Alert archive / Arkansas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 101, NWS Little Rock, AR

April 23, 2010Drew County, Lincoln County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 23, 2010, 11:58 PM CDT for Drew County, Lincoln County, Arkansas. It was in force for 47 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: Apr 23, 2010, 11:58 PM CDT (04:58 UTC)
Expired: Apr 24, 2010, 12:45 AM CDT
In force: 47 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Drew County, AR, Lincoln County, AR

The radar

The Little Rock radar (KLZK), 128 km from the middle of the area, began a volume at 04:57 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
Apr 23, 6:51 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 5.0 hours before the alert went out and 201 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: 325 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 463 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 239 m²/s²
0-3 km storm-relative helicity: 179 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.7

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 Apr 23, 6:42 PM CDT, 5 hours 16 minutes earlier.

Area forecast discussion, Apr 23, 6:42 PM CDT, 5 hours 16 minutes before

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Hazardous weather outlook, Apr 23, 11:05 PM CDT, 53 minutes before

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In the hours before

Local storm report, Apr 23, 8:52 PM CDT, 3 hours 6 minutes before

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Special weather statement, Apr 23, 9:50 PM CDT, 2 hours 8 minutes before

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Special weather statement, Apr 23, 10:47 PM CDT, 1 hour 11 minutes before

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Special weather statement, Apr 23, 11:20 PM CDT, 38 minutes before

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Special weather statement, Apr 23, 11:21 PM CDT, 37 minutes before

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Special weather statement, Apr 23, 11:41 PM CDT, 17 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
Apr 23, 7:13 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Pike	32 min
Apr 23, 7:44 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas, Hot Spring, Pike	31 min
Apr 23, 8:01 PM CDT	Tornado Warning	LZK	Clark, Dallas, Pike	29 min
Apr 23, 8:16 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Grant, Hot Spring, Saline	44 min
Apr 23, 8:30 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas, Hot Spring	45 min
Apr 23, 9:02 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Cleveland, Dallas, Grant, Hot Spring, Saline	43 min
Apr 23, 9:43 PM CDT	Severe Thunderstorm Warning	LZK	Dallas, Grant, Jefferson, Pulaski, Saline	32 min
Apr 23, 10:11 PM CDT	Severe Thunderstorm Warning	LZK	Dallas, Grant, Jefferson, Lonoke, Pulaski, Saline	34 min
Apr 23, 10:13 PM CDT	Severe Thunderstorm Warning	LZK	Calhoun, Dallas, Ouachita	47 min
Apr 23, 10:53 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Dallas, Ouachita	34 min
Apr 23, 11:46 PM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Monroe, Prairie	44 min
Apr 23, 11:58 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Pulaski, Saline	32 min
Apr 24, 3:05 AM CDT	Severe Thunderstorm Warning	LZK	Clark, Hot Spring, Montgomery, Pike	40 min
Apr 24, 4:20 AM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Hot Spring, Pike	40 min
Apr 24, 5:00 AM CDT	Severe Thunderstorm Warning	LZK	Faulkner, Perry, Pulaski	30 min
Apr 24, 5:15 AM CDT	Flash Flood Watch	LZK	Arkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 25 more	8 hr
Apr 24, 5:26 AM CDT	Lake Wind Advisory	LZK	Arkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 28 more	15 hr
Apr 24, 6:16 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Desha, Drew	59 min
Apr 24, 6:44 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Jackson, White, Woodruff	46 min
Apr 24, 7:11 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Drew	64 min
Apr 24, 7:46 AM CDT	Tornado Warning	LZK	Desha, Drew	29 min
Apr 24, 8:45 AM CDT	Severe Thunderstorm Warning	LZK	Calhoun, Clark, Cleveland, Dallas, Ouachita	45 min
Apr 24, 8:58 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Cleveland, Drew	47 min
Apr 24, 9:13 AM CDT	River Flood Warning	LZK	Independence, Jackson, Lawrence	5 days
Apr 24, 9:24 AM CDT	Severe Thunderstorm Warning	LZK	Cleveland, Dallas, Grant, Jefferson	36 min
Apr 24, 9:25 AM CDT	Tornado Warning	LZK	Bradley, Cleveland, Drew, Lincoln	40 min
Apr 24, 9:31 AM CDT	Tornado Warning	LZK	Cleveland, Dallas, Grant, Jefferson	44 min
Apr 24, 9:44 AM CDT	Tornado Warning	LZK	Arkansas, Desha, Drew, Jefferson, Lincoln	46 min
Apr 24, 9:47 AM CDT	Tornado Warning	LZK	Cleveland, Jefferson	28 min
Apr 24, 10:02 AM CDT	River Flood Warning	LZK	Jackson, Woodruff	36 days
Apr 24, 10:24 AM CDT	Tornado Warning	LZK	Arkansas, Jefferson, Monroe	14 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2010 Every 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.