Alert archive / Arkansas / Wind Advisories in 2021

Wind Advisory 4, NWS Little Rock, AR

October 28, 20215 counties in Arkansas

NWS Little Rock, AR issued this wind advisory at Oct 28, 2021, 2:31 AM CDT for 5 counties in Arkansas. It took effect at Oct 28, 2021, 1:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 28, 2021, 2:31 AM CDT (07:31 UTC)
In effect from
Oct 28, 2021, 1:00 PM CDT
Expired
Oct 28, 2021, 10:00 PM CDT
In force
9 hr
Issued by
NWS Little Rock, AR

Counties Clark County, AR, Garland County, AR, Hot Spring County, AR, Ouachita County, AR, Pike County, AR

The radar

The Little Rock radar (KLZK), 113 km from the middle of the area, began a volume at 07:34 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

Shreveport, LA (KSHV), launched 00:00Z, 7.5 hours before the alert went out and 193 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, Shreveport, LA at 00:00Z on 2021-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 joules per kilogram.LCLEL10008507005003002001001 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, Shreveport, LA at 00:00Z on 2021-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -105 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
43 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1308 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
-105 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

193 
WWUS74 KLZK 280731
NPWLZK

URGENT - WEATHER MESSAGE
National Weather Service Little Rock AR
231 AM CDT Thu Oct 28 2021

ARZ003-012-021-022-030-037-038-040>042-052>054-066-282100-
/O.NEW.KLZK.WI.Y.0004.211028T1800Z-211029T0300Z/
Boone-Newton-Johnson-Pope-Logan-Scott-Yell-Polk-Montgomery-
Garland-Pike-Clark-Hot Spring-Ouachita-
Including the cities of Harrison, Jasper, Western Grove, 
Clarksville, Russellville, Booneville, Paris, Waldron, 
Dardanelle, Danville, Ola, Mena, Mount Ida, Norman, Hot Springs, 
Murfreesboro, Glenwood, Arkadelphia, Malvern, and Camden
231 AM CDT Thu Oct 28 2021

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM CDT
THIS EVENING...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 40 mph
  expected. The higher terrain areas will likely see the highest
  wind gusts.

* WHERE...Portions of central, north central, southwest and 
  western Arkansas.

* WHEN...From 1 PM this afternoon to 10 PM CDT this evening.

* 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.

&&

$$

Goudsward

Nearby

Wind Advisories in Arkansas, 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.