Washington, 2015Debris Flow and Flood in Washington, February 6, 2015
February 6, 2015 · NWS SEW · 2 events in 1 county or zone
Floodwater from the Duckabush River has inundated a number of homes on Kelly Road in Brinnon. At one point, the Duckabush River was five feet higher than normal.
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- $200,000
- Crop damage
- None recorded
- Events
- 2
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Floodwater from the Duckabush River has inundated a number of homes on Kelly Road in Brinnon. At one point, the Duckabush River was five feet higher than normal. Friday afternoon it started to recede.
Highway 101 along Hood Canal has received the brunt of the rainfall over the last 24 hours. A weather station at Green Mountain Elementary School recorded over 4.5 inches of rain near Bremerton in the last two days.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Seattle, WA wrote its last area forecast discussion before the first event at Feb 5, 10:35 PM PST, 1 hour 25 minutes earlier.
Area forecast discussion, Feb 5, 10:35 PM PST, 1 hour 25 minutes before
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE SEATTLE WA
1035 PM PST THU FEB 5 2015
CORRECTED THE SYNOPSIS AND FIRST PARAGRAPH OF THE HYDRO SEGMENT.
.SYNOPSIS...A SERIES OF LOW PRESSURE SYSTEMS WILL KEEP THE WEATHER
PATTERN WET AND UNSETTLED THROUGH THIS WEEKEND. THE AIR MASS WILL
REMAIN MILD...THUS ANTICIPATE TEMPERATURES TO REMAIN ABOVE NORMAL
FOR THIS TIME OF THE YEAR.
&&
.SHORT TERM...
RAIN...LOCALLY HEAVY AT TIMES...WILL CONTINUE THROUGH FRIDAY MORNING
BEFORE TAPERING OFF TO SHOWERS BEHIND A DISSIPATING COLD FRONT. THE
PERIOD OF HEAVIEST RAINFALL WILL BE OVERNIGHT THROUGH ABOUT
MIDMORNING FRI. RAINFALL AMOUNTS IN THE 12-HOUR PERIOD ENDING AT 945
PM PST HAVE BEEN IN THE 1-3 INCH RANGE ON THE OLYMPICS...WITH
LOCALLY UP TO 2 INCHES ON THE NORTH CASCADES. THE HEAVY RAIN HAS
RESULTED IN FLOODING ON THE SKOKOMISH RIVER.
EXPECT A LULL IN THE PRECIP FRI NIGHT...ESPECIALLY OVER THE
SOUTHEAST PART OF THE CWA BETWEEN SYSTEMS. A COUPLE OF FASTER
MOVING SYSTEMS ARRIVE SATURDAY AFTERNOON AND SUNDAY NIGHT BUT
RELATIVELY DRY PERIODS SEPARATE THE WET PERIODS. THE UPSHOT IS
MOST OF THE RAIN DURING THIS FIVE-DAY WET PERIOD WILL FALL DURING
THE FIRST 48 HOURS. THIS IS CAUSING SOME FLOODING CONCERNS AND A
FLOOD WATCH IS NOW IN EFFECT FOR MUCH OF WESTERN WASHINGTON.
IT WILL BE LOCALLY WINDY AT TIMES THROUGH SATURDAY NIGHT. THE
CURRENT FORECAST HAD SPEEDS REMAINING BELOW ADVISORY CRITERIA BUT
CANNOT RULE OUT A FEW LOCATIONS SUCH WHIDBEY ISLAND OCCASIONALLY
REACHING LOW-END ADVISORY CRITERIA FOR BRIEF PERIODS DURING THIS
PERIOD. WESTERN WASHINGTON IS FIRMLY IN THE WARM SECTOR SO HIGH
TEMPERATURES ALL THREE DAYS WILL BE IN THE MID 50S WITH LOWS
45-50. BURKE/05
.LONG TERM FROM THE PREVIOUS DISCUSSION...
