December 2015 in the Pacific Northwest

[Snowman5678]

36 and a light mix here. 

[Front Ranger]

Hey. A super marginal setup can still produce lowland snow. Nice to see.

[TT-SEA]

Just got WAY heavier here.   Almost a white out.

[epiceast]

40F in pomeroy with strong SW wind. 34 in Pullman Moscow airport with a moderate S wind. Still 32 in town and snowing heavily though. I'm giving it an hour to switch to rain and ruin a lot of the snowpack. We might get dry slotted or somehow go through the southern sector of the low at 34. I guess time will tell whether this will be an epic storm or a the warning is a bust.

[TT-SEA]

I-90 at Snoqulamie Ridge exit... snowing even harder here.

 

http://s21.postimg.org/yq5l75tif/090vc02567.jpg

[Snowman5678]

I-90 at Snoqulamie Ridge exit... snowing even harder here.

 

http://s21.postimg.org/yq5l75tif/090vc02567.jpg

Heavy precip to my north and south but none here. 

[Snowman5678]

Seems like the vast majority of snow reports and accumulations are from the I-90 area southward. 

[The Swamp]

Logging in to report steady rain and 40 in the swamp.

[luvssnow_spokane]

Logging in to report steady rain and 40 in the swamp.

I knew that earlier reports are too good to be true. Miracles crushed

[MossMan]

Logging in to report steady rain and 40 in the swamp.

PICS????

[Snowman5678]

Friend sent me video of accumulating snow on Tolt Hill road. Also lightly snowing in downtown Carnation...yet 36 and rain here. Precipitation rates man...every time.  

[MikeInEverett]

38 with rain in Snohomish

[MossMan]

This is one of those semi rare cases were the further south you are, the better the chances of seeing snow. Oh well, perhaps we will see something further north around Christmas.

[epiceast]

Rain/snow mix :/

[seattleweatherguy]

Just rain reporting in bothell

[TT-SEA]

Just crazy snow here... visibility is maybe 75 feet.

[Timmy]

Just crazy snow here... visibility is maybe 75 feet.

Do you find it difficult to be so negative the rest of the year with all the snow you get there?

[TT-SEA]

Do you find it difficult to be so negative the rest of the year with all the snow you get there?

I have been positive all year. Like I was negative last spring and summer? Or the year before that?

[The Swamp]

PICS????

Right? Or it didn't happen.

 

Pretty cool some are getting snow. Hope ya'll get buried.

[HighlandExperience]

Sure hope everyone gets to have their snow fix over the next week or so because the ensembles sure look nasty (a.k.a El Nino-y) after the new year.

Just in time to sit under fake cold and inversions

[MossMan]

Looks like the areas receiving snow currently will be back to rain at the lower elevations...

 

AREA FORECAST DISCUSSION...CORRECTED
  NATIONAL WEATHER SERVICE SEATTLE WA
  331 PM PST MON DEC 21 2015
  
  SHORT TERM...
  A STRONG SURFACE LOW WAS MOVING ACROSS THE SOUTHWEST INTERIOR AT
  THIS TIME. WET BULB COOLING EFFECTS CAUSED RAIN TO CHANGE OVER TO
  SNOW OR A RAIN/SNOW MIX ACROSS THE LOWLANDS /MAINLY AT OR ABOVE
  400 FEET/ TODAY. THERE WAS SOME ACCUMULATION WEST OF THE HOOD
  CANAL...BETWEEN SHELTON AND MCCLEARY...AND ON PARTS OF THE EAST
  PUGET SOUND LOWLANDS. THE FLOW WAS BECOMING STRONG ONSHORE...SO
  EXPECT THE SNOW OR RAIN/SNOW MIX TO CHANGE BACK OVER TO RAIN.
  
  THE STRONG ONSHORE FLOW WILL LIKELY LEAD TO A BURST OF GUSTY WINDS
  ACROSS THE SOUTHWEST INTERIOR /MAINLY SOUTH OF OLYMPIA/ LATE
  THIS AFTERNOON. THE WIND ADVISORY WAS EXTENDED UNTIL 6 PM PST DUE
  TO THE LATER ONSET OF THE WESTERLY WINDS.
  
  SNOQUALMIE PASS HAS NOW PICKED UP A FOOT SNOW SO FAR. ANOTHER 4 TO
  7 INCHES OF SNOW IS LIKELY IN THE CASCADES OF KING AND SNOHOMISH
  COUNTIES THROUGH TONIGHT. THE CASCADES OF PIERCE AND LEWIS COUNTIES
  SHOULD SEE ANOTHER 1 TO 2 FEET OF SNOW.
  
