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June observations and discussions...


ag3

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When I post a DGEX map, it's obviously not a forecast. I wouldve though that, after all these years on the forum, you would've been able to figure that one out.

I'm assuming he's referring to my discussions yesterday with Isotherm about the potential for a backdoor front being hinted at on the models...which a bunch of the models have now caught on to. In which case, thanks Tim..and I think the heat is delayed but not denied if that shortwave does get caught east of New England.

you were very bullish for heat in the thunderstorm thread too, euro says no back door front down this way

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Are your months off or are we talking about a different year?

After the NAO low on June 19th low, NYC had to wait until July 7th to get above

90 again.

19 83 69 76 4

20 81 67 74 2

21 82 70 76 3

22 80 71 76 3

23 71 66 69 -4

24 70 65 68 -5

25 80 64 72 -2

26 79 66 73 -1

27 82 66 74 0

28 83 72 78 4

29 82 69 76 2

30 82 65 74 -1

1 83 63 73 -2

2 86 68 77 2

3 74 69 72 -3

4 86 70 78 3

5 87 70 79 3

6 89 73 81 5

7 92 74 83 7

Last June 19th

This June 4th

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you were very bullish for heat in the thunderstorm thread too, euro says no back door front down this way

You'll notice that I did point out a few key things in that discussion. First, "looking ahead to the long range" which tips off the fact that the event is far away, second "the event is still a long ways out" and third "the forecast models have been trending away from the more aggressive height falls". I don't see any bullish forecasts for heat in there, but if you took it that way...it's my fault for giving off that idea and I apologize for the confusion.

In addition..the Euro still does have a weak semblance of a backdoor front on Monday. Temperatures over Central PA are in the 80's and 90's, while New England and parts of Long Island even to NYC are in the 60s at 18z. This is in response to the upper level shortwave myself and a few others were discussing and the subsequent marine influence in the low levels.

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euro says no back door front down this way

Also, check out the backdoor signal on the new 12z NAM. You can even see the seabreeze front being pushed inland on the 10m wind streamlines with clouds and precipitation behind it and 10kt winds near Sandy Hook and the South Shore of Long Island.

f81.gif

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After the NAO low on June 19th low, NYC had to wait until July 7th to get above

90 again.

19 83 69 76 4

20 81 67 74 2

21 82 70 76 3

22 80 71 76 3

23 71 66 69 -4

24 70 65 68 -5

25 80 64 72 -2

26 79 66 73 -1

27 82 66 74 0

28 83 72 78 4

29 82 69 76 2

30 82 65 74 -1

1 83 63 73 -2

2 86 68 77 2

3 74 69 72 -3

4 86 70 78 3

5 87 70 79 3

6 89 73 81 5

7 92 74 83 7

Last June 19th

This June 4th

EWR and others hit 90 several times between Jul1 and the 7th

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Also, check out the backdoor signal on the new 12z NAM. You can even see the seabreeze front being pushed inland on the 10m wind streamlines with clouds and precipitation behind it and 10kt winds near Sandy Hook and the South Shore of Long Island.

Lets hope thats wrong by 180 miles.

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delayed but not denied if that

Watch it, some people have had very bad success with that term. ;)

I agree though, I think we're warming up overall as the months continues. The second half of June should be warmer than normal, and probably produce our first heat wave IMO.

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Watch it, some people have had very bad success with that term. ;)

I agree though, I think we're warming up overall as the months continues. The second half of June should be warmer than normal, and probably produce our first heat wave IMO.

You and I both included, ha.

Agreed on all counts. Even the GFS Ensemble mean 500 height anomalies are getting aggressive now around mid month.

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a good analog for this year since March is 1946...It was warm in March...Cool the end of April...Warm the end of May...Cool the first week of June...then 90 degrees on June 8th...The Summer wasn't hot...1945 also had a warm March and cool first week of June...(coolest on record)...The second half of June 1945 was hot with the first 90 on 6/14 and upper 90's at months end...that summer wasn't that hot either...

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That's true but it was a slow process for the heat to build back in after the early June warmth was

interrupted by the the big -NAO.

Good point Blue wave and great illustrations and references as always.

Id say we turn our attention to fathers day weekend for the next heat signal. Lets see if we can sustain the signal on guidance as we go forward.

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You and I both included, ha.

Agreed on all counts. Even the GFS Ensemble mean 500 height anomalies are getting aggressive now around mid month.

12z Euro looks that way as well for fathers day weekend. One thing is for sure guidance wants to keep a trough into the west coast.

test8.gif

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Lets hope thats wrong by 180 miles.

Wish granted on tonight's run, partially, as the NAM shifts the 850mb thermal gradient farther north and east allowing areas in NJ and even to NYC to really torch Sunday afternoon.

f66.gif

The seabreeze front eventually takes over at 00z..notice the 10m winds

http://www.meteo.psu.edu/~gadomski/ETAPA_0z/f72.gif

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