Alert archive / Arkansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 239, NWS Little Rock, AR

June 24, 2018Faulkner County, Lonoke County, Pulaski County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jun 24, 2018, 8:11 PM CDT for Faulkner County, Lonoke County, Pulaski County, Arkansas. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 24, 2018, 8:11 PM CDT (01:11 UTC)
Expired
Jun 24, 2018, 8:48 PM CDT
In force
37 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

The radar

The Little Rock radar (KLZK), 10 km from the middle of the area, began a volume at 01:11 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 24, 4:53 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 00:00Z, 1.2 hours before the alert went out and 203 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 2018-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1323 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 2018-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 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
1323 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1457 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 7:01 PM CDTSpecial Weather StatementLZKNewton44 min
Jun 24, 7:16 PM CDTSpecial Weather StatementLZKSaline44 min
Jun 24, 7:23 PM CDTSpecial Weather StatementLZKWhite52 min
Jun 24, 7:28 PM CDTSpecial Weather StatementLZKVan Buren47 min
Jun 24, 7:39 PM CDTSevere Thunderstorm WarningLZKFaulkner, Hot Spring, Perry, Pulaski, Saline51 min
Jun 24, 8:08 PM CDTSpecial Weather StatementLZKCleveland, Dallas, Grant, Jefferson, Ouachita67 min
Jun 24, 8:19 PM CDTSevere Thunderstorm WarningLZKFaulkner, White41 min
Jun 24, 8:43 PM CDTSpecial Weather StatementLZKLonoke47 min
Jun 24, 9:02 PM CDTSpecial Weather StatementLZKWhite43 min
Jun 24, 9:16 PM CDTSpecial Weather StatementLZKArkansas44 min
Jun 24, 9:29 PM CDTSpecial Weather StatementLZKDrew46 min
Jun 24, 9:55 PM CDTSpecial Weather StatementLZKMonroe50 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2018Every severe thunderstorm warning 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.