THE EURO AND GFS ARE IN REASONABLY GOOD AGREEMENT ABOUT AN UPPER
TROUGH MOVING THROUGH WESTERN WASHINGTON ON MONDAY. THIS WILL TURN
THE WEATHER MORE SHOWERY THOUGH STILL WITH HIGH POPS. BY TUESDAY
SHOWERS SHOULD BE CONFINED MOSTLY TO THE CASCADES. WEDNESDAY AND
THURSDAY IS COMPLETELY DRY IN THE GFS WHICH HAS A STRONG UPPER
RIDGE OVER THE AREA WITH OFFSHORE SURFACE FLOW. HAVE IGNORED A
WEAK SYSTEM BRUSHING THE AREA THURSDAY IN THE EURO. TEMPERATURES
WILL CONTINUE TO BE ABOVE NORMAL. IN FACT THERE COULD BE SOME
HIGHS IN THE 60S ON WEDNESDAY OR THURSDAY IF THE GFS IS CORRECT.
BURKE
&&
.HYDROLOGY FROM THE PREVIOUS DISCUSSION...
THE FORECAST FOR THE SKOKOMISH RIVER AT POTLATCH WAS UPDATED EARLIER
TO INDICATE THAT THE RIVER WILL EXPERIENCE MAJOR FLOODING OR RISE TO
SLIGHTLY OVER 17.5 FEET FRI MORNING. THE RIVER CONTINUED TO RISE AND
WAS AT 17.2 FEET AROUND 930 PM PST. RAINFALL AMOUNTS ON THE OLYMPIC
RANGE WERE IN THE 2.5 TO SLIGHTLY OVER 5 INCH RANGE IN THE 24-HOUR
PERIOD ENDING AT 9:45 PM PST...HENCE THE FLOODING ON THE SKOKOMISH
RIVER.
ANTICIPATE ANOTHER 2 TO 4 INCHES OF RAIN ON THE OLYMPIC RANGE AND
ON THE SOUTHERLY FACING SLOPES OF THE CASCADES IN THE 18-HOUR
PERIOD ENDING AT 4 PM PST FRI. RAINFALL AMOUNTS ARE EXPECTED TO
BE LIGHTER DURING THE 24-HOUR PERIOD ENDING 4 PM PST SATURDAY OR
GENERALLY IN THE 1 TO 2.5 INCH RANGE IN THE MOUNTAINS. THIS
AMOUNT OF RAIN ON TOP OF WHAT HAS ALREADY FALLEN COULD CAUSE
ADDITIONAL RIVERS TO FLOOD.
THE LOCATION OF THE RAINFALL BULLS-EYES SUGGESTS THAT RIVERS
FLOWING OFF THE OLYMPICS AND THE CASCADES OF WHATCOM AND SKAGIT
COUNTIES ARE AT RISK OF MINOR FLOODING. OTHER RIVERS THAT ARE
PRONE TO FLOODING MIGHT ALSO REACH FLOOD STAGE...INCLUDING THE
NISQUALLY...PUYALLUP NEAR ORTING...AND STILLAGUAMISH. A FLOOD
WATCH COVERS THE COUNTIES WITH THOSE RIVERS AND ALSO THE COUNTIES
ON THE OLYMPIC PENINSULA.
RAINFALL RATES SUBSIDE FRIDAY NIGHT AND SATURDAY MORNING BEFORE
ANOTHER WAVE ARRIVES SATURDAY AFTERNOON. THIS WAVE IS FAST MOVING
AND MAY SERVE ONLY TO PROLONG MINOR FLOODING ON ANY RIVER THAT IS
FLOODING BY THAT POINT. NEW RIVER FLOODING SEEMS UNLIKELY. THEN
MODELS SHOW A LONGER LULL IN PRECIPITATION ON SUNDAY THAT LASTS INTO
SUNDAY EVENING. THE WAVE THAT ARRIVES SUNDAY NIGHT IS ALSO FAST
MOVING AND SEEMS UNLIKELY TO CAUSE ANY MORE FLOODING. PRECIPITATION
TURNS MORE SHOWERY MONDAY AND THE FLOOD THREAT SHOULD END. BURKE/05
&&
.AVIATION...A FRONTAL SYSTEM WILL MOVE ONSHORE TONIGHT AND FRIDAY
MORNING WITH SOUTHWEST FLOW ALOFT. THE AIR MASS WILL REMAIN MOIST
AND STABLE THROUGH FRIDAY. THERE WILL BE A MIX OF MID AND LOW CLOUDS
THROUGH FRIDAY WITH OCCASIONAL REDUCED VISIBILITIES IN HEAVIER RAIN.
