Alert archive / Arkansas / Special Weather Statements in 2021

Special Weather Statement, NWS Little Rock, AR

January 25, 2021Boone County, Arkansas

NWS Little Rock, AR issued this special weather statement at Jan 25, 2021, 9:13 AM CST for Boone County, Arkansas. It was in force for 32 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: Jan 25, 2021, 9:13 AM CST (15:13 UTC)
Expired: Jan 25, 2021, 9:45 AM CST
In force: 32 min
Issued by: NWS Little Rock, AR

County Boone County, AR

The radar

The Western Arkansas radar (KSRX), 122 km from the middle of the area, began a volume at 15:16 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, 3.2 hours before the alert went out and 104 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: 509 m above ground
0-6 km bulk shear: 91 kt
0-1 km storm-relative helicity: 222 m²/s²
0-3 km storm-relative helicity: 638 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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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 Jan 25, 6:04 AM CST, 3 hours 9 minutes earlier.

Area forecast discussion, Jan 25, 6:04 AM CST, 3 hours 9 minutes before

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Hazardous weather outlook, Jan 25, 5:07 AM CST, 4 hours 6 minutes before

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In the hours before

Special weather statement, Jan 25, 8:00 AM CST, 1 hour 13 minutes before

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Special weather statement, Jan 25, 9:13 AM 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
Jan 24, 6:04 PM CST	Special Weather Statement	LZK	Ouachita	26 min
Jan 24, 8:13 PM CST	Special Weather Statement	LZK	Polk	32 min
Jan 25, 3:31 AM CST	Dense Fog Advisory	LZK	Arkansas, Clark, Cleveland, Conway, Dallas, Desha and 14 more	5 hr
Jan 25, 8:00 AM CST	Special Weather Statement	LZK	Polk	30 min
Jan 25, 9:29 AM CST	Special Weather Statement	LZK	Boone	46 min
Jan 25, 11:33 AM CST	Special Weather Statement	LZK	Dallas	27 min
Jan 25, 11:57 AM CST	Special Weather Statement	LZK	Jefferson	33 min

Nearby

Special Weather Statements in Arkansas, 2021 Every special weather statement in 2021

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.