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May Weather in the Pacific Northwest

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#51
jcmcgaffey

Posted 01 May 2018 - 06:42 PM

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So then highs must have gone the other way? With SEA being colder compared to their normal... because the overall departure was right on par with the other stations in the region.


SEA lows are affected more than the rest of the day. The further below 72 the temp is the more it is affected by UHI.

#52
TT-SEA

Posted 01 May 2018 - 06:46 PM

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SEA lows are affected more than the rest of the day. The further below 72 the temp is the more it is affected by UHI.

 

Not sure about that... but my point was purely mathematical.

 

The overall departure at SEA was right in line with the other stations in the region.   So if the lows had a larger positive departure than the other stations... logically then the highs must have had a larger negative departure to balance it out because it ended up with the same overall departure as the other stations.



#53
jcmcgaffey

Posted 01 May 2018 - 06:50 PM

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This was really interesting. 1.8-5.4 degrees from UHI. Too bad for Tim, areas downwind of the city get more rain...

https://en.m.wikiped...ban_heat_island
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#54
TT-SEA

Posted 01 May 2018 - 06:54 PM

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This was really interesting. 1.8-5.4 degrees from UHI. Too bad for Tim, areas downwind of the city get more rain...

https://en.m.wikiped...ban_heat_island

 

The wind is almost never from the west here.   During rain events its usually from the south or southwest (and many times the southeast).   We are actually downwind from miles of forest and Mt. Rainier.   

 

Everett and Monroe are more downwind from Seattle than here. 

 

The mountains do just fine producing more rain here anyways.  



#55
El Nina

Posted 01 May 2018 - 07:31 PM

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Not sure about that... but my point was purely mathematical.

The overall departure at SEA was right in line with the other stations in the region. So if the lows had a larger positive departure than the other stations... logically then the highs must have had a larger negative departure to balance it out because it ended up with the same overall departure as the other stations.

I have noticed UHI comes into play much more when it's dry. Like when we get frosts here in the spring, it can be nearly 10 degrees warmer in Portland while when it rains there is hardly a difference.

#56
TT-SEA

Posted 01 May 2018 - 07:35 PM

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I have noticed UHI comes into play much more when it's dry. Like when we get frosts here in the spring, it can be nearly 10 degrees warmer in Portland while when it rains there is hardly a difference.


I have noticed the same thing.

#57
jcmcgaffey

Posted 01 May 2018 - 07:44 PM

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The wind is almost never from the west here. During rain events its usually from the south or southwest (and many times the southeast). We are actually downwind from miles of forest and Mt. Rainier.

Everett and Monroe are more downwind from Seattle than here.

The mountains do just fine producing more rain here anyways.

ya areas north east of seattle would be much more affected (if there is even much of an affect in reality). I doubt you are generally in the rain shadow of Rainier though. I could see sometimes you might be but that would be rare.

#58
TT-SEA

Posted 01 May 2018 - 07:49 PM

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ya areas north east of seattle would be much more affected (if there is even much of an affect in reality). I doubt you are generally in the rain shadow of Rainier though. I could see sometimes you might be but that would be rare.

 

Not too often... I think its too narrow to really produce a traditional rain shadow anyways.



#59
jcmcgaffey

Posted 01 May 2018 - 07:50 PM

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I have noticed the same thing.

. I have noticed that too. I really do think it happens much more within certain temperature ranges. Especially with lower temperatures. It is somewhat simple math. Typical UHI adds heat to the surrounding atmosphere. The general heat added is around 75-85deg so the colder the temperature the bigger increase in added temp. The closer to 75-85 the less UHI will affect.

#60
Deweydog

Posted 01 May 2018 - 08:02 PM

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Meanwhile...

Tomorrow looks nice.

All roads lead to Walgreens.  


#61
TT-SEA

Posted 01 May 2018 - 08:06 PM

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Meanwhile...

Tomorrow looks nice.


Sideways rain and 45 degrees? I did not see that in the models.

#62
Deweydog

Posted 01 May 2018 - 08:07 PM

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Sideways rain and 45 degrees? I did not see that in the models.


Milk just came out of my nose!

And I'm not drinking milk!!!

All roads lead to Walgreens.  


#63
TT-SEA

Posted 01 May 2018 - 08:19 PM

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Milk just came out of my nose!

And I'm not drinking milk!!!

 

Might want to see a doctor about that.  



#64
Jesse

Posted 01 May 2018 - 08:19 PM

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Sideways rain and 45 degrees? I did not see that in the models.


