Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 53, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 27, 2021, 11:22 PM CDT for Washington County, Mississippi; Ashley County, Chicot County, Arkansas; Morehouse Parish, Louisiana. It was in force for 53 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 27, 2021, 11:22 PM CDT (04:22 UTC)
- Expired
- Mar 28, 2021, 12:15 AM CDT
- In force
- 53 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Ashley County, AR, Chicot County, AR, Morehouse Parish, LA, Washington County, MS
The radar
The Little Rock radar (KLZK), 182 km from the middle of the area, began a volume at 04:25 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
Shreveport, LA (KSHV), launched 00:00Z, 4.4 hours before the alert went out and 193 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
- 1297 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 8.1
The text
As transmitted.
492
WUUS54 KJAN 280422
SVRJAN
ARC003-017-LAC067-MSC151-280515-
/O.NEW.KJAN.SV.W.0053.210328T0422Z-210328T0515Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
1122 PM CDT Sat Mar 27 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Northwestern Chicot County in southeastern Arkansas...
Ashley County in southeastern Arkansas...
Northwestern Morehouse Parish in northeastern Louisiana...
Northwestern Washington County in northwestern Mississippi...
* Until 1215 AM CDT.
* At 1118 PM CDT, a severe thunderstorm was located 7 miles northeast
of Lapile, or 8 miles north of Huttig, moving east at 50 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...
Crossett and West Crossett around 1130 PM CDT.
North Crossett around 1135 PM CDT.
Old Milo around 1140 PM CDT.
Hamburg and Fountain Hill around 1145 PM CDT.
Snyder around 1200 AM CDT.
Montrose around 1205 AM CDT.
Mcmillan Corner around 1215 AM CDT.
Other locations impacted by this severe thunderstorm include
Blanchton.
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...northeastern Louisiana...and northwestern Mississippi.
LAT...LON 3315 9211 3316 9214 3319 9214 3321 9208
3324 9209 3328 9204 3331 9198 3335 9199
3338 9196 3340 9199 3339 9146 3348 9145
3353 9112 3336 9112 3302 9144 3286 9208
3301 9207 3303 9211 3309 9214
TIME...MOT...LOC 0418Z 249DEG 43KT 3317 9217
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
JNE1 follow-up statement
499
WWUS54 KJAN 280459
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
1159 PM CDT Sat Mar 27 2021
LAC067-280508-
/O.CAN.KJAN.SV.W.0053.000000T0000Z-210328T0515Z/
Morehouse LA-
1159 PM CDT Sat Mar 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MOREHOUSE PARISH
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 400 AM CDT for southeastern
Arkansas...and northwestern Mississippi.
LAT...LON 3321 9208 3324 9209 3328 9204 3331 9198
3335 9199 3338 9196 3340 9199 3339 9146
3348 9145 3353 9112 3336 9112 3302 9144
3308 9211
TIME...MOT...LOC 0458Z 249DEG 43KT 3334 9163
$$
ARC003-017-MSC151-280515-
/O.CON.KJAN.SV.W.0053.000000T0000Z-210328T0515Z/
Chicot AR-Ashley AR-Washington MS-
1159 PM CDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT
FOR NORTHWESTERN CHICOT...ASHLEY AND NORTHWESTERN WASHINGTON
COUNTIES...
At 1158 PM CDT, a severe thunderstorm was located near Snyder, or 12
miles northeast of Hamburg, moving east at 50 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 storm will be near...
Montrose around 1205 AM CDT.
Mcmillan Corner around 1220 AM CDT.
Other locations impacted by this severe thunderstorm include
Blanchton.
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 3321 9208 3324 9209 3328 9204 3331 9198
3335 9199 3338 9196 3340 9199 3339 9146
3348 9145 3353 9112 3336 9112 3302 9144
3308 9211
TIME...MOT...LOC 0458Z 249DEG 43KT 3334 9163
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
JNEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 9:36 PM CDT | Tornado Warning | JAN | Bolivar | 36 min |
| Mar 27, 10:59 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Sunflower | 61 min |
| Mar 27, 11:31 PM CDT | Tornado Warning | JAN | Bolivar, Sunflower | 44 min |
| Mar 28, 12:11 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Washington | 27 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 |
| Mar 28, 1:11 AM CDT | Special Weather Statement | JAN | Ashley | 34 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2021Severe Thunderstorm Warnings in Mississippi, 2021Severe 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.