Alert archive / Mississippi / Tornado Warnings in 2012
Tornado Warning 31, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Mar 21, 2012, 10:55 AM CDT for Claiborne County, Warren County, Mississippi. It was in force for 33 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 21, 2012, 10:55 AM CDT (15:55 UTC)
- Expired
- Mar 21, 2012, 11:28 AM CDT
- In force
- 33 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
Counties Claiborne County, MS, Warren County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 76 km from the middle of the area, began a volume at 15:58 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 21, 10:58 AM CDT | TSTM WND DMG | 2 Ese Vicksburg, MS | NUMEROUS TREES AND POWERLINES DOWN...SOME TREES ON HOUSES...ROOF OFF AT LEAST ONE BUILDING AND AT LEAST SOME MINOR STRUCTURAL DAMAGE TO A FEW HOMES...ON EAST SIDE OF VICKSBURG AND IN AREA JUST EAST AND SOUTHEAST OF VICKSBURG. BASED ON RADAR POSSIBLE TORNADO AN |
| Mar 21, 10:58 AM CDT | TSTM WND DMG | 3 Se Yokena, MS | NUMEROUS REPORTS OF TREES AND POWERLINES DOWN WITH NUMEROUS ROADS BLOCKED. PROBABLE TORNADO IN THIS AREA BASED ON RADAR. |
| Mar 21, 11:11 AM CDT | TORNADO 1 | 2 Sse Vicksburg, MS | THIS TORNADO OVERTURNED TWO TRAILERS...SNAPPED TREES AND PEELED PART OF A MEDAL ROOF OFF A BUILDING AT THE ARMY CORPS OF ENGINEERS EXPERIMENTAL STATION. THE TORNADO WAS RATED EF1 WITH MAX WINDS OF 90 MPH...MAX WIDTH OF 100 YARDS AND PATH LENGTH WAS 1.75 MILES. |
| Mar 21, 11:20 AM CDT | TSTM WND DMG | 6 Ne Vicksburg, MS | A TREE WAS DOWNED ON A POWER LINE ALONG BOY SCOUT RD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 21, 5:04 AM CDT | Tornado Watch | SPC | 7 hr |
| Mar 21, 10:07 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 3.9 hours before the alert went out and 67 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
- 143 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 559 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 239 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
254
WFUS54 KJAN 211555
TORJAN
MSC021-149-211700-
/O.NEW.KJAN.TO.W.0031.120321T1555Z-120321T1700Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1055 AM CDT WED MAR 21 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN CLAIBORNE COUNTY IN SOUTHWEST MISSISSIPPI...
EASTERN WARREN COUNTY IN WEST CENTRAL MISSISSIPPI...
THIS INCLUDES THE CITIES OF...REDWOOD...VICKSBURG...
* UNTIL NOON CDT
* AT 1055 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES WEST OF
ROCKY SPRINGS MOVING NORTHEAST AT 35 MPH.
* THE TORNADO WILL BE NEAR...
ROCKY SPRINGS BY 1100 AM CDT...
YOKENA AND LE TOURNEAU BY 1105 AM CDT...
VICKSBURG BY 1120 AM CDT...
BOVINA BY 1130 AM CDT...
FLOWERS BY 1135 AM CDT...
REDWOOD BY 1140 AM 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 600 PM CDT WEDNESDAY EVENING
FOR NORTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3228 9095 3237 9087 3234 9092 3244 9089
3245 9086 3258 9085 3256 9073 3261 9072
3262 9069 3259 9069 3259 9066 3255 9065
3253 9057 3235 9066 3234 9071 3230 9070
3209 9079 3202 9083 3206 9100
TIME...MOT...LOC 1555Z 205DEG 32KT 3208 9091
$$
192 follow-up statements
671
WWUS54 KJAN 211608
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1108 AM CDT WED MAR 21 2012
MSC021-211618-
/O.CAN.KJAN.TO.W.0031.000000T0000Z-120321T1700Z/
CLAIBORNE MS-
1108 AM CDT WED MAR 21 2012
...THE TORNADO WARNING FOR NORTH CENTRAL CLAIBORNE COUNTY IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT WEDNESDAY EVENING
FOR NORTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
LAT...LON 3228 9095 3237 9087 3234 9092 3244 9089
3245 9086 3257 9085 3256 9074 3262 9069
3259 9069 3259 9066 3255 9065 3253 9057
3235 9066 3234 9071 3230 9070 3222 9074
3216 9083 3218 9097
TIME...MOT...LOC 1608Z 191DEG 46KT 3227 9087
$$
MSC149-211700-
/O.CON.KJAN.TO.W.0031.000000T0000Z-120321T1700Z/
WARREN MS-
1108 AM CDT WED MAR 21 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR EASTERN
WARREN COUNTY...
AT 1108 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS LOCATED NEAR LE TOURNEAU MOVING NORTH AT 55 MPH.
THE TORNADO WILL BE NEAR...
VICKSBURG AND BOVINA BY 1115 AM CDT...
FLOWERS BY 1120 AM CDT...
REDWOOD...OAK RIDGE AND YOUNGTON BY 1125 AM 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 600 PM CDT WEDNESDAY EVENING
FOR NORTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3228 9095 3237 9087 3234 9092 3244 9089
3245 9086 3257 9085 3256 9074 3262 9069
3259 9069 3259 9066 3255 9065 3253 9057
3235 9066 3234 9071 3230 9070 3222 9074
3216 9083 3218 9097
TIME...MOT...LOC 1608Z 191DEG 46KT 3227 9087
$$
MME190
WWUS54 KJAN 211628
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1128 AM CDT WED MAR 21 2012
MSC149-211637-
/O.CAN.KJAN.TO.W.0031.000000T0000Z-120321T1700Z/
WARREN MS-
1128 AM CDT WED MAR 21 2012
...THE TORNADO WARNING FOR EASTERN WARREN COUNTY IS CANCELLED...
THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT WEDNESDAY EVENING
FOR NORTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
LAT...LON 3228 9095 3237 9087 3234 9092 3244 9089
3245 9086 3257 9085 3256 9074 3262 9069
3259 9069 3259 9066 3255 9065 3253 9057
3235 9066 3234 9071 3230 9070 3222 9074
3216 9083 3218 9097
TIME...MOT...LOC 1627Z 191DEG 46KT 3251 9081
$$
MMEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 9:42 AM CDT | Severe Thunderstorm Warning | JAN | Adams | 40 min |
| Mar 21, 10:10 AM CDT | Special Weather Statement | JAN | Jefferson | 60 min |
| Mar 21, 10:18 AM CDT | Severe Thunderstorm Warning | JAN | Franklin, Jefferson | 42 min |
| Mar 21, 10:20 AM CDT | Areal Flood Warning | JAN | Adams | 3 hr |
| Mar 21, 10:24 AM CDT | Tornado Warning | JAN | Jefferson | 27 min |
| Mar 21, 10:29 AM CDT | Tornado Warning | JAN | Claiborne, Jefferson | 40 min |
| Mar 21, 10:35 AM CDT | Severe Thunderstorm Warning | JAN | Franklin, Lincoln | 55 min |
| Mar 21, 10:48 AM CDT | Severe Thunderstorm Warning | JAN | Warren | 57 min |
| Mar 21, 11:05 AM CDT | Special Weather Statement | JAN | Copiah | 45 min |
| Mar 21, 11:17 AM CDT | Severe Thunderstorm Warning | JAN | Copiah | 58 min |
| Mar 21, 11:25 AM CDT | Special Weather Statement | JAN | Hinds | 60 min |
| Mar 21, 11:32 AM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey, Yazoo | 58 min |
| Mar 21, 11:34 AM CDT | Special Weather Statement | JAN | Lawrence | 31 min |
| Mar 21, 11:40 AM CDT | Special Weather Statement | JAN | Hinds | 60 min |
| Mar 21, 11:44 AM CDT | Special Weather Statement | JAN | Lincoln | 31 min |
| Mar 21, 12:05 PM CDT | Severe Thunderstorm Warning | JAN | Yazoo | 55 min |
| Mar 21, 12:09 PM CDT | Severe Thunderstorm Warning | JAN | Lawrence | 51 min |
| Mar 21, 12:14 PM CDT | Special Weather Statement | JAN | Forrest | 61 min |
| Mar 21, 12:20 PM CDT | Special Weather Statement | JAN | Madison | 60 min |
| Mar 21, 12:38 PM CDT | Severe Thunderstorm Warning | JAN | Marion | 37 min |
| Mar 21, 12:42 PM CDT | Special Weather Statement | JAN | Rankin | 58 min |
| Mar 21, 12:56 PM CDT | Special Weather Statement | JAN | Yazoo | 29 min |
| Mar 21, 1:10 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Forrest, Jefferson Davis, Lamar, Marion | 65 min |
| Mar 21, 1:18 PM CDT | Special Weather Statement | JAN | Hinds | 52 min |
| Mar 21, 1:26 PM CDT | Special Weather Statement | JAN | Madison | 49 min |
| Mar 21, 1:29 PM CDT | Special Weather Statement | JAN | Simpson, Smith | 61 min |
| Mar 21, 1:55 PM CDT | Special Weather Statement | JAN | Rankin | 50 min |
| Mar 21, 2:05 PM CDT | Tornado Warning | JAN | Rankin | 21 min |
| Mar 21, 2:21 PM CDT | Special Weather Statement | JAN | Scott | 59 min |
| Mar 21, 2:25 PM CDT | Tornado Warning | JAN | Scott | 30 min |
| Mar 21, 2:37 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 53 min |
| Mar 21, 2:47 PM CDT | Tornado Warning | JAN | Forrest, Lamar | 16 min |
| Mar 21, 3:03 PM CDT | River Flood Warning | JAN | Attala, Holmes | 8 days |
| Mar 21, 3:22 PM CDT | Special Weather Statement | JAN | Neshoba, Winston | 58 min |
| Mar 21, 3:28 PM CDT | Tornado Warning | JAN | Forrest, Jones, Lamar | 44 min |
| Mar 21, 3:32 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Neshoba, Noxubee, Winston | 58 min |
| Mar 21, 4:24 PM CDT | Special Weather Statement | JAN | Clay, Oktibbeha | 61 min |
| Mar 21, 4:45 PM CDT | Special Weather Statement | JAN | Covington | 45 min |
| Mar 21, 5:06 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jones | 39 min |
| Mar 21, 5:09 PM CDT | Tornado Warning | JAN | Jones | 36 min |
| Mar 21, 5:22 PM CDT | Flash Flood Warning | JAN | Hinds, Madison, Rankin | 113 min |
| Mar 21, 5:34 PM CDT | Tornado Warning | JAN | Jasper | 44 min |
| Mar 21, 6:34 PM CDT | Flash Flood Warning | JAN | Forrest, Lamar | 116 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.