Alert archive / Nebraska / Mesoscale Discussions in 2019

Mesoscale Discussion 648

May 17, 2019Logan County, Weld County, Colorado; 4 counties in Nebraska; Laramie County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at May 17, 2019, 12:14 PM MDT for Logan County, Weld County, Colorado; 4 counties in Nebraska; Laramie County, Wyoming. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 17, 2019, 12:14 PM MDT (18:14 UTC)
Expired: May 17, 2019, 2:15 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 60%

Counties Logan County, CO, Weld County, CO, Banner County, NE, Cheyenne County, NE, Kimball County, NE, Scotts Bluff County, NE, Laramie County, WY

The radar

The Cheyenne radar (KCYS), 63 km from the middle of the area, began a volume at 18:13 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 171May 17, 12:55 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 17, 12:54 PM MDT	Severe Thunderstorm Watch	SPC	Logan, Morgan, Phillips, Sedgwick, Washington, Weld	6 hr
May 17, 1:59 PM MDT	Tornado Watch	SPC	Yuma	9 hr
May 17, 4:07 PM MDT	Mesoscale Discussion	SPC	Logan, Morgan, Phillips, Sedgwick, Washington, Weld	113 min
May 17, 4:45 PM MDT	Mesoscale Discussion	SPC	Yuma	2 hr
May 16, 6:57 PM MDT	Severe Thunderstorm Watch	SPC	Burt, Cuming, Dodge, Washington	6 hr
May 16, 7:06 PM MDT	Mesoscale Discussion	SPC	Antelope, Arthur, Blaine, Boone, Brown, Buffalo and 28 more	114 min
May 16, 10:12 PM MDT	Mesoscale Discussion	SPC	Burt, Cuming, Dodge, Washington	2 hr
May 17, 12:55 PM MDT	Mesoscale Discussion	SPC	Arthur, Blaine, Chase, Custer, Dawson, Dundy and 13 more	2 hr
May 17, 3:38 PM MDT	Severe Thunderstorm Watch	SPC	Boyd, Brown, Cherry, Keya Paha, Sheridan	7 hr

Nearby

Mesoscale Discussions in Nebraska, 2019 Mesoscale Discussions in Colorado, 2019 Mesoscale Discussions in Wyoming, 2019 Every mesoscale discussion in 2019

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.