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November 2016 Observations and Model Discussion for the Pacific Northwest


Gradient Keeper

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January off the table?

I'd be ok with that lol

2013/2014 Winter season

Coldest Low: 14 F December 7th

Coldest High: 27.3 F December 7th

Coldest Wind chill: 5 F December 7th

Lowest Dew Point: -2.2 F December 6th

Days below freezing: 5

Total Snowfall: 11 inches

Most snowfall in a Day: 8 inches

Days With Snow: 3

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00z GFS

Begins in.... 6 minutes
 
We need our offshore block from day 4 to 6 to be stronger. We need a strong/amplified southeast US ridge building quickly with rising heights across the plains/midwest which will buckle the pattern over us(and lead to the offshore ridge to be suppressed sooner)
 
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Wow it looks like I am going to set the record for warmest November on record by 0.1F

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Snowfall                                  Precip

2022-23: 95.0"                      2022-23: 17.39"

2021-22: 52.6"                    2021-22: 91.46" 

2020-21: 12.0"                    2020-21: 71.59"

2019-20: 23.5"                   2019-20: 58.54"

2018-19: 63.5"                   2018-19: 66.33"

2017-18: 30.3"                   2017-18: 59.83"

2016-17: 49.2"                   2016-17: 97.58"

2015-16: 11.75"                 2015-16: 68.67"

2014-15: 3.5"
2013-14: 11.75"                  2013-14: 62.30
2012-13: 16.75"                 2012-13: 78.45  

2011-12: 98.5"                   2011-12: 92.67"

It's always sunny at Winters Hill! 
Fighting the good fight against weather evil.

 

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Remember that really big windstorm that we were supposed to have a while back?  I hope this cold snap doesn't go the same route as that windstorm.  The models need to stand strong and deliver the goods!

 

I think there was some questionable interpretation going on with that as it drew near.

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Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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Remember that really big windstorm that we were supposed to have a while back?  I hope this cold snap doesn't go the same route as that windstorm.  The models need to stand strong and deliver the goods!

 

Maybe the majority of folks weren't lucky with that one but it panned out a bit more here locally. I had some impressive winds in that one. Surprisingly after that one I had even stronger winds on 10/26 in the morning through early afternoon. Those winds had me concerned for the taller trees in my yard.

Ashland, KY Weather

'23-'24 Winter

Snowfall - 5.50"
First freeze: 11/1 (32)
Minimum: 2 on 1/17

Measurable snows: 4
Max 1 day snow: 3" (1/19)

Thunders: 16
1/27, 1/28, 2/10, 2/22, 2/27, 2/28, 3/5, 3/6, 3/14, 3/15
3/26, 3/30, 3/31, 4/2, 4/3, 4/8, 

Severe storms: 2

-------------------------------------------------------
[Klamath Falls, OR 2010 to 2021]
https://imgur.com/SuGTijl

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Remember that really big windstorm that we were supposed to have a while back? I hope this cold snap doesn't go the same route as that windstorm. The models need to stand strong and deliver the goods!

This is a very good point. Has anyone been working on this?

My preferences can beat up your preferences’ dad.

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Maybe the majority of folks weren't lucky with that one but it panned out a bit more here locally. I had some impressive winds in that one. Surprisingly after that one I had even stronger winds on 10/26 in the morning through early afternoon. Those winds had me concerned for the taller trees in my yard.

 

I'm hoping my home here in the swamp doesn't miss the boat this time.

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Up to 0.75" of rain on the day. Pretty surprising I got that much out of this little system.

Snowfall                                  Precip

2022-23: 95.0"                      2022-23: 17.39"

2021-22: 52.6"                    2021-22: 91.46" 

2020-21: 12.0"                    2020-21: 71.59"

2019-20: 23.5"                   2019-20: 58.54"

2018-19: 63.5"                   2018-19: 66.33"

2017-18: 30.3"                   2017-18: 59.83"

2016-17: 49.2"                   2016-17: 97.58"

2015-16: 11.75"                 2015-16: 68.67"

2014-15: 3.5"
2013-14: 11.75"                  2013-14: 62.30
2012-13: 16.75"                 2012-13: 78.45  

2011-12: 98.5"                   2011-12: 92.67"

It's always sunny at Winters Hill! 
Fighting the good fight against weather evil.

