Alert archive / Arkansas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 166, NWS Little Rock, AR

June 7, 2014Perry County, Scott County, Yell County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jun 7, 2014, 4:08 PM CDT for Perry County, Scott County, Yell 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 7, 2014, 4:08 PM CDT (21:08 UTC)
Expired
Jun 7, 2014, 4:45 PM CDT
In force
37 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon

Counties Perry County, AR, Scott County, AR, Yell County, AR

The radar

The Western Arkansas radar (KSRX), 90 km from the middle of the area, began a volume at 21:09 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 7, 2:44 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.1 hours before the alert went out and 220 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, Springfield, MO at 12:00Z on 2014-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1223 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, Springfield, MO at 12:00Z on 2014-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1223 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
926 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.8

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 2:01 PM CDTSpecial Weather StatementLZKFulton, Izard24 min
Jun 7, 2:20 PM CDTSevere Thunderstorm WarningLZKBaxter, Fulton, Izard, Marion, Sharp, Stone40 min
Jun 7, 3:04 PM CDTSevere Thunderstorm WarningLZKJohnson, Logan, Pope, Scott, Yell41 min
Jun 7, 3:08 PM CDTSevere Thunderstorm WarningLZKFulton, Izard, Sharp, Stone52 min
Jun 7, 3:33 PM CDTSevere Thunderstorm WarningLZKLogan, Scott, Yell27 min
Jun 7, 3:55 PM CDTSevere Thunderstorm WarningLZKConway, Perry, Pope, Yell35 min
Jun 7, 4:19 PM CDTSevere Thunderstorm WarningLZKIndependence, Sharp26 min
Jun 7, 4:27 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pope, Pulaski, Saline and 1 more48 min
Jun 7, 4:47 PM CDTSevere Thunderstorm WarningLZKGarland, Montgomery, Perry, Saline, Yell43 min
Jun 7, 4:59 PM CDTSevere Thunderstorm WarningLZKScott, Yell46 min
Jun 7, 5:05 PM CDTSevere Thunderstorm WarningLZKFaulkner, Lonoke, Perry, Pulaski, Saline, White40 min
Jun 7, 5:14 PM CDTSpecial Weather StatementLZKPulaski, Saline31 min
Jun 7, 5:39 PM CDTSevere Thunderstorm WarningLZKFaulkner, Lonoke, Prairie, Pulaski, White51 min
Jun 7, 5:47 PM CDTSpecial Weather StatementLZKPulaski, Saline28 min
Jun 7, 5:53 PM CDTSevere Thunderstorm WarningLZKGarland, Hot Spring, Saline37 min
Jun 7, 6:18 PM CDTSpecial Weather StatementLZKPulaski32 min
Jun 7, 6:28 PM CDTSpecial Weather StatementLZKMonroe, Prairie32 min
Jun 7, 6:30 PM CDTSpecial Weather StatementLZKGrant30 min
Jun 7, 6:38 PM CDTSevere Thunderstorm WarningLZKGarland, Grant, Hot Spring, Saline37 min
Jun 7, 6:51 PM CDTSevere Thunderstorm WarningLZKArkansas, Monroe, Prairie24 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2014Every severe thunderstorm warning in 2014

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.