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MASSIVE STORM 17-24 DEC

(13 posts)
  1. donbrown
    Member

    STORM IS EXPECTED TO DROP 4 TO 16 INCHES OF WATER WHERE IT HITS.

    SNOW LEVELS 8500 FEET DURING THE DAY AND 6000 FEET AT NIGHT.

    http://wxweb.meteostar.com/models/noaaport_loop.php?PATH=/var/www/leads_images/satellite/EP1/IR/&NUMBLOOP=10

    Posted 1 year ago #
  2. donbrown
    Member

    Forecast is saying snow levels may drop ... a 1000 feet or so.

    Posted 1 year ago #
  3. donbrown
    Member

    NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 402 PM PST THU DEC 16 2010 .SYNOPSIS... A SERIES OF PACIFIC STORMS WILL BEGIN MOVING THROUGH THE AREA BY FRIDAY. THESE SYSTEMS WILL CONTINUE BRINGING SIGNIFICANT AMOUNTS OF MOISTURE TO THE AREA THROUGH THE MIDDLE OF NEXT WEEK WITH HEAVY RAIN AND VERY HEAVY HIGHER ELEVATION SNOW EXPECTED AT TIMES. && .DISCUSSION...LOW CLOUDS HAVE BEEN HANGING IN OVER THE CENTRAL AND SOUTHERN SAN JOAQUIN VALLEY BUT SOME LATE AFTERNOON EROSION IS NOW OCCURRING. THIS COULD BE CONSIDERED THE CALM BEFORE THE STORM OR BETTER YET CALM BEFORE THE SERIES OF STORMS. WATER VAPOR IMAGERY SHOWS A DEEP GULF OF ALASKA UPPER LOW STEERING A VERY LONG FETCH OF MOISTURE BETWEEN 30N-40N TOWARDS THE CALIFORNIA COAST. RAIN IS EXPECTED TO REACH THE COAST LATER TONIGHT AND POSSIBLY INTO THE WEST SIDE OF THE SJ VALLEY BEFORE SUNRISE. PRECIP WILL OVERSPREAD THE CENTRAL CALIFORNIA INTERIOR DURING THE DAY AND INCREASE IN INTENSITY FRIDAY NIGHT. THE WET WEATHER WILL CONTINUE SATURDAY WITH ANOTHER HEAVY SURGE OF MOISTURE EXPECTED SATURDAY NIGHT AND SUNDAY. PRECIP ESTIMATES REMAIN HIGH WITH 1 TO 3 INCHES OF RAIN IN THE SJ VALLEY THIS WEEKEND...HEAVIEST ON THE EAST SIDE. URBAN AND SMALL STREAM FLOODING IS LIKELY TO OCCUR AT TIMES...ESPECIALLY IN POOR DRAINAGE AREAS AND FROM THE ABUNDANT LEAF FALL RECENTLY. QPF OF 5-10 INCHES IS EXPECTED IN THE SOUTHERN SIERRA AND FOOTHILLS. HAZARDOUS TRAVEL CONDITIONS WILL DEVELOP WITH A GOOD POTENTIAL FOR ROCK AND MUDSLIDES AS WELL AS RAPID RISES AND FLOODING OF SMALLER CREEKS AND STREAMS. THE SNOW LEVEL WILL FLUCTUATE DURING THE WEEKEND BUT IS MAINLY EXPECTED TO BE IN THE NEIGHBORHOOD OF 7000 TO 8000 FEET. HEAVY SNOW WILL FALL AT TIMES WITH [b]ACCUMULATIONS FROM 5 TO 10 FEET ABOVE 7000 FEET. A WINTER STORMS WARNING HAS BEEN ISSUED FOR THE SOUTHERN SIERRA ABOVE 7000 FEET FROM YOSEMITE NP DOWN TO THE KERN COUNTY LINE FROM 10AM FRIDAY THROUGH 4PM SUNDAY. LOWER QPF IS EXPECTED OVER KERN COUNTY BUT THE MOUNTAINS COULD SEE SEVERAL INCHES OF RAINFALL...WITH THE HEAVIEST PRECIP ARRIVING ON SUNDAY. THE KERN DESERT WILL EXPERIENCE SOME RAIN SHADOWING BUT STILL MAY SEE FROM AROUND A HALF TO ONE INCH OF RAIN. STRONG GUSTY SOUTHWEST TO WEST WINDS COULD DEVELOP ON THE FAR WEST SIDE OF THE SJ VALLEY NEAR THE DIABLO AND TEMBLOR RANGES...ESPECIALLY AROUND AVENAL AND KETTLEMAN. IT LOOKS LIKE A BRIEF LULL IN THE ACTIVITY AROUND MONDAY BUT ANOTHER STRONG WAVE IS EXPECTED TUES-WED WITH MORE HEAVY PRECIP. TOUGH TO PIN DOWN THE DETAILS FOR THAT SYSTEM YET...BUT SEVERAL MORE INCHES OF PRECIP ON ALREADY SATURATED GROUND APPEARS LIKELY.

