Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 185, NWS Memphis, TN

October 15, 2021Craighead County, Poinsett County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Oct 15, 2021, 3:35 PM CDT for Craighead County, Poinsett County, Arkansas. It was in force for 18 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 15, 2021, 3:35 PM CDT (20:35 UTC)
Expired: Oct 15, 2021, 3:53 PM CDT
In force: 18 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Craighead County, AR, Poinsett County, AR

The radar

The Memphis radar (KNQA), 105 km from the middle of the area, began a volume at 20:35 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
Oct 15, 12:28 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.6 hours before the alert went out and 139 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: 567 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 671 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

016 
WUUS54 KMEG 152035
SVRMEG
ARC031-111-152115-
/O.NEW.KMEG.SV.W.0185.211015T2035Z-211015T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
335 PM CDT Fri Oct 15 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Western Craighead County in eastern Arkansas...
  Northwestern Poinsett County in eastern Arkansas...

* Until 415 PM CDT.

* At 335 PM CDT, a severe thunderstorm was located over Grubbs, or 8
  miles east of Newport, moving northeast at 30 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.

* Locations impacted include...
  Jonesboro, Bono, Weiner, Cash, Pitts, Hergett, Apt, Herman, Valley
  View, Dryden, Dorothy, Risher, Winesburg, Gilkerson, Uno, Otwell,
  Cary, Herndon, Bayou De View State Wildlife Management Area and
  Craighead Forest Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3578 9104 3588 9090 3588 9087 3590 9087
      3597 9078 3597 9073 3578 9055 3552 9104
TIME...MOT...LOC 2035Z 232DEG 27KT 3563 9108 

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

$$

SWB

1 follow-up statement

834 
WWUS54 KMEG 152053
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
353 PM CDT Fri Oct 15 2021

ARC031-111-152103-
/O.CAN.KMEG.SV.W.0185.000000T0000Z-211015T2115Z/
Craighead AR-Poinsett AR-
353 PM CDT Fri Oct 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CRAIGHEAD AND
NORTHWESTERN POINSETT 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 are
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
eastern Arkansas.

LAT...LON 3578 9104 3588 9090 3588 9087 3590 9087
      3597 9078 3597 9073 3578 9055 3552 9104
TIME...MOT...LOC 2051Z 232DEG 27KT 3571 9095 

$$

SWB

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 15, 3:54 PM CDT	Special Weather Statement	MEG	Craighead, Poinsett	36 min
Oct 15, 4:25 PM CDT	Special Weather Statement	MEG	Mississippi	35 min
Oct 15, 4:42 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	48 min
Oct 15, 4:46 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Lee, St. Francis	44 min
Oct 15, 4:55 PM CDT	Tornado Warning	MEG	Mississippi	23 min
Oct 15, 5:31 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Lee, St. Francis	44 min
Oct 15, 5:56 PM CDT	Tornado Warning	MEG	Crittenden, Lee, St. Francis	18 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.