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Everything posted by Stormchaserchuck1
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2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
closed 500mb https://ibb.co/Fg4gcGV -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
19z Hrr appears to be shifting a little south vs 18z. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
19z RAP gives DC 4". -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
It's transferring, but yeah a little SW. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
Low pressure is on the VA/NC border at 16hr vs being off the coast of OC 22hrs 12z. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
Precip not in NYC at 14hrs vs being in central Mass at 20hrs 12z. Storm is a little SW. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
Pretty big differences on the 18z NAM for being 10hrs out.. sea-level low is further SW. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
wow.. still stronger near NYC -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
18z Hrr is trending a little south 17hr vs 17z -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
whoa the 17z RAP still snowing -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
3z RAP isn't impressive down here, It's similar to the 0z GFS. SNE gets nailed on it though. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
Fwiw, 2z RAP is SE of the 0z GFS with SLP at 21hr. https://ibb.co/s9XvCSg -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
New superstition: unpin threads that are going to snow. That one thread that we had pinned it was 80 degrees the day before. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
BAM. 2" in NE, MD on the 0z Hrrr -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
0z vs 18z Hrrr so far https://ibb.co/0ZvwBnb -
I forecasted a +PNA, but a lot of the CPC's calculations include Alaska and the Gulf of Alaska.. I'm mostly referring to Aleutian islands central-north N. Pacific trough, in reference to +PNA. In that regard, this Winter has not matched usual ENSO correlations, and really the whole event has been like that, since the Nino developed in April.
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2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
21z RAP -
I edited to say that storms are digging into the West coast with more frequency though.. And general High pressure over the SW hasn't been as constant a force the last few years... so maybe we are starting to change the longer term processes (related to the Hadley-mid latitude Cell)?
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You're right.. I underrated the -PDO this year. 5/5 non+PNA Mod/Strong Nino Winter's is a pretty compelling stat! If -PNA is wetter and +PNA is drier, imagine how much the difference is if you don't account for ENSO! +PNA's have been associated with El Nino's 80% of the time historically, and visa-versa. With wetter than average conditions in El Nino, what a difference the PNA makes in precip-correlation in non-ENSO times. That's why -PNA's in El Nino's have been historically good with -NAO/AO conditions. The Hadley Cell is just expanded right now.. With storms digging into the West Coast the last two Winters though, I don't know that, that isn't in the process of changing..
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2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
18z Hrr has a brief period of snow at the end. -
Major trough in the NW on LR 12z GEFS.. that's been the Spring pattern lately. https://ibb.co/ZBq1Dqm
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I know if we get a Stratosphere warming soon, like a lot of models are saying, we could get a bigger -NAO down the line. That was really my basis for thinking this could be a better Winter. This will be the 3rd Stratosphere warming.. another strong ENSO/strong QBO hit on 10mb conditions.
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I like the EPO negative, and +PNA we haven't really seen this Winter. I was just pointing out that LR models have been really bad, they keep showing an El Nino pattern, but since the El Nino developed in April, we never had a +pna. In Oct-Nov, I was saying the mean pattern in the SW N. Pacific was a ridge for a Strong Nino! It's no surprise the Euro weeklies busted and we only have some weak +pna in the medium range here. I'm worried that next Winter the pendulum may swing completely toward what you are calling -PDO. I get what you are saying about patterns that used to work.. and I agree, the PNA has a precipitation correlation here that is actually greater than the temperature correlation in the Wintertime! That means, the net air temps+precip makes -PNA more favorable for snow than +PNA. The deceiving thing is coastal lows form much stronger in +PNA, there is a +0.3 correlation vs -0.3 for -PNA.. so if you look at SLP you would say +PNA Is the obvious better pattern for snow. I think it's somewhat +AMO related. We've been getting this ridge where the Hadley Cell meets the mid-latitude Cell.. it started on the West coast, and especially the SW where it stopped raining after 1995. The Pacific Jet used to go into SF a lot, now it doesn't even rain there anymore.. the jet goes all the way up into Alaska.. Over the last few years, that pattern in the mid-latitudes has made it to the east coast. The AMO changed in 1995, so I would say maybe wait for that to wane.. also, according to the CPC we aren't getting -NAO's nearly as much these days, and the WPO has been positive a lot.
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Man that 50/50 low really went away. What a bad modeled feature!
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Yeah we got 7-9"! Too bad it was the very middle of Winter in an ultra-favorable blocking pattern lol. We aren't doing it any other way these days.
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