    Posted 1 year ago #
  4. donbrown
    Member

    Looks like Greenhorn getting washed out.

    Blackrock about a foot

    Sherman about 2 feet

    It is cold enough to dump MUCH snow in the town of MAMMOTH LAKES.

    Cold part is coming Sunday.

    Posted 1 year ago #
  5. donbrown
    Member

    Mammoth AT sat 2pm town 4 feet , ski lodge 6 feet.
    Mammoth expects double the amount by Monday !

    Cold air moving in and levels will drop.

    Moisture is tracking south !!!

    Snow and rain expected to increase in KERN TULARE !!!

    Posted 1 year ago #
  6. donbrown
    Member

    Alta Sierra WASHED OUT !!!

    Blackrock 6 plus feet

    Bald mountain 2 plus feet

    Sherman 6 plus feet

    Beach meadow 5 feet.

    Storm is very warm ... temps never made it below 25F for last 24 hours in all the sensors I checked (about 10)
    This means the snow should be very very heavy if not Sierra Cement.

    Mammoth airport 4 plus feetat 7500 feet
    Town mammoth 6 pluis feet at 7900 feet
    Mammoth lodge / ski chair #1 10 plus feet at 9300 feet.

    Posted 1 year ago #
  7. Justin Allard
    Arctic Cat M7 FTW!

    Thanks for these updates Don, its like having my own personal meteorologist haha! I'm sure others that read the forum appreciate them too.

    Posted 1 year ago #
  8. donbrown
    Member

    Thanks Justin.

    Chances of Snow thru Sunday.

    100 likely 20-21 Dec

    Will be getting alot colder ... definitely below freezing above 8000 feet at night from Tuesday to Sunday,

    Posted 1 year ago #
  9. donbrown
    Member

    Snow level went to at least 7000 feet last night ... Kern, Tulare , Kings, Mammoth , Inyo , Sonora , Arnold , oakhurst, Truckee , Tahoe.

    Most indicators report 1-2 feet at 7000 feet and another 3-5 feet at 8000-10000 feet ! This is ontop of the 6-10 feet from Friday-Saturday.

    Storms likely with 1-2 feet (8000 feet) daily to 23 December WITH small 12 hour windows if any break between storms.

    Temps are expected to drop and stay below freezin (at 8000 feet) from now till 27 December.

    After 27 December prediction models say another BIG storm !!!!

    This is between Sherman to Truckee !!!

    Kern river was above crest in Kernville yesterday ... was in the park !

    Posted 1 year ago #
  10. Mike G
    Member

    Alta Sierra Cam showing a good snow this morning, and Pondo at 3'-4" snowpack. Sherman sensor at 88" and Bonita at 60"...... and more to come!

    Posted 1 year ago #
  11. donbrown
    Member

    Know people tried to ride in Mammoth today using 800cc turbos and were stuck most of the day !

    Posted 1 year ago #
  12. donbrown
    Member

    Snow level to come down to 5000 feet with accumulation at 6000 feet.

    Rain amount expected 3-8 inches thru Thursday. Clear Friday - Saturday and new storm Saturday night.

    Posted 1 year ago #
  13. donbrown
    Member

    2 plus feet at Horse meadow Gate! (Bob from NFS says this via Kernville NFS stattion)

    Sherman Peak has at least 12 feet .... Big Meadow 30 inches.

    They are gonna start plowing Sherman to Horse meadow and expect to be complete by the 27th ... if they don't get more snow.

    Snowing if any in KERN/TULARE to 5000 feet accumulation a few inches UNLESS the storm shift from LA.

    Posted 1 year ago #

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