Alert archive / Wyoming / River Flood Warnings in 2009

River Flood Warning 1, NWS Riverton, WY

May 31, 2009Big Horn County, Fremont County, Wyoming

NWS Riverton, WY issued this river flood warning at May 31, 2009, 12:17 PM MDT for Big Horn County, Fremont County, Wyoming. It took effect at May 31, 2009, 12:45 PM MDT. It was in force for 18 days.

The area

The counties it named.

The facts

Issued
May 31, 2009, 12:17 PM MDT (18:17 UTC)
In effect from
May 31, 2009, 12:45 PM MDT
Expired
Jun 18, 2009, 11:50 AM MDT
In force
18 days
Issued by
NWS Riverton, WY
Flood severity
Minor

Counties Big Horn County, WY, Fremont County, WY

The radar

The Riverton/Lander radar (KRIW), 81 km from the middle of the area, began a volume at 18:19 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 river

Written for the forecast point Shoshone River near Lovell (SLOW4). The gauge peaked at 11.08 ft at Jun 18, 2009, 5:00 AM MDT.

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Action stage
10 ft
Minor stage
11 ft
Moderate stage
11.5 ft
Major stage
12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06285100, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

Nearby

River Flood Warnings in Wyoming, 2009Every river flood 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; the gauge from the NWS water service and the USGS.