Alert archive / Utah / Special Weather Statements in 2020

Special Weather Statement, NWS Salt Lake City, UT

May 2, 2020Cache County, Utah

NWS Salt Lake City, UT issued this special weather statement at May 2, 2020, 5:26 PM MDT for Cache County, Utah. It was in force for 49 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: May 2, 2020, 5:26 PM MDT (23:26 UTC)
Expired: May 2, 2020, 6:15 PM MDT
In force: 49 min
Issued by: NWS Salt Lake City, UT

County Cache County, UT

The radar

The Salt Lake City radar (KMTX), 103 km from the middle of the area, began a volume at 23:27 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, 11.4 hours before the alert went out and 127 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: 1899 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 0 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 Salt Lake City, UT wrote its last area forecast discussion before this special weather statement went out at May 2, 3:45 PM MDT, 1 hour 41 minutes earlier.

Area forecast discussion, May 2, 3:45 PM MDT, 1 hour 41 minutes before

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Hazardous weather outlook, May 2, 4:57 AM MDT, 12 hours 29 minutes before

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
457 AM MDT Sat May 2 2020

UTZ001>016-019>021-517-518-WYZ021-031100-
Cache Valley/Utah Portion-Northern Wasatch Front-
Salt Lake and Tooele Valleys-Southern Wasatch Front-
Great Salt Lake Desert and Mountains-Wasatch Mountain Valleys-
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-Wasatch Plateau/Book Cliffs-
Western Uinta Basin-Castle Country-San Rafael Swell-
Sanpete/Sevier Valleys-West Central Utah-Southwest Utah-
Utahs Dixie and Zion National Park-South Central Utah-
Glen Canyon Recreation Area/Lake Powell-Central Mountains-
Southern Mountains-Southwest Wyoming-
457 AM MDT Sat May 2 2020

This Hazardous Weather Outlook is for the western two thirds of
Utah and southwest Wyoming.

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information
about observed severe weather to the NWS while following all
local, state, and CDC guidelines.

Spotter activation will not be needed.

For more information from NOAA/s National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential road travel impacts visit...
http://www.udottraffic.utah.gov/roadweatherforecast.aspx

In the hours before

Special weather statement, May 2, 2:01 PM MDT, 3 hours 25 minutes before

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Local storm report, May 2, 2:09 PM MDT, 3 hours 17 minutes before

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Special weather statement, May 2, 2:18 PM MDT, 3 hours 8 minutes before

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Special weather statement, May 2, 3:01 PM MDT, 2 hours 25 minutes before

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Special weather statement, May 2, 3:16 PM MDT, 2 hours 10 minutes before

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Special weather statement, May 2, 5:26 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
May 2, 12:46 PM MDT	Special Weather Statement	SLC	Carbon	29 min
May 2, 1:13 PM MDT	Special Weather Statement	SLC	Duchesne	47 min
May 2, 1:35 PM MDT	Severe Thunderstorm Warning	SLC	Duchesne	40 min
May 2, 2:01 PM MDT	Special Weather Statement	SLC	Sanpete	44 min
May 2, 2:18 PM MDT	Special Weather Statement	SLC	Carbon	42 min
May 2, 3:01 PM MDT	Special Weather Statement	SLC	Carbon	29 min
May 2, 3:16 PM MDT	Special Weather Statement	SLC	Box Elder	44 min
May 2, 5:29 PM MDT	Special Weather Statement	SLC	Juab	46 min

Nearby

Special Weather Statements in Utah, 2020 Every special weather statement in 2020

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.