It’s… the blob. It came from above. And it’s got the world in its grip.
And… it’s not going anywhere any time soon.
If that sounds like a trailer line for a low-budget sci-fi movie… well, it could be.
But it also fairly describes the powerful “Strong Hudson Bay Low” – an Arctic-spawned low-pressure systemthat locked in place over much of the Northern Hemisphere in mid-November. The strong, static “blocking” system is showing no sign of releasing its grip any time in the foreseeable future.
“WITH SNOW CONDITIONS IN THE UPPER COLORADO RIVER BASIN TRACKING AT JUST 31 PERCENT OF THE TOTAL AVERAGE SEASONAL ACCUMULATION AS OF MID-JANUARY, THE 2018 SEASON IS LOOKING DRYER THAN THE RECORD-DRY 2002 SEASON.”
And neither is one of the stronger regional effects of the huge low-pressure system:
An equally persistent, equally strong high-pressure ridge has locked into place beneath the blob. It sits…
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