Alert archive / Nebraska / Mesoscale Discussions in 2015

Mesoscale Discussion 1555

July 27, 20154 states

The Storm Prediction Center issued this mesoscale discussion at Jul 27, 2015, 3:57 PM MDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jul 27, 2015, 3:57 PM MDT (21:57 UTC)
Expired: Jul 27, 2015, 6:00 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 40%

All 28 counties

Kit Carson County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Cheyenne County, KS, Arthur County, NE, Banner County, NE, Box Butte County, NE, Chase County, NE, Cheyenne County, NE, Dawes County, NE, Deuel County, NE, Dundy County, NE, Garden County, NE, Grant County, NE, Keith County, NE, Kimball County, NE, Morrill County, NE, Perkins County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sioux County, NE, Goshen County, WY, Laramie County, WY

The radar

The Cheyenne radar (KCYS), 134 km from the middle of the area, began a volume at 21:56 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 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
Jul 27, 1:44 PM MDT	Mesoscale Discussion	SPC	Big Horn, Johnson, Sheridan	2 hr
Jul 27, 2:50 PM MDT	Mesoscale Discussion	SPC	Campbell, Crook, Weston	85 min
Jul 27, 2:58 PM MDT	Severe Thunderstorm Watch	SPC	Campbell, Crook, Sheridan, Weston	7 hr
Jul 27, 3:29 PM MDT	Mesoscale Discussion	SPC	Big Horn, Fremont, Hot Springs, Johnson, Natrona, Washakie	2 hr
Jul 27, 5:32 PM MDT	Mesoscale Discussion	SPC	Crook	118 min

Nearby

Mesoscale Discussions in Nebraska, 2015 Mesoscale Discussions in Colorado, 2015 Mesoscale Discussions in Wyoming, 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; radar from the NEXRAD Level II archive.