It’s amazing how edgy you can be even when the weather is cooperating for you. :lol:

#65
Front Ranger

Posted 01 May 2018 - 08:29 PM

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So then highs must have gone the other way? With SEA being colder compared to their normal... because the overall departure was right on par with the other stations in the region.

 

It's been proven repeatedly that SEA runs warmer anomalies than most other stations during the warm season. Not as much during the cool season.

 

April is when it usually just starts to become more noticeable. 


Cool anomalies soothe the soul.


#66
Front Ranger

Posted 01 May 2018 - 08:31 PM

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It’s amazing how edgy you can be even when the weather is cooperating for you. :lol:

 

2014-17. Nuff said.

 

He will stop being edgy when that is balanced out!!


Cool anomalies soothe the soul.


#67
MossMan

Posted 01 May 2018 - 08:32 PM

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Some edgy conversations tonight!

#68
Deweydog

Posted 01 May 2018 - 08:34 PM

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I saw an edgy to the clouds to the west just before sunset.

All roads lead to Walgreens.  


#69
Jesse

Posted 01 May 2018 - 08:35 PM

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I saw an edgy to the clouds to the west just before sunset.


That was pretty!

#70
Jesse

Posted 01 May 2018 - 08:37 PM

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Some edgy conversations tonight!


Attached File  3536C678-8E33-4F96-9FBD-6678DE5F31E7.jpeg   112.74KB   0 downloads
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#71
Front Ranger

Posted 01 May 2018 - 08:40 PM

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With a little cropping, that pic would look a lot more extreme. 

 

Not as extreme as the opinions on this forum, though.


Cool anomalies soothe the soul.


#72
Front Ranger

Posted 01 May 2018 - 08:43 PM

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0z GFS has one hell of a GOA trough at day 10. Heading straight for Mossman's new place.


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Cool anomalies soothe the soul.


#73
ShawniganLake

Posted 01 May 2018 - 08:52 PM

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0z GFS has one hell of a GOA trough at day 10. Heading straight for Mossman's new place.

I didn’t know you looked that far ahead in the models.

Nice day today.

#74
Front Ranger

Posted 01 May 2018 - 08:55 PM

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I didn’t know you looked that far ahead in the models.

 

Day 10. Right on the edge of the resolution change.  ;)


Cool anomalies soothe the soul.


#75
MossMan

Posted 01 May 2018 - 08:56 PM

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0z GFS has one hell of a GOA trough at day 10. Heading straight for Mossman's new place.

I’m just thankful that it’s looking dry and pleasant for this weekends moving in festivities!
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#76
jcmcgaffey

Posted 01 May 2018 - 09:00 PM

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It's been proven repeatedly that SEA runs warmer anomalies than most other stations during the warm season. Not as much during the cool season.

April is when it usually just starts to become more noticeable.

. Really? Do you know what the reason is for that? Again it seems like it would have a larger effect on the colder temperatures.

#77
Geos

Posted 01 May 2018 - 09:34 PM

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End of the day turned out pretty nice. Reached 63 about dinner time. 


Finn Hill, elevation: 460 ft
2018 moisture: 23.57", 06/14, 8 am

 

2017-2018 winter snowfall total: 9.0", 3/23

Weather station/wx cam: http://map.bloomsky....qBxp6apnJSnqqm2
https://www.wundergr...OTHE144#history


#78
Front Ranger

Posted 01 May 2018 - 10:28 PM

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. Really? Do you know what the reason is for that? Again it seems like it would have a larger effect on the colder temperatures.


Days with sunshine and a N/NW wind tend maximize the warmth from land changes around the airport. That's the guess, at least.

Cool anomalies soothe the soul.


#79
Phil

Posted 01 May 2018 - 10:52 PM

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Sideways rain and 45 degrees? I did not see that in the models.


Summer weather doesn’t get better than that. :wub:
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm Season 2018
90+ degree days: 5
Thunderstorm Days: 5
Severe Days: 1
Total rainfall: 1.77”
Highest Gust: 54mph
Warmest High: 94.6*F
Warmest low: 65.5*F

Live Weather Stream

#80
Phil

Posted 01 May 2018 - 10:56 PM

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0z GFS has one hell of a GOA trough at day 10. Heading straight for Mossman's new place.


