Alert archive / Utah / Special Weather Statements in 2015

Special Weather Statement, NWS Salt Lake City, UT

July 9, 2015Wasatch County, Utah

NWS Salt Lake City, UT issued this special weather statement at Jul 9, 2015, 1:13 PM MDT for Wasatch 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: Jul 9, 2015, 1:13 PM MDT (19:13 UTC)
Expired: Jul 9, 2015, 2:00 PM MDT
In force: 47 min
Issued by: NWS Salt Lake City, UT

County Wasatch County, UT

The radar

The Salt Lake City radar (KMTX), 166 km from the middle of the area, began a volume at 19:14 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, 7.2 hours before the alert went out and 282 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: 1342 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 105 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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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 Salt Lake City, UT wrote its last area forecast discussion before this special weather statement went out at Jul 9, 12:06 PM MDT, 1 hour 7 minutes earlier.

Area forecast discussion, Jul 9, 12:06 PM MDT, 1 hour 7 minutes before

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Hazardous weather outlook, Jul 9, 4:17 AM MDT, 8 hours 56 minutes before

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In the hours before

Special weather statement, Jul 9, 1:13 PM MDT, 0 minutes before

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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
Jul 8, 6:05 PM MDT	Special Weather Statement	SLC		55 min
Jul 8, 6:11 PM MDT	Severe Thunderstorm Warning	SLC	Box Elder, Tooele	64 min
Jul 8, 7:05 PM MDT	Severe Thunderstorm Warning	SLC	Tooele	55 min
Jul 8, 8:07 PM MDT	Severe Thunderstorm Warning	SLC	Box Elder, Tooele	53 min
Jul 8, 8:33 PM MDT	Severe Thunderstorm Warning	SLC	Tooele, Utah	57 min
Jul 8, 8:57 PM MDT	Special Weather Statement	SLC	Tooele	48 min
Jul 8, 9:30 PM MDT	Flash Flood Warning	SLC	Tooele	3 hr
Jul 8, 10:50 PM MDT	Special Weather Statement	SLC	Davis, Salt Lake	40 min
Jul 8, 10:58 PM MDT	Areal Flood Advisory	SLC	Davis, Salt Lake	62 min
Jul 8, 11:32 PM MDT	Flash Flood Warning	SLC	Davis, Salt Lake	118 min
Jul 9, 12:23 AM MDT	Special Weather Statement	SLC	Cache	67 min
Jul 9, 1:53 PM MDT	Areal Flood Advisory	SLC	Utah, Wasatch	82 min
Jul 9, 2:46 PM MDT	Areal Flood Advisory	SLC	Juab	119 min
Jul 9, 3:23 PM MDT	Areal Flood Advisory	SLC	Tooele	112 min
Jul 9, 3:56 PM MDT	Areal Flood Advisory	SLC	Salt Lake	2 hr
Jul 9, 4:44 PM MDT	Areal Flood Advisory	SLC	Davis	2 hr

Nearby

Special Weather Statements in Utah, 2015 Every special weather statement in 2015

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.