Alert archive / Arkansas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 413, NWS Little Rock, AR

June 9, 2008Independence County, Izard County, Sharp County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jun 9, 2008, 3:52 PM CDT for Independence County, Izard County, Sharp County, Arkansas. It was in force for 38 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 9, 2008, 3:52 PM CDT (20:52 UTC)
Expired: Jun 9, 2008, 4:30 PM CDT
In force: 38 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Independence County, AR, Izard County, AR, Sharp County, AR

The radar

The Little Rock radar (KLZK), 141 km from the middle of the area, began a volume at 20:55 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.

Issued	Product	Office	Lasted
Jun 9, 2:53 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.9 hours before the alert went out and 202 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: 516 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 1253 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: -1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.3

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 Jun 9, 3:23 PM CDT, 29 minutes earlier.

Area forecast discussion, Jun 9, 3:23 PM CDT, 29 minutes before

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Hazardous weather outlook, Jun 9, 1:20 PM CDT, 2 hours 32 minutes before

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In the hours before

Local storm report, Jun 9, 2:50 PM CDT, 1 hour 2 minutes before

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Local storm report, Jun 9, 2:51 PM CDT, 1 hour 1 minute 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
Jun 9, 9:38 AM CDT	River Flood Advisory	LZK	Franklin, Johnson, Logan	23 hr
Jun 9, 2:14 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Pope, Yell	46 min
Jun 9, 3:45 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Van Buren	60 min
Jun 9, 4:04 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Hot Spring, Montgomery, Perry, Pike and 1 more	56 min
Jun 9, 4:22 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Faulkner, Stone	53 min
Jun 9, 4:37 PM CDT	Severe Thunderstorm Warning	LZK	Sharp	23 min
Jun 9, 4:57 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Hot Spring, Pike	48 min
Jun 9, 5:00 PM CDT	Severe Thunderstorm Warning	LZK	Perry, Pulaski, Saline	45 min
Jun 9, 5:15 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Jackson, White	60 min
Jun 9, 6:08 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Hot Spring	52 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2008 Every severe thunderstorm warning in 2008

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.