63° in Portland today, 3.21 inches of rain. A record one day rainfall.
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
157 PM PST WED DEC 9 2015
...HEAVY WET SNOW RETURNS TO LASSEN PARK AND THE NORTHERN SIERRA
NEVADA MOUNTAINS ABOVE 5000 FEET EARLY THURSDAY THROUGH EARLY
FRIDAY...
.A STRONG WINTER STORM IS ON TRACK TO IMPACT LASSEN PARK AND THE
NORTHERN SIERRA NEVADA MOUNTAINS LATE TONIGHT AND CONTINUING INTO
EARLY FRIDAY. THURSDAY WILL BE THE MOST IMPACTFUL DAY WITH
PERIODS OF HEAVY WET SNOW AND STRONG GUSTY WINDS RESULTING IN
TREACHEROUS TRAVEL CONDITIONS ACROSS THE MOUNTAIN PASSES OF THE
NORTHERN SIERRA. SNOWFALL ACCUMULATIONS UP TO 2 FEET NEAR THE
TRANS SIERRA PASSES WITH UP TO 3 FEET AT THE HIGHER ELEVATIONS.
SNOW LEVELS ARE EXPECTED TO LOWER TO AROUND 4000 FEET BY THURSDAY
EVENING WITH SOME LOCALLY LOWER LEVELS DOWN TO AROUND 3000 FEET.
CAZ068-069-101200-
/O.CON.KSTO.WS.W.0008.151210T1200Z-151211T1200Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITIES OF...CHESTER...QUINCY...BLUE CANYON
157 PM PST WED DEC 9 2015
...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM THURSDAY TO
4 AM PST FRIDAY...
* MAIN IMPACT: MAJOR TRAVEL IMPACTS ARE EXPECTED OVER TRANS
SIERRA ROUTES WITH TRAVEL DELAYS AND CHAIN CONTROLS EXPECTED
THURSDAY AND THURSDAY NIGHT.
* CONFIDENCE...HIGH FOR AMOUNTS AND TIMING.
* TIMING...SNOW BEGINS THURSDAY MORNING AND BECOMES HEAVY ACROSS
THE NORTHERN SIERRA PASSES MID MORNING THROUGH THE EVENING
THURSDAY.
* LOCATIONS...INTERSTATE 80 OVER DONNER PASS... HIGHWAY 50 OVER
ECHO SUMMIT... AND HIGHWAY 88 OVER CARSON PASS.
* SNOW ACCUMULATIONS...12 TO 24 INCHES POSSIBLE NEAR THE THE
NORTHERN SIERRA PASSES WITH 6 TO 12 INCHES DOWN TO AROUND THE
5000 FOOT LEVEL. ACCUMULATIONS OF 2 TO 3 INCHES POSSIBLE DOWN
TO 3000 TO 4000 FEET.
* OTHER IMPACTS...HEAVY WET SNOW MAY SNAP POWER LINES AND BREAK
TREE LIMBS RESULTING IN LOCAL POWER OUTAGES. BREEZY TO GUSTY
SOUTH WINDS WILL RESULT IN LOCAL WHITEOUT CONDITIONS OVER THE
SIERRA PASSES AND MAY TOPPLE WEAKENED TREES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED THURSDAY. SIGNIFICANT AMOUNTS OF HEAVY
WET SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY
TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
1119 AM PST TUE DEC 15 2015
CAZ013>019-063-064-066>069-162130-
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
BURNEY BASIN / EASTERN SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY-
CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY-
CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE COUNTY-
CLEAR LAKE/SOUTHERN LAKE COUNTY-
NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-MOTHERLODE-
WESTERN PLUMAS COUNTY/LASSEN PARK-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITIES OF...SHASTA DAM ...BURNEY...REDDING...
RED BLUFF...CHICO...OROVILLE...MARYSVILLE/YUBA CITY ...
SACRAMENTO ...FAIRFIELD/SUISUN ...STOCKTON...MODESTO...
ALDER SPRINGS...LAKEPORT...PARADISE...GRASS VALLEY...JACKSON...
CHESTER...QUINCY...BLUE CANYON
1119 AM PST TUE DEC 15 2015
...EXTENDED WET PATTERN THURSDAY INTO NEXT WEEK WILL IMPACT
HOLIDAY TRAVEL...
.IMPACTS...
*SLICK ROADS DUE TO RAIN AND SNOW
*CHAIN CONTROLS, TRAVEL DELAYS OVER THE MOUNTAINS
*LOCALIZED URBAN AND SMALL STREAM FLOODING POSSIBLE
*POTENTIAL FOR DEBRIS FLOWS OVER RECENTLY BURNED AREAS
.FORECAST CONFIDENCE...
*MEDIUM
.TIMING AND STRENGTH...
*SEVERAL WAVES OF RAIN/SNOW EXPECTED THURSDAY THROUGH CHRISTMAS
DAY. CURRENT MODELS SUGGEST HEAVIEST PRECIPITATION WILL OCCUR
FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON AND LATE SUNDAY
INTO EARLY TUESDAY
*RAIN ESTIMATES THROUGH EARLY TUESDAY: 1-3" IN THE VALLEY, 3-5"
IN THE FOOTHILLS
*SNOW ESTIMATES THROUGH EARLY TUESDAY ABOVE 4500 FT: 4-12",
LOCALLY HIGHER AT LASSEN PEAK
*SNOW LEVELS: 4500-6000 FT
*WINDS WILL BE BREEZY TO GUSTY AT TIMES
.WEATHER SUMMARY...
EXTENDED WET PATTERN WILL IMPACT NORCAL STARTING THURSDAY AND
COULD LAST INTO CHRISTMAS DAY. IMPACTS TO MOUNTAIN TRAVEL WILL BE
EXACERBATED BY A HIGH VOLUME OF HOLIDAY TRAVELERS. THIS EXTENDED
WET PERIOD WILL ENHANCE POTENTIAL FOR LOCALIZED FLOODING AND BURN
SCAR DEBRIS FLOWS.
Any Member is welcome to start whatever topic they like (*).Bad Habit said:It's after the solstice, so will a new thread be started?