Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 252, NWS Little Rock, AR

October 15, 20214 counties in Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Oct 15, 2021, 3:03 PM CDT for 4 counties in Arkansas. It was in force for 27 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 15, 2021, 3:03 PM CDT (20:03 UTC)
Expired
Oct 15, 2021, 3:30 PM CDT
In force
27 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Faulkner County, AR, Lonoke County, AR, Pulaski County, AR, White County, AR

The radar

The Little Rock radar (KLZK), 19 km from the middle of the area, began a volume at 20:05 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.

What was reported inside it

TimeReportWhereRemark
Oct 15, 3:20 PM CDTTORNADO2 Ssw Rolling Hills, AR
Oct 15, 3:25 PM CDTTSTM WND DMG2 Sw Rolling Hills, ARPICTURES OF SNAPPED AND DOWN TREES NEAR W. REPUBLICAN RD AND CENTENNIAL RD.
Oct 15, 3:32 PM CDTHAIL 0.88Austin, ARSOCIAL MEDIA VIDEO SHOW NICKEL SIZE HAIL FALLING IN AUSTIN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 15, 12:28 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.1 hours before the alert went out and 202 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 2021-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 567 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 2021-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
567 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

205 
WUUS54 KLZK 152003
SVRLZK
ARC045-085-119-145-152030-
/O.NEW.KLZK.SV.W.0252.211015T2003Z-211015T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Little Rock AR
303 PM CDT Fri Oct 15 2021

The National Weather Service in Little Rock has issued a

* Severe Thunderstorm Warning for...
  Northwestern Lonoke County in central Arkansas...
  Southeastern Faulkner County in central Arkansas...
  Southwestern White County in central Arkansas...
  Northeastern Pulaski County in central Arkansas...

* Until 330 PM CDT.

* At 303 PM CDT, severe thunderstorms were located along a line
  extending from 6 miles southeast of Pickles Gap to near Morgan to
  Pinnacle Mountain State Park, mov**!ing east at 40 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Little Rock...                    North Little Rock...
  Conway...                         Sherwood...
  Jacksonville...                   Cabot...
  Maumelle...                       Little Rock AFB...
  North Little Rock Airport...      Beebe...
  Ward...                           Vilonia...
  Mayflower...                      Austin in Lonoke County...
  Old Austin...                     Burns Park...
  Parnell...                        Gravel Ridge...
  Morgan...                         Marche...

This includes the following highways...
 Interstate 40 between mile markers 127 and 150, and between mile
markers 162 and 168.
 Interstate 430 between mile markers 11 and 12.
 Interstate 440 between mile markers 11 and 14.
 US Highway 67 between mile markers 2 and 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3515 9189 3496 9187 3478 9201 3481 9259
      3492 9244 3509 9242
TIME...MOT...LOC 2003Z 263DEG 34KT 3505 9235 3492 9235 3484 9248 

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

$$

232

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 14, 10:16 PM CDTDense Fog AdvisoryLZKBaxter, Calhoun, Clark, Cleburne, Conway, Dallas and 17 more11 hr
Oct 15, 5:56 AM CDTSpecial Weather StatementLZKNewton34 min
Oct 15, 8:56 AM CDTSpecial Weather StatementLZKLogan49 min
Oct 15, 9:56 AM CDTSpecial Weather StatementLZKPope49 min
Oct 15, 12:07 PM CDTSpecial Weather StatementLZKYell53 min
Oct 15, 12:31 PM CDTSevere Thunderstorm WarningLZKConway, Perry, Pope, Yell44 min
Oct 15, 1:11 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pope, Yell49 min
Oct 15, 1:30 PM CDTSevere Thunderstorm WarningLZKGarland, Montgomery, Perry, Saline, Yell45 min
Oct 15, 1:58 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pulaski33 min
Oct 15, 2:12 PM CDTSpecial Weather StatementLZKPerry33 min
Oct 15, 2:18 PM CDTSevere Thunderstorm WarningLZKFaulkner, Garland, Perry, Pulaski, Saline42 min
Oct 15, 2:30 PM CDTSpecial Weather StatementLZKFaulkner30 min
Oct 15, 2:51 PM CDTSpecial Weather StatementLZKPulaski24 min
Oct 15, 3:21 PM CDTTornado WarningLZKLonoke, Pulaski, White24 min
Oct 15, 3:27 PM CDTSpecial Weather StatementLZKJackson33 min
Oct 15, 3:41 PM CDTSevere Thunderstorm WarningLZKLonoke, Monroe, Prairie, White, Woodruff49 min
Oct 15, 4:13 PM CDTSpecial Weather StatementLZKLonoke32 min
Oct 15, 4:25 PM CDTSevere Thunderstorm WarningLZKMonroe, Prairie, Woodruff50 min
Oct 15, 4:25 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie, Pulaski17 min
Oct 15, 4:41 PM CDTSpecial Weather StatementLZKMonroe34 min
Oct 15, 5:15 PM CDTSpecial Weather StatementLZKMonroe30 min
Oct 15, 6:25 PM CDTSpecial Weather StatementLZKDrew35 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.