January 2024 Weather in the PNW (Part II)

[Chewbacca Defense]

I’m guessing 3.2 is where we are going to bottom out IMBY, sun should be peeking over the ridge to my east soon.

[BLI snowman]

13 minutes ago, Doinko said:

Mark Nelsen said the arctic front is travelling faster than expected. When was the last time that's happened? I thought it was usually the opposite

Yeah, I think even PDX will see a bit of a surface arctic boundary from the NW before they get the gorge outflow. That's a hallmark of our bigger blasts. Arctic air made it from BC to here in less than 24 hours. 

Edited January 12 by BLI snowman

[MR.SNOWMIZER]

There will be some massive winter kill with this in the northern Cascades.

[Dave]

31 minutes ago, SilverFallsAndrew said:

GFS with astonishingly cold lows in the willamette valley on Tuesday morning. Single digits for many areas, even 10 at Eugene with no sleet/snow cover. 

I wonder how ice cover compares to snow cover in it's ability to chill the low level atmosphere.

[Frontal Snowsquall]

7 minutes ago, TigerWoodsLibido said:

Arctic boundary is almost to Cascade Locks. Very close to the Bridge of the Gods.

 

7 minutes ago, Timmy said:

Looks like some light snow along the front in Longview and rainier

Nice, here we go!

[Rubus Leucodermis]

Just now, Dave said:

I wonder how ice cover compares to snow cover in it's ability to chill the low level atmosphere.

It doesn’t. Lacks the air that makes snow a good insulator.

[FroYoBro]

Sitting at 37 degrees with no wind here. Just waiting for that sweet gorge air. 

[TT-SEA]

12Z GEM doesn't quite get there on Wednesday... the trough doesn't dig as much and that brings up warmer air into western WA.   This run looks great for SW BC though.  

[Mid Valley Duck]

22 minutes ago, Timmy said:

Gem shows a crippling ice storm for pdx too. 

GEM op struggles with the Gorge. Hi Res GEM dumps on the metro

[Timmy]

Just now, Mid Valley Duck said:

GEM op struggles with the Gorge. Hi Res GEM dumps on the metro

I was talking about Tuesday night. Love this map tho!

[Doinko]

1 minute ago, Mid Valley Duck said:

GEM op struggles with the Gorge. Hi Res GEM dumps on the metro

Wow, that looks pretty fantastic for here. 6-10"

[umadbro]

The drop is on.

[SnowWillarrive]

3 minutes ago, TT-SEA said:

12Z GEM doesn't quite get there on Wednesday... the trough doesn't dig as much and that brings up warmer air into western WA.   This run looks great for SW BC though.  

I hate it when we transition like that out of a cold spell. No fun. 

[FroYoBro]

2 minutes ago, Mid Valley Duck said:

GEM op struggles with the Gorge. Hi Res GEM dumps on the metro

I could easily be getting mostly sleet out of this in Tigard. I really hope that cold layer is just thick enough to give me some decent snow before annoying ice stuff. It should be close here. 

[Frontal Snowsquall]

3 minutes ago, Mid Valley Duck said:

GEM op struggles with the Gorge. Hi Res GEM dumps on the metro

12z HRDPS says Scappoose is the big winner in PDX Metro. In the end I feel the Canadian mesoscale models will prove to be the most accurate. I’m still thinking it’s being too aggressive with the warm tongue so I’d add more snow to these totals. Especially south and east Metro. There will be an area in Metro that will see over a foot. I’m certain of that.

[Phishy Wx]

000
NOUS46 KOTX 121352
PNSOTX
IDZ001>004-026-027-WAZ031>038-041-043-044-047>049-130152-

Public Information Statement
National Weather Service Spokane WA
552 AM PST Fri Jan 12 2024

...MINIMUM WIND CHILL REPORTS SO FAR TODAY...

Location                     WC Temp.  Time/Date       Elevation (ft.)

...Idaho...

...Bonner County...
Sandpoint                    -39 F     0525 AM 01/12   2050
Sandpoint Airport            -29 F     0430 AM 01/12   2137
11.9 NE Clark Fork (SNOTEL)  -25 F     1200 AM 01/12   5399
Sagle                        -25 F     0445 AM 01/12   2073
Spirit Lake                  -22 F     0400 AM 01/12   2395

...Boundary County...
Boundary County Airport      -28 F     0335 AM 01/12   2324
Bonners Ferry                -26 F     0508 AM 01/12   2319

...Kootenai County...
Athol                        -33 F     0540 AM 01/12   2454
Rathdrum Prairie             -27 F     0400 AM 01/12   2299
Silverwood WWTP Athol        -26 F     0400 AM 01/12   2329
Post Falls                   -23 F     0540 AM 01/12   7178
Coeur dAlene                 -20 F     0540 AM 01/12   2260
Rathdrum                     -18 F     0500 AM 01/12   2227

...Washington...

