Waarschuwingen

Hydrologic Outlook issued June 2 at 11:28AM PDT by NWS Pendleton ORESFPDTSynopsis: An atmospheric river will bring abundant moisture to theregion with an incoming system beginning this afternoon andcontinuing through Monday. Rainfall amounts of 1 to 2 inches areexpected along the Oregon and Washington Cascade crest and in thehigher mountains of northeast Oregon and southeast Washington. Theseamounts may be increased locally by snow melt from what remains ofthe high mountain snowpack.Where: The East Slopes of the Washington and Oregon Cascades, TheNorthern and Southern Blue Mountains, The Blue Mountain Foothills ofWashington and Oregon, Wallowa County and the Grande Ronde Valley.When: Rain will arrive along the Cascades Sunday afternoon and inthe eastern mountains late Sunday afternoon and evening. Rain willtaper off Monday afternoon and evening.What: The precipitation and possible snow melt will lead to rises onarea creeks, streams and rivers. Rivers are low enough that only theNaches River at Cliffdell and the Naches River at Naches areexpected to reach bankfull Monday and only by a few inches at thoselocations. However, with the heavier periods of rain, rapid riseswill be possible on smaller streams and creeks, especially inWallowa County, and this is the main concern for the next couple ofdays.No further updates to this Hydrologic Outlook are anticipated.

National Weather Service