Alert archive / Arkansas / Wind Advisories in 2014

Wind Advisory 5, NWS Little Rock, AR

October 12, 201417 counties in Arkansas

NWS Little Rock, AR issued this wind advisory at Oct 12, 2014, 2:48 PM CDT for 17 counties in Arkansas. It took effect at Oct 13, 2014, 10:00 AM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Oct 12, 2014, 2:48 PM CDT (19:48 UTC)
In effect from: Oct 13, 2014, 10:00 AM CDT
Expired: Oct 13, 2014, 2:16 PM CDT
In force: 4 hr
Issued by: NWS Little Rock, AR

Counties Arkansas County, AR, Bradley County, AR, Calhoun County, AR, Cleveland County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Grant County, AR, Jackson County, AR, Jefferson County, AR, Lincoln County, AR, Lonoke County, AR, Monroe County, AR, Ouachita County, AR, Prairie County, AR, White County, AR, Woodruff County, AR

The radar

The Little Rock radar (KLZK), 70 km from the middle of the area, began a volume at 19:52 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, 7.8 hours before the alert went out and 185 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: 20 J/kg
Mixed-layer CIN: -178 J/kg
Mixed-layer LCL: 444 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 203 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind advisory 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 wind advisory went out at Oct 12, 6:30 AM CDT, 8 hours 18 minutes earlier.

Area forecast discussion, Oct 12, 6:30 AM CDT, 8 hours 18 minutes before

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Hazardous weather outlook, Oct 12, 5:00 AM CDT, 9 hours 48 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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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
Oct 12, 2:48 AM CDT	Dense Fog Advisory	LZK	Arkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 28 more	6 hr
Oct 12, 2:39 PM CDT	Flash Flood Watch	LZK	Arkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 28 more	26 hr
Oct 12, 2:50 PM CDT	Lake Wind Advisory	LZK	Baxter, Clark, Cleburne, Conway, Faulkner, Fulton and 11 more	23 hr

Nearby

Wind Advisories in Arkansas, 2014 Every wind advisory 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.