Alert archive / Arkansas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 305, NWS Little Rock, AR

July 23, 2015Arkansas County, Jefferson County, Lonoke County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 23, 2015, 4:24 PM CDT for Arkansas County, Jefferson County, Lonoke County, Arkansas. It was in force for 36 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 23, 2015, 4:24 PM CDT (21:24 UTC)
Expired: Jul 23, 2015, 5:00 PM CDT
In force: 36 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Arkansas County, AR, Jefferson County, AR, Lonoke County, AR

The radar

The Little Rock radar (KLZK), 66 km from the middle of the area, began a volume at 21:26 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

Little Rock, AR (KBYH), launched 12:00Z, 9.4 hours before the alert went out and 169 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: 915 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 1226 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 120 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 23, 3:10 PM CDT, 1 hour 14 minutes earlier.

Area forecast discussion, Jul 23, 3:10 PM CDT, 1 hour 14 minutes before

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Hazardous weather outlook, Jul 23, 5:00 AM CDT, 11 hours 24 minutes before

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In the hours before

Special weather statement, Jul 23, 1:13 PM CDT, 3 hours 11 minutes before

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Special weather statement, Jul 23, 1:39 PM CDT, 2 hours 45 minutes before

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Special weather statement, Jul 23, 1:45 PM CDT, 2 hours 39 minutes before

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Special weather statement, Jul 23, 2:09 PM CDT, 2 hours 15 minutes before

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Special weather statement, Jul 23, 3:24 PM CDT, 1 hour before

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Special weather statement, Jul 23, 4:18 PM CDT, 6 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 22, 8:42 PM CDT	River Flood Warning	LZK	Jackson, Woodruff	11 days
Jul 22, 10:52 PM CDT	Flash Flood Warning	LZK	Independence, Jackson	3 hr
Jul 23, 3:21 AM CDT	Heat Advisory	LZK	Arkansas, Bradley, Calhoun, Clark, Cleveland, Dallas and 8 more	16 hr
Jul 23, 1:13 PM CDT	Special Weather Statement	LZK	Cleburne	32 min
Jul 23, 1:39 PM CDT	Special Weather Statement	LZK	Prairie	36 min
Jul 23, 1:45 PM CDT	Special Weather Statement	LZK	Independence	45 min
Jul 23, 2:09 PM CDT	Special Weather Statement	LZK	Saline	36 min
Jul 23, 2:50 PM CDT	Heat Advisory	LZK	Arkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 20 more	23 hr
Jul 23, 2:50 PM CDT	Heat Advisory	LZK	Arkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 28 more	6 days
Jul 23, 3:24 PM CDT	Special Weather Statement	LZK	Lonoke	36 min
Jul 23, 4:18 PM CDT	Special Weather Statement	LZK	Jefferson	42 min
Jul 23, 4:25 PM CDT	Special Weather Statement	LZK	White	50 min
Jul 23, 4:53 PM CDT	Special Weather Statement	LZK	Arkansas	52 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2015 Every severe thunderstorm warning in 2015

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.