Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 149, NWS Memphis, TN

June 7, 2021Lee County, Phillips County, Arkansas; 4 counties in Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Jun 7, 2021, 6:26 PM CDT for Lee County, Phillips County, Arkansas; 4 counties in Mississippi. It was in force for 49 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
Jun 7, 2021, 6:26 PM CDT (23:26 UTC)
Expired
Jun 7, 2021, 7:15 PM CDT
In force
49 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Lee County, AR, Phillips County, AR, Coahoma County, MS, Quitman County, MS, Tallahatchie County, MS, Tunica County, MS

The radar

The Memphis radar (KNQA), 148 km from the middle of the area, began a volume at 23:29 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
Jun 7, 7:05 PM CDTTSTM WND DMGMarks, MSTREES DOWN IN MARKS.

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

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.4 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 12:00Z on 2021-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 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 2021-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939Sfc1 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
72 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
874 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

324 
WUUS54 KMEG 072326
SVRMEG
ARC077-107-MSC027-119-135-143-080015-
/O.NEW.KMEG.SV.W.0149.210607T2326Z-210608T0015Z/

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

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Southwestern Lee County in eastern Arkansas...
  Phillips County in eastern Arkansas...
  Coahoma County in northwestern Mississippi...
  Southwestern Tunica County in northwestern Mississippi...
  Northwestern Tallahatchie County in northwestern Mississippi...
  Quitman County in northwestern Mississippi...

* Until 715 PM CDT.

* At 625 PM CDT, severe thunderstorms were located along a line
  extending from near Merrisach Lake to near Shelby to near Drew, 
  moving north at 60 mph. The ASOS at Greenville reported 59 KTS 
  when the line went through.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Clarksdale, Marvell, Elaine, St Francis National Park, Helena-West
  Helena, White River National Wildlife Refuge, Tutwiler, Marks,
  Lambert, Jonestown, Friars Point, Crowder, Webb, Sumner, Lexa,
  Rondo, Belen, Vance, Crumrod and Dublin.

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 3412 9112 3414 9108 3419 9109 3422 9106
      3429 9108 3434 9105 3434 9100 3447 9100
      3447 9106 3471 9105 3467 9068 3438 9022
      3430 9019 3424 9013 3404 9014 3381 9037
      3381 9045 3399 9045 3399 9066 3412 9066
TIME...MOT...LOC 2325Z 185DEG 52KT 3406 9135 3401 9076 3379 9047 

HAIL...<.75IN
WIND...70MPH
 
$$

KRM
2 follow-up statements
606 
WWUS54 KMEG 072356
SVSMEG

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

ARC077-107-MSC027-119-135-143-080015-
/O.CON.KMEG.SV.W.0149.000000T0000Z-210608T0015Z/
Lee AR-Phillips AR-Coahoma MS-Tunica MS-Tallahatchie MS-Quitman MS-
656 PM CDT Mon Jun 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR SOUTHWESTERN LEE...PHILLIPS...COAHOMA...SOUTHWESTERN TUNICA...
NORTHWESTERN TALLAHATCHIE AND QUITMAN COUNTIES...

At 656 PM CDT, severe thunderstorms were located along a line
extending from 6 miles east of St. Charles to Jonestown to near
Crowder, moving northeast at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Clarksdale, Marvell, Elaine, St Francis National Park, Helena-West
Helena, White River National Wildlife Refuge, Tutwiler, Marks,
Lambert, Jonestown, Friars Point, Crowder, Webb, Sumner, Lexa, Rondo,
Belen, Vance, Crumrod and Dublin.

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 3412 9112 3413 9104 3419 9109 3422 9106
      3428 9108 3429 9106 3434 9105 3434 9100
      3447 9100 3447 9106 3471 9105 3467 9068
      3438 9022 3430 9019 3424 9013 3404 9014
      3391 9027 3401 9045 3403 9062 3412 9066
TIME...MOT...LOC 2356Z 227DEG 54KT 3439 9103 3434 9044 3412 9014 

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

KRM
969 
WWUS54 KMEG 080004
SVSMEG

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

ARC077-107-MSC027-119-135-143-080015-
/O.CON.KMEG.SV.W.0149.000000T0000Z-210608T0015Z/
Lee AR-Phillips AR-Coahoma MS-Tunica MS-Tallahatchie MS-Quitman MS-
704 PM CDT Mon Jun 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR SOUTHWESTERN LEE...PHILLIPS...NORTHERN COAHOMA...SOUTHWESTERN
TUNICA...NORTHWESTERN TALLAHATCHIE AND QUITMAN COUNTIES...

At 704 PM CDT, severe thunderstorms were located along a line
extending from near Watkins Corner to near Dundee to near Crowder,
moving north at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Clarksdale, Marvell, Elaine, Helena-West Helena, White River National
Wildlife Refuge, St Francis National Park, Marks, Lambert, Jonestown,
Friars Point, Crowder, Lexa, Rondo, Belen, Dundee, Watkins Corner,
Vance, Darling, Kings and Lake View.

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 3424 9071 3426 9083 3419 9109 3422 9106
      3428 9108 3429 9106 3434 9105 3434 9100
      3447 9100 3447 9106 3471 9105 3467 9068
      3438 9022 3430 9019 3424 9013 3404 9014
      3400 9027 3404 9042 3412 9052 3418 9061
TIME...MOT...LOC 0004Z 185DEG 52KT 3450 9102 3445 9043 3423 9013 

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

KRM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 6:54 PM CDTSevere Thunderstorm WarningMEGCrittenden, Lee51 min
Jun 7, 3:15 PM CDTSpecial Weather StatementMEGPontotoc30 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Severe 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.