Autumn 2017
The final days of October will host gusty Santa Ana winds and record heat in Southern California and potentially record cold in the Midwest and interior East. Overall it’s been cold in the Northwest but very warm east of the Rockies. October 2m temperature anomaly so far for October. Late October Santa Ana/Heatwave Event Of […]
As we close the door to autumn’s 2nd month there’s contradiction in the modelling around the end of Oct/beginning of November solution. GFS ensemble indicates a turn to much cooler around Halloween on into the opening days of November, a change from recent years while the CFSv2 weeklies hold on to the milder theme. GFS ensemble […]
The West Pacific has finally woken up with the support of a strong phase 5 MJO. 1 system has already driven west into China (brought eastern US ridge/warmth), now we’ve Lan which is projected to become a super typhoon. https://twitter.com/RobElvington/status/919013629214597121 Rather than heading west, Lan is projected to take the northward ‘recurve’ track towards Japan. The […]
It’s back, the ‘atmospheric river’ season opens in style this year with copious amounts of liquid driving into the Pacific Northwest. Thank the ‘river in the sky’ spanning the entire 5,000 miles of Pacific Ocean from China to British Columbia. As well as powerful winds, record rainfall has affected several places throughout the Pacific Northwest. […]
After weeks of dealing with hurricanes, former hurricanes and storms, we’re edging ever closer to winter, the season many of us are longing for. Up until now it’s been all about the Atlantic with no mention of the Arctic. This will inevitably change as we head into November. So far, our setup has very much […]
Thanks to clear, calm high pressure settling over the Mid-Atlantic states, the last couple of morning’s have been seasonably chilly with plenty of ‘first frosts’ in the typically cool spots. https://twitter.com/WeatherNut27/status/920230876788789248 https://twitter.com/MWObs/status/920264625307947008 https://twitter.com/hbwx/status/920643259105497088 https://twitter.com/NWS_BaltWash/status/920626556153794561 https://twitter.com/SkyMagicMedia/status/920435424857862144 https://twitter.com/loonmtn/status/920251168466591744 https://twitter.com/NJSnowFan/status/920241582888161280
THIS POST WILL BE UPDATED THROUGHOUT TODAY Tuesday PM UPDATE: Hurricane Irma becomes first Atlantic Category 5 of 2017 and strongest since Felix 10 years ago. https://twitter.com/philklotzbach/status/905037369627222016 https://twitter.com/philklotzbach/status/905042432286277632 https://twitter.com/AndyHazelton/status/905036680457064448 Tuesday AM…. Clear of the dry air from a few days ago, Irma is free and continues to strengthen into a monster. Currently down to 937mb, Irma is packing […]
We’re ending a rollercoaster temperature week and beginning of meteorological autumn on a cool, crisp note. The first half of the week saw a rising trend in temperature ahead of an approaching Atlantic front with peak heating Wednesday followed by a sharp downward trend in the wake of the front. We peaked at 29C in […]

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