Alert archive / Utah / Mesoscale Discussions in 2005

Mesoscale Discussion 1219

June 7, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Jun 7, 2005, 8:36 AM MDT for 4 states. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Jun 7, 2005, 8:36 AM MDT (14:36 UTC)
Expired: Jun 7, 2005, 10:00 AM MDT
In force: 84 min
Issued by: the Storm Prediction Center

Counties Moffat County, CO, Bear Lake County, ID, Carbon County, UT, Daggett County, UT, Duchesne County, UT, Rich County, UT, Summit County, UT, Uintah County, UT, Wasatch County, UT, Carbon County, WY, Fremont County, WY, Lincoln County, WY, Sublette County, WY, Sweetwater County, WY, Uinta County, WY

The radar

The Riverton/Lander radar (KRIW), 198 km from the middle of the area, began a volume at 14:36 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, 2.6 hours before the alert went out and 235 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: 5 J/kg
Mixed-layer CIN: -288 J/kg
Mixed-layer LCL: 1318 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 6, 6:18 PM MDT	Mesoscale Discussion	SPC	Baca	87 min
Jun 7, 12:45 PM MDT	Severe Thunderstorm Watch	SPC	Big Horn, Campbell, Converse, Crook, Fremont, Hot Springs and 6 more	7 hr
Jun 7, 2:52 PM MDT	Mesoscale Discussion	SPC	Big Horn, Campbell, Converse, Crook, Fremont, Hot Springs and 7 more	53 min

Nearby

Mesoscale Discussions in Utah, 2005 Mesoscale Discussions in Wyoming, 2005 Mesoscale Discussions in Colorado, 2005 Every mesoscale discussion in 2005

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.