Alert archive / Colorado / Mesoscale Discussions in 2015

Mesoscale Discussion 1035

June 16, 20155 states

The Storm Prediction Center issued this mesoscale discussion at Jun 16, 2015, 4:53 PM MDT for 5 states. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued: Jun 16, 2015, 4:53 PM MDT (22:53 UTC)
Expired: Jun 16, 2015, 6:30 PM MDT
In force: 97 min
Issued by: the Storm Prediction Center

All 43 counties

Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Larimer County, CO, Logan County, CO, Moffat County, CO, Morgan County, CO, Phillips County, CO, Routt County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE, Custer County, SD, Fall River County, SD, Oglala Lakota County, SD, Pennington County, SD, Daggett County, UT, Albany County, WY, Carbon County, WY, Converse County, WY, Fremont County, WY, Goshen County, WY, Laramie County, WY, Natrona County, WY, Niobrara County, WY, Platte County, WY, Sweetwater County, WY, Weston County, WY

The radar

The Cheyenne radar (KCYS), 149 km from the middle of the area, began a volume at 22:53 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

Riverton, WY (KRIW), launched 12:00Z, 10.9 hours before the alert went out and 234 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: 1048 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 155 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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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 16, 1:12 PM MDT	Mesoscale Discussion	SPC	Logan, Sedgwick	2 hr
Jun 16, 2:44 PM MDT	Severe Thunderstorm Watch	SPC	Adams, Boulder, Cheyenne, Elbert, Gilpin, Grand and 13 more	7 hr
Jun 16, 2:02 PM MDT	Severe Thunderstorm Watch	SPC	Banner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more	7 hr
Jun 16, 3:49 PM MDT	Tornado Watch	SPC	Arthur, Blaine, Brown, Chase, Cherry, Custer and 16 more	7 hr
Jun 15, 7:29 PM MDT	Mesoscale Discussion	SPC	Box Elder, Cache, Davis, Morgan, Rich, Salt Lake and 3 more	91 min
Jun 16, 11:23 AM MDT	Mesoscale Discussion	SPC	Fremont, Hot Springs, Park, Sublette, Teton	2 hr

Nearby

Mesoscale Discussions in Colorado, 2015 Mesoscale Discussions in Wyoming, 2015 Mesoscale Discussions in Nebraska, 2015 Every mesoscale discussion 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.