Alert archive / Arkansas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 6, NWS Little Rock, AR

March 27, 2014Desha County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Mar 27, 2014, 6:58 PM CDT for Desha County, Arkansas. It was in force for 17 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: Mar 27, 2014, 6:58 PM CDT (23:58 UTC)
Expired: Mar 27, 2014, 7:15 PM CDT
In force: 17 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

County Desha County, AR

The radar

The Little Rock radar (KLZK), 145 km from the middle of the area, began a volume at 00:02 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, 12.0 hours before the alert went out and 163 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 975 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 415 m²/s²
0-3 km storm-relative helicity: 461 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 Mar 27, 6:50 PM CDT, 8 minutes earlier.

Area forecast discussion, Mar 27, 6:50 PM CDT, 8 minutes before

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Hazardous weather outlook, Mar 27, 12:30 PM CDT, 6 hours 28 minutes before

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In the hours before

Special weather statement, Mar 27, 4:16 PM CDT, 2 hours 42 minutes before

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Special weather statement, Mar 27, 4:28 PM CDT, 2 hours 30 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
Mar 27, 5:17 AM CDT	Lake Wind Advisory	LZK	Baxter, Fulton, Izard, Marion, Sharp, Stone	16 hr
Mar 27, 12:11 PM CDT	Special Weather Statement	LZK	Hot Spring, Pulaski, Saline	29 min
Mar 27, 4:16 PM CDT	Special Weather Statement	LZK	Jefferson	44 min
Mar 27, 4:28 PM CDT	Special Weather Statement	LZK	Calhoun, Cleveland	47 min
Mar 27, 4:34 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Dallas, Drew, Lincoln and 1 more	41 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2014 Every severe thunderstorm warning in 2014

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.