Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 75, NWS Jackson, MS

April 9, 2021Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this severe thunderstorm warning at Apr 9, 2021, 5:12 PM CDT for Ashley County, Chicot County, Arkansas. It was in force for 76 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 9, 2021, 5:12 PM CDT (22:12 UTC)
Expired: Apr 9, 2021, 6:28 PM CDT
In force: 76 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

The radar

The Jackson/Brandon,MS radar (KDGX), 156 km from the middle of the area, began a volume at 22:14 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.

What was reported inside it

Time	Report	Where	Remark
Apr 9, 5:33 PM CDT	TSTM WND DMG	2 Ssw Parkdale, AR	TWO TREES DOWN BETWEEN PARKDALE AND WILMOT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 9, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.2 hours before the alert went out and 147 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: 1659 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 787 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

As transmitted.

806 
WUUS54 KJAN 092212
SVRJAN
ARC003-017-092345-
/O.NEW.KJAN.SV.W.0075.210409T2212Z-210409T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
512 PM CDT Fri Apr 9 2021

The National Weather Service in Jackson has issued a

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

* Until 645 PM CDT.

* At 512 PM CDT, a severe thunderstorm was located near Berlin, or
  near Hamburg, moving east at 35 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...
  Wilmot around 535 PM CDT.
  Parkdale around 540 PM CDT.
  Portland around 545 PM CDT.
  Eudora around 605 PM CDT.
  Lake Village and Chicot Junction around 610 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3339 9168 3338 9146 3341 9121 3338 9115
      3342 9106 3333 9114 3324 9110 3329 9107
      3328 9105 3328 9104 3322 9109 3314 9109
      3313 9112 3314 9119 3313 9120 3310 9120
      3306 9112 3304 9113 3300 9117 3301 9170
TIME...MOT...LOC 2212Z 260DEG 30KT 3313 9181 

HAIL...1.00IN
WIND...60MPH
 
$$

TW

3 follow-up statements

348 
WWUS54 KJAN 092247
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
547 PM CDT Fri Apr 9 2021

ARC003-017-092345-
/O.CON.KJAN.SV.W.0075.000000T0000Z-210409T2345Z/
Chicot AR-Ashley AR-
547 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR CHICOT AND EASTERN ASHLEY COUNTIES...

At 547 PM CDT, a severe thunderstorm was located near Eudora, moving
east at 40 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...
  Eudora and Chicot Junction around 555 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3338 9159 3338 9146 3341 9121 3338 9115
      3342 9106 3333 9114 3324 9110 3329 9107
      3328 9105 3328 9104 3322 9109 3314 9109
      3313 9112 3314 9119 3313 9120 3310 9120
      3306 9112 3304 9113 3300 9117 3301 9160
TIME...MOT...LOC 2247Z 265DEG 35KT 3315 9136 

HAIL...0.75IN
WIND...60MPH
 
$$

TW

031 
WWUS54 KJAN 092255
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
555 PM CDT Fri Apr 9 2021

ARC003-092305-
/O.CAN.KJAN.SV.W.0075.000000T0000Z-210409T2345Z/
Ashley AR-
555 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ASHLEY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern Arkansas...northeastern Louisiana...and northwestern and
west central Mississippi.

LAT...LON 3338 9146 3341 9121 3339 9119 3338 9115
      3342 9107 3335 9114 3333 9114 3324 9110
      3329 9107 3328 9104 3322 9109 3314 9109
      3313 9112 3314 9119 3313 9120 3310 9120
      3306 9112 3304 9113 3300 9117 3301 9146
TIME...MOT...LOC 2255Z 260DEG 30KT 3316 9128 

$$

ARC017-092345-
/O.CON.KJAN.SV.W.0075.000000T0000Z-210409T2345Z/
Chicot AR-
555 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR CHICOT COUNTY...

At 555 PM CDT, a severe thunderstorm was located over Chicot
Junction, or near Eudora, moving east 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 thunderstorm will remain over mainly rural areas of
Chicot County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3338 9146 3341 9121 3339 9119 3338 9115
      3342 9107 3335 9114 3333 9114 3324 9110
      3329 9107 3328 9104 3322 9109 3314 9109
      3313 9112 3314 9119 3313 9120 3310 9120
      3306 9112 3304 9113 3300 9117 3301 9146
TIME...MOT...LOC 2255Z 260DEG 30KT 3316 9128 

HAIL...0.75IN
WIND...60MPH
 
$$

TW

685 
WWUS54 KJAN 092328
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
628 PM CDT Fri Apr 9 2021

ARC017-092338-
/O.CAN.KJAN.SV.W.0075.000000T0000Z-210409T2345Z/
Chicot AR-
628 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR CHICOT COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern Arkansas...northeastern Louisiana...and northwestern and
west central Mississippi.

LAT...LON 3338 9146 3341 9121 3339 9119 3338 9115
      3342 9107 3335 9114 3333 9114 3324 9110
      3329 9107 3328 9104 3322 9109 3314 9109
      3313 9112 3314 9119 3313 9120 3310 9120
      3306 9112 3304 9113 3300 9117 3301 9146
TIME...MOT...LOC 2327Z 260DEG 30KT 3321 9095 

$$

TW

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 4:26 PM CDT	Severe Thunderstorm Warning	JAN	Ashley	70 min
Apr 9, 4:55 PM CDT	Severe Thunderstorm Warning	JAN	Chicot	95 min
Apr 9, 5:55 PM CDT	Severe Thunderstorm Warning	JAN	Ashley	65 min
Apr 9, 6:52 PM CDT	Severe Thunderstorm Warning	JAN	Chicot	68 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.