That’s a terrifying pattern. Please no.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm Season 2018
90+ degree days: 5
Thunderstorm Days: 5
Severe Days: 1
Total rainfall: 1.77”
Highest Gust: 54mph
Warmest High: 94.6*F
Warmest low: 65.5*F

Live Weather Stream

#81
TigerWoodsLibido

Posted 01 May 2018 - 11:18 PM

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That’s a terrifying pattern. Please no.

 

You won't need a sauna?


Monmouth, Oregon Winter 17-18 Stats:

 

Coldest high: 34 (Dec 24)

Coldest low: 22 (Dec 11 & Feb 23)

Total snowfall: 1"

Last snowfall: February 21-22, 2018

Last accumulating snowfall on roads: March 6, 2017

Last sub-freezing high: Jan 13, 2017 (31)

Last White Christmas: 2008

 

My Twitter @353jerseys4hope


#82
Phil

Posted 02 May 2018 - 12:07 AM

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You won't need a sauna?


Lol. I live in one.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm Season 2018
90+ degree days: 5
Thunderstorm Days: 5
Severe Days: 1
Total rainfall: 1.77”
Highest Gust: 54mph
Warmest High: 94.6*F
Warmest low: 65.5*F

Live Weather Stream

#83
TT-SEA

Posted 02 May 2018 - 04:20 AM

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Still on East Coast time... woke up at 4 a.m. for the day.   

 

Daylight arrives by 5 a.m. now when the sky is clear... and the birds are already singing loudly.   

 

00Z ECMWF was interesting... the crash is short-lived on days 7 and 8 and then its back to ridging by days 9 and 10.   The EPS does not agree though.  



#84
SilverFallsAndrew

Posted 02 May 2018 - 05:56 AM

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A chilly 34 degree morning. 


Snowfall

2017-18: 30.0"

2016-17: 49.2"

2015-16: 11.75"

2014-15: 3.5"
2013-14: 11.75"
2012-13: 16.75"
2011-12: 98.5"

 

 

 


#85
Jesse

Posted 02 May 2018 - 05:59 AM

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A chilly 34 degree morning.


Yeah sort of a pleasant surprise. Hit 40 here.

#86
TT-SEA

Posted 02 May 2018 - 06:03 AM

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Sun!  



#87
Jesse

Posted 02 May 2018 - 06:25 AM

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Some patchy low clouds have formed here.

#88
MossMan

Posted 02 May 2018 - 07:02 AM

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Wall to wall sun shining off the glassy waters of Lake Goodwin!
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#89
Deweydog

Posted 02 May 2018 - 07:09 AM

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Some patchy low clouds have formed here.


And you were looking at the ensembles for some excitement...

All roads lead to Walgreens.  


#90
Jesse

Posted 02 May 2018 - 07:21 AM

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And you were looking at the ensembles for some excitement...


Almost totally overcast now!

#91
Front Ranger

Posted 02 May 2018 - 07:43 AM

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Almost totally overcast now!

 

Sunscreen cancel.


Cool anomalies soothe the soul.


#92
Farmboy

Posted 02 May 2018 - 07:46 AM

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Almost totally overcast now!


Disaster averted! That was a close one! Are you part vampire or something?
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Heat waves in the summer, Arctic outbreaks in the winter!


#93
TT-SEA

Posted 02 May 2018 - 07:53 AM

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Disaster averted! That was a close one! Are you part vampire or something?

 

You really have to wonder about a few people on here.   :lol:



#94
SilverFallsAndrew

Posted 02 May 2018 - 07:55 AM

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Some low clouds here in Salem this morning. What a pleasant surprise!

Snowfall

2017-18: 30.0"

2016-17: 49.2"

2015-16: 11.75"

2014-15: 3.5"
2013-14: 11.75"
2012-13: 16.75"
2011-12: 98.5"

 

 

 


#95
Jesse

Posted 02 May 2018 - 07:59 AM

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You guys make this too easy.

#96
Deweydog

Posted 02 May 2018 - 08:09 AM

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You guys make this too easy.


You're surrounded!!!

All roads lead to Walgreens.  


#97
Jesse

Posted 02 May 2018 - 08:16 AM

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You're surrounded!!!


2-3 is maybe more like a partial semicircle.

#98
Jesse

Posted 02 May 2018 - 08:17 AM

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Nice day!

#99
TT-SEA

Posted 02 May 2018 - 08:21 AM

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Nightmare day in progress here.

Total sunshine and warming up. It's not cold and wet and dark outside. Why???

#100
ShawniganLake

Posted 02 May 2018 - 08:34 AM

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The trolling has been anomalously high from both sides this spring.
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