Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 274, NWS Jackson, MS

October 5, 2021Ashley County, Arkansas

NWS Jackson, MS issued this severe thunderstorm warning at Oct 5, 2021, 1:53 PM CDT for Ashley County, Arkansas. It was in force for 15 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: Oct 5, 2021, 1:53 PM CDT (18:53 UTC)
Expired: Oct 5, 2021, 2:08 PM CDT
In force: 15 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Ashley County, AR

The radar

The Shreveport radar (KSHV), 184 km from the middle of the area, began a volume at 18:54 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

Shreveport, LA (KSHV), launched 12:00Z, 6.9 hours before the alert went out and 175 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 308 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 1270 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -35 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

749 
WUUS54 KJAN 051853
SVRJAN
ARC003-052000-
/O.NEW.KJAN.SV.W.0274.211005T1853Z-211005T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
153 PM CDT Tue Oct 5 2021

The National Weather Service in Jackson has issued a

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

* Until 300 PM CDT.

* At 153 PM CDT, a severe thunderstorm was located near North
  Crossett, moving south at 15 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  North Crossett around 205 PM CDT.
  West Crossett around 210 PM CDT.
  Crossett around 220 PM 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.

&&

LAT...LON 3315 9211 3316 9212 3316 9214 3321 9213
      3321 9208 3324 9209 3325 9205 3328 9204
      3328 9200 3330 9201 3332 9188 3301 9167
      3301 9206 3303 9209 3303 9211 3307 9211
      3307 9213 3310 9214
TIME...MOT...LOC 1853Z 007DEG 14KT 3321 9199 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

19

1 follow-up statement

114 
WWUS54 KJAN 051908
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
208 PM CDT Tue Oct 5 2021

ARC003-051918-
/O.CAN.KJAN.SV.W.0274.000000T0000Z-211005T2000Z/
Ashley AR-
208 PM CDT Tue Oct 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN 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.  However small hail is
still possible with this thunderstorm.

LAT...LON 3315 9211 3316 9212 3316 9214 3321 9213
      3321 9208 3324 9209 3325 9205 3328 9204
      3328 9200 3330 9201 3332 9188 3301 9167
      3301 9206 3303 9209 3303 9211 3307 9211
      3307 9213 3310 9214
TIME...MOT...LOC 1907Z 007DEG 14KT 3315 9200 

$$

19

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 5, 12:42 PM CDT	Special Weather Statement	JAN	Ashley	33 min
Oct 5, 1:20 PM CDT	Special Weather Statement	JAN	Ashley	25 min
Oct 5, 1:50 PM CDT	Special Weather Statement	JAN	Ashley	25 min
Oct 5, 6:53 PM CDT	Special Weather Statement	JAN	Chicot	37 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2021 Every 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.