KSEA...CEILINGS WILL PROBABLY MOSTLY STAY IN THE 4000-6000 FOOT
RANGE BUT LOWER CEILINGS ARE CERTAINLY POSSIBLE AT TIMES. SOUTHERLY
WIND 8-12 KNOTS. SCHNEIDER
&&
.MARINE...A SERIES OF FRONTAL SYSTEMS WILL MOVE THROUGH THE WATERS
OVER THE NEXT FEW DAYS. THE STRONGEST SYSTEM WILL PROBABLY BE
TONIGHT AND FRIDAY MORNING WITH GALES POSSIBLE FOR MOST OF THE
WATERS.
THE WEATHER WILL BECOME MORE TRANQUIL EARLY NEXT WEEK AS WEAK HIGH
PRESSURE MOVES OVER THE AREA. THERE WILL BE 12-15 FOOT SOUTHWEST
SWELL OVER THE COASTAL WATERS THROUGH THE WEEKEND. SCHNEIDER
&&
.SEW WATCHES/WARNINGS/ADVISORIES...
WA...FLOOD WARNINGS/WATCHES ARE IN EFFECT FOR PARTS OF THE CWA.
PZ...GALE WARNINGS ARE IN EFFECT FOR THE COASTAL WATERS...ENTRANCES
TO THE STRAIT OF JUAN DE FUCA...AND NORTHERN INLAND WATERS.
SMALL CRAFT ADVISORIES ARE IN EFFECT FOR THE REMAINING WATERS.
SMALL CRAFT ADVISORY IN EFFECT FOR ROUGH BAR TIL 10 PM FRIDAY
FOR THE GRAYS HARBOR BAR.
&&
WWW.WEATHER.GOV/SEATTLE
YOU CAN SEE AN ILLUSTRATED VERSION OF THIS FORECAST DISCUSSION AT
WWW.WEATHER.GOV/SEATTLE/GAFD/LATEST_WEBAFD.HTMLFlood, Jefferson
- When
- February 6, 12:00 AM PST to 12:00 PM PST
- Where
- Jefferson County, Brinnon to 3 mi S of Brinnon
- Cause
- Heavy Rain
- Property damage
- $50,000
- Reported by
- Newspaper
- Coordinates
- 47.680, -122.900
A National Weather Service spotter reported that 4.43 inches of rain fell in the area between 4 p.m. Thursday and 7:30 a.m. Friday.
Debris Flow, Jefferson
- When
- February 6, 12:00 AM PST to 3:00 AM PST
- Where
- Jefferson County, 2 mi WSW of Brinnon to 3 mi SSW of Brinnon
- Cause
- Heavy Rain
- Property damage
- $150,000
- Reported by
- Newspaper
- Coordinates
- 47.669, -122.940
A mudslide was reported near Shorewood Road and Kelly Road in Brinnon, off Duckabush Road. The slide reportedly blocked the road and damaged five or six homes.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
- Debris Flow
- A fast-moving slurry of mud, rock and debris, usually on a slope soaked by heavy rain or stripped by a fire.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Debris Flow and Flooding in California, February 6 to 9, 2015$124,000 · 61 kt wind · 74 events
- Lake-Effect Snow in New York, February 6, 2015$50,000 · 2 events
- Flood in Idaho, February 6 to 10, 2015$40,000 · 1 event
- Avalanche in Wyoming, February 6, 20151 injured · 1 event
- Debris Flows and Flooding in Washington, February 6 to 9, 2015$3,000 · 7 events
- High Wind in California, February 6 to 9, 201574 kt wind · 6 events
- Wildfire and High Wind in California, February 6 to 12, 201579 kt wind · 5 events
- High Wind in Oregon, February 6 to 7, 2015101 kt wind · 5 events
- Dust Storm and High Wind in California, February 6 to 9, 201552 kt wind · 4 events
- Flooding in Oregon, February 6, 20154 events
- High Wind in Nevada, February 6, 201595 kt wind · 3 events
- Heavy Snow in Idaho, February 6 to 7, 20152 events
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 562613, 562614.