Flood Potential Outlook
Issued by NWS Riverton, WY

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FGUS75 KRIW 261628
ESFRIW


Hydrologic Outlook
National Weather Service Riverton WY
1028 AM MDT TUE MAY 26 2015

...Moderate to heavy rain showers possible Thursday night through
early Saturday morning over the Shoshone, Big Horn, and Powder
River Basins...

...Additional flooding is possible along small streams and creeks Friday
morning Sunday afternoon....

Moderate to heavy rain showers are expected to start across north
and north central Wyoming Thursday night through early Saturday
morning.  One two inches rain is possible across drainages
with isolated areas of three inches over orographically
favored watersheds.  At this time, the heaviest rain is expected
over the Shoshone, Big Horn, and Powder River Watersheds.

Rainfall runoff over already saturated soils from recent storms
will allow small creeks and streams and in north and north central
Wyoming to flow at high levels beginning Thursday night and lasting
into Sunday afternoon. Additional flooding will be possible along small
streams and creeks Friday morning through Saturday night.

Snowmelt runoff will be minimal Thursday through Saturday as afternoon
temperatures at the 9000 foot elevation are forecasted to remain in the
middle 40 to lower 50s.

Stay tuned for additional flood outlooks, watches, and warnings as
conditions warrant during this next event.

Graphical forecasts are available at:
http://water.weather.gov/ahps2/index.php?wfo=riw
Visit weather.gov/riverton and select the rivers & lakes tab for
graphical forecasts and additional information.

$$
jtfahey



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