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February Snowfalls 2/10-2/12, Part III & IV


Geos

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A nice abrupt change of season possible this year. Cold weather we've had will make the first 60 degree day feel that much more enchanting.

 

 

So true.    :)

**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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Good thing the WAA is not orthogonal to the easterlies or we’d be facing a very different situation. The current setup allows the WAA to slide ENE rather than due north. Cold air is able to hold in place longer as a result.

Potentially going to reach Warning criteria in Seattle by a hair. This entire event has definitely been over performing as far as hitting populated areas rather than outlying hills.

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Potentially going to reach Warning criteria in Seattle by a hair. This entire event has definitely been over performing as far as hitting populated areas rather than outlying hills.

Wasn’t expecting things to accumulate on the roads today but rates had other plans.

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SHORT TERM /TODAY THROUGH WEDNESDAY/...A 996mb low center is about
100nm off the north coast this afternoon with 2mb/3hr pressure falls
just off the north coast. There is a warm front over southwest
Washington and that extends out to the occluded front off the coast
that wraps around the north part of the low. Pressure gradients are
easterly but will gradually shift to more southerly overnight and
milder air will work into the area tonight. The areas that keep the
snow the longest or have the least chance to turn over to rain have
winter storm warnings while areas that get a transition to rain that
limits the accumulation have winter weather advisories. The Hood
Canal area--especially for Shelton and Hoodsport might very well
keep the snow going into the night--the wrfgfs shows the area around
the south part of Hood Canal to be one of the snowier areas. Also,
areas north of Seattle have a chance to keep the snow going tonight.
The Seattle metro area should warm up and get slushy after a couple
more inches of snow into the first part of the evening hours and
there have already been spotter reports of rain over on the eastside-
-perhaps because of some downslope warming off the Cascades. It is
entirely possible that some locations with rain see the precip
change over to snow, then back to rain--it will be messy.

The precip will change over to showers Tuesday and scattered showers
will taper off Wednesday. Behind this system we will still have a
low snow level, probably tapering from near sea level up in Whatcom
county to around 1000 feet over Southwest Washington. After a break
Wednesday afternoon through Thursday morning the next frontal system
will arrive. That looks like a low snow level situation that should
not give the metro area any problems, but could be a good snow
producer for the mountains.

**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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What's going on is incredible. 8.5 today 16.5 since yesterday at 3. 19 on ground and 27 for the month. Compacting is slowing the total depth. 29.7 degrees.

Every time I read your post I can hear and feel your excitement !!! Wish we were all their to share in your CRAZY SNOWSTORM !!!!

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Moderate rain here and 33.4.  Sadly, the end has come for SE Auburn.  Picked up a mere 1" before the change over.  This is my absolute LEAST favorite part of a snow event, the cold rain...  Hope others are enjoying up to the North as the snow hangs on, may ur cold air hold tight!!  :D

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Yes - it makes for some interesting weather along 410. You'll get windstorms when no one else gets them, ice storms when the rest of the area is getting snow, and on at least a couple occasions when I have been paying attention, colder outflow from the Green River canyon and snow when everyone else has rain.

Thanks for the response. Moved here a year ago. This climate is much more different than Tumwater. Seems this place doesn't hold cold well. Definitely beautiful in the spring.I figured this would be a little snowier climate compared to south but my assumptions failed.

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44 down here! Warmest since the 3rd.  So happy that if we can't get the snow, you guys up north can! It really sucks whenever everyone warms up!

 

Just like every snow situation it seems, after waiting all winter for it, asking for it, the general public will be ready for spring after this I bet.

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SHORT TERM /TODAY THROUGH WEDNESDAY/...A 996mb low center is about

100nm off the north coast this afternoon with 2mb/3hr pressure falls

just off the north coast. There is a warm front over southwest

Washington and that extends out to the occluded front off the coast

that wraps around the north part of the low. Pressure gradients are

easterly but will gradually shift to more southerly overnight and

milder air will work into the area tonight. The areas that keep the

snow the longest or have the least chance to turn over to rain have

winter storm warnings while areas that get a transition to rain that

limits the accumulation have winter weather advisories. The Hood

Canal area--especially for Shelton and Hoodsport might very well

keep the snow going into the night--the wrfgfs shows the area around

the south part of Hood Canal to be one of the snowier areas. Also,

areas north of Seattle have a chance to keep the snow going tonight.

The Seattle metro area should warm up and get slushy after a couple

more inches of snow into the first part of the evening hours and

there have already been spotter reports of rain over on the eastside-

-perhaps because of some downslope warming off the Cascades. It is

entirely possible that some locations with rain see the precip

change over to snow, then back to rain--it will be messy.

 

The precip will change over to showers Tuesday and scattered showers

will taper off Wednesday. Behind this system we will still have a

low snow level, probably tapering from near sea level up in Whatcom

county to around 1000 feet over Southwest Washington. After a break

Wednesday afternoon through Thursday morning the next frontal system

will arrive. That looks like a low snow level situation that should

not give the metro area any problems, but could be a good snow

producer for the mountains.

Wow! I might not see rain now?...

Elevation 580’ Location a few miles east of I-5 on the Snohomish Co side of the Snohomish/Skagit border. I love snow/cold AND sun/warmth! 

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Just heard it is snowing again in gig harbor. Really surprised

 

Models were pretty adamant that western areas would hold onto air longer with easterly flow. 

 

I didn't want to say anything earlier, but it never looked real good for Jim's area...though he was closer to being in the right spot than people just a bit further south.

A forum for the end of the world.

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