Alert archive / Louisiana / Tornado Warnings in 2012
Tornado Warning 68, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Aug 31, 2012, 4:33 AM CDT for Franklin Parish, Madison Parish, Richland Parish, Louisiana. It was in force for 22 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 31, 2012, 4:33 AM CDT (09:33 UTC)
- Expired
- Aug 31, 2012, 4:55 AM CDT
- In force
- 22 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
Counties Franklin Parish, LA, Madison Parish, LA, Richland Parish, LA
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 9.6 hours before the alert went out and 157 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.
829
WFUS54 KJAN 310933
TORJAN
LAC041-065-083-311030-
/O.NEW.KJAN.TO.W.0068.120831T0933Z-120831T1030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
433 AM CDT FRI AUG 31 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* TORNADO WARNING FOR...
FRANKLIN PARISH IN NORTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF WINNSBORO...
SOUTHWESTERN MADISON PARISH IN NORTHEAST LOUISIANA...
CENTRAL RICHLAND PARISH IN NORTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF MANGHAM...
* UNTIL 530 AM CDT
* AT 433 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR JIGGER
MOVING NORTHEAST AT 40 MPH.
* THE TORNADO WILL BE NEAR...
WINNSBORO BY 445 AM CDT...
MANGHAM BY 455 AM CDT...
CROWVILLE AND ARCHIBALD BY 500 AM CDT...
BAKERS BY 510 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.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
&&
LAT...LON 3209 9192 3210 9188 3214 9190 3245 9178
3235 9124 3220 9142 3220 9149 3213 9151
3192 9177 3200 9191 3204 9191 3206 9193
TIME...MOT...LOC 0933Z 212DEG 34KT 3206 9179
$$
MME2 follow-up statements
880
WWUS54 KJAN 310947
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
447 AM CDT FRI AUG 31 2012
LAC041-065-083-311030-
/O.CON.KJAN.TO.W.0068.000000T0000Z-120831T1030Z/
RICHLAND LA-FRANKLIN LA-MADISON LA-
447 AM CDT FRI AUG 31 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 AM CDT FOR
SOUTHWESTERN MADISON...NORTHERN FRANKLIN AND CENTRAL RICHLAND
PARISHES...
AT 448 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS LOCATED NEAR WINNSBORO MOVING NORTHEAST AT 40 MPH.
THE TORNADO WILL BE NEAR...
BASKIN AND MANGHAM BY 455 AM CDT...
CROWVILLE AND ARCHIBALD BY 500 AM CDT...
BAKERS BY 510 AM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.
&&
LAT...LON 3245 9178 3235 9124 3220 9142 3220 9149
3214 9152 3206 9161 3214 9190
TIME...MOT...LOC 0948Z 212DEG 34KT 3218 9170
$$
MME532
WWUS54 KJAN 310955
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
455 AM CDT FRI AUG 31 2012
LAC041-065-083-311005-
/O.CAN.KJAN.TO.W.0068.000000T0000Z-120831T1030Z/
RICHLAND LA-FRANKLIN LA-MADISON LA-
455 AM CDT FRI AUG 31 2012
...THE TORNADO WARNING FOR SOUTHWESTERN MADISON...NORTHERN FRANKLIN
AND CENTRAL RICHLAND PARISHES IS CANCELLED...
THE TORNADO WILL BE NEAR...
CROWVILLE AND ARCHIBALD BY 500 AM CDT...
BAKERS BY 510 AM CDT...
THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED.
LAT...LON 3245 9178 3235 9124 3220 9142 3220 9149
3214 9152 3206 9161 3214 9190
TIME...MOT...LOC 0955Z 212DEG 34KT 3224 9166
$$
MMEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 2:19 AM CDT | Special Weather Statement | JAN | Catahoula | 31 min |
| Aug 31, 2:39 AM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Concordia, Franklin, Tensas | 66 min |
| Aug 31, 4:12 AM CDT | Special Weather Statement | JAN | Franklin | 58 min |
| Aug 31, 4:19 AM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Franklin | 56 min |
| Aug 31, 6:24 AM CDT | Special Weather Statement | JAN | Catahoula, Franklin | 61 min |
| Aug 31, 6:26 AM CDT | Special Weather Statement | JAN | Morehouse, West Carroll | 44 min |
| Aug 31, 6:36 AM CDT | Flash Flood Warning | JAN | Catahoula, Concordia, Franklin | 4 hr |
| Aug 31, 2:32 PM CDT | Special Weather Statement | JAN | Tensas | 28 min |
Nearby
Tornado Warnings in Louisiana, 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.