Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 135, NWS Memphis, TN

May 9, 2021Cross County, Lee County, St. Francis County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at May 9, 2021, 4:20 PM CDT for Cross County, Lee County, St. Francis County, Arkansas. It was in force for 40 min. 2 reports 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
May 9, 2021, 4:20 PM CDT (21:20 UTC)
Expired
May 9, 2021, 5:00 PM CDT
In force
40 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cross County, AR, Lee County, AR, St. Francis County, AR

The radar

The Memphis radar (KNQA), 103 km from the middle of the area, began a volume at 21:24 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

TimeReportWhereRemark
May 9, 4:30 PM CDTTSTM WND DMGPalestine, ARROOF OFF HOUSE. POWER POLES AND BARN BLOWN IN.
May 9, 4:30 PM CDTTORNADO4 Nne New Salem, ARA BRIEF TORNADO DAMAGED A BARN AND STORAGE BUILDING. A HOME SUSTAINED MINOR ROOF DAMAGE AND SEVERAL TREES WERE UPROOTED.

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.

IssuedProductOfficeLasted
May 9, 2:27 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.3 hours before the alert went out and 82 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.

664 
WUUS54 KMEG 092120
SVRMEG
ARC037-077-123-092200-
/O.NEW.KMEG.SV.W.0135.210509T2120Z-210509T2200Z/

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

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Lee County in eastern Arkansas...
  St. Francis County in eastern Arkansas...
  Southern Cross County in eastern Arkansas...

* Until 500 PM CDT.

* At 419 PM CDT, a severe thunderstorm was located near Hunter, or 12
  miles north of Brinkley, moving southeast at 25 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...
  Forrest City, Marianna, Madison, Palestine, Village Creek State
  Park, Caldwell, Colt, Wheatley, Widener, Moro, Rondo, Aubrey,
  Haynes, Garret Grove, Brickeys, New Salem, New Home, Lagrange, Cody
  and Cottonwood Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3500 9115 3500 9104 3521 9104 3517 9050
      3514 9050 3514 9046 3479 9055 3474 9055
      3474 9057 3470 9056 3467 9059 3464 9059
      3464 9074 3472 9105 3473 9105 3474 9110
      3487 9110 3487 9112 3491 9112 3491 9115
TIME...MOT...LOC 2119Z 302DEG 20KT 3507 9123 

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

SWB
1 follow-up statement
468 
WWUS54 KMEG 092152
SVSMEG

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

ARC037-077-123-092202-
/O.EXP.KMEG.SV.W.0135.000000T0000Z-210509T2200Z/
Lee AR-St. Francis AR-Cross AR-
452 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR LEE...ST. FRANCIS AND SOUTHERN
CROSS COUNTIES WILL EXPIRE AT 500 PM CDT...
                
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 will be allowed to expire.

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

Remember, a Severe Thunderstorm Warning still remains in effect.

LAT...LON 3500 9115 3500 9104 3521 9104 3517 9050
      3514 9050 3514 9046 3479 9055 3474 9055
      3474 9057 3470 9056 3467 9059 3464 9059
      3464 9074 3472 9105 3473 9105 3474 9110
      3487 9110 3487 9112 3491 9112 3491 9115
TIME...MOT...LOC 2152Z 302DEG 20KT 3498 9105 

$$

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, 3:55 PM CDTSevere Thunderstorm WarningMEGCross, Poinsett35 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, 4:28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.