Alert archive / Louisiana / Tornado Warnings in 2012
Tornado Warning 27, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Mar 21, 2012, 7:29 AM CDT for Catahoula Parish, Concordia Parish, Louisiana. It was in force for 46 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 21, 2012, 7:29 AM CDT (12:29 UTC)
- Expired
- Mar 21, 2012, 8:15 AM CDT
- In force
- 46 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
Counties Catahoula Parish, LA, Concordia Parish, LA
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 |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 0.5 hours before the alert went out and 183 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1026 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -207 m²/s²
- 0-3 km storm-relative helicity
- 305 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
702
WFUS54 KJAN 211229
TORJAN
LAC025-029-211315-
/O.NEW.KJAN.TO.W.0027.120321T1229Z-120321T1315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
729 AM CDT WED MAR 21 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN CATAHOULA PARISH IN NORTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF LARTO...
WEST CENTRAL CONCORDIA PARISH IN NORTHEAST LOUISIANA...
* UNTIL 815 AM CDT
* AT 729 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LARTO
MOVING NORTH AT 40 MPH.
* THE TORNADO WILL BE NEAR...
LARTO AND NEW ERA BY 735 AM CDT...
MAYNA BY 740 AM CDT...
ARCHIE AND WALTERS BY 750 AM CDT...
JONESVILLE AND WILDSVILLE BY 800 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 NOON CDT WEDNESDAY FOR
NORTHEAST LOUISIANA AND SOUTHWESTERN MISSISSIPPI.
&&
LAT...LON 3131 9202 3131 9201 3138 9202 3171 9202
3168 9167 3126 9186 3129 9193 3126 9194
3127 9202 3128 9202
TIME...MOT...LOC 1229Z 196DEG 36KT 3133 9194
$$
CME2 follow-up statements
732
WWUS54 KJAN 211243
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
743 AM CDT WED MAR 21 2012
LAC025-029-211315-
/O.CON.KJAN.TO.W.0027.000000T0000Z-120321T1315Z/
CONCORDIA LA-CATAHOULA LA-
743 AM CDT WED MAR 21 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 AM CDT FOR SOUTHERN
CATAHOULA AND WEST CENTRAL CONCORDIA PARISHES...
AT 743 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS LOCATED NEAR LARTO MOVING NORTH AT 35 MPH.
THE TORNADO WILL BE NEAR...
WALTERS BY 755 AM CDT...
ARCHIE AND WALTERS BY 800 AM CDT...
WILDSVILLE BY 805 AM CDT...
JONESVILLE AND WILDSVILLE BY 810 AM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CDT WEDNESDAY FOR
NORTHEAST LOUISIANA AND SOUTHWESTERN MISSISSIPPI.
&&
LAT...LON 3131 9202 3131 9201 3138 9202 3171 9202
3168 9167 3126 9186 3129 9193 3126 9194
3127 9202 3128 9202
TIME...MOT...LOC 1243Z 185DEG 29KT 3143 9194
$$
CME108
WWUS54 KJAN 211248
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
748 AM CDT WED MAR 21 2012
LAC029-211258-
/O.CAN.KJAN.TO.W.0027.000000T0000Z-120321T1315Z/
CONCORDIA LA-
748 AM CDT WED MAR 21 2012
...THE TORNADO WARNING FOR WEST CENTRAL CONCORDIA PARISH IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CDT WEDNESDAY FOR
NORTHEAST LOUISIANA AND SOUTHWESTERN MISSISSIPPI.
LAT...LON 3169 9202 3171 9201 3169 9180 3160 9183
3150 9183 3150 9185 3147 9186 3142 9186
3140 9184 3133 9187 3127 9186 3129 9193
3126 9194 3128 9202
TIME...MOT...LOC 1248Z 182DEG 29KT 3147 9194
$$
LAC025-211315-
/O.CON.KJAN.TO.W.0027.000000T0000Z-120321T1315Z/
CATAHOULA LA-
748 AM CDT WED MAR 21 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 AM CDT FOR
SOUTHWESTERN CATAHOULA PARISH...
AT 748 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS LOCATED NEAR MAYNA MOVING NORTH AT 35 MPH.
THE TORNADO WILL BE NEAR...
WALTERS BY 755 AM CDT...
ARCHIE BY 800 AM CDT...
JONESVILLE BY 805 AM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CDT WEDNESDAY FOR
NORTHEAST LOUISIANA AND SOUTHWESTERN MISSISSIPPI.
&&
LAT...LON 3169 9202 3171 9201 3169 9180 3160 9183
3150 9183 3150 9185 3147 9186 3142 9186
3140 9184 3133 9187 3127 9186 3129 9193
3126 9194 3128 9202
TIME...MOT...LOC 1248Z 182DEG 29KT 3147 9194
$$
CMEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 7:27 AM CDT | Special Weather Statement | JAN | Catahoula | 28 min |
| Mar 21, 8:42 AM CDT | Special Weather Statement | JAN | Catahoula | 28 min |
| Mar 21, 9:03 AM CDT | Tornado Warning | JAN | Catahoula, Franklin | 42 min |
| Mar 21, 9:38 AM CDT | Severe Thunderstorm Warning | JAN | Richland | 41 min |
| Mar 21, 9:49 AM CDT | Flash Flood Warning | JAN | Franklin, Richland | 116 min |
| Mar 21, 9:51 AM CDT | Special Weather Statement | JAN | Tensas | 44 min |
| Mar 21, 10:20 AM CDT | Areal Flood Warning | JAN | Concordia | 3 hr |
| Mar 21, 10:48 AM CDT | Severe Thunderstorm Warning | JAN | Madison | 57 min |
| Mar 21, 12:47 PM CDT | Areal Flood Warning | JAN | East Carroll, Franklin, Madison, Morehouse, Richland, West Carroll | 12 hr |
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.