Alert archive / Colorado / Mesoscale Discussions in 2018

Mesoscale Discussion 557

May 28, 201813 counties in Colorado; Banner County, Kimball County, Nebraska; 5 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at May 28, 2018, 1:39 PM MDT for 13 counties in Colorado; Banner County, Kimball County, Nebraska; 5 counties in Wyoming. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: May 28, 2018, 1:39 PM MDT (19:39 UTC)
Expired: May 28, 2018, 3:15 PM MDT
In force: 96 min
Issued by: the Storm Prediction Center
Chance of a watch: 80%

Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Jefferson County, CO, Larimer County, CO, Morgan County, CO, Teller County, CO, Weld County, CO, Banner County, NE, Kimball County, NE, Converse County, WY, Goshen County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY

The radar

The Denver radar (KFTG), 56 km from the middle of the area, began a volume at 19:41 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 128May 28, 2:00 PM MDT

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 12:19 PM MDT	Mesoscale Discussion	SPC	Jackson, Routt	86 min
May 28, 12:46 PM MDT	Mesoscale Discussion	SPC	Cheyenne, Kit Carson	59 min
May 28, 1:12 PM MDT	Tornado Watch	SPC	Cheyenne, Kit Carson, Lincoln, Washington, Yuma	8 hr
May 28, 2:01 PM MDT	Severe Thunderstorm Watch	SPC	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Crowley and 13 more	7 hr
May 28, 4:54 PM MDT	Mesoscale Discussion	SPC	Cheyenne, Kit Carson, Washington, Yuma	96 min
May 27, 7:31 PM MDT	Mesoscale Discussion	SPC	Arthur, Box Butte, Chase, Cherry, Dawes, Deuel and 14 more	119 min
May 28, 4:23 AM MDT	Mesoscale Discussion	SPC	Blaine, Brown, Buffalo, Custer, Dawson, Frontier and 11 more	3 hr

Nearby

Mesoscale Discussions in Colorado, 2018 Mesoscale Discussions in Wyoming, 2018 Mesoscale Discussions in Nebraska, 2018 Every mesoscale discussion in 2018

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.