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Weather pattern change?

  • Jeff Huber
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20 years 11 months ago - 20 years 11 months ago #171014 by Jeff Huber
Weather pattern change? was created by Jeff Huber
From the Portland discussion :<br>

.LONG TERM...MODELS REASONABLY CLOSE IN SHOWING PATTERN CHANGE<br> STARTING ON SUN.  BLOCKING PATTERN BREAKING DOWN.  GFS FASTEST WITH<br> THIS MAY BE A LITTLE FAST AS INITIAL SYSTEMS TEND TO BE SLOWER AND<br> WEAKER INTO BLOCK.  WILL GO WITH INITIAL BEST THREAT SUN NIGHT AS<br> LOW NEAR 40 N LIFTS NE INTO AREA.  18Z ETA ALSO SHOWS THIS TIMING.<br> SYSTEM LIFTS N OVER AREA MON INTO MON NIGHT.  12Z EURO SHOWS MORE<br> SIGNIFICANT WESTERLY SYSTEM BREAKING THROUGH INTO AREA TUE.  GFS<br> STILL FASTER SHOWING SYSTEM MON NIGHT.  WILL LET LATER FORECASTS<br> RESOLVE TIMING BETTER.  EURO GFS EACH SHOW SYSTEM OVER AREA THEN<br> BACKS FL0W AS TROUGH DEEPENS WELL OFFSHORE ON WED.  WILL LEAVE BROAD<br> BRUSH THREAT OF RAIN MON NIGHT THROUGH THU THOUGH SOMEWHERE IN THIS<br> TIME FRAME SOLID THREAT OF PRECIPITATION EXISTS.  KOSOVITZ

<br><br>From the Seattle discussion :<br>

OTHER BIG CHANGE IS EARLY NEXT WEEK. WITH RECENT MODEL INCONSISTENCY  IN RESOLVING THE EVOLUTION OF THE SPLIT FLOW OFFSHORE NEXT WEEK HAVE  BEEN HOLDING WITH PARTLY CLOUDY AND DRY. RECENT GFS RUNS AND NOW 00Z  ECMWF HAVE BEEN BRINGING A LOW UP ACROSS OREGON. 06Z GFS ENSEMBLES  HAVE AT LEAST HALF THE SOLUTIONS SUPPORTING THIS TREND. CONSENSUS  WITH PQR IS TO INTRODUCE A CHANCE OF RAIN EARLY NEXT WEEK...STARTING  ON MONDAY FOR WRN WA....SUNDAY NIGHT EARLIER FOR OREGON. THE SUNNY  AND DRY SPELL HAD TO COME TO AN END EVENTUALLY

<br><br>Anyone want to start a weather betting pool? ;-)

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  • markharf
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20 years 11 months ago #171015 by markharf
Replied by markharf on topic Re: Weather pattern change?
Who would've thought we'd be reduced to giddiness at the mere mention of "a chance of rain" four days out?

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  • Amar Andalkar
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20 years 11 months ago #171022 by Amar Andalkar
Replied by Amar Andalkar on topic Re: Weather pattern change?
I hate to be a pessimist, Jeff, but it sure looks like the upcoming storm cycle is once again going to follow this winter's unusual and persistent pattern: another series of cutoff lows aimed squarely at CA, with slim pickings of wraparound moisture in OR and WA. The QPF forecast is already hinting at 2-3 ft of new snow for the CA Cascades and Sierra on Monday-Tuesday, with more snow likely during the rest of the week. The biggest difference I can see from previous storms? Maybe I'll be in Tahoe this time instead of in Seattle!!!<br><br>By the way, it seems likely that nearly every measurement site in the Cascades from Mt Baker to Mt Hood will reach record-low snowdepths as of March 1, below even the drought year of 1977. The monthly outlook for March was just posted last week by the Climate Prediction Center , and it bears little hope for a major shift in this winter's seasonal pattern.<br>

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  • Michael
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20 years 11 months ago #171025 by Michael
Replied by Michael on topic Re: Weather pattern change?
Hmmm - I guess we will have to go to California now &gt;:(<br><br>Meanwhile, talking about unusual weather patterns, look at what the cold weather has done in Geneva: www.flickr.com/photos/zorba/sets/106439/show/ <br>Looking at this makes me think it's not all that bad here ;D

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  • Amar Andalkar
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20 years 11 months ago #171026 by Amar Andalkar
Replied by Amar Andalkar on topic Re: Weather pattern change?
Wow, Michael, those are the most amazing ice storm photos I've ever seen. I just had to grab one photo and post it in this thread: <br><br> <br><br>Did the ice come from freezing rainfall or from windblown water from the lake? Because in some of the photos, the buildings behind the vehicles appear to be ice-free. <br><br>I went through a similar but less intense ice storm during my senior year of college in 1994, as much of the Eastern Seaboard was hit with a massive ice storm of torrential freezing rain. All of New Jersey was coated with 2-3 inches of solid ice, followed by cold temps which refused to allow it to melt for the next week. It's the only time I've ever wanted crampons just to walk across campus to class. <br>

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  • Michael
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20 years 11 months ago #171030 by Michael
Replied by Michael on topic Re: Weather pattern change?
I think the ice mostly came from the lake, transported by the wind. It's been cold over there for a long time now. Even their banks closed at some point - for that to happen in Switzerland you know that it must be really bad :)<br><br>Skiing is amazing though, so for those who were considering to go to Europe for skiing - this is the year!!

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