Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 153, NWS Memphis, TN

June 7, 2021Cross County, Lee County, St. Francis County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Jun 7, 2021, 7:57 PM CDT for Cross County, Lee County, St. Francis County, Arkansas. It was in force for 21 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
Jun 7, 2021, 7:57 PM CDT (00:57 UTC)
Expired
Jun 7, 2021, 8:18 PM CDT
In force
21 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
0.75 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 00:56 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

Little Rock, AR (KLZK), launched 00:00Z, 1.0 hours before the alert went out and 99 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 00:00Z on 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 705 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 00:00Z on 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.193958Sfc1 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
705 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
678 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

801 
WUUS54 KMEG 080057
SVRMEG
ARC037-077-123-080145-
/O.NEW.KMEG.SV.W.0153.210608T0057Z-210608T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
757 PM CDT Mon Jun 7 2021

The National Weather Service in Memphis has issued a

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

* Until 845 PM CDT.

* At 757 PM CDT, severe thunderstorms were located along a line
  extending from near Patterson to near Palestine, moving north at 40
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Forrest City, Wynne, Palestine, Village Creek State Park, Caldwell,
  Colt, Hickory Ridge, Fair Oaks, New Salem, Hydrick, Slonikers Mill,
  Fitzgerald Crossing, New Castle, Goodwin, Brushy Lake, McElroy,
  Gill, Hawkins, Horton and Rosenbaum.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3500 9104 3544 9104 3544 9099 3520 9061
      3481 9096 3500 9115
TIME...MOT...LOC 0057Z 202DEG 34KT 3522 9126 3495 9097 

HAIL...<.75IN
WIND...60MPH
 
$$

KRM
2 follow-up statements
930 
WWUS54 KMEG 080113
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
813 PM CDT Mon Jun 7 2021

ARC077-080123-
/O.CAN.KMEG.SV.W.0153.000000T0000Z-210608T0145Z/
Lee AR-
813 PM CDT Mon Jun 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LEE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3500 9104 3544 9104 3544 9099 3520 9061
      3499 9080 3500 9094
TIME...MOT...LOC 0113Z 223DEG 40KT 3526 9112 3513 9071 

$$

ARC037-123-080145-
/O.CON.KMEG.SV.W.0153.000000T0000Z-210608T0145Z/
St. Francis AR-Cross AR-
813 PM CDT Mon Jun 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHWESTERN ST. FRANCIS AND WESTERN CROSS COUNTIES...

At 813 PM CDT, severe thunderstorms were located along a line
extending from near McCrory to near Village Creek State Park, moving
northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Forrest City, Wynne, Village Creek State Park, Caldwell, Colt,
Hickory Ridge, Fair Oaks, Hydrick, Slonikers Mill, Fitzgerald
Crossing, New Castle, Brushy Lake, McElroy, Hawkins, Horton,
Rosenbaum, Crow Creek, Wittsburg, Tilton and Four Gums.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3500 9104 3544 9104 3544 9099 3520 9061
      3499 9080 3500 9094
TIME...MOT...LOC 0113Z 223DEG 40KT 3526 9112 3513 9071 

HAIL...<.75IN
WIND...60MPH
 
$$

KRM
824 
WWUS54 KMEG 080118
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
818 PM CDT Mon Jun 7 2021

ARC037-123-080128-
/O.CAN.KMEG.SV.W.0153.000000T0000Z-210608T0145Z/
St. Francis AR-Cross AR-
818 PM CDT Mon Jun 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ST. FRANCIS AND
WESTERN CROSS COUNTIES IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with these thunderstorms.

LAT...LON 3500 9104 3544 9104 3544 9099 3520 9061
      3499 9080 3500 9094
TIME...MOT...LOC 0117Z 202DEG 34KT 3530 9110 3517 9069 

$$

KRM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 7:09 PM CDTSevere Thunderstorm WarningMEGLee, Phillips21 min
Jun 7, 7:29 PM CDTSpecial Weather StatementMEGLee, St. Francis31 min
Jun 7, 8:19 PM CDTSpecial Weather StatementMEGCrittenden26 min
Jun 7, 8:20 PM CDTSpecial Weather StatementMEGCross, Poinsett25 min
Jun 8, 4:25 AM CDTFlash Flood WatchMEGLee, Phillips4 days
Jun 8, 5:24 AM CDTFlash Flood WarningMEGPhillips5 hr
Jun 8, 7:47 AM CDTAreal Flood AdvisoryMEGLee, Phillips3 hr
Jun 8, 10:33 AM CDTAreal Flood AdvisoryMEGPhillips3 hr
Jun 8, 1:45 PM CDTFlash Flood WarningMEGPhillips4 hr
Jun 8, 5:56 PM CDTAreal Flood WarningMEGPhillips5 hr

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.