Alert archive / Arkansas / Special Weather Statements in 2014

Special Weather Statement, NWS Little Rock, AR

March 2, 2014Polk County, Arkansas

NWS Little Rock, AR issued this special weather statement at Mar 2, 2014, 12:21 PM CST for Polk County, Arkansas. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 2, 2014, 12:21 PM CST (18:21 UTC)
Expired: Mar 2, 2014, 12:50 PM CST
In force: 29 min
Issued by: NWS Little Rock, AR

County Polk County, AR

The radar

The Western Arkansas radar (KSRX), 95 km from the middle of the area, began a volume at 18:22 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 (KBAD), launched 12:00Z, 6.4 hours before the alert went out and 225 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: 109 J/kg
Mixed-layer CIN: -245 J/kg
Mixed-layer LCL: 685 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 264 m²/s²
0-3 km storm-relative helicity: 218 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 2, 11:52 AM CST, 29 minutes earlier.

Area forecast discussion, Mar 2, 11:52 AM CST, 29 minutes before

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Hazardous weather outlook, Mar 2, 5:00 AM CST, 7 hours 21 minutes before

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In the hours before

Local storm report, Mar 2, 10:51 AM CST, 1 hour 30 minutes before

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Special weather statement, Mar 2, 10:54 AM CST, 1 hour 27 minutes before

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Special weather statement, Mar 2, 12:21 PM CST, 0 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 2, 10:54 AM CST	Special Weather Statement	LZK	Garland	46 min
Mar 2, 11:00 AM CST	Severe Thunderstorm Warning	LZK	Garland, Saline	30 min
Mar 2, 2:57 PM CST	Wind Chill Advisory	LZK	Arkansas, Baxter, Cleburne, Conway, Desha, Faulkner and 18 more	19 hr

Nearby

Special Weather Statements in Arkansas, 2014 Every special weather statement 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.