Avisos

Flood Advisory issued June 9 at 12:58PM MDT until June 10 at 6:30PM MDT by NWS Billings MTShowers and thunderstorms are expected over the advisory area thisafternoon through tonight. Half an inch to locally an inch ofprecipitation is expected from this activity. This precipitationwill fall on snowpack above 8500 feet, resulting in additionalsnowmelt runoff. With streams and creeks already running high, thisadditional runoff will likely push some over bankfull resulting inflooding. Which streams flood and how impactful the flooding will beis dependent on where the heavier thunderstorms develop and how muchsnowpack is melted by the rainfall.* WHAT...Small stream flooding caused by excessive rainfall andsnowmelt is expected.* WHERE...Portions of central and south central Montana, includingthe following counties, in central Montana, southwesternWheatland. In south central Montana, southwestern Carbon, Park,southwestern Stillwater and Sweet Grass.* WHEN...Until 630 PM MDT Monday.* IMPACTS...Rapid rises on small streams and creeks originating inthe mountains resulting in minor flooding adjacent to waterways.Runoff may flood roadways resulting in restriction to travel andpossible foothills road damage.* ADDITIONAL DETAILS...- At 1230 PM MDT, Streams are already running high with runoff,and thunderstorms are expected this afternoon throughtonight. Rainfall forecast shows half an inch to locally aninch of rainfall is possible with thunderstorms throughtonight. Above 8500 feet this rain will fall on the snowpackresulting in increased snowmelt and extra runoff in additionto the precipitation forecast. This will cause rapid risesand small stream and creek flooding in the advisory area.- Some locations in the flood advisory include...Red Lodge, Clyde Park, Absarokee, Bearcreek, Chico HotSprings, Mc Leod, Springdale, Nye, Pine Creek, Dean, MysticLake, Chico, Alpine, Emigrant, Melville, Fishtail, Jardine,Wilsall and Roscoe.- Campgrounds adjacent to waterways in mountains and foothills.- http://www.weather.gov/safety/floodTurn around, don't drown when encountering flooded roads find analternate route. Roads and driveways may be damaged or washed out inplaces. Be especially cautious at night when it is harder torecognize the dangers of flooding.Stay away or be swept away. Stream banks and culverts can becomeunstable and unsafe.It is important to know where you are relative to streams, rivers,or creeks which can become killers in heavy rains. Campers andhikers should avoid streams or creeks.Please report observed flooding to local emergency officials andrequest they pass the information to the National Weather Service inBillings.

National Weather Service