Alert archive / Arkansas / Special Weather Statements in 2016

Special Weather Statement, NWS Little Rock, AR

August 9, 2016Perry County, Arkansas

NWS Little Rock, AR issued this special weather statement at Aug 9, 2016, 3:15 PM CDT for Perry County, Arkansas. It was in force for 30 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: Aug 9, 2016, 3:15 PM CDT (20:15 UTC)
Expired: Aug 9, 2016, 3:45 PM CDT
In force: 30 min
Issued by: NWS Little Rock, AR

County Perry County, AR

The radar

The Little Rock radar (KLZK), 54 km from the middle of the area, began a volume at 20:18 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

Springfield, MO (KSGF), launched 12:00Z, 8.3 hours before the alert went out and 240 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: 1032 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 844 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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
Aug 9, 1:11 PM CDT	Special Weather Statement	LZK	Yell	49 min
Aug 9, 1:40 PM CDT	Special Weather Statement	LZK	Yell	50 min
Aug 9, 1:56 PM CDT	Special Weather Statement	LZK	Logan	49 min
Aug 9, 2:14 PM CDT	Special Weather Statement	LZK	Scott	46 min
Aug 9, 2:22 PM CDT	Heat Advisory	LZK	Arkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 28 more	54 hr
Aug 9, 2:27 PM CDT	Special Weather Statement	LZK	Perry	48 min
Aug 9, 2:45 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Perry, Saline	30 min
Aug 9, 5:19 PM CDT	Special Weather Statement	LZK	Pike	41 min
Aug 9, 6:40 PM CDT	Special Weather Statement	LZK	Polk	50 min

Nearby

Special Weather Statements in Arkansas, 2016 Every special weather statement in 2016

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.