORJAN MSC031-061-067-129-310200- /O.NEW.KJAN.TO.W.0063.120831T0123Z-120831T0200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 823 PM CDT THU AUG 30 2012 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN SMITH COUNTY IN CENTRAL MISSISSIPPI... SOUTHWESTERN JASPER COUNTY IN EAST CENTRAL MISSISSIPPI... NORTHEASTERN COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI... NORTHWESTERN JONES COUNTY IN SOUTHEAST MISSISSIPPI... * UNTIL 900 PM CDT * AT 823 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES SOUTH OF TAYLORSVILLE MOVING NORTH AT 50 MPH. * THE TORNADO WILL BE NEAR... TAYLORSVILLE BY 830 PM CDT... TAYLORSVILLE BY 835 PM CDT... BAY SPRINGS BY 845 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION NOW. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR MISSISSIPPI. && LAT...LON 3203 8947 3203 8926 3164 8934 3164 8944 TIME...MOT...LOC 0123Z 182DEG 45KT 3171 8937 $$ JA
2 follow-up statements
902
WWUS54 KJAN 310143
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
843 PM CDT THU AUG 30 2012
MSC031-067-310154-
/O.CAN.KJAN.TO.W.0063.000000T0000Z-120831T0200Z/
JONES MS-COVINGTON MS-
843 PM CDT THU AUG 30 2012
...THE TORNADO WARNING FOR NORTHEASTERN COVINGTON AND NORTHWESTERN
JONES COUNTIES IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR MISSISSIPPI.
LAT...LON 3180 8931 3179 8944 3179 8945 3203 8947
3203 8926
TIME...MOT...LOC 0144Z 182DEG 45KT 3197 8936
$$
MSC061-129-310200-
/O.CON.KJAN.TO.W.0063.000000T0000Z-120831T0200Z/
SMITH MS-JASPER MS-
843 PM CDT THU AUG 30 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHWESTERN JASPER AND SOUTHEASTERN SMITH COUNTIES...
AT 844 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS LOCATED 6 MILES SOUTHWEST OF BAY SPRINGS MOVING NORTH AT
50 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR MISSISSIPPI.
&&
LAT...LON 3180 8931 3179 8944 3179 8945 3203 8947
3203 8926
TIME...MOT...LOC 0144Z 182DEG 45KT 3197 8936
$$
JA739
WWUS54 KJAN 310156
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
856 PM CDT THU AUG 30 2012
MSC061-129-310206-
/O.EXP.KJAN.TO.W.0063.000000T0000Z-120831T0200Z/
SMITH MS-JASPER MS-
856 PM CDT THU AUG 30 2012
...THE TORNADO WARNING FOR SOUTHWESTERN JASPER AND SOUTHEASTERN SMITH
COUNTIES WILL EXPIRE AT 900 PM CDT...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR MISSISSIPPI.
LAT...LON 3180 8931 3179 8944 3179 8945 3203 8947
3203 8926
TIME...MOT...LOC 0156Z 182DEG 45KT 3212 8935
$$
JAThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 7:41 PM CDT | Special Weather Statement | JAN | Rankin, Simpson | 59 min |
| Aug 30, 8:01 PM CDT | Special Weather Statement | JAN | Jasper | 29 min |
| Aug 30, 8:10 PM CDT | Tornado Warning | JAN | Jasper | 50 min |
| Aug 30, 8:29 PM CDT | Areal Flood Warning | JAN | Bolivar, Washington | 12 hr |
| Aug 30, 8:35 PM CDT | Flash Flood Watch | JAN | Adams, Claiborne, Clarke, Copiah, Covington, Forrest and 20 more | 4 hr |
| Aug 30, 8:48 PM CDT | Tornado Warning | JAN | Jefferson Davis, Lawrence, Marion | 42 min |
| Aug 30, 8:48 PM CDT | Tornado Warning | JAN | Newton | 45 min |
| Aug 30, 9:03 PM CDT | Flash Flood Warning | JAN | Jefferson Davis, Lawrence, Marion | 117 min |
| Aug 30, 9:29 PM CDT | Tornado Warning | JAN | Neshoba | 46 min |
| Aug 30, 9:39 PM CDT | Special Weather Statement | JAN | Rankin | 31 min |
| Aug 30, 10:07 PM CDT | Tornado Warning | JAN | Attala, Choctaw, Winston | 32 min |
| Aug 31, 1:36 AM CDT | Special Weather Statement | JAN | Madison, Rankin | 29 min |
| Aug 31, 10:21 AM CDT | River Flood Warning | JAN | Copiah, Simpson | 48 hr |
| Aug 31, 3:11 PM CDT | Special Weather Statement | JAN | Claiborne, Jefferson | 39 min |
| Aug 31, 3:30 PM CDT | Special Weather Statement | JAN | Jasper, Simpson, Smith | 40 min |
| Aug 31, 3:43 PM CDT | Special Weather Statement | JAN | Claiborne | 32 min |
| Aug 31, 4:02 PM CDT | Special Weather Statement | JAN | Warren | 43 min |
| Aug 31, 4:19 PM CDT | Special Weather Statement | JAN | Lamar, Marion | 41 min |
| Aug 31, 4:37 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Warren | 38 min |
| Aug 31, 4:57 PM CDT | Severe Thunderstorm Warning | JAN | Sharkey | 33 min |
| Aug 31, 5:01 PM CDT | Special Weather Statement | JAN | Madison | 29 min |
| Aug 31, 5:28 PM CDT | Special Weather Statement | JAN | Lowndes | 32 min |
| Aug 31, 5:29 PM CDT | Special Weather Statement | JAN | Lowndes | 31 min |
Nearby
Tornado Warnings in Mississippi, 2012Every tornado warning in 2012Tornadoes 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.