Areal Flood Advisory, Flash Flood Watch Statement as of 5:13 PM PDT on May 22, 2015
The National Weather Service in Pendleton has issued a
* Urban and Small Stream Flood Advisory for...
northwestern Grant County in northeastern Oregon...
south central Morrow County in northeastern Oregon...
* until 815 PM PDT
* at 512 PM PDT... Doppler radar indicated heavy rain due to
thunderstorms. This will cause Urban and Small Stream flooding in
the advisory area.
Additional rainfall of one half to one inch is expected over the
area. This additional rain will make minor flooding.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to travel across
flooded roads. Find alternate routes. It takes only a few inches of
swiftly flowing water to carry vehicles away.
Lat... Lon 4482 11966 4483 11968 4499 11967 4500 11968
4505 11922 4470 11918 4465 11966
255 PM PDT Fri may 22 2015
... Flash Flood Watch remains in effect until 9 PM PDT this
The Flash Flood Watch continues for
* portions of central Oregon and northeast Oregon... including
the following areas... in 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.
* Until 9 PM PDT this evening
* showers and thunderstorms are expected again today. These
thunderstorms will be capable of producing heavy rain over areas
that have recently received abundant rainfall. 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
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.