  MEANWHILE...WESTERN WA WILL MOSTLY REMAIN ON THE POLEWARD SIDE OF
  THE JET DURING THIS PERIOD. ANTICIPATE A VIGOROUS LOW PRESSURE
  SYSTEM TO BRING ANOTHER ROUND OF HEAVY SNOW TO PARTS OF THE
  CASCADES LATE TUE THROUGH WED NIGHT THUS...A WINTER STORM WATCH
  WAS ISSUED FOR THE CASCADES FROM SNOHOMISH COUNTY SOUTHWARD.
  AMOUNTS COULD BE EXCESSIVE DURING THIS PERIOD OR APPROACHING NEAR
  4 FEET ON MOUNT RAINIER.
  
  A COLD UPPER LEVEL TROF WILL SETTLE OVER THE REGION ON THU BEFORE
  MOVING EASTWARD DURING CHRISTMAS DAY. THIS SYSTEM WILL NOT HAVE
  MUCH MOISTURE TO WORK WITH BUT THERE WILL BE ENOUGH INSTABILITY
  FOR A RISK OF SHOWERS. THE SNOW LEVEL WILL PLUMMET TO NEAR SEA
  LEVEL CHRISTMAS EVE...SO SOME LOWLAND SITES COULD SEE A FEW
  SNOWFLAKES CHRISTMAS EVE OR CHRISTMAS MORNING. AT THIS TIME...NOT
  ANTICIPATING ANY SIGNIFICANT ACCUMULATION. STRONG NORTHERLY FLOW
  WILL DEVELOP CHRISTMAS DAY AND DRY OUT THE AIR MASS FOR A
  CLEARING TREND.
  
  .LONG TERM...
  AN UPPER LEVEL RIDGE WILL PREVAIL OVER THE REGION ON SATURDAY FOR
  DRY AND SUNNIER WEATHER BUT TEMPS WILL BE BELOW NORMAL. EXPECT A
  WEAKENING LOW PRESSURE SYSTEM TO BRING A THREAT OF PRECIP TO THE
  AREA SUNDAY AND MON.
 

[epiceast]

Rain here

[TT-SEA]

My daughter is loving this...

 

[TT-SEA]

[MossMan]

Looks like Snoqualmie Pass is now closed in both directions. And they are going to get blasted again tomorrow night into Wednesday...I think the Cascades are going to survive the upcoming first part of January ridge of death just fine.

[MossMan]

Wonder if Jim has gotten any snow today? The rain has stopped here at work.

[ShawniganLake]

Just crazy snow here... visibility is maybe 75 feet.

Haha, Unless there is blowing and drifting, I think you are exaggerating a little. 

[TT-SEA]

Haha, Unless there is blowing and drifting, I think you are exaggerating a little. 

 

 

Not sure... it was crazy there for awhile.   Flakes are smaller now and visibility is up.  

[HighlandExperience]

Wonder if Jim has gotten any snow today? The rain has stopped here at work.

It was snowing in maple valley today. I'm pretty sure Jim had flakes in the air. This only increases ones appetite.

[TT-SEA]

30.9 here... did not think it would get that cold.   

 

Radar shows precip continuing over King and Pierce counties for another 2-3 hours.

[seattleweatherguy]

30.9 here... did not think it would get that cold.

 

Radar shows precip continuing over King and Pierce counties for another 2-3 hours.

But will it be just rain

[TT-SEA]

But will it be just rain

 

 

I said a foot of snow here and that will be wrong.

 

Probably 3-4 inches now... end up with half my estimate.

[stuffradio]

Environment Canada has highs here in the 40s all week with rain every day through Christmas. Typical PNW Christmas!

[luvssnow_spokane]

But will it be just rain

Yes it will for most. If and when Onshore flow kicks In even places that got snow could become rain.. This is very marginal for us west siders

[TT-SEA]

North Bend got snow as well...

 

http://s9.postimg.org/fy90tfual/nb1.png

[Gradient Keeper]

00z NAM in 45 minutes!

[FroYoBro]

00z NAM in 45 minutes!

Where have you been?

[Snowman5678]

Up to 37 with rain. 

[crf450ish]

Does anyone know where this Low press. system is located as of now? NWS says its still yet to being tracking northeast.....but where the hell is it at now?

[TT-SEA]

Does anyone know where this Low press. system is located as of now? NWS says its still yet to being tracking northeast.....but where the hell is it at now?

 

 

Looks like its close to Walla Walla now.