Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 15, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 16, 2021, 5:17 PM CDT for Chicot County, Arkansas; Washington County, Mississippi. It was in force for 43 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 16, 2021, 5:17 PM CDT (22:17 UTC)
- Expired
- Mar 16, 2021, 6:00 PM CDT
- In force
- 43 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Chicot County, AR, Washington County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 140 km from the middle of the area, began a volume at 22:17 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 12:00Z, 10.3 hours before the alert went out and 131 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
- 812 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 660 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted.
983
WUUS54 KJAN 162217
SVRJAN
ARC017-MSC151-162300-
/O.NEW.KJAN.SV.W.0015.210316T2217Z-210316T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
517 PM CDT Tue Mar 16 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Southeastern Chicot County in southeastern Arkansas...
Southwestern Washington County in northwestern Mississippi...
* Until 600 PM CDT.
* At 517 PM CDT, a severe thunderstorm was located over Millikin, or
11 miles southeast of Eudora, moving northeast at 40 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 be near...
Glen Allan around 530 PM CDT.
Avon around 545 PM CDT.
Wayside around 550 PM CDT.
Estill around 555 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3333 9111 3322 9084 3301 9097 3301 9116
3300 9117 3300 9121 3301 9131
TIME...MOT...LOC 2217Z 210DEG 34KT 3297 9118
HAIL...1.00IN
WIND...60MPH
$$
TW2 follow-up statements
495
WWUS54 KJAN 162248
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
548 PM CDT Tue Mar 16 2021
ARC017-162258-
/O.CAN.KJAN.SV.W.0015.000000T0000Z-210316T2300Z/
Chicot AR-
548 PM CDT Tue Mar 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHICOT COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3322 9084 3314 9089 3305 9099 3306 9112
3313 9114 3313 9112 3314 9109 3315 9108
3322 9109 3325 9105 3328 9104 3330 9103
TIME...MOT...LOC 2248Z 214DEG 30KT 3316 9104
$$
MSC151-162300-
/O.CON.KJAN.SV.W.0015.000000T0000Z-210316T2300Z/
Washington MS-
548 PM CDT Tue Mar 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHWESTERN WASHINGTON COUNTY...
At 548 PM CDT, a severe thunderstorm was located near Avon, moving
northeast at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
Hollandale and Wayside around 600 PM CDT.
Estill around 605 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3322 9084 3314 9089 3305 9099 3306 9112
3313 9114 3313 9112 3314 9109 3315 9108
3322 9109 3325 9105 3328 9104 3330 9103
TIME...MOT...LOC 2248Z 214DEG 30KT 3316 9104
HAIL...0.75IN
WIND...60MPH
$$
TW008
WWUS54 KJAN 162257
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
557 PM CDT Tue Mar 16 2021
MSC151-162307-
/O.EXP.KJAN.SV.W.0015.000000T0000Z-210316T2300Z/
Washington MS-
557 PM CDT Tue Mar 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WASHINGTON COUNTY
WILL EXPIRE AT 600 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 3322 9084 3314 9089 3305 9099 3306 9112
3313 9114 3313 9112 3314 9109 3315 9108
3322 9109 3325 9105 3328 9104 3330 9103
TIME...MOT...LOC 2257Z 210DEG 34KT 3323 9099
$$
TWThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 7:23 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Scott | 38 min |
| Mar 15, 11:39 PM CDT | Special Weather Statement | JAN | Carroll, Leflore | 36 min |
| Mar 15, 11:53 PM CDT | Severe Thunderstorm Warning | JAN | Grenada, Montgomery, Webster | 36 min |
| Mar 16, 2:54 AM CDT | Flash Flood Warning | JAN | Clarke | 6 hr |
| Mar 16, 6:52 AM CDT | Special Weather Statement | JAN | Jasper | 38 min |
| Mar 16, 10:18 AM CDT | Flash Flood Warning | JAN | Clarke, Jasper | 3 hr |
| Mar 16, 11:08 AM CDT | Flash Flood Warning | JAN | Covington, Jones, Smith | 3 hr |
| Mar 16, 11:49 AM CDT | Flash Flood Watch | JAN | Clarke, Covington, Jasper, Jefferson Davis, Jones, Lauderdale and 4 more | 7 hr |
| Mar 16, 2:40 PM CDT | River Flood Warning | JAN | Jones | 5 days |
| Mar 16, 4:50 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena | 40 min |
| Mar 16, 4:57 PM CDT | Special Weather Statement | JAN | Rankin | 33 min |
| Mar 16, 4:58 PM CDT | Special Weather Statement | JAN | Winston | 32 min |
| Mar 16, 5:29 PM CDT | Special Weather Statement | JAN | Rankin | 31 min |
| Mar 16, 6:34 PM CDT | Special Weather Statement | JAN | Copiah | 26 min |
| Mar 16, 6:45 PM CDT | Severe Thunderstorm Warning | JAN | Copiah | 60 min |
| Mar 16, 6:59 PM CDT | Special Weather Statement | JAN | Attala | 46 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 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.