Alert archive / Nebraska / Mesoscale Discussions in 2013

Mesoscale Discussion 1867

September 9, 201311 counties in Colorado; 14 counties in Nebraska; Laramie County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Sep 9, 2013, 4:09 PM MDT for 11 counties in Colorado; 14 counties in Nebraska; Laramie County, Wyoming. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Sep 9, 2013, 4:09 PM MDT (22:09 UTC)
Expired: Sep 9, 2013, 6:45 PM MDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 5%

All 26 counties

Adams County, CO, Arapahoe County, CO, Denver County, CO, Elbert County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Arthur County, NE, Banner County, NE, Chase County, NE, Cheyenne County, NE, Deuel County, NE, Dundy County, NE, Garden County, NE, Grant County, NE, Hooker County, NE, Keith County, NE, Kimball County, NE, McPherson County, NE, Morrill County, NE, Perkins County, NE, Laramie County, WY

The radar

The Denver radar (KFTG), 142 km from the middle of the area, began a volume at 22:12 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
Sep 8, 6:47 PM MDT	Severe Thunderstorm Watch	SPC	Crook, Weston	6 hr

Nearby

Mesoscale Discussions in Nebraska, 2013 Mesoscale Discussions in Colorado, 2013 Mesoscale Discussions in Wyoming, 2013 Every mesoscale discussion in 2013

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.