Weather Stations In BC (Photos)

Weather reports, analysis etc. pertaining to Southern BC.
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Re: Weather stations in BC (photos)

Post by Canada Goose »

Glacier wrote: Mon Aug 26, 2019 7:39 am Not sure.
Could be... :clap:
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Re: Weather stations in BC (photos)

Post by Glacier »

Canada Goose wrote: Mon Aug 26, 2019 7:45 am Could be... :clap:
The interesting thing about Peachland is that it has the warmest winters anywhere in the Okanagan valley, even warmer than Osoyoos. This is likely due to the moderate effect of Okanagan Lake.
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Re: Weather stations in BC (photos)

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Glacier wrote: Mon Aug 26, 2019 10:00 am The interesting thing about Peachland is that it has the warmest winters anywhere in the Okanagan valley, even warmer than Osoyoos. This is likely due to the moderate effect of Okanagan Lake.
Considering the average Tmin, the Peachland weather station must be at the top of a hill.

Average Tmin for this month so far:

Kelowna Aiport: 11.0C
Pencticton: 12.9C
Kelowna UBCO: 13.6C
Summerland: 15.2C
Peachland: 17.3C

I don't think the station is overheating because Tmax are consistent.
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Re: Weather stations in BC (photos)

Post by Glacier »

Canada Goose wrote: Mon Aug 26, 2019 10:13 am Considering the average Tmin, the Peachland weather station must be at the top of a hill.

Average Tmin for this month so far:

Kelowna Aiport: 11.0C
Pencticton: 12.9C
Kelowna UBCO: 13.6C
Summerland: 15.2C
Peachland: 17.3C

I don't think the station is overheating because Tmax are consistent.
Wrong... it's in the valley bottom, but the constant wind off the lake keeps the overnight temperatures up.
PEACHLANDWIND.png
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Re: Weather stations in BC (photos)

Post by Glacier »

The Yukon has been gutted of weather stations over the past 20 years or so such that the only ones left tend to be at airports. There are FEWER than 20 weather stations in the entire territory now, but at least they are all really well situated as far as I can tell.

Dawson:
dawsonWS1.png
dawsonws2.png
Old Crow (fly-in community only, and the most northern community in the Yukon... also, no alcohol allowed)
oldcrowWS1.png
Whitehorse (interesting how there's no fence around the station):
WhitehorseWS1.png
WhitehorseWS2.png
Watson Lake (not exactly sure the location here):
WatsonLakeWS.png
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Last edited by Glacier on Mon Aug 26, 2019 3:21 pm, edited 3 times in total.
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Re: Weather stations in BC (photos)

Post by Glacier »

Burwash Landing:
BurwashWS.png
Haines Junction doesn't have the station at the airport for some reason:
HainesJuctionWS1.png
HainsJunctionWS2.png
Teslin (this is just a guess on my part):
TeslinWS1.png
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Re: Weather stations in BC (photos)

Post by Glacier »

RIP Gold River (1966 to 2016)

Not a very good location anyway.
GoldRiver1.png
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Re: Weather stations in BC (photos)

Post by Glacier »

BC's south easternmost weather station... Baynes Lake Kootenay River...
BAYNES LAKE KOOTENAY RIVER WS1.jpg
BAYNES LAKE KOOTENAY RIVER WS2.jpg
BAYNES LAKE KOOTENAY RIVER WS3.jpg
BAYNES LAKE KOOTENAY RIVER WS4.jpg
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Re: Weather stations in BC (photos)

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Revelstoke, a good one.

Revelstoke.jpg
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Re: Weather stations in BC (photos)

Post by SouthSardiswx »

Too much pavement behind it Sheriff.
It's the 7th annual 2 old retired geezer's inaccurate snowfall contest
:gramps: Wrinkle Rockers: 0cm
:hockey: South Sardinies: 0cm
CYCW station
https://cycw.awos.live/local-weather
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Re: Weather stations in BC (photos)

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Sardisbcwx wrote: Mon Nov 11, 2019 5:45 pm Too much pavement behind it Sheriff.
The clearance around the station is very good and the concrete surfaces are relatively distant. This is a good station.
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Re: Weather stations in BC (photos)

Post by Glacier »

Canada Goose wrote: Mon Nov 11, 2019 6:11 pm The clearance around the station is very good and the concrete surfaces are relatively distant. This is a good station.
I agree that it's a good one, however, answer me this, Rocket Scientist: Why does Revelstoke have two stations at the airport (one by EC and one by Nav Canada) with the temperatures often being up to 5 degrees apart on hot days.

example 1: EC station = 34.6C on July 13th, 2018; Nav Canada = 31.8C

example 2: EC = 37.1C on July 8th, 2017; Nav Canada = 32.6!!!