...Adams County...
7 NW Ritzville               -15 F     0520 AM 01/12   1944

...Chelan County...
Washington Pass Upper        -37 F     0200 AM 01/12   6680
3 NE Chelan                  -32 F     0535 AM 01/12   3081

...Douglas County...
Mansfield                    -39 F     0440 AM 01/12   2297
Waterville North             -35 F     0400 AM 01/12   3102
Douglas                      -32 F     0348 AM 01/12   2529
Wenatchee Airport            -14 F     0355 AM 01/12   1244
Orondo                       -11 F     0315 AM 01/12   889

...Ferry County...
14.5 SE Malo (WA DOT)        -44 F     0529 AM 01/12   5560
Curlew South                 -25 F     0345 AM 01/12   1879

...Grant County...
Hartline                     -25 F     0405 AM 01/12   1890
Ephrata                      -22 F     0415 AM 01/12   1091
Ephrata Airport              -22 F     0453 AM 01/12   1260
Quincy                       -20 F     0435 AM 01/12   1227
Grant County Airport         -18 F     0352 AM 01/12   1164
Moses Lake                   -18 F     0435 AM 01/12   1214

...Lincoln County...
Almira                       -29 F     0245 AM 01/12   2650
Odessa                       -22 F     0515 AM 01/12   1777
Davenport                    -14 F     0230 AM 01/12   2468

...Okanogan County...
Aeneas                       -56 F     0409 AM 01/12   5185
First Butte                  -46 F     0336 AM 01/12   5508
Kramer                       -43 F     0508 AM 01/12   2720
Leecher                      -40 F     0425 AM 01/12   4991
2.1 E Wauconda (WA DOT)      -40 F     0456 AM 01/12   4307
Tonasket                     -36 F     0425 AM 01/12   3421
3.0 E Chesaw (SNOTEL)        -33 F     0400 AM 01/12   5359
Omak                         -32 F     0453 AM 01/12   1304
Peony                        -32 F     0506 AM 01/12   3804
Spectacle Lake               -31 F     0147 AM 01/12   1825
Riverside                    -31 F     0209 AM 01/12   4501
Lost Lake                    -30 F     0436 AM 01/12   3875
Methow Valley                -29 F     0515 AM 01/12   1706
Oroville                     -27 F     0241 AM 01/12   1450
Twisp                        -26 F     0215 AM 01/12   2434
Brewster                     -26 F     0400 AM 01/12   1459
Nespelem                     -24 F     0357 AM 01/12   1899
Winthrop                     -24 F     0405 AM 01/12   1991
Arrowhead                    -23 F     0245 AM 01/12   1143
Mazama                       -15 F     0500 AM 01/12   2169

...Spokane County...
Spokane                      -19 F     0455 AM 01/12   2397
Liberty Lake                 -18 F     0445 AM 01/12   2145
Deer Park                    -18 F     0445 AM 01/12   2162
Fairchild AFB                -18 F     0525 AM 01/12   2473
Colbert                      -17 F     0525 AM 01/12   2004
Spokane Valley               -11 F     0415 AM 01/12   2076
Spokane Intl Airport         -11 F     0453 AM 01/12   2369
Spokane Felts Field          -10 F     0353 AM 01/12   1951

...Stevens County...
Colville                     -20 F     0530 AM 01/12   1873
Addy                         -17 F     0430 AM 01/12   1706

[iFred]

When Tim is posting Gem snow maps, you know it isnt good.

[GobBluth]

Sneaky problem around town is going to be a lot of wet pavement as things get down to freezing, even during a "dry" day.

[MR.SNOWMIZER]

Are there any examples of having top tier cold like this around the sound and not having any snowfall to speak of?

I find it hard to believe we transition from this cold of air without some sort of snow storm.

[iFred]

Just now, MR.SNOWMIZER said:

Are there any examples of having top tier cold like this around the sound and not having any snowfall to speak of?

I find it hard to believe we transition from this cold of air without some sort of snow storm.

December 2009

[TacomaWx]

Just now, iFred said:

December 2009

lol bad analog I’ve already had more snowfall than that one! 

[Frontal Snowsquall]

2 minutes ago, GobBluth said:

Sneaky problem around town is going to be a lot of wet pavement as things get down to freezing, even during a "dry" day.

