1 flood, as filed by the National Weather Service.
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.
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 Pendleton, OR wrote its last area forecast discussion before the first event at Dec 31, 8:38 PM PST, 2 hours 22 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PENDLETON OR 838 PM PST SAT DEC 31 2005 .SHORT TERM...A DEEP LOW PRESSURE SYSTEM HAS MOVED INTO IDAHO WITH AN ADDITIONAL WAVE BEHIND THE FRONT BRINGING MODERATE TO HEAVY PRECIPITATION ACROSS SE WASHINGTON AND NE OREGON. DOPPLER RADAR IS SHOWING PRECIPITATION GRADUALLY TAPERING OFF AS THE WAVE TRACKS TO THE NORTHEAST. THERE WILL BE A TEMPORARY RELIEF FROM THE PRECIPITATION AFTER MIDNIGHT BEFORE THE NEXT SYSTEM INVADES THE REGION ON SUNDAY. I HAVE UPDATED THE FORECAST TO INCREASE POPS TO CATEGORICAL ACROSS THE BLUE MOUNTAIN FOOTHILLS AND THE EASTERN MOUNTAINS THIS EVENING AS WELL AS INCREASE WINDS WHERE BREEZY CONDITIONS HAVE BEEN OBSERVED BEHIND THE FRONT. SNOW LEVELS HAVE LOWERED TO NEAR 4000 FEET IN THE BLUES WHICH IS SLIGHTLY LOWER THAN IN THE FORECAST. SNOW WILL TAPER OFF IN THE NORTHERN BLUES LATER THIS EVENING WITH ACCUMULATIONS OF 2-4 INCHES EXPECTED. BIGGEST CONCERN THROUGH THE SHORT TERM WILL BE WATER LEVELS ON MANY OF THE RIVERS AND STREAMS AS DISCUSSED IN THE HYDRO SECTION OF THIS DISCUSSION. SMITH && .HYDROLOGY...FLOOD WATCH IS IN EFFECT FOR THE DESCHUTES RIVER IN WASCO AND SHERMAN COUNTIES THROUGH SUNDAY MORNING. NO OTHER WATCHES OR WARNINGS ARE CURRENTLY IN EFFECT. HOWEVER...RIVERS OVER MOST OF THE FORECAST AREA ARE RUNNING HIGH AND ARE CLOSELY BEING MONITORED. WEATHER SPOTTERS ARE ENCOURAGED TO NOTIFY THE NATIONAL WEATHER SERVICE OR LAW ENFORCEMENT IF SMALLER STREAMS AND RIVERS RISE ABOVE THEIR BANKS OR FLOODING IS OBSERVED. ADDITIONAL RAINFALL ON NEW YEARS DAY WILL CONTINUE TO KEEP WATER LEVELS HIGH. A RELIEF IS IN SIGHT SUNDAY NIGHT AS COOLER AIR SPREADS ACROSS THE REGION WHICH WILL KEEP SNOW MELT RUNOFF TO A MINIMUM. PRECIPITATION AMOUNTS THE REMAINDER OF THE WEEK ARE NOT EXPECTED TO BE SIGNIFICANT. SMITH && .AVIATION...CONDITIONS ARE GRADUALLY IMPROVING AT KALW AND KPDT AS RAINFALL IS TAPERING OFF. LIFR CEILINGS WILL CONTINUE AT KALW THROUGH 08Z. THE REMAINDER OF THE TONIGHT THROUGH SUNDAY MORNING WILL BE TRICKY TO FORECAST AS CLEARING SKIES AND CONSIDERABLE LOW LEVEL MOISTURE WILL LEAD TO FOG DEVELOPMENT. BELIEVE THE LIFR CONDITIONS WILL RETURN TO KPSC AND KYKM AFTER 08Z. A LONG PERIOD OF LIFR CONDITIONS ARE ALSO POSSIBLE AT KALW AND KPDT EARLY SUNDAY MORNING BUT WILL FORECAST PREVAILING MVFR AND TEMPO LIFR. SMITH .PREV DISCUSSION... (ISSUED 250 PM PST SAT DEC 31 2005) SHORT TERM...AN UPPER LEVEL LOW PRESSURE SYSTEM WILL APPROACH THE COAST SUNDAY MORNING AND THEN MOVE NORTH ALONG THE COAST SUNDAY AFTERNOON AND EVENING. A COLD FRONT ASSOCIATED WITH THE LOW WILL PUSH EAST OF THE CASCADES AND ACROSS OUR FORECAST AREA SUNDAY AFTERNOON. THE FRONT WILL BRING A GOOD CHANCE OF VALLEY RAIN AND A HIGH LIKELIHOOD OF MOUNTAIN SNOW SUNDAY AFTERNOON AND EVENING WITH SNOW LEVEL LOWERING TO AROUND 3500-4000 FEET BY SUNDAY AFTERNOON. A COUPLE OF FAST MOVING UPPER LEVEL SHORT WAVES WILL MOVE ACROSS THE REGION ON MONDAY AND MONDAY NIGHT FOR A CHANCE OF VALLEY RAIN AND MOUNTAIN SNOW WITH SNOW LEVEL IN THE BLUE MOUNTAINS AROUND 4000 FEET ON MONDAY AND LOWERING TO AROUND 3000 FEET MONDAY NIGHT. PRESSURE GRADIENTS IN THE GRANDE RONDE VALLEY WILL INCREASE SUNDAY AFTERNOON AND ALLOW WINDS TO PROBABLY INCREASE TO WIND ADVISORY CRITERIA IN THE AFTERNOON...SO WILL PASS ON TO THE EVENING SHIFT THE NEED TO ISSUE A WIND ADVISORY FOR THE GRANDE RONDE VALLEY FOR SUNDAY AFTERNOON