EDIT: Interestingly enough, the hourly data for the EC station peaked at 32.9C, so maybe just a faulty thermometer by EC!
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Re: Weather stations in BC (photos)

Post by Abby_wx »

Glacier wrote: Tue Nov 12, 2019 9:08 am I agree that it's a good one, however, answer me this, Rocket Scientist: Why does Revelstoke have two stations at the airport (one by EC and one by Nav Canada) with the temperatures often being up to 5 degrees apart on hot days.

example 1: EC station = 34.6C on July 13th, 2018; Nav Canada = 31.8C

example 2: EC = 37.1C on July 8th, 2017; Nav Canada = 32.6!!!

EDIT: Interestingly enough, the hourly data for the EC station peaked at 32.9C, so maybe just a faulty thermometer by EC!
I've often noticed that Nav Canada stations seems to have a cold bias. I notice it a lot with nighttime temperatures, as well (actually, moreso than daytime).
:dragon:

Fall/Winter 2023/24
Low min: -16.6C (Jan 12th)
Low max: -9.9C (Jan 12th)
Snowfall: 8.0 cm
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Re: Weather stations in BC (photos)

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Glacier wrote: Tue Nov 12, 2019 9:08 am I agree that it's a good one, however, answer me this, Rocket Scientist: Why does Revelstoke have two stations at the airport (one by EC and one by Nav Canada) with the temperatures often being up to 5 degrees apart on hot days.

example 1: EC station = 34.6C on July 13th, 2018; Nav Canada = 31.8C

example 2: EC = 37.1C on July 8th, 2017; Nav Canada = 32.6!!!

EDIT: Interestingly enough, the hourly data for the EC station peaked at 32.9C, so maybe just a faulty thermometer by EC!
Huh, EC's rules... :evil:

Let's have a look at the hourly data:

On July 8, 2017:

Time - Revelstoke A - Revelstoke Airport Auto (difference)

12:00: 20.7 - 26.4 (+5.7)
01:00: 19.5 - 27.6 (+8.1)
02:00: 23.5 - 28.9 (+5.4)
03:00: 23.9 - 29.1 (+5.2)
04:00: 24.0 - 31.7 (+7.7)
05:00: 31.2 - 32.9 (+0.7)
06:00: 31.6 - 32.6 (+1.0)
07:00: 28.4 - 29.5 (+1.1)
TMax: 32.6 - 37.1 (+4.5)

Since the 2 stations are supposed to be almost at the same place, the readings are totally inconsistent.
Furthermore, the Tmax of the 2nd station is 4.2C higher than the hourly Tmax, which is highly unlikely and suspicious.
And a 4.5C difference between the 2 Tmax is impossible.

On July 13, 2018:

Time - Revelstoke A - Revelstoke Airport Auto (difference)

12:00: 22.0 - 24.0 (+2.0)
01:00: 26.1 - 28.8 (+2.7)
02:00: 31.6 - 31.4 (-0.2)
03:00: 30.4 - 31.2 (+0.8)
04:00: 26.5 - 30.4 (+3.9)
05:00: 29.0 - 29.8 (+0.8)
06:00: 27.4 - 28.0 (+0.6)
07:00: 25.6 - 26.7 (+1.1)
Tmax: 31.8 - 34.6 (+2.8)

The readings are more close but still very different at certain hours (1:00, 4:00).
The Tmax of the 2nd station is 3.2C higher than the hourly Tmax, still too much...
A difference of 2.8C between the 2 Tmax is here again highly unlikely.


As Abby_wx said, there's a looooot of problems with some data, especially since 2013 or so (when NAVCAN replaced many EC stations).
I've noticed a lot of incoherences with YVR station when the sky is clear.
For example, I don't believe in the June record on June 30, 2013 (!). The hourly max was 26.1C and the Tmax was supposedly 31.2C! :thumbdown:

In short, this is a real nightmare...
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Re: Weather stations in BC (photos)

Post by Glacier »

Abby_wx wrote: Tue Nov 12, 2019 12:03 pm I've often noticed that Nav Canada stations seems to have a cold bias. I notice it a lot with nighttime temperatures, as well (actually, moreso than daytime).
You are so right. I just ran a quick run at 2019 data for 7 airports in BC that have both stations.

In 100% of them, the cold bias exists at night. The daytime is less so, but look at Kamloops! Dease lake has an interesting trend!
temperaturebias.png
TDiffKamloops.png
TDiffDeaseLake.png
TDiffRevelstoke.png
TDiffVancouver.png
TDiffLytton.png
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