Alert archive / Arkansas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 39, NWS Little Rock, AR

March 27, 20104 counties in Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Mar 27, 2010, 4:43 PM CDT for 4 counties in Arkansas. It was in force for 33 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
Mar 27, 2010, 4:43 PM CDT (21:43 UTC)
Expired
Mar 27, 2010, 5:16 PM CDT
In force
33 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon

Counties Johnson County, AR, Logan County, AR, Pope County, AR, Yell County, AR

The radar

The Western Arkansas radar (KSRX), 87 km from the middle of the area, began a volume at 21:45 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
Mar 27, 4:33 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.7 hours before the alert went out and 180 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 2010-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2010-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 530 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
858 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
530 m²/s²
0-3 km storm-relative helicity
565 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 4:09 PM CDTSevere Thunderstorm WarningLZKLogan, Scott, Yell51 min
Mar 27, 4:10 PM CDTSevere Thunderstorm WarningLZKBoone, Newton50 min
Mar 27, 4:39 PM CDTSevere Thunderstorm WarningLZKBoone, Marion, Newton, Searcy39 min
Mar 27, 4:59 PM CDTSevere Thunderstorm WarningLZKBoone, Marion34 min
Mar 27, 5:04 PM CDTSevere Thunderstorm WarningLZKConway, Logan, Perry, Pope, Yell41 min
Mar 27, 5:36 PM CDTSevere Thunderstorm WarningLZKConway, Perry, Pope, Yell54 min
Mar 27, 5:45 PM CDTSevere Thunderstorm WarningLZKConway, Perry, Pope, Yell45 min
Mar 27, 5:55 PM CDTSevere Thunderstorm WarningLZKBaxter, Fulton, Izard, Marion50 min
Mar 27, 6:06 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry39 min
Mar 27, 6:18 PM CDTSevere Thunderstorm WarningLZKFaulkner, Garland, Perry, Pulaski, Saline57 min
Mar 27, 6:38 PM CDTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Independence, Stone, Van Buren and 1 more37 min
Mar 27, 6:46 PM CDTSevere Thunderstorm WarningLZKFulton, Izard, Sharp44 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2010Every severe thunderstorm warning in 2010

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.