Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 294, NWS Jackson, MS

December 29, 2021Ashley County, Arkansas

NWS Jackson, MS issued this severe thunderstorm warning at Dec 29, 2021, 4:53 PM CST for Ashley County, Arkansas. It was in force for 33 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
Dec 29, 2021, 4:53 PM CST (22:53 UTC)
Expired
Dec 29, 2021, 5:26 PM CST
In force
33 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Ashley County, AR

The radar

The Little Rock radar (KLZK), 188 km from the middle of the area, began a volume at 22:55 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.

IssuedProductOfficeLasted
Dec 29, 12:05 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 10.9 hours before the alert went out and 179 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.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 12:00Z on 2021-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 272 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2021-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
272 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
687 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

199 
WUUS54 KJAN 292253
SVRJAN
ARC003-300000-
/O.NEW.KJAN.SV.W.0294.211229T2253Z-211230T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
453 PM CST Wed Dec 29 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Ashley County in southeastern Arkansas...

* Until 600 PM CST.

* At 453 PM CST, a severe thunderstorm was located near Huttig,
  moving east at 50 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...
  Crossett and West Crossett around 505 PM CST.
  North Crossett around 510 PM CST.
  Hamburg around 520 PM CST.
  Snyder around 535 PM CST.
  Portland and Montrose around 540 PM CST.

Other locations impacted by this severe thunderstorm include
Blanchton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM CST for southeastern
Arkansas.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 700 PM CST for southeastern
Arkansas.

&&

LAT...LON 3312 9212 3315 9211 3316 9214 3319 9213
      3319 9214 3321 9213 3321 9208 3324 9209
      3325 9207 3339 9149 3339 9146 3308 9146
      3301 9207 3303 9209 3303 9211 3307 9211
      3307 9213 3310 9214
TIME...MOT...LOC 2253Z 252DEG 43KT 3311 9215 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

22
2 follow-up statements
484 
WWUS54 KJAN 292313
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
513 PM CST Wed Dec 29 2021

ARC003-300000-
/O.CON.KJAN.SV.W.0294.000000T0000Z-211230T0000Z/
Ashley AR-
513 PM CST Wed Dec 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CST
FOR CENTRAL ASHLEY COUNTY...

At 513 PM CST, a severe thunderstorm was located over Crossett,
moving east 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 storm will be near...
  Berlin around 530 PM CST.
  Hamburg around 535 PM CST.
  Parkdale and Snyder around 550 PM CST.
  Portland around 555 PM CST.
  Montrose around 600 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM CST for southeastern
Arkansas.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3319 9203 3339 9149 3339 9146 3308 9146
      3302 9201
TIME...MOT...LOC 2313Z 251DEG 35KT 3310 9197 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

22
536 
WWUS54 KJAN 292326
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
526 PM CST Wed Dec 29 2021

ARC003-292336-
/O.CAN.KJAN.SV.W.0294.000000T0000Z-211230T0000Z/
Ashley AR-
526 PM CST Wed Dec 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ASHLEY COUNTY 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.

A Tornado Watch remains in effect until 700 PM CST for southeastern
Arkansas.

LAT...LON 3319 9203 3339 9149 3339 9146 3308 9146
      3302 9201
TIME...MOT...LOC 2325Z 252DEG 43KT 3315 9179 

$$

22

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.