Alert archive / Utah / Special Weather Statements in 2017

Special Weather Statement, NWS Salt Lake City, UT

August 10, 2017Tooele County, Utah

NWS Salt Lake City, UT issued this special weather statement at Aug 10, 2017, 5:13 PM MDT for Tooele County, Utah. It was in force for 47 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 10, 2017, 5:13 PM MDT (23:13 UTC)
Expired: Aug 10, 2017, 6:00 PM MDT
In force: 47 min
Issued by: NWS Salt Lake City, UT

County Tooele County, UT

The radar

The Salt Lake City radar (KMTX), 129 km from the middle of the area, began a volume at 23:15 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

Elko, NV (KLKN), launched 12:00Z, 11.2 hours before the alert went out and 115 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: 2072 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 164 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 Salt Lake City, UT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 9, 6:01 PM MDT	Special Weather Statement	SLC	Davis, Salt Lake, Utah, Weber	89 min
Aug 9, 6:04 PM MDT	Special Weather Statement	SLC		41 min
Aug 9, 6:45 PM MDT	Special Weather Statement	SLC	Box Elder	45 min
Aug 9, 7:18 PM MDT	Special Weather Statement	SLC	Duchesne, Summit, Wasatch	42 min
Aug 9, 7:59 PM MDT	Special Weather Statement	SLC	Duchesne, Summit, Wasatch	46 min
Aug 9, 8:43 PM MDT	Special Weather Statement	SLC	Carbon	47 min
Aug 9, 8:53 PM MDT	Special Weather Statement	SLC	Duchesne	52 min
Aug 10, 5:28 PM MDT	Special Weather Statement	SLC	Box Elder	47 min

Nearby

Special Weather Statements in Utah, 2017 Every special weather statement in 2017

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.