Flash Flood Watch:

Issued at: 4:13 am PDT on May 22, 2015, expires at: 9:00 PM PDT on May 22, 2015
  • ...Flash Flood Watch remains in effect through this evening... The Flash Flood Watch continues for
  • portions of central Oregon and northeast Oregon...including the following central Oregon...John Day basin and ochoco-John Day Highlands. In northeast Oregon...Grande Ronde Valley...northern Blue Mountains of Oregon...southern Blue Mountains of Oregon and Wallowa County.
  • Through this evening
  • scattered thunderstorms are expected again today. These thunderstorms will be capable of producing heavy rain over areas that have recently received plenty of rain. Expect rainfall rates of one half to one inch of rain per hour with some storms. This will threaten portions of central and northeast Oregon with flash flooding or debris flows.
  • Expect standing water along roadways where heavy rain from thunderstorms occurs...especially in areas that have poor drainage. The main threat will be debris flows in areas of steep terrain. Sharp rises along river and streams are also possible. Precautionary/preparedness actions... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should flash flood warnings be issued.

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