Alert archive / Wyoming / Special Weather Statements in 2014

Special Weather Statement, NWS Riverton, WY

August 25, 2014Lincoln County, Wyoming

NWS Riverton, WY issued this special weather statement at Aug 25, 2014, 4:21 PM MDT for Lincoln County, Wyoming. It was in force for 24 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 25, 2014, 4:21 PM MDT (22:21 UTC)
Expired: Aug 25, 2014, 4:45 PM MDT
In force: 24 min
Issued by: NWS Riverton, WY

County Lincoln County, WY

The radar

The Salt Lake City radar (KMTX), 174 km from the middle of the area, began a volume at 22:23 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

Salt Lake City I, UT (KSLC), launched 12:00Z, 10.4 hours before the alert went out and 178 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: 24 J/kg
Mixed-layer CIN: -353 J/kg
Mixed-layer LCL: 2000 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

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The office that day

Everything else NWS Riverton, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 25, 4:35 PM MDT	Special Weather Statement	RIW	Uinta	25 min
Aug 25, 4:41 PM MDT	Special Weather Statement	RIW	Lincoln	49 min
Aug 25, 4:52 PM MDT	Special Weather Statement	RIW		38 min
Aug 25, 5:01 PM MDT	Special Weather Statement	RIW		44 min
Aug 25, 5:21 PM MDT	Special Weather Statement	RIW	Sweetwater	39 min
Aug 25, 5:31 PM MDT	Special Weather Statement	RIW	Sweetwater	29 min
Aug 25, 5:53 PM MDT	Special Weather Statement	RIW	Sweetwater	52 min

Nearby

Special Weather Statements in Wyoming, 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.