Alert archive / Arkansas / Wind Advisories in 2018

Wind Advisory 6, NWS Little Rock, AR

November 25, 201815 counties in Arkansas

NWS Little Rock, AR issued this wind advisory at Nov 25, 2018, 1:47 AM CST for 15 counties in Arkansas. It took effect at Nov 25, 2018, 12:00 PM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Nov 25, 2018, 1:47 AM CST (07:47 UTC)
In effect from: Nov 25, 2018, 12:00 PM CST
Expired: Nov 25, 2018, 9:00 PM CST
In force: 9 hr
Issued by: NWS Little Rock, AR

Counties Baxter County, AR, Cleburne County, AR, Conway County, AR, Faulkner County, AR, Fulton County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Marion County, AR, Perry County, AR, Randolph County, AR, Sharp County, AR, Stone County, AR, White County, AR

The radar

The Little Rock radar (KLZK), 111 km from the middle of the area, began a volume at 07:48 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 00:00Z, 7.8 hours before the alert went out and 210 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: 2120 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 192 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 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 Nov 24, 11:33 PM CST, 2 hours 14 minutes earlier.

Area forecast discussion, Nov 24, 11:33 PM CST, 2 hours 14 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
Nov 25, 1:47 AM CST	Dense Fog Advisory	LZK	Fulton, Lawrence, Randolph, Sharp	4 hr

Nearby

Wind Advisories in Arkansas, 2018 Every wind advisory in 2018

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.