Alert archive / Arkansas / Wind Advisories in 2018

Wind Advisory 2, NWS Memphis, TN

February 15, 20186 counties in Arkansas; Dunklin County, Pemiscot County, Missouri; 6 counties in Tennessee

NWS Memphis, TN issued this wind advisory at Feb 15, 2018, 2:35 PM CST for 6 counties in Arkansas; Dunklin County, Pemiscot County, Missouri; 6 counties in Tennessee. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 15, 2018, 2:35 PM CST (20:35 UTC)
Expired
Feb 15, 2018, 6:00 PM CST
In force
3 hr
Issued by
NWS Memphis, TN

Counties Clay County, AR, Craighead County, AR, Greene County, AR, Lawrence County, AR, Mississippi County, AR, Randolph County, AR, Dunklin County, MO, Pemiscot County, MO, Dyer County, TN, Gibson County, TN, Henry County, TN, Lake County, TN, Obion County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 90 km from the middle of the area, began a volume at 20:40 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 (KBYH), launched 12:00Z, 8.6 hours before the alert went out and 148 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 2018-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2018-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 279 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
279 m²/s²
0-3 km storm-relative helicity
313 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

693 
WWUS74 KMEG 152035
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
235 PM CST Thu Feb 15 2018

...STRONG WINDS ACROSS PORTIONS OF THE MID SOUTH UNTIL EARLY
EVENING...

ARZ008-009-017-018-026-028-MOZ113-115-TNZ001>004-019-020-160000-
/O.NEW.KMEG.WI.Y.0002.180215T2035Z-180216T0000Z/
Randolph-Clay-Lawrence-Greene-Craighead-Mississippi-Dunklin-
Pemiscot-Lake-Obion-Weakley-Henry-Dyer-Gibson-
Including the cities of Pocahontas, Piggott, Corning, 
Walnut Ridge, Paragould, Jonesboro, Blytheville, Kennett, 
Caruthersville, Tiptonville, Union City, Martin, Dresden, Paris, 
Dyersburg, Humboldt, and Milan
235 PM CST Thu Feb 15 2018

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

The National Weather Service in Memphis has issued a Wind
Advisory, which is in effect until 6 PM CST this evening. 

* WINDS...Sustained winds of 25 mph with gusts to around 40 mph.

* TIMING...through 6 PM CST.

* IMPACTS...Winds this strong can make driving difficult, 
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 25 mph or greater
are expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

Nearby

Wind Advisories in Arkansas, 2018Wind Advisories in Tennessee, 2018Wind Advisories in Missouri, 2018Every wind advisory in 2018

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.