Alert archive / Wyoming / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 37, NWS Riverton, WY

July 7, 2009Johnson County, Natrona County, Wyoming

NWS Riverton, WY issued this severe thunderstorm warning at Jul 7, 2009, 8:25 PM MDT for Johnson County, Natrona County, Wyoming. It was in force for 50 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 7, 2009, 8:25 PM MDT (02:25 UTC)
Expired
Jul 7, 2009, 9:15 PM MDT
In force
50 min
Issued by
NWS Riverton, WY
Area
Storm-based polygon

Counties Johnson County, WY, Natrona County, WY

The radar

The Riverton/Lander radar (KRIW), 152 km from the middle of the area, began a volume at 02:27 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 office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 8:15 PM MDTSpecial Weather StatementRIWJohnson45 min
Jul 7, 9:12 PM MDTSpecial Weather StatementRIWJohnson48 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2009Every severe thunderstorm warning in 2009

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.