Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 92, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Apr 9, 2021, 8:10 PM CDT for Franklin Parish, Richland Parish, Louisiana. It was in force for 50 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
- Apr 9, 2021, 8:10 PM CDT (01:10 UTC)
- Expired
- Apr 9, 2021, 9:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Franklin Parish, LA, Richland Parish, LA
The radar
The Ft Polk radar (KPOE), 156 km from the middle of the area, began a volume at 01:13 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 |
|---|---|---|---|
| Apr 9, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 1.2 hours before the alert went out and 171 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
- 148 J/kg
- Mixed-layer CIN
- -321 J/kg
- Mixed-layer LCL
- 2441 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 329 m²/s²
- 0-3 km storm-relative helicity
- 421 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
345
WUUS54 KJAN 100110 RRA
SVRJAN
LAC041-083-100200-
/O.NEW.KJAN.SV.W.0092.210410T0110Z-210410T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
810 PM CDT Fri Apr 9 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Southwestern Richland Parish in northeastern Louisiana...
Northwestern Franklin Parish in northeastern Louisiana...
* Until 900 PM CDT.
* At 810 PM CDT, a severe thunderstorm was located over Buckner, or
11 miles west of Mangham, moving northeast at 30 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near...
Buckner around 815 PM CDT.
Mangham and Alto around 830 PM CDT.
Archibald around 835 PM CDT.
Rayville around 845 PM CDT.
Other locations impacted by this severe thunderstorm include Baskin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3231 9202 3237 9201 3251 9175 3227 9157
3216 9189 3216 9193 3218 9194 3217 9198
3220 9197 3219 9201 3221 9199 3221 9200
3223 9199 3223 9201 3225 9199 3225 9200
3227 9199 3228 9203
TIME...MOT...LOC 0110Z 234DEG 26KT 3226 9196
HAIL...1.25IN
WIND...60MPH
$$
NF1 follow-up statement
146
WWUS54 KJAN 100151
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
851 PM CDT Fri Apr 9 2021
LAC041-083-100200-
/O.CON.KJAN.SV.W.0092.000000T0000Z-210410T0200Z/
Richland LA-Franklin LA-
851 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTH CENTRAL RICHLAND AND NORTH CENTRAL FRANKLIN PARISHES...
At 851 PM CDT, a severe thunderstorm was located near Crowville, or 7
miles east of Mangham, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of south
central Richland and north central Franklin Parishes, including the
following locations... Baskin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3233 9185 3242 9169 3227 9157 3220 9176
TIME...MOT...LOC 0151Z 251DEG 24KT 3227 9166
HAIL...1.00IN
WIND...60MPH
$$
NFThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 7:49 PM CDT | Severe Thunderstorm Warning | JAN | Morehouse, Richland | 39 min |
| Apr 9, 8:49 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll, Madison | 41 min |
| Apr 9, 10:03 PM CDT | Special Weather Statement | JAN | Madison, Tensas | 27 min |
| Apr 9, 10:11 PM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Concordia, Franklin | 49 min |
| Apr 10, 12:01 AM CDT | Flash Flood Warning | JAN | Concordia | 3 hr |
| Apr 10, 12:59 AM CDT | Special Weather Statement | JAN | Catahoula | 46 min |
| Apr 10, 1:24 AM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Concordia | 51 min |
| Apr 10, 2:14 AM CDT | Flash Flood Warning | JAN | Catahoula | 3 hr |
| Apr 10, 2:53 AM CDT | Flash Flood Warning | JAN | Concordia | 118 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; radar from the NEXRAD Level II archive.