 

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HR 54 Aleutian ridge touch weaker than 12z now

 

 

Stronger weaker stronger weaker...Stronger? ;)

Snowfall                                  Precip

2022-23: 95.0"                      2022-23: 17.39"

2021-22: 52.6"                    2021-22: 91.46" 

2020-21: 12.0"                    2020-21: 71.59"

2019-20: 23.5"                   2019-20: 58.54"

2018-19: 63.5"                   2018-19: 66.33"

2017-18: 30.3"                   2017-18: 59.83"

2016-17: 49.2"                   2016-17: 97.58"

2015-16: 11.75"                 2015-16: 68.67"

2014-15: 3.5"
2013-14: 11.75"                  2013-14: 62.30
2012-13: 16.75"                 2012-13: 78.45  

2011-12: 98.5"                   2011-12: 92.67"

It's always sunny at Winters Hill! 
Fighting the good fight against weather evil.

 

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A really nice illustration of how cold January was in the 1950s can be seen using the SEA temps and taking an average of the lowest max and lowest min for each Jan 1950 - 59. One of the mets did something like this for Portland last night so it wasn't my idea...

 

Anyway...

 

AVG lowest max = 30.4

 

AVG lowest min = 16.5 (very impressive for that station)

 

Amazingly 7 of the 10 Januaries had a low below 18 degrees. The numbers would have been even better if it weren't for the torches of 1953 and 1958.

Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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Day 2 Aleutian ridge a touch stronger than 12z

 

Any improvement over the 12z or 18z would put us in pretty nice territory.

Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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Day 3 Aleutian ridge strengthening, for now...

 

I'm betting we get a good result with that. Nice balance.

Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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Good lord.

 

Stronger, weaker, stronger, faster, deeper, ouch, wrong hole...

Model riding can be painful.

Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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If models have a good handle on the longwave pattern evolution there shouldn't be big changes in the first 5-6 days.

Yeah...should just be fine tuning the details now.

Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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If anything the 00z is worse through hour 96

Snowfall                                  Precip

2022-23: 95.0"                      2022-23: 17.39"

2021-22: 52.6"                    2021-22: 91.46" 

2020-21: 12.0"                    2020-21: 71.59"

2019-20: 23.5"                   2019-20: 58.54"

2018-19: 63.5"                   2018-19: 66.33"

2017-18: 30.3"                   2017-18: 59.83"

2016-17: 49.2"                   2016-17: 97.58"

2015-16: 11.75"                 2015-16: 68.67"

2014-15: 3.5"
2013-14: 11.75"                  2013-14: 62.30
2012-13: 16.75"                 2012-13: 78.45  

2011-12: 98.5"                   2011-12: 92.67"

It's always sunny at Winters Hill! 
Fighting the good fight against weather evil.

 

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Yeah...should just be fine tuning the details now.

Yeah the small stuff still needs to be ironed out...what I mean is the overall 500 mb pattern including shape/amplitude and longitudinal placement of ridges and troughs.

The Pacific Northwest: Where storms go to die.

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Yep the cold air not digging south as much or as quickly. 

Snowfall                                  Precip

2022-23: 95.0"                      2022-23: 17.39"

2021-22: 52.6"                    2021-22: 91.46" 

2020-21: 12.0"                    2020-21: 71.59"

2019-20: 23.5"                   2019-20: 58.54"

2018-19: 63.5"                   2018-19: 66.33"

2017-18: 30.3"                   2017-18: 59.83"

2016-17: 49.2"                   2016-17: 97.58"

2015-16: 11.75"                 2015-16: 68.67"

2014-15: 3.5"
2013-14: 11.75"                  2013-14: 62.30
2012-13: 16.75"                 2012-13: 78.45  

2011-12: 98.5"                   2011-12: 92.67"

It's always sunny at Winters Hill! 
Fighting the good fight against weather evil.

 

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