Alert archive / Wyoming / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 160, NWS Cheyenne, WY

July 20, 2013Niobrara County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 20, 2013, 3:30 PM MDT for Niobrara County, Wyoming. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 20, 2013, 3:30 PM MDT (21:30 UTC)
Expired
Jul 20, 2013, 4:15 PM MDT
In force
45 min
Issued by
NWS Cheyenne, WY
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Niobrara County, WY

The radar

The Rapid City radar (KUDX), 178 km from the middle of the area, began a volume at 21:33 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 19, 5:15 PM MDT, 22 hours 15 minutes earlier.

Area forecast discussion, Jul 19, 5:15 PM MDT, 22 hours 15 minutes before
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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 19, 6:00 PM MDTSpecial Weather StatementCYSAlbany30 min
Jul 20, 12:27 PM MDTSpecial Weather StatementCYSPlatte48 min
Jul 20, 12:53 PM MDTSpecial Weather StatementCYSPlatte52 min
Jul 20, 1:35 PM MDTSpecial Weather StatementCYSAlbany55 min
Jul 20, 1:45 PM MDTSpecial Weather StatementCYSAlbany60 min
Jul 20, 2:32 PM MDTSpecial Weather StatementCYSAlbany43 min
Jul 20, 2:55 PM MDTSpecial Weather StatementCYSLaramie35 min
Jul 20, 3:02 PM MDTSevere Thunderstorm WarningCYSAlbany, Laramie, Platte43 min
Jul 20, 3:05 PM MDTSpecial Weather StatementCYSAlbany25 min
Jul 20, 3:07 PM MDTSpecial Weather StatementCYSLaramie38 min
Jul 20, 3:14 PM MDTSevere Thunderstorm WarningCYSLaramie46 min
Jul 20, 3:17 PM MDTSevere Thunderstorm WarningCYSLaramie28 min
Jul 20, 3:24 PM MDTSevere Thunderstorm WarningCYSGoshen, Laramie36 min
Jul 20, 3:29 PM MDTSpecial Weather StatementCYSLaramie31 min
Jul 20, 4:03 PM MDTSpecial Weather StatementCYSNiobrara27 min
Jul 20, 4:06 PM MDTSpecial Weather StatementCYS39 min
Jul 20, 4:16 PM MDTSevere Thunderstorm WarningCYSAlbany, Laramie44 min
Jul 20, 4:24 PM MDTAreal Flood AdvisoryCYSGoshen, Laramie3 hr
Jul 20, 4:33 PM MDTSpecial Weather StatementCYSGoshen27 min
Jul 20, 4:46 PM MDTSpecial Weather StatementCYSLaramie29 min
Jul 20, 5:25 PM MDTSevere Thunderstorm WarningCYSNiobrara35 min
Jul 20, 5:50 PM MDTSpecial Weather StatementCYSConverse40 min
Jul 20, 4:40 PM MDTSpecial Weather StatementCYSBanner35 min
Jul 20, 4:54 PM MDTSpecial Weather StatementCYSDawes36 min
Jul 20, 4:59 PM MDTSpecial Weather StatementCYSSioux61 min
Jul 20, 5:09 PM MDTSevere Thunderstorm WarningCYSBox Butte, Sioux51 min
Jul 20, 5:13 PM MDTSevere Thunderstorm WarningCYSDawes, Sioux62 min
Jul 20, 5:19 PM MDTSpecial Weather StatementCYSScotts Bluff41 min
Jul 20, 5:52 PM MDTAreal Flood AdvisoryCYSSioux3 hr
Jul 20, 5:53 PM MDTSevere Thunderstorm WarningCYSDawes37 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2013Every severe thunderstorm warning 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.