Alert archive / Arkansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 718, NWS Little Rock, AR

July 25, 2011Garland County, Hot Spring County, Saline County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 25, 2011, 3:14 PM CDT for Garland County, Hot Spring County, Saline County, Arkansas. It was in force for 31 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 25, 2011, 3:14 PM CDT (20:14 UTC)
Expired: Jul 25, 2011, 3:45 PM CDT
In force: 31 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Garland County, AR, Hot Spring County, AR, Saline County, AR

The radar

The Little Rock radar (KLZK), 70 km from the middle of the area, began a volume at 20:17 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, 8.2 hours before the alert went out and 239 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: 1897 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 1121 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 183 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 25, 2:52 PM CDT, 22 minutes earlier.

Area forecast discussion, Jul 25, 2:52 PM CDT, 22 minutes before

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Hazardous weather outlook, Jul 25, 5:00 AM CDT, 10 hours 14 minutes before

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In the hours before

Special weather statement, Jul 25, 2:54 PM CDT, 20 minutes before

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Special weather statement, Jul 25, 3:01 PM CDT, 13 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 25, 4:03 AM CDT	Special Weather Statement	LZK	Fulton, Izard	42 min
Jul 25, 2:37 PM CDT	Severe Thunderstorm Warning	LZK	Saline	38 min
Jul 25, 2:54 PM CDT	Special Weather Statement	LZK	Hot Spring	31 min
Jul 25, 3:01 PM CDT	Special Weather Statement	LZK	Dallas	29 min
Jul 25, 3:21 PM CDT	Special Weather Statement	LZK	Lincoln	29 min
Jul 25, 3:23 PM CDT	Special Weather Statement	LZK	Drew	27 min
Jul 25, 3:27 PM CDT	Special Weather Statement	LZK	Dallas	28 min
Jul 25, 3:28 PM CDT	Severe Thunderstorm Warning	LZK	Saline	32 min
Jul 25, 3:30 PM CDT	Special Weather Statement	LZK	Grant	30 min
Jul 25, 3:37 PM CDT	Special Weather Statement	LZK	Drew	28 min
Jul 25, 3:45 PM CDT	Special Weather Statement	LZK	Dallas	30 min
Jul 25, 3:50 PM CDT	Severe Thunderstorm Warning	LZK	Pulaski, Saline	25 min
Jul 25, 3:51 PM CDT	Special Weather Statement	LZK	Saline	29 min
Jul 25, 4:05 PM CDT	Special Weather Statement	LZK	Cleveland	30 min
Jul 25, 4:13 PM CDT	Special Weather Statement	LZK	Grant	32 min
Jul 25, 4:41 PM CDT	Special Weather Statement	LZK	Cleveland	29 min
Jul 25, 4:43 PM CDT	Special Weather Statement	LZK	Drew	27 min
Jul 25, 5:00 PM CDT	Special Weather Statement	LZK	Calhoun	30 min
Jul 25, 5:18 PM CDT	Special Weather Statement	LZK	Drew, Lincoln	42 min
Jul 25, 5:29 PM CDT	Special Weather Statement	LZK	Calhoun	31 min
Jul 25, 5:35 PM CDT	Special Weather Statement	LZK	Desha	45 min
Jul 25, 5:43 PM CDT	Special Weather Statement	LZK	Bradley	32 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2011 Every severe thunderstorm warning in 2011

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.