STORM TRACKER: Isolated t-storms continue, flooding possible

NWS FORECAST -- Thunderstorms will continue through the remainder of the week. Hail, abundant lightning, gusty winds, and heavy rain may be expected with these storms. In some areas, strong showers may lead to flash flooding. Some storms may produce large hail.

>>>Check your 5-Day Storm Tracker forecast

...THUNDERSTORMS WILL PRODUCE HEAVY RAIN OVER PORTIONS OF
SOUTHEAST AND SOUTH CENTRAL WASHINGTON...AND CENTRAL...NORTH
CENTRAL AND NORTHEAST OREGON THROUGH FRIDAY MORNING...

.ABUNDANT MOISTURE AND AN UNSTABLE AIR MASS ASSOCIATED WITH A LOW
PRESSURE SYSTEM ALONG THE EXTREME NORTHERN COAST OF CALIFORNIA
WILL PRODUCE ROUNDS OF THUNDERSTORMS OVER THE REGION THROUGH
FRIDAY MORNING. A VERY MOIST ATMOSPHERE COMBINED WITH THE SLOW
MOVING NATURE OF THE STORMS WILL PRODUCE SOME LOCALLY HEAVY
RAINFALL.

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF OREGON AND WASHINGTON...INCLUDING THE FOLLOWING
  AREAS...IN OREGON...EAST SLOPES OF THE OREGON CASCADES...
  EASTERN COLUMBIA RIVER GORGE OF OREGON...FOOTHILLS OF THE
  NORTHERN BLUE MOUNTAINS OF OREGON...FOOTHILLS OF THE SOUTHERN
  BLUE MOUNTAINS OF OREGON...GRANDE RONDE VALLEY...JOHN DAY
  BASIN...LOWER COLUMBIA BASIN OF OREGON...NORTH CENTRAL
  OREGON...NORTHERN BLUE MOUNTAINS OF OREGON...OCHOCO-JOHN DAY
  HIGHLANDS...SOUTHERN BLUE MOUNTAINS OF OREGON AND WALLOWA
  COUNTY. IN WASHINGTON...EAST SLOPES OF THE WASHINGTON
  CASCADES...EASTERN COLUMBIA RIVER GORGE OF WASHINGTON...
  FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON...KITTITAS
  VALLEY...LOWER COLUMBIA BASIN OF WASHINGTON...NORTHWEST BLUE
  MOUNTAINS OF WASHINGTON...SIMCOE HIGHLANDS AND YAKIMA VALLEY.

* THROUGH FRIDAY MORNING

* THUNDERSTORMS OVER THE PAST COUPLE OF DAYS HAVE PRODUCED HEAVY
  RAIN OVER A SHORT PERIOD OF TIME WITH RUNOFF PRODUCING LOCAL
  FLASH FLOODING AND DEBRIS FLOWS. THUNDERSTORMS WILL CONTINUE
  TO BE SLOW MOVING AND CAPABLE OF PRODUCING HEAVY RAINFALL
  THROUGH FRIDAY MORNING. SOME RAINFALL AMOUNTS COULD REACH 1 TO
  2 INCHES OVER A SHORT PERIOD OF TIME.

* BE PREPARED FOR FLOODING ALONG CREEKS...STREAMS...UNDERPASSES
  AND DRAINAGE DITCHES. DEBRIS FLOWS MAY ALSO OCCUR. SOME OF THE
  THUNDERSTORMS WILL DEVELOP AT NIGHT WHEN IT WILL BE HARDER TO
  RECOGNIZE FLOODING.

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.