Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 206, NWS Memphis, TN

December 11, 2021Crittenden County, Lee County, St. Francis County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Dec 11, 2021, 12:02 AM CST for Crittenden County, Lee County, St. Francis County, Arkansas. It was in force for 43 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
Dec 11, 2021, 12:02 AM CST (06:02 UTC)
Expired
Dec 11, 2021, 12:45 AM CST
In force
43 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Memphis radar (KNQA), 69 km from the middle of the area, began a volume at 06:05 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
Dec 10, 3:07 PM CSTTornado WatchSPC11 hr
Dec 10, 10:44 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.0 hours before the alert went out and 49 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 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1725 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 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 398 square meters per square second.1939587897117Sfc1 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
1725 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
398 m²/s²
0-3 km storm-relative helicity
420 m²/s²
Significant tornado parameter
4.8
Supercell composite
16.2

Open this sounding in Storm Lab

The text

As transmitted.

192 
WUUS54 KMEG 110602
SVRMEG
ARC035-077-123-110645-
/O.NEW.KMEG.SV.W.0206.211211T0602Z-211211T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
1202 AM CST Sat Dec 11 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Eastern Lee County in eastern Arkansas...
  Eastern St. Francis County in eastern Arkansas...
  Southwestern Crittenden County in eastern Arkansas...

* Until 1245 AM CST.

* At 1201 AM CST, a severe thunderstorm was located near Brickeys, or
  8 miles northeast of Marianna, moving northeast at 85 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  West Memphis, Forrest City, Marion, Marianna, Hughes, Madison,
  Crawfordsville, Edmondson, Horseshoe Lake, Widener, Anthonyville,
  Haynes, Jennette, Simsboro, Brickeys, Pinckney, New Home,
  Crittenden, Cody and Browns.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CST for eastern
Arkansas. A Tornado Watch also remains in effect until 500 AM CST for
eastern Arkansas...northwestern Mississippi...and western Tennessee.

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

A Tornado Watch remains in effect until 200 AM CST for eastern
Arkansas. A Tornado Watch also remains in effect until 500 AM CST for
eastern Arkansas...northwestern Mississippi...and western Tennessee.

&&

LAT...LON 3515 9053 3514 9050 3516 9050 3530 9027
      3504 9026 3504 9030 3500 9031 3496 9026
      3491 9026 3483 9042 3488 9044 3489 9048
      3486 9048 3482 9046 3479 9051 3480 9054
      3478 9055 3467 9077 3492 9090
TIME...MOT...LOC 0601Z 232DEG 75KT 3488 9067 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

SMW
2 follow-up statements
641 
WWUS54 KMEG 110628
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1228 AM CST Sat Dec 11 2021

ARC035-077-123-110645-
/O.CON.KMEG.SV.W.0206.000000T0000Z-211211T0645Z/
Lee AR-St. Francis AR-Crittenden AR-
1228 AM CST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CST
FOR EASTERN LEE...SOUTHEASTERN ST. FRANCIS AND SOUTHWESTERN
CRITTENDEN COUNTIES...

At 1228 AM CST, a severe thunderstorm was located near Sunset, or
near Marion, moving northeast at 85 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...
West Memphis, Marion, Marianna, Hughes, Edmondson, Horseshoe Lake,
Anthonyville, Pinckney, Simsboro, Brickeys, Crittenden,
Jeffersonville, Cody, Kokomo, Kate, Browns, Louise, Mud Lake, Brice
and Soudan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 500 AM CST for eastern
Arkansas...northwestern Mississippi...and western Tennessee.

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

&&

LAT...LON 3504 9026 3504 9030 3500 9031 3496 9026
      3491 9026 3483 9042 3488 9044 3489 9048
      3486 9048 3482 9046 3479 9051 3480 9054
      3478 9055 3467 9077 3484 9085 3503 9052
      3520 9027
TIME...MOT...LOC 0628Z 232DEG 75KT 3523 9013 

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

$$

SMW
004 
WWUS54 KMEG 110635
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1235 AM CST Sat Dec 11 2021

ARC035-077-123-110645-
/O.CON.KMEG.SV.W.0206.000000T0000Z-211211T0645Z/
Lee AR-St. Francis AR-Crittenden AR-
1235 AM CST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CST
FOR EASTERN LEE...SOUTHEASTERN ST. FRANCIS AND SOUTHWESTERN
CRITTENDEN COUNTIES...