Gonna be a flash freeze! 

[Mid Valley Duck]

3 minutes ago, Frontal Snowsquall said:

12z HRDPS says Scappoose is the big winner in PDX Metro. In the end I feel the Canadian mesoscale models will prove to be the most accurate. I’m still thinking it’s being too aggressive with the warm tongue so I’d add more snow to these totals. Especially south and east Metro. There will be an area in Metro that will see over a foot. I’m certain of that.

I think some of the models are overdoing the sleet maps. The warm layer is pretty thin around the 850mb level and in the 33/34 degree range. The models might be overdoing the WAA associated with this anyway

[Rubus Leucodermis]

33 minutes ago, Deweydog said:

The Okanogan Valley is rock solid this morning. This thing is a full notch colder than 12/21 up there.

It’s a notch colder here, too. Impressive, given how little snow there is.

[Brian_in_Leavenworth]

16 minutes ago, Dave said:

Chiefs vs Dolphins on Saturday evening. High of 5 for the day (probably about 0 for game time).  -25 wind chill.

Steelers-Bills game Sunday will be near blizzard conditions, according to FFWeatherGuys

We have an Extreme Weather event shaping up for Sunday's Steelers @ Bills 1pm game. 

Near 30mph sustained winds with moderate-heavy snow will result in near-blizzard conditions for the duration of the game. 

You don't see #NFL    playoffs games in blizzards often.

[Rubus Leucodermis]

2 minutes ago, TacomaWx said:

lol bad analog I’ve already had more snowfall than that one! 

In PDX, the 2009 blast was followed by a prolonged cold inversion, and the return to onshore conditions from that involved a surprise snowfall.

[ShawniganLake]

Puntzi mountain BC is down to -55F. Cold spot in all of Canada now.  Perhaps North America, not sure if anywhere in Montana is colder. 

[SilverFallsAndrew]

1 minute ago, Timmy said:

wind just switched in scappoose. It’s happening 

Yesssssss!!!!!

[Rubus Leucodermis]

Sun hitting The Lions on an arctic morning.

[SilverFallsAndrew]

4 minutes ago, Mid Valley Duck said:

I think some of the models are overdoing the sleet maps. The warm layer is pretty thin around the 850mb level and in the 33/34 degree range. The models might be overdoing the WAA associated with this anyway

This 

[Anti Marine Layer]

Waiting for pictures as we approach 400 pages.

[TT-SEA]

2 minutes ago, Brian_in_Leavenworth said:

Steelers-Bills game Sunday will be near blizzard conditions, according to FFWeatherGuys

We have an Extreme Weather event shaping up for Sunday's Steelers @ Bills 1pm game. 

Near 30mph sustained winds with moderate-heavy snow will result in near-blizzard conditions for the duration of the game. 

You don't see #NFL    playoffs games in blizzards often.

Can't wait.   Lake effect?   Hope the bands set up right over stadium.   

[SilverFallsAndrew]

1 minute ago, Rubus Leucodermis said:

Sun hitting The Lions on an arctic morning.

Very beautiful 

[Anti Marine Layer]

@DareDuck should get a lot of snow.

[runninthruda206]

How’s Tuesday looking for Seattle? 

[Frontal Snowsquall]

5 minutes ago, MR.SNOWMIZER said:

Are there any examples of having top tier cold like this around the sound and not having any snowfall to speak of?

I find it hard to believe we transition from this cold of air without some sort of snow storm.

Last nights GraphCast had some snow reach Puget Sound tomorrow. Precipitation usually makes it further north than modeled. I think you have a good chance getting some snow, especially southern Sound areas. 

[TT-SEA]

10 minutes ago, iFred said:

When Tim is posting Gem snow maps, you know it isnt good.

I posted a very snowy GEM last night while you were the meet up!   We need all the models for these complicated scenarios. 

[Rubus Leucodermis]

Just now, SilverFallsAndrew said:

Very beautiful 

My fingers went numb and I almost dropped my phone taking it!

This sort of cold is fun to experience every once in a while but I am glad it is no longer a routine thing for me.

[Blizzard777]

33 minutes ago, TacomaWx said:

You know sh*ts getting real when the temperature is still dropping past sunrise lol. Down to 22 now. 

Yep….21* here now

[TacomaWx]

Wow, down to 21 now. Imagine how cold tonight’s gonna be here! The number I’m hoping to beat here is 14 degrees in November 2010. If we beat that with 0 snowcover it would be astonishing.