Pacific Northwest Weather
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- Category 4
- Posts: 994
- Joined: Mon Jan 17, 2005 12:15 am
- Location: Covington, WA
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- Category 5
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- Joined: Thu Jan 06, 2005 11:34 pm
- Location: Woodinville, Wa
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- Category 5
- Posts: 1139
- Joined: Thu Jan 06, 2005 11:34 pm
- Location: Woodinville, Wa
Hi folks. Viewing tonights run of the 00z...forecast is still generally the same from what I had said earlier. Mostly sunny through rest of this week and weekend with highs in the mid-upper 50`s, then showers with steady showers at times 28th through about the 5th. Very strong high pressure ridge taking firm hold for 6th - 13th. That high pressure still appearing to be at it`s peak for March 8th....as 500MB vorticity heights are now showing 582DM for the evening of the 8th. 850MB temps still showing pretty high values...+9C to near +12C and heights near 1600M. So with a 1029MB high almost right on top of us, good off shore flow and decent southerly winds...we could now very well see high temps in the low 80`s.
Will see if this holds out for later runs. -- Andy
Will see if this holds out for later runs. -- Andy
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- Category 4
- Posts: 994
- Joined: Mon Jan 17, 2005 12:15 am
- Location: Covington, WA
TT...I am a bit mystified how the dp can be higher in North Bend than here. Just par for the course this year I guess.
Wow...that rain at day 6 looks really impressive. I had not looked that closely on this run.
As for the next ridge...the GFS still shows it wanting to retrogress after it sets up. It could start out warm and then get colder, if it's right. It shows the high could pinch off and leave us in a cool easterly flow (around the bottom of the high). That would result in some wild temp swings!
Wow...that rain at day 6 looks really impressive. I had not looked that closely on this run.
As for the next ridge...the GFS still shows it wanting to retrogress after it sets up. It could start out warm and then get colder, if it's right. It shows the high could pinch off and leave us in a cool easterly flow (around the bottom of the high). That would result in some wild temp swings!
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- Category 4
- Posts: 994
- Joined: Mon Jan 17, 2005 12:15 am
- Location: Covington, WA
The one thing I am sure about is that March will be weird. There is just no way it could be normal after this month. It certainly looks very continental again in the 10 - 15 day period. The question is, will it be cold continental or warm. The latest GFS shows a scenario that could bring much above normal highs and record lows to some areas. Perhaps even more extreme than this week, in that respect.
People keep comparing the current weather to California, I think that Elko Nevada, or even Denver would be more accurate. The nights are just too cold for Cal. I guess it just makes me gag to be compared to Cal....
People keep comparing the current weather to California, I think that Elko Nevada, or even Denver would be more accurate. The nights are just too cold for Cal. I guess it just makes me gag to be compared to Cal....

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andycottle,
Even with +12C 850 mb heights and 570 500 mb heights, you'll never get temperatures to approach 80F in the beginning of March. First, the sun duration and height does not support those kinds of temperatures. Second, there's not enough warm air coming from the south to produce such high temperatures. I would say mid, upper 60s with those above values.
If we could get two, three feet of fresh, new snow in the mountains I would be very happy. They desperately need snow and late next week and weekend look promising for the mountains. If we can get the snow level to fall below 3k, everything will be fine.
Alright, goodnite to all!
Anthony
Even with +12C 850 mb heights and 570 500 mb heights, you'll never get temperatures to approach 80F in the beginning of March. First, the sun duration and height does not support those kinds of temperatures. Second, there's not enough warm air coming from the south to produce such high temperatures. I would say mid, upper 60s with those above values.
If we could get two, three feet of fresh, new snow in the mountains I would be very happy. They desperately need snow and late next week and weekend look promising for the mountains. If we can get the snow level to fall below 3k, everything will be fine.
Alright, goodnite to all!
Anthony
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- Category 5
- Posts: 1139
- Joined: Thu Jan 06, 2005 11:34 pm
- Location: Woodinville, Wa
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- Category 4
- Posts: 994
- Joined: Mon Jan 17, 2005 12:15 am
- Location: Covington, WA
How about that...we made the big 32 in Covington yet again. That is now the 17th low of 32 or below this month tied with Feb 1996 for the most since Feb 1993. I just can't believe that some people are not impressed by that. We are talking about the most freezing lows in one month in YEARS!
To say the least, SE King County has taken the cold night award this month. Olympia has had some slightly colder lows, but we have been SO consistent.
To say the least, SE King County has taken the cold night award this month. Olympia has had some slightly colder lows, but we have been SO consistent.
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