Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 240, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jun 21, 2021, 7:02 PM CDT for 4 parishes in Louisiana. It was in force for 66 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
- Jun 21, 2021, 7:02 PM CDT (00:02 UTC)
- Expired
- Jun 21, 2021, 8:08 PM CDT
- In force
- 66 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Catahoula Parish, LA, Concordia Parish, LA, Franklin Parish, LA, Richland Parish, LA
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 0.0 hours before the alert went out and 165 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
- 732 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1049 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
639
WUUS54 KJAN 220002
SVRJAN
LAC025-029-041-083-220130-
/O.NEW.KJAN.SV.W.0240.210622T0002Z-210622T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
702 PM CDT Mon Jun 21 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Northwestern Concordia Parish in northeastern Louisiana...
Catahoula Parish in northeastern Louisiana...
Southwestern Richland Parish in northeastern Louisiana...
Franklin Parish in northeastern Louisiana...
* Until 830 PM CDT.
* At 702 PM CDT, severe thunderstorms were located along a line
extending from 7 miles west of Buckner to 6 miles west of Rosefield
to near Midway, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Rosefield around 715 PM CDT.
Sherwood and Aimwell around 720 PM CDT.
Enterprise around 725 PM CDT.
Liddieville and Manifest around 735 PM CDT.
Archie around 740 PM CDT.
Winnsboro around 745 PM CDT.
Jonesville around 750 PM CDT.
Wildsville and Crowville around 755 PM CDT.
Other locations impacted by these severe thunderstorms include
Harrisonburg, Gilbert, Baskin and Sicily Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3231 9202 3224 9151 3221 9155 3220 9149
3193 9151 3188 9158 3180 9158 3175 9154
3148 9161 3157 9200 3193 9201 3193 9190
3203 9190 3207 9193 3209 9187 3212 9187
3217 9190 3219 9201 3225 9199 3228 9203
TIME...MOT...LOC 0002Z 289DEG 27KT 3229 9207 3192 9210 3169 9225
HAIL...<.75IN
WIND...60MPH
$$
TW2 follow-up statements
801
WWUS54 KJAN 220055
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
755 PM CDT Mon Jun 21 2021
LAC083-220105-
/O.CAN.KJAN.SV.W.0240.000000T0000Z-210622T0130Z/
Richland LA-
755 PM CDT Mon Jun 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN RICHLAND PARISH
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3225 9162 3224 9151 3221 9155 3220 9149
3193 9151 3188 9158 3180 9158 3175 9154
3148 9161 3153 9181 3179 9170 3191 9180
3200 9181 3213 9179
TIME...MOT...LOC 0055Z 287DEG 32KT 3207 9167 3180 9156 3154 9170
$$
LAC025-029-041-220130-
/O.CON.KJAN.SV.W.0240.000000T0000Z-210622T0130Z/
Concordia LA-Catahoula LA-Franklin LA-
755 PM CDT Mon Jun 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHWESTERN CONCORDIA...NORTHEASTERN CATAHOULA AND SOUTHEASTERN
FRANKLIN PARISHES...
At 755 PM CDT, severe thunderstorms were located along a line
extending from near Jigger to near Lee Bayou to near Frogmore, moving
east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Lee Bayou around 800 PM CDT.
Ferriday around 805 PM CDT.
Other locations impacted by these severe thunderstorms include
Gilbert and Sicily Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3225 9162 3224 9151 3221 9155 3220 9149
3193 9151 3188 9158 3180 9158 3175 9154
3148 9161 3153 9181 3179 9170 3191 9180
3200 9181 3213 9179
TIME...MOT...LOC 0055Z 287DEG 32KT 3207 9167 3180 9156 3154 9170
HAIL...<.75IN
WIND...60MPH
$$
TW681
WWUS54 KJAN 220108
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
808 PM CDT Mon Jun 21 2021
LAC025-029-041-220118-
/O.CAN.KJAN.SV.W.0240.000000T0000Z-210622T0130Z/
Concordia LA-Catahoula LA-Franklin LA-
808 PM CDT Mon Jun 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CONCORDIA...
NORTHEASTERN CATAHOULA AND SOUTHEASTERN FRANKLIN PARISHES IS
CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been cancelled.
LAT...LON 3225 9162 3224 9151 3221 9155 3220 9149
3193 9151 3188 9158 3180 9158 3175 9154
3148 9161 3153 9181 3179 9170 3191 9180
3200 9181 3213 9179
TIME...MOT...LOC 0106Z 289DEG 27KT 3204 9157 3177 9147 3151 9161
$$
TWThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:31 PM CDT | Special Weather Statement | JAN | Concordia | 59 min |
| Jun 21, 7:54 PM CDT | Special Weather Statement | JAN | Tensas | 36 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2021Every severe thunderstorm warning in 2021
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.