Spring Thread 2017: Northern Hemisphere (tornado, warmest, records, warming)
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1 Word.. FINALLY!! Double digit 5000' airmass!!! Looking more likely it's not a 1-2 day warm up...
If it stays "seasonable" 2nd half of May then we'll end up below normal. If we start getting well above normal days 2nd half of May then all these negative departures went to waste. lol
From May 8th. Who said models aren't trustworthy a week+ out?
Quote:
Originally Posted by Cambium
Looks like we have to wait till after mid month for 70s.
Tired of having sweatshirts still laying around to grab real quick.
Last 4 hour loop with temps. 2-6pm.
Wow at 50s in NC.
You can see Gulf moisture being dragged north.
Storm developing and a rare discussion below to see in Mid May
You don't talk about the possibility of both Jet streams phasing this time of year! Very cool.
Quote:
National Weather Service New York NY
9 PM EDT Fri May 12 2017
A northern stream closed low tracks from NW Ontario Saturday
morning to Upstate NY/New England by Sunday evening. A southern
stream shortwave rotating around the closed low triggers a
coastal low tonight over the SE. The two streams do not so much phase, as the weaker southern stream shortwave eventually gets
absorbed by the northern stream closed low by Sunday morning.
Differences in models timing of exactly when/where the shortwave
gets absorbed by the closed low, result in differences in
timing/placement and strength of the associated surface low.
What has changed somewhat from previous runs, is that it appears
there will be some deepening of the low S of Long Island vice
near/past Cape Cod. As a result, have increased QPF amounts
somewhat, see the hydrology section of the AFD for details.
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