Alert archive / Nebraska / Mesoscale Discussions in 2003

Mesoscale Discussion 1058

May 18, 20038 counties in Nebraska; 6 counties in South Dakota; 8 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at May 18, 2003, 2:02 PM MDT for 8 counties in Nebraska; 6 counties in South Dakota; 8 counties in Wyoming. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued: May 18, 2003, 2:02 PM MDT (20:02 UTC)
Expired: May 18, 2003, 4:00 PM MDT
In force: 118 min
Issued by: the Storm Prediction Center

All 22 counties

Banner County, NE, Box Butte County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sioux County, NE, Bennett County, SD, Custer County, SD, Fall River County, SD, Jackson County, SD, Oglala Lakota County, SD, Pennington County, SD, Albany County, WY, Carbon County, WY, Converse County, WY, Goshen County, WY, Laramie County, WY, Natrona County, WY, Niobrara County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 105 km from the middle of the area, began a volume at 20:02 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 414May 18, 4:25 PM MDT

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
May 18, 2:49 PM MDT	Mesoscale Discussion	SPC	Chase, Deuel, Dundy, Frontier, Hayes, Hitchcock and 4 more	116 min
May 18, 4:25 PM MDT	Severe Thunderstorm Watch	SPC	Arthur, Box Butte, Chase, Cherry, Cheyenne, Dawes and 9 more	7 hr

Nearby

Mesoscale Discussions in Nebraska, 2003 Mesoscale Discussions in Wyoming, 2003 Mesoscale Discussions in South Dakota, 2003 Every mesoscale discussion in 2003

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.