Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 108, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Apr 14, 2021, 6:20 AM CDT for Concordia Parish, Louisiana; Adams County, Mississippi. It was in force for 26 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 14, 2021, 6:20 AM CDT (11:20 UTC)
- Expired
- Apr 14, 2021, 6:46 AM CDT
- In force
- 26 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Concordia Parish, LA, Adams County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 152 km from the middle of the area, began a volume at 11:19 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 nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 11.3 hours before the alert went out and 146 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
- 1440 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- -36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
019
WUUS54 KJAN 141120
SVRJAN
LAC029-MSC001-141200-
/O.NEW.KJAN.SV.W.0108.210414T1120Z-210414T1200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
620 AM CDT Wed Apr 14 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Northeastern Concordia Parish in northeastern Louisiana...
Northern Adams County in southwestern Mississippi...
* Until 700 AM CDT.
* At 620 AM CDT, a severe thunderstorm was located near Deer Park, or
8 miles east of Monterey, moving northeast at 40 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* This severe thunderstorm will be near...
Ferriday around 630 AM CDT.
Natchez, Vidalia and West Ferriday around 635 AM CDT.
Spokane around 645 AM CDT.
Other locations impacted by this severe thunderstorm include
Ridgecrest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3148 9172 3175 9148 3175 9138 3173 9138
3175 9137 3175 9132 3170 9129 3167 9130
3166 9127 3165 9127 3163 9124 3136 9156
TIME...MOT...LOC 1120Z 221DEG 33KT 3149 9158
HAIL...1.00IN
WIND...<50MPH
$$
GRG2 follow-up statements
432
WWUS54 KJAN 141133
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
633 AM CDT Wed Apr 14 2021
LAC029-MSC001-141200-
/O.CON.KJAN.SV.W.0108.000000T0000Z-210414T1200Z/
Concordia LA-Adams MS-
633 AM CDT Wed Apr 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 AM CDT
FOR NORTHEASTERN CONCORDIA PARISH IN NORTHEASTERN LOUISIANA AND NORTH
CENTRAL ADAMS COUNTIES...
At 632 AM CDT, a severe thunderstorm was located near Ferriday,
moving northeast at 35 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
This severe storm will be near...
Spokane around 650 AM CDT.
Other locations impacted by this severe thunderstorm include
Ridgecrest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3154 9166 3175 9148 3175 9138 3173 9138
3175 9137 3175 9132 3170 9129 3167 9130
3147 9148
TIME...MOT...LOC 1132Z 214DEG 30KT 3158 9152
HAIL...1.00IN
WIND...<50MPH
$$
GRG820
WWUS54 KJAN 141146
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
646 AM CDT Wed Apr 14 2021
LAC029-MSC001-141156-
/O.CAN.KJAN.SV.W.0108.000000T0000Z-210414T1200Z/
Concordia LA-Adams MS-
646 AM CDT Wed Apr 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CONCORDIA PARISH
IN NORTHEASTERN LOUISIANA AND NORTH CENTRAL ADAMS COUNTIES IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits. Therefore, the warning has been cancelled. However small
hail is still possible with this thunderstorm.
LAT...LON 3154 9166 3175 9148 3175 9138 3173 9138
3175 9137 3175 9132 3170 9129 3167 9130
3147 9148
TIME...MOT...LOC 1145Z 221DEG 33KT 3168 9142
$$
GRGThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 5:40 AM CDT | Special Weather Statement | JAN | Catahoula | 35 min |
| Apr 14, 5:54 AM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Concordia | 18 min |
| Apr 14, 6:06 AM CDT | Special Weather Statement | JAN | Concordia | 24 min |
| Apr 14, 7:11 AM CDT | Special Weather Statement | JAN | Concordia | 49 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2021Severe Thunderstorm Warnings in Mississippi, 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.