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Everything posted by Stormchaserchuck1
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As that Arctic low grazes Alaska, I think there is potential that the correlating +EPO ridge could overperform http://www.meteo.psu.edu/ewall/ENSHGTAVGNH_12z/ensloopmref.html I have seen ridges flex during -NAO's too many times recently.
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El Nino 2023-2024
Stormchaserchuck1 replied to George001's topic in Weather Forecasting and Discussion
The two inverse-beats 72-74 and 97-99 were both central-subsurface cold in 72-73 and 97-98, so you can make a case for the central subsurface also evening-out to not go so extreme. Central-Subsurface last Winter was positive, so using that method a subsurface Super Nino is needed this Winter to do #1. -
2023 Mid-Atlantic Severe Wx Thread (General Discussion)
Stormchaserchuck1 replied to Kmlwx's topic in Mid Atlantic
I'm telling you, it's warming up quickly this morning under clear skies. If a line/storms get going, there is a signal that they could maintain. Question is how far west. https://ibb.co/tYFJkfQ https://ibb.co/GpSKhDt- 2,785 replies
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2023 Mid-Atlantic Severe Wx Thread (General Discussion)
Stormchaserchuck1 replied to Kmlwx's topic in Mid Atlantic
Getting hot already, and clear skies in Bel Air, MD.- 2,785 replies
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El Nino 2023-2024
Stormchaserchuck1 replied to George001's topic in Weather Forecasting and Discussion
Yeah, if the ONI is 4.2 and the subsurface is negative, you would be more likely to see a -PNA pattern in the N. Pacific. I know it's getting old, but I'm just sayin' -
2023 Mid-Atlantic Severe Wx Thread (General Discussion)
Stormchaserchuck1 replied to Kmlwx's topic in Mid Atlantic
Still some instability here in Harford Co. I wouldn't be surprised if the severe risk extends back a little west for tomorrow.- 2,785 replies
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El Nino 2023-2024
Stormchaserchuck1 replied to George001's topic in Weather Forecasting and Discussion
72-73, believe it or not, was a La Nina in the subsurface. That is one time of many the subsurface waters correlated with N. Pacific 500mb vs .16, .21, and .25 sigma levels. -
We are getting so much precipitation. I would love for this pattern to last into the Winter... 2018, 2021 and I think 2022 were false alarms (summer/fall pattern), but we were heavy -PNA then, which we don't have now. 4th favorable summer season start but we have an El Nino now, so it's looking good for now. central-ENSO-subsurface is what I look for, and that is starting to warm again. today and yesterday west and central subsurface have gone Weak-El Nino again, which favors N. Pacific Low.
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El Nino 2023-2024
Stormchaserchuck1 replied to George001's topic in Weather Forecasting and Discussion
I measured the trend once, and found no correlation. + or - subsurface raw is the better indicator. -
Pretty nice August warm up here.. https://ibb.co/VBYN03V I should have guessed when summer max's started passing, we would finally get warm. 594+dm Crazy how these things continue to happen with a -NAO/AO.
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See, we are seeing this happen again. -NAO's are associated with our warmest times. Inversely, +NAO's could be associated with our coldest times. If this continues into the Winter, I think it could be particularly snowy/wet, given the El Nino. https://ibb.co/fndjcLL
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That's a great picture. It's been a pretty earth all summer.
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https://ibb.co/MRC39bT
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Winter 2023-2024
Stormchaserchuck1 replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
I wonder, if the subsurface configuration doesn't change, if we see a balance between +PNA's and -PNA's this winter. -
Winter 2023-2024
Stormchaserchuck1 replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
PNA pattern, especially in the Winter time. (I guess a lot of lingering negative indicators like the -PDO, are correlating here with the central subsurface region.) -
Winter 2023-2024
Stormchaserchuck1 replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Believe it or not, the ENSO subsurface (I've found to be the strongest indicator overall) is barely positive. https://ibb.co/ZWhRppb -
Winter 2023-2024
Stormchaserchuck1 replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Last Winter the method finished at about +0.30, and the CPC NAO verification was +0.22 -
Winter 2023-2024
Stormchaserchuck1 replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Region A = +0.30, Region B = +0.13 A-B/2 = +0.08 DJFM NAO prediction +0.08 Winter NAO, 65% of the time (May-Sept) through https://ibb.co/56L3cZX If it were to end today, 50% chance for -0.46 to +0.62 (0.54SD) DJFM -
2023 Mid-Atlantic Severe Wx Thread (General Discussion)
Stormchaserchuck1 replied to Kmlwx's topic in Mid Atlantic
That's probably true. 74* and Rain here, I don't see how this is going to get to be that strong.- 2,785 replies
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2023 Mid-Atlantic Severe Wx Thread (General Discussion)
Stormchaserchuck1 replied to Kmlwx's topic in Mid Atlantic
It's only 88F today, not really high enough to validate all this high risk stuff.- 2,785 replies
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2023 Mid-Atlantic Severe Wx Thread (General Discussion)
Stormchaserchuck1 replied to Kmlwx's topic in Mid Atlantic
Rain today may depress the threat for severe wx tomorrow.- 2,785 replies
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Winter 2023-2024
Stormchaserchuck1 replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
65-66 and 72-73 -PNA's are the only breaks.. besides that you are like 20/22 in satellite era for stronger events (El Nino = +PNA or GOA low and La Nina = -PNA or GOA high). -
Winter 2023-2024
Stormchaserchuck1 replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Try correlating that atmospheric layer to something like the PNA or North American pattern.. you'll find it's pretty useless as an indicator. Nino 3.4 SSTs have a higher correlation to the pattern. I made a time series a while ago of ENSO variables, and those 3 sigma levels ranked pretty low. Nino 3.4 and 3 SSTs are better. -
Nice picture. It makes me think of: Earth for sale. Build your $1,800,000 house. only 40-50% taxes. Just an out of place energy.
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Models shifted warmer today. I've actually never seen such a great 1-day change over the PNA region. https://ibb.co/9yw36D5 With a somewhat stronger SE flow in the medium-range, I would watch for a severe wx threat Aug 7-10, as the +PNA cold front moves through for mid-month. Models are showing this Aleutian low on the order of -300dm Days 8-10.
