Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 132, NWS Memphis, TN

May 9, 2021Cross County, Poinsett County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at May 9, 2021, 3:55 PM CDT for Cross County, Poinsett County, Arkansas. It was in force for 35 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
May 9, 2021, 3:55 PM CDT (20:55 UTC)
Expired
May 9, 2021, 4:30 PM CDT
In force
35 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cross County, AR, Poinsett County, AR

The radar

The Memphis radar (KNQA), 92 km from the middle of the area, began a volume at 20:57 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
May 9, 2:27 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.9 hours before the alert went out and 112 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, Little Rock, AR at 12:00Z on 2021-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 203 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, Little Rock, AR at 12:00Z on 2021-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 446 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
203 J/kg
Mixed-layer CIN
-439 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
446 m²/s²
0-3 km storm-relative helicity
571 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

058 
WUUS54 KMEG 092055
SVRMEG
ARC037-111-092130-
/O.NEW.KMEG.SV.W.0132.210509T2055Z-210509T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
355 PM CDT Sun May 9 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Southwestern Poinsett County in eastern Arkansas...
  Northern Cross County in eastern Arkansas...

* Until 430 PM CDT.

* At 354 PM CDT, a severe thunderstorm was located near Algoa, or 13
  miles southeast of Newport, moving east at 20 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...
  Harrisburg, Cherry Valley, Hickory Ridge, Waldenburg, Fisher, Wiley
  Crossing, Birdeye, Landers, Pittinger, Supply, Weona Junction,
  Weona, Stewart, Mersman, Bay Village, Whitaker and Lake Poinsett
  State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3561 9104 3558 9057 3532 9063 3542 9104
TIME...MOT...LOC 2054Z 281DEG 19KT 3552 9103 

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

SWB
1 follow-up statement
721 
WWUS54 KMEG 092121 RRA
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
421 PM CDT Sun May 9 2021

ARC037-111-092131-
/O.EXP.KMEG.SV.W.0132.000000T0000Z-210509T2130Z/
Poinsett AR-Cross AR-
421 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN POINSETT AND
NORTHERN CROSS COUNTIES WILL EXPIRE AT 430 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
eastern Arkansas.

LAT...LON 3561 9104 3558 9057 3532 9063 3542 9104
TIME...MOT...LOC 2121Z 281DEG 19KT 3549 9087 

$$

SWB

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:28 AM CDTSpecial Weather StatementMEGClay, Greene32 min
May 9, 3:35 PM CDTSpecial Weather StatementMEGCraighead25 min
May 9, 3:39 PM CDTSevere Thunderstorm WarningMEGCraighead, Mississippi, Poinsett36 min
May 9, 3:47 PM CDTSevere Thunderstorm WarningMEGMississippi28 min
May 9, 4:01 PM CDTSevere Thunderstorm WarningMEGCross, St. Francis29 min
May 9, 4:17 PM CDTSevere Thunderstorm WarningMEGCraighead, Mississippi, Poinsett28 min
May 9, 4:20 PM CDTSevere Thunderstorm WarningMEGCross, Lee, St. Francis40 min
May 9, 4:28 PM CDTTornado WarningMEGLee, St. Francis32 min
May 9, 4:50 PM CDTSevere Thunderstorm WarningMEGCrittenden, Cross, Lee, St. Francis40 min
May 9, 5:21 PM CDTSevere Thunderstorm WarningMEGLee24 min

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.