Alert archive / Missouri / Special Weather Statements in 2021

Special Weather Statement, NWS Memphis, TN

December 5, 2021Dunklin County, Missouri

NWS Memphis, TN issued this special weather statement at Dec 5, 2021, 6:54 PM CST for Dunklin County, Missouri. It was in force for 36 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 5, 2021, 6:54 PM CST (00:54 UTC)
Expired
Dec 5, 2021, 7:30 PM CST
In force
36 min
Issued by
NWS Memphis, TN
Hail
0.88 in
Wind
40

County Dunklin County, MO

The radar

The Memphis radar (KNQA), 76 km from the middle of the area, began a volume at 00:53 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, 0.9 hours before the alert went out and 129 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 2021-12-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1313 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2021-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 square meters per square second.19395878Sfc1 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
1313 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
793 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
252 m²/s²
0-3 km storm-relative helicity
326 m²/s²
Significant tornado parameter
2.2
Supercell composite
19.4

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Memphis, TN wrote its last area forecast discussion before this special weather statement went out at Dec 5, 6:03 PM CST, 51 minutes earlier.

Area forecast discussion, Dec 5, 6:03 PM CST, 51 minutes before
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Hazardous weather outlook, Dec 5, 1:04 PM CST, 5 hours 50 minutes before
Hazardous Weather Outlook
National Weather Service Memphis TN
104 PM CST Sun Dec 5 2021

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-062115-
Alcorn-Benton MS-Benton TN-Calhoun-Carroll-Chester-Chickasaw-Clay-
Coahoma-Craighead-Crittenden-Crockett-Cross-DeSoto-Decatur-
Dunklin-Dyer-Fayette-Gibson-Greene-Hardeman-Hardin-Haywood-
Henderson-Henry-Itawamba-Lafayette-Lake-Lauderdale-Lee AR-Lee MS-
Madison-Marshall-McNairy-Mississippi-Monroe-Obion-Panola-Pemiscot-
Phillips-Poinsett-Pontotoc-Prentiss-Quitman-Shelby-St. Francis-
Tallahatchie-Tate-Tippah-Tipton-Tishomingo-Tunica-Union-Weakley-
Yalobusha-
104 PM CST Sun Dec 5 2021

This hazardous weather outlook is for portions of East Arkansas...
the Missouri Bootheel...North Mississippi...and West Tennessee.

.DAY ONE...This Afternoon and Tonight

There is a Slight Risk for severe thunderstorms late tonight and
early Monday morning over most of the Midsouth, specifically,
north of a line from Charleston to Oxford to Savannah. Primary
severe weather threat will be damaging winds. Secondary threats
include brief tornadoes and flash flooding. Additionally, a
secondary threat for large hail will exist over northeast Arkansas
and the Missouri bootheel in the early overnight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a Marginal Risk for severe thunderstorms Monday morning,
over east central Arkansas, most of north Mississippi, and
portions of southwest Tennessee near the Tennessee River. Primary
threat will be damaging winds. Secondary threat will be flash
flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late tonight.

In the hours before

Special weather statement, Dec 5, 4:00 PM CST, 2 hours 54 minutes before
Special Weather Statement
National Weather Service Memphis TN
400 PM CST Sun Dec 5 2021

TNZ052-053-090-052230-
Hardeman TN-Chester TN-Madison TN-
400 PM CST Sun Dec 5 2021

...A strong thunderstorm will impact portions of northeastern
Hardeman, south central Madison and west central Chester Counties
through 430 PM CST...

At 400 PM CST, Doppler radar was tracking a strong thunderstorm near
Chickasaw State Forest, moving northeast at 30 mph.

HAZARD...Winds in excess of 30 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Henderson, Chickasaw State Park, Chickasaw State Forest, Silerton,
Toone, Medon, Deanburg, Pinson, Teague, Montezuma and Parkburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3529 8901 3536 8908 3554 8874 3537 8860
TIME...MOT...LOC 2200Z 244DEG 27KT 3537 8892

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
Local storm report, Dec 5, 4:45 PM CST, 2 hours 9 minutes before
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Local storm report, Dec 5, 5:44 PM CST, 1 hour 10 minutes before
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Local storm report, Dec 5, 6:18 PM CST, 36 minutes before
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Local storm report, Dec 5, 6:39 PM CST, 15 minutes before
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Special weather statement, Dec 5, 6:54 PM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 6, 4:45 AM CSTSpecial Weather StatementMEGBenton, Tippah30 min
Dec 6, 4:58 AM CSTSpecial Weather StatementMEGLafayette, Union32 min
Dec 6, 5:09 AM CSTSevere Thunderstorm WarningMEGLafayette, Marshall, Pontotoc, Union36 min
Dec 6, 5:11 AM CSTSpecial Weather StatementMEGAlcorn, Tippah34 min
Dec 6, 5:15 AM CSTSpecial Weather StatementMEGTallahatchie, Yalobusha30 min
Dec 6, 5:35 AM CSTSevere Thunderstorm WarningMEGItawamba, Lee, Pontotoc, Prentiss, Tippah, Tishomingo and 1 more40 min
Dec 6, 5:47 AM CSTSpecial Weather StatementMEGCalhoun, Lee, Pontotoc43 min
Dec 6, 6:15 AM CSTSpecial Weather StatementMEGItawamba, Lee30 min
Dec 6, 6:32 AM CSTSpecial Weather StatementMEGCalhoun, Chickasaw28 min
Dec 6, 7:04 AM CSTAreal Flood AdvisoryMEGCalhoun, Chickasaw, Yalobusha3 hr
Dec 6, 2:55 AM CSTSpecial Weather StatementMEGLake, Obion35 min
Dec 6, 3:10 AM CSTSpecial Weather StatementMEGShelby, Tipton35 min
Dec 6, 3:28 AM CSTSpecial Weather StatementMEGDyer, Weakley32 min
Dec 6, 3:44 AM CSTSevere Thunderstorm WarningMEGBenton, Henry, Weakley31 min
Dec 6, 3:45 AM CSTSpecial Weather StatementMEGFayette, Haywood, Madison30 min
Dec 6, 4:25 AM CSTAreal Flood AdvisoryMEGCrockett, Haywood, Lauderdale, Tipton2 hr
Dec 6, 4:36 AM CSTSpecial Weather StatementMEGCarroll, Henderson, Madison24 min
Dec 6, 1:36 AM CSTSpecial Weather StatementMEGClay24 min
Dec 6, 2:00 AM CSTSpecial Weather StatementMEGClay30 min
Dec 6, 2:29 AM CSTSpecial Weather StatementMEGDunklin, Pemiscot31 min

Nearby

Special Weather Statements in Missouri, 2021Every special weather statement 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.