THROUGH SUNDAY NIGHT. LONG TERM...TUESDAY THROUGH SATURDAY...UNSETTLED WEATHER WILL CONTINUE ACROSS THE PACIFIC NORTHWEST THROUGH MIDWEEK...AS A SERIES OF SYSTEMS MOVE THROUGH THE REGION. TEMPERATURES WILL REMAIN MILD...WITH VALLEY RAIN AND MOUNTAIN SNOW POSSIBLE. EXTENDED MODELS CONTINUE TO HINT AT A RIDGE BUILDING ACROSS THE PACIFIC NORTHWEST WEDNESDAY NIGHT AND THURSDAY. SINCE THERE IS SOME CONSISTENCY BETWEEN MODEL RUNS AND THE TIMING OF THE RIDGE...HAVE BACKED OFF POPS SOME DURING THESE TIME PERIODS. HOWEVER...THE NEXT SYSTEM WILL MOVE INTO THE REGION LATE THURSDAY AND FRIDAY...FOLLOWED BY ANOTHER ON SATURDAY. && .PRELIMINARY POINT TEMPS/POPS... PDT 36 49 35 41 / 90 60 40 40 ALW 38 47 35 41 / 90 60 50 40 PSC 36 47 33 42 / 90 60 30 40 YKM 31 39 30 41 / 40 60 40 40 HRI 34 47 32 40 / 90 60 30 40 ELN 29 37 26 37 / 40 60 30 40 RDM 28 43 29 42 / 40 60 40 40 LGD 32 41 31 41 / 90 50 40 40 5J0 29 43 29 42 / 60 50 40 40 DLS 37 43 32 44 / 60 60 50 50 && .PDT WATCHES/WARNINGS/ADVISORIES... OR...FLOOD WATCH THROUGH SUNDAY MORNING FOR ORZ041-ORZ042. WA...NONE. && TI:GGG FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT... WWW.WEATHER.GOV/PENDLETON 85/76/76
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
613 PM PST SAT DEC 31 2005
WAZ024-501-502-026>030-ORZ041>044-049-050-501>506-011315-
EAST SLOPES OF THE CENTRAL CASCADES-
EAST SLOPES OF THE SOUTHERN CASCADES-KITTITAS VALLEY-
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
NORTHWEST BLUE MOUNTAINS-EASTERN COLUMBIA RIVER GORGE OF OREGON-
NORTH CENTRAL OREGON-CENTRAL OREGON-
LOWER COLUMBIA BASIN OF OREGON-GRANDE RONDE VALLEY-WALLOWA COUNTY-
FOOTHILLS OF THE BLUE MOUNTAINS OF OREGON-
NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-
NORTHERN WHEELER AND SOUTHERN GILLIAM COUNTIES-JOHN DAY BASIN-
OCHOCO-JOHN DAY HIGHLANDS-
613 PM PST SAT DEC 31 2005
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
.DAY ONE...TONIGHT
FLOODING
EASTERN COLUMBIA RIVER GORGE OF OREGON, NORTH CENTRAL OREGON
RECENT RAINFALL AND SNOW MELT RUNOFF HAVE CAUSED SIGNIFICANT RISES
ON MANY RIVERS AND STREAMS ACROSS WASHINGTON AND OREGON. THE
DESCHUTES RIVER NEAR MOODY IS RUNNING JUST UNDER FLOOD STAGE. A
FLOOD WATCH IS IN EFFECT FOR THE DESCHUTES RIVER IN WASCO AND
SHERMAN COUNTY THROUGH SUNDAY MORNING. PLEASE REFER TO THE LATEST
FLOOD WATCH PDXFFAPDT WWUS66 KPDT FOR DETAILS.
.DAYS TWO THROUGH SEVEN...NEW YEARS DAY THROUGH FRIDAY
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
UNSETTLED WEATHER WILL CONTINUE THROUGH MUCH OF NEXT WEEK...AS
A SERIES OF MOIST PACIFIC STORM SYSTEMS CROSS THE REGION.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT FOR WASCO AND SHERMAN
COUNTIES.
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
GRAPHICAL FORECASTS OF WEATHER HAZARDS OUT TO SEVEN DAYS
ARE DISPLAYED ON THE WORLD WIDE WEB AT:
WWW.WRH.NOAA.GOV/PENDLETON/CURRENTHAZARDS/HWO.HTML
ALL LETTERS IN THE ABOVE URL ARE LOWER CASE...EXCEPT THE H IN
CURRENTHAZARDS.PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PENDLETON OR
1006 PM PST SAT DEC 31 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1003 PM FLOOD 2 S WARM SPRINGS 44.74N 121.29W
12/31/2005 JEFFERSON OR TRAINED SPOTTER
0.70 INCHES OF RAINFALL RECEIVED SINCE FRIDAY EVENING.
SMALL STREAM FLOODING OBSERVED SATURDAY AFTERNOON.
&&
JAS1 flood. Local standard time, as filed.
Deschutes River at Moody rose to 8.11 feet. Flood stage is 8.00 feet. The river receded to below flood stage on 1/1/06 at 0700.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 2005Every state in 2005This day in weather historyWarnings in Oregon, December 2005
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: 5482943.