Flood Potential Outlook
Issued by NWS Riverton, WY

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FGUS75 KRIW 191648
Hydrologic Outlook
National Weather Service Riverton WY
1048 AM MDT Fri May 19 2017

...2 to 4 inch increase in snow water equivalents at the
8,500 to 10,000 foot elevation with recent storm...

...Snowmelt runoff increases again Wednesday through Friday
of next week...

The recent storm that pushed through central Wyoming
caused 2 to 4 inch increases in snow water equivalents at the
8,500 to 10,000 foot elevation. Several SNOTEL locations over
the Wind and Upper Green Basins are still at 200 percent of
median/average for this time of the year.

Warmer afternoon temperatures at the 9,000 foot elevation are
expected Wednesday through Friday of next week; with middle 50s
to near 60 forecasted. Morning low temperatures are are expected to
to be near the frost temperature of 37 degrees on Thursday and Friday.
No strong down slope winds are expected Wednesday through

Increased snowmelt runoff is again expected Wednesday through
Friday of next week. Sharp increases in stream and river
levels are a good bet by Friday of next week. It will not take
creeks and river to reach bankfull or higher levels as most
streams and creeks have been flowing at moderate to high levels
for two weeks.

Mountain streams peak during the evening through the early morning
hours. Do not attempt to make any stream crossings during that
time when streams are at their highest.

Graphical forecasts are available at:
Visit weather.gov/riverton and select the rivers & lakes tab for
graphical forecasts and additional information.


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