Flood Potential Outlook
Issued by NWS Riverton, WY

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FGUS75 KRIW 191509
Hydrologic Outlook
National Weather Service Riverton WY
909 AM MDT Mon Mar 19 2018

...Increased snowmelt runoff below 7500 feet expected
Wednesday afternoon through Friday morning...

...Low lying flooding possible over Star Valley Thursday
afternoon through early Saturday morning...

Afternoon basin temperatures are expected to warm into the middle
to upper 40s Wednesday and Thursday across far western
Wyoming. Rainfall up to one half inch is forecasted Thursday
afternoon and evening.

Snow levels are expected to rise to near 8000 feet by Thursday
afternoon--then drop below 7500 feet by Friday afternoon.

Expect noticeable increases in snowmelt runoff below 7500 feet
Wednesday afternoon through Friday morning. Rain on snowmelt
along Star Valley will cause noticeable rises along small
creeks and streams Thursday afternoon through Saturday morning. Minor
flooding is possible along low lying areas.

Residents living along small creeks and streams should be vigilant
for significant rises in water levels Thursday and Friday.
Road crossings along low lying areas may become hazardous due to
rising waters.

Snowmelt runoff is also expected to increase Wednesday afternoon
through Saturday morning across the Greys River Basin to include the
Porcupine Slide area.

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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