Alert archive / Arkansas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 271, NWS Little Rock, AR

July 11, 2013Garland County, Hot Spring County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 11, 2013, 5:19 PM CDT for Garland County, Hot Spring County, Arkansas. It was in force for 26 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: Jul 11, 2013, 5:19 PM CDT (22:19 UTC)
Expired: Jul 11, 2013, 5:45 PM CDT
In force: 26 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Garland County, AR, Hot Spring County, AR

The radar

The Little Rock radar (KLZK), 84 km from the middle of the area, began a volume at 22:22 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 nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 10.3 hours before the alert went out and 228 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1937 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 867 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 10, 6:30 PM CDT, 22 hours 49 minutes earlier.

Area forecast discussion, Jul 10, 6:30 PM CDT, 22 hours 49 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 7:02 PM CDT	Special Weather Statement	LZK	Jackson	48 min
Jul 10, 7:51 PM CDT	Special Weather Statement	LZK	Logan, Yell	44 min
Jul 10, 8:51 PM CDT	Special Weather Statement	LZK	Clark, Hot Spring	59 min
Jul 10, 9:37 PM CDT	Special Weather Statement	LZK	Dallas	58 min
Jul 10, 10:22 PM CDT	Special Weather Statement	LZK	Clark	58 min
Jul 11, 4:10 AM CDT	Special Weather Statement	LZK	Polk	45 min
Jul 11, 3:47 PM CDT	Special Weather Statement	LZK	Pulaski	28 min
Jul 11, 4:07 PM CDT	Special Weather Statement	LZK	Clark	43 min
Jul 11, 4:49 PM CDT	Special Weather Statement	LZK	Saline	46 min
Jul 11, 4:55 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Hot Spring, Saline	35 min
Jul 11, 5:39 PM CDT	Special Weather Statement	LZK	Hot Spring	31 min
Jul 11, 5:46 PM CDT	Special Weather Statement	LZK	Hot Spring	29 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2013 Every severe thunderstorm warning in 2013

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.