At 1235 AM CST, a severe thunderstorm was located near Walls, or near
T O Fuller State Park, moving northeast at 60 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...
West Memphis, Marion, Marianna, Hughes, Edmondson, Horseshoe Lake,
Anthonyville, Pinckney, Simsboro, Brickeys, Crittenden,
Jeffersonville, Cody, Kokomo, Kate, Browns, Louise, Mud Lake, Brice
and Soudan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 500 AM CST for eastern
Arkansas...northwestern Mississippi...and western Tennessee.

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

&&

LAT...LON 3504 9026 3504 9030 3500 9031 3496 9026
      3491 9026 3483 9042 3488 9044 3489 9048
      3486 9048 3482 9046 3479 9051 3480 9054
      3478 9055 3467 9077 3484 9085 3503 9052
      3520 9027
TIME...MOT...LOC 0635Z 238DEG 53KT 3501 9018 

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

$$

SMW

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 6:07 PM CSTTornado WarningMEGCraighead, Poinsett38 min
Dec 10, 6:39 PM CSTTornado WarningMEGCraighead, Greene, Mississippi, Poinsett51 min
Dec 10, 7:06 PM CSTTornado Warning Tornado observedConsiderable damage threatMEGCraighead, Greene, Mississippi39 min
Dec 10, 7:28 PM CSTTornado Warning EmergencyTornado observedConsiderable damage threatMEGMississippi47 min
Dec 10, 8:14 PM CSTTornado WarningMEGCraighead, Greene34 min
Dec 10, 8:20 PM CSTTornado WarningMEGCross, Poinsett40 min
Dec 10, 8:57 PM CSTTornado WarningMEGCraighead, Poinsett48 min
Dec 10, 8:59 PM CSTTornado WarningMEGCraighead, Crittenden, Cross, Poinsett31 min
Dec 10, 9:18 PM CSTTornado WarningMEGCraighead, Mississippi, Poinsett42 min
Dec 10, 9:24 PM CSTTornado WarningMEGCraighead, Mississippi, Poinsett51 min
Dec 10, 9:25 PM CSTSevere Thunderstorm Warning Considerable damage threatMEGCrittenden, Cross, Mississippi, Poinsett50 min
Dec 10, 9:39 PM CSTAreal Flood AdvisoryMEGCraighead, Cross, Poinsett3 hr
Dec 10, 9:52 PM CSTTornado WarningMEGMississippi38 min
Dec 10, 10:01 PM CSTTornado WarningMEGMississippi44 min
Dec 10, 10:46 PM CSTSevere Thunderstorm WarningMEGLee, St. Francis44 min
Dec 10, 11:20 PM CSTSevere Thunderstorm WarningMEGMississippi15 min
Dec 10, 11:25 PM CSTSevere Thunderstorm WarningMEGCrittenden, Lee, St. Francis9 min
Dec 10, 11:41 PM CSTAreal Flood AdvisoryMEGMississippi3 hr
Dec 10, 11:48 PM CSTSevere Thunderstorm WarningMEGCrittenden42 min
Dec 10, 11:52 PM CSTTornado WarningMEGCrittenden34 min
Dec 11, 12:30 AM CSTSevere Thunderstorm WarningMEGCrittenden30 min
Dec 11, 12:46 AM CSTSevere Thunderstorm WarningMEGLee, Phillips, St. Francis44 min
Dec 11, 12:48 AM CSTSevere Thunderstorm WarningMEGCrittenden, Lee, St. Francis42 min
Dec 11, 1:43 AM CSTSpecial Weather StatementMEGPhillips32 min
Dec 11, 2:12 AM CSTAreal Flood AdvisoryMEGCrittenden, Lee3 hr
Dec 11, 6:56 AM CSTWind AdvisoryMEGClay, Craighead, Greene, Mississippi, Poinsett5 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.