Alert archive / Arkansas / Wind Advisories in 2021

Wind Advisory 11, NWS Memphis, TN

December 28, 20215 counties in Arkansas; Dunklin County, Pemiscot County, Missouri

NWS Memphis, TN issued this wind advisory at Dec 28, 2021, 11:58 AM CST for 5 counties in Arkansas; Dunklin County, Pemiscot County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 28, 2021, 11:58 AM CST (17:58 UTC)
Expired
Dec 28, 2021, 3:46 PM CST
In force
4 hr
Issued by
NWS Memphis, TN

Counties Clay County, AR, Craighead County, AR, Greene County, AR, Mississippi County, AR, Poinsett County, AR, Dunklin County, MO, Pemiscot County, MO

The radar

The Memphis radar (KNQA), 83 km from the middle of the area, began a volume at 18:02 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 12:00Z, 6.0 hours before the alert went out and 134 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 2021-12-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 2021-12-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 268 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
3 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
770 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
268 m²/s²
0-3 km storm-relative helicity
384 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

370 
WWUS74 KMEG 281758
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
1158 AM CST Tue Dec 28 2021

ARZ009-018-026>028-MOZ113-115-282200-
/O.NEW.KMEG.WI.Y.0011.211228T1758Z-211228T2200Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Dunklin-Pemiscot-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Kennett, and Caruthersville
1158 AM CST Tue Dec 28 2021

...WIND ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

* WHAT...Southwest winds 15 to 25 mph with gusts up to 40 mph.

* WHERE...In Arkansas, Clay, Greene, Craighead, Poinsett and 
  Mississippi Counties. In Missouri, Dunklin and Pemiscot 
  Counties.

* WHEN...Until 4 PM CST this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

SJM
1 follow-up statement
932 
WWUS74 KMEG 282146
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
346 PM CST Tue Dec 28 2021

ARZ009-018-026>028-MOZ113-115-282300-
/O.CAN.KMEG.WI.Y.0011.000000T0000Z-211228T2200Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Dunklin-Pemiscot-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Kennett, and Caruthersville
346 PM CST Tue Dec 28 2021

...WIND ADVISORY IS CANCELLED...

Winds are diminishing across the area and the wind advisory has
been cancelled.

$$

SJM

Nearby

Wind Advisories in Arkansas, 2021Wind Advisories in Missouri, 2021Every wind advisory 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.