Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 54, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 28, 2021, 12:11 AM CDT for Ashley County, Chicot County, Arkansas; Bolivar County, Washington County, Mississippi. It was in force for 27 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 28, 2021, 12:11 AM CDT (05:11 UTC)
- Expired
- Mar 28, 2021, 12:38 AM CDT
- In force
- 27 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Ashley County, AR, Chicot County, AR, Bolivar County, MS, Washington County, MS
The radar
The Little Rock radar (KLZK), 173 km from the middle of the area, began a volume at 05:14 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 |
|---|---|---|---|
| Mar 27, 3:25 PM CDT | Tornado Watch | SPC | 10 hr |
| Mar 27, 9:01 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 5.2 hours before the alert went out and 173 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
- 1063 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1349 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.6
The text
As transmitted.
183
WUUS54 KJAN 280511
SVRJAN
ARC003-017-MSC011-151-280600-
/O.NEW.KJAN.SV.W.0054.210328T0511Z-210328T0600Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
1211 AM CDT Sun Mar 28 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Northern Chicot County in southeastern Arkansas...
Northeastern Ashley County in southeastern Arkansas...
Northwestern Washington County in northwestern Mississippi...
Southwestern Bolivar County in northwestern Mississippi...
* Until 100 AM CDT.
* At 1211 AM CDT, a severe thunderstorm was located 7 miles west of
Mcmillan Corner, or 7 miles south of Dermott, moving northeast at
60 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...
Mcmillan Corner around 1215 AM CDT.
Scott, Lamont and Winterville around 1235 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 400 AM CDT for southeastern
Arkansas...and northwestern Mississippi.
LAT...LON 3339 9160 3339 9146 3356 9145 3356 9135
3352 9135 3353 9133 3352 9132 3352 9125
3356 9124 3358 9115 3360 9113 3362 9113
3363 9114 3363 9113 3356 9100 3339 9108
3338 9117 3323 9154
TIME...MOT...LOC 0511Z 246DEG 54KT 3342 9143
HAIL...1.00IN
WIND...60MPH
$$
JNE1 follow-up statement
939
WWUS54 KJAN 280538
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
1238 AM CDT Sun Mar 28 2021
ARC003-017-MSC011-151-280547-
/O.CAN.KJAN.SV.W.0054.000000T0000Z-210328T0600Z/
Chicot AR-Ashley AR-Washington MS-Bolivar MS-
1238 AM CDT Sun Mar 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN CHICOT...NORTHEASTERN
ASHLEY...NORTHWESTERN WASHINGTON AND SOUTHWESTERN BOLIVAR COUNTIES IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds near
40mph are still possible with this thunderstorm.
A Tornado Watch remains in effect until 400 AM CDT for southeastern
Arkansas...and northwestern Mississippi.
LAT...LON 3339 9160 3339 9146 3356 9145 3356 9135
3352 9135 3353 9133 3352 9132 3352 9125
3356 9124 3358 9115 3360 9113 3362 9113
3363 9114 3363 9113 3356 9100 3339 9108
3338 9117 3323 9154
TIME...MOT...LOC 0536Z 246DEG 54KT 3358 9099
$$
JNEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 10:59 PM CDT | Severe Thunderstorm Warning | JAN | Chicot | 61 min |
| Mar 27, 11:22 PM CDT | Severe Thunderstorm Warning | JAN | Ashley, Chicot | 53 min |
| Mar 28, 1:11 AM CDT | Special Weather Statement | JAN | Ashley | 34 min |
| Mar 27, 9:36 PM CDT | Tornado Warning | JAN | Bolivar | 36 min |
| Mar 27, 11:31 PM CDT | Tornado Warning | JAN | Bolivar, Sunflower | 44 min |
| Mar 28, 1:20 AM CDT | Special Weather Statement | JAN | Holmes | 25 min |
| Mar 28, 1:30 AM CDT | Special Weather Statement | JAN | Grenada | 30 min |
| Mar 28, 2:03 AM CDT | Special Weather Statement | JAN | Carroll | 27 min |
| Mar 28, 2:11 AM CDT | Severe Thunderstorm Warning | JAN | Carroll, Montgomery, Webster | 49 min |
| Mar 28, 2:39 AM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Montgomery, Webster | 36 min |
| Mar 28, 3:08 AM CDT | Severe Thunderstorm Warning | JAN | Clay, Webster | 52 min |
| Mar 28, 3:24 AM CDT | Special Weather Statement | JAN | Oktibbeha | 36 min |
| Mar 28, 3:42 AM CDT | Severe Thunderstorm Warning | JAN | Clay, Lowndes | 32 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.