Alert archive / Arkansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 229, NWS Little Rock, AR

June 24, 2018Montgomery County, Polk County, Scott County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jun 24, 2018, 7:27 AM CDT for Montgomery County, Polk County, Scott County, Arkansas. It was in force for 48 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, 7:27 AM CDT (12:27 UTC)
Expired
Jun 24, 2018, 8:15 AM CDT
In force
48 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Montgomery County, AR, Polk County, AR, Scott County, AR

The radar

The Western Arkansas radar (KSRX), 81 km from the middle of the area, began a volume at 12:27 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, 5:28 AM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 0.5 hours before the alert went out and 240 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 12:00Z on 2018-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1497 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, Shreveport, LA at 12:00Z on 2018-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -54 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
1497 J/kg
Mixed-layer CIN
-207 J/kg
Mixed-layer LCL
663 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-54 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 10:19 PM CDTSpecial Weather StatementLZKPrairie41 min
Jun 24, 12:24 AM CDTSpecial Weather StatementLZKPulaski21 min
Jun 24, 12:40 AM CDTSpecial Weather StatementLZKLonoke35 min
Jun 24, 12:51 AM CDTSevere Thunderstorm WarningLZKFaulkner, Lonoke, Prairie, Pulaski, White24 min
Jun 24, 1:13 AM CDTSevere Thunderstorm WarningLZKLonoke, Pulaski, White32 min
Jun 24, 1:37 AM CDTSpecial Weather StatementLZKPulaski23 min
Jun 24, 1:45 AM CDTSpecial Weather StatementLZKLonoke30 min
Jun 24, 2:02 AM CDTSevere Thunderstorm WarningLZKMonroe, Woodruff28 min
Jun 24, 2:32 AM CDTSpecial Weather StatementLZKWhite28 min
Jun 24, 2:58 AM CDTSpecial Weather StatementLZKVan Buren32 min
Jun 24, 2:59 AM CDTSpecial Weather StatementLZKWhite31 min
Jun 24, 3:27 AM CDTSpecial Weather StatementLZKVan Buren33 min
Jun 24, 4:01 AM CDTSpecial Weather StatementLZKCleburne29 min
Jun 24, 4:06 AM CDTSpecial Weather StatementLZKJackson24 min
Jun 24, 4:36 AM CDTSpecial Weather StatementLZKCleburne, Stone24 min
Jun 24, 5:06 AM CDTSpecial Weather StatementLZKJackson39 min
Jun 24, 5:42 AM CDTSpecial Weather StatementLZKLawrence33 min
Jun 24, 5:53 AM CDTSevere Thunderstorm WarningLZKIndependence, Jackson22 min
Jun 24, 6:25 AM CDTSpecial Weather StatementLZKLawrence20 min
Jun 24, 6:29 AM CDTSevere Thunderstorm WarningLZKJohnson, Logan46 min
Jun 24, 6:37 AM CDTSpecial Weather StatementLZKBoone38 min
Jun 24, 6:57 AM CDTSevere Thunderstorm WarningLZKJohnson, Newton, Pope48 min
Jun 24, 7:09 AM CDTSevere Thunderstorm WarningLZKLogan, Scott, Yell51 min
Jun 24, 7:24 AM CDTSevere Thunderstorm WarningLZKJohnson, Logan, Newton, Pope, Yell51 min
Jun 24, 7:29 AM CDTSevere Thunderstorm WarningLZKBoone, Johnson, Marion, Newton, Pope, Searcy46 min
Jun 24, 7:39 AM CDTSevere Thunderstorm WarningLZKConway, Logan, Pope, Scott, Yell51 min
Jun 24, 7:40 AM CDTSpecial Weather StatementLZKSharp50 min
Jun 24, 7:59 AM CDTSevere Thunderstorm WarningLZKGarland, Montgomery, Perry, Polk, Scott, Yell33 min
Jun 24, 8:05 AM CDTSevere Thunderstorm WarningLZKGarland, Montgomery, Pike, Polk21 min
Jun 24, 8:08 AM CDTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Johnson, Newton, Pope and 4 more52 min
Jun 24, 8:18 AM CDTSpecial Weather StatementLZKSharp42 min
Jun 24, 8:31 AM CDTSpecial Weather StatementLZKGarland, Montgomery, Perry, Saline44 min
Jun 24, 8:46 AM CDTSpecial Weather StatementLZKMarion, Searcy44 min
Jun 24, 8:47 AM CDTSpecial Weather StatementLZKSharp43 min
Jun 24, 8:50 AM CDTSevere Thunderstorm WarningLZKBaxter, Izard, Marion, Searcy, Stone, Van Buren24 min
Jun 24, 8:57 AM CDTSpecial Weather StatementLZKCleburne, Stone, Van Buren48 min
Jun 24, 5:14 PM CDTSpecial Weather StatementLZKPolk, Scott46 min
Jun 24, 5:44 PM CDTSpecial Weather StatementLZKCleburne46 min
Jun 24, 5:50 PM CDTSevere Thunderstorm WarningLZKJohnson, Logan40 min
Jun 24, 6:23 PM CDTSevere Thunderstorm WarningLZKJohnson, Logan, Newton, Pope36 min
Jun 24, 6:25 PM CDTSpecial Weather StatementLZKJackson50 min
Jun 24, 6:31 PM CDTSpecial Weather StatementLZKIndependence44 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.