7 day to 2 week+ forecast (since 1998) - 06 to 16 September, 2014 - Unseasonably cold and strong low pressure continues being generated out of the Gulf of Alaska (no change), affecting mainly the northwest US and northern Rocky Mountains with periodic showers and below average temperatures, plus some high elevation snowfall there. The pattern should continue to include some chances for summer thunderstorms most days, but for more brief periods than usual. Temperatures should be near average. After the 10th we see possible strong low pressure and lower elevation snowfall for the Northwest US and northern Rocky Mountains. CM
Longer Range Outlook
As of now, August 2014, we are still on a path to see an El Nino Sea Surface Temperature pattern hold across the Equatorial Eastern Pacific. As of the last check, July has shown a possibly brief trend to cooler Sea Surface Temperature Anomalies across the eastern Equatorial Pacific (El Nino development has been put on hold for now). We will watch and see what happens.
The larger time-scale SST pattern in place right now is still a cool phase PDO, or negative PDO, which stands for Pacific Decadal Oscillation. This is a more long term pattern (decades), and it has made any recent years El Nino SST patterns weaker.
To reiterate, we expect an overall trend toward positive SST Anomalies along the eastern Equatorial Pacific. The likelihood of an El Nino pattern this fall and winter are really good, now "likely". Forecasts from other agencies are calling for El Nino conditions to hold this fall and winter. This would favor the southwest US (including southern California and across to Taos Ski Valley, even Aspen, Colorado) for heavier rain and snow this fall and mainly winter (2014-2015), after the wet monsoon summer across the southwest US. Northwest US areas, and southwest Canada, along with northern Colorado through Wyoming and the northern Rocky Mountains, should see an active monsoon (thunderstorms and showers) this summer, followed by a drier than average, or near average snowfall winter (2014-2015). This is our outlook for now, and we will update as info becomes available. All of this information is generated in-house.
We will keep this outlook updated as more information becomes available. If you want to know when the snow is coming (and be able to set unlimited alerts for any resort), within 5 minutes or less of us (our our sources) entering the data into any of our forecasts, be sure to download the app.
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