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June 2025 discussion-obs: Summerlike


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It will become somewhat warmer tomorrow with highs reaching the lower 70s. By Wednesday, the mercury will likely reach 80°. A sustained period of above normal temperatures will then develop by midweek.

No exceptional heat appears likely through the first three weeks of June. However, that could change shortly afterward if some of the extended range guidance is correct. Excessive heat is possible starting early next week.

The ENSO Region 1+2 anomaly was +0.5°C and the Region 3.4 anomaly was 0.0°C for the week centered around June 11. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +0.30°C and the ENSO Region 3.4 anomaly has averaged -0.05°C. Neutral ENSO conditions will likely continue through at least late summer.

The SOI was -12.72 yesterday. 

The preliminary Arctic Oscillation (AO) was +0.731 today. 

Based on sensitivity analysis applied to the latest guidance, there is an implied 69% probability that New York City will have a warmer than normal June (1991-2020 normal). June will likely finish with a mean temperature near 73.5° (1.5° above normal). 

 

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8 minutes ago, TWCCraig said:

Too far out to know exacts but the latest GFS has more onshore flow than the Euro next week, so it has lower temps (mid to upper 90's) with higher humidity. Unfortunately it's been the theme of a lot of our heat waves in recent times

If the ridge gets too steep it’ll turn our winds southerly and the worst heat will overshoot our area again. Still plenty of time for that to happen. 

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the month is November 2048.  i’m outside in my ClimoSuit Sponsored by Palantir enjoying another 110 degree day—the dew point is only 73 so i can lift the face shield to get a whiff of fresh air.  i look down at my iPhone 42.  metfan has just posted a 480 hour kuchera ratio snow map from the Sri Lankan model

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Meanwhile back at the cloudy ranch hour 60 of this cloudy period

 

Latest cold period

 

Jun 14

EWR: 71 / 61 (-6) 0.31
NYC: 68 / 59 (-8) 0.23
LGA: 67 / 59 (-10) 0.13
JFK: 66 / 60 (-7) 1.00
 

 

Jun 15:

 

EWR: 65 / 59 (-11) 0.19
NYC: 64 / 59 (-10) .03
LGA:  65 / 59 (-11)  0.03
JFK: 63 / 59 (-9) 0.07
 

 

Jun 16:

 

EWR: 69 / 62 (-7) 0.03
NYC: 69 / 60 (-7)
LGA: 68 / 60 (-10) 
JFK:  70 / 60 ( -5) 

 

 

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2 minutes ago, Santa Claus said:

the month is November 2048.  i’m outside in my ClimoSuit Sponsored by Palantir enjoying another 110 degree day—the dew point is only 73 so i can lift the face shield to get a whiff of fresh air.  i look down at my iPhone 42.  metfan has just posted a 480 hour kuchera ratio snow map from the Sri Lankan model

The only snow you'll be getting in 2048 is the kind that comes from Columbia 

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32 minutes ago, Santa Claus said:

the month is November 2048.  i’m outside in my ClimoSuit Sponsored by Palantir enjoying another 110 degree day—the dew point is only 73 so i can lift the face shield to get a whiff of fresh air.  i look down at my iPhone 42.  metfan has just posted a 480 hour kuchera ratio snow map from the Sri Lankan model

Amazing post. Reminds me of the future of football in the year 17776

https://www.sbnation.com/a/17776-football

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2 hours ago, TWCCraig said:

Too far out to know exacts but the latest GFS has more onshore flow than the Euro next week, so it has lower temps (mid to upper 90's) with higher humidity. Unfortunately it's been the theme of a lot of our heat waves in recent times

18Z GFS had a backdoor cold front on Wednesday. The winds back to northeast dropping temperatures back towards more reasonably quite warm to maringally hot levels by Thursday. The GFS is extremely erratic, however, and the ECMWF a little less-so. But also the EPS trended slightly less hot than prior runs. So, wait to see more before forecasting high temperatures in the 105-108 degree range. I think we will have a chance of our first heatwave of the season and maybe the most intense heat since 2010 but we really do not know for sure yet, there's lots of time prior to next week for things to change.

WX/PT

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4 minutes ago, Wxoutlooksblog said:

18Z GFS had a backdoor cold front on Wednesday. The winds back to northeast dropping temperatures back towards more reasonably quite warm to maringally hot levels by Thursday. The GFS is extremely erratic, however, and the ECMWF a little less-so. But also the EPS trended slightly less hot than prior runs. So, wait to see more before forecasting high temperatures in the 105-108 degree range. I think we will have a chance of our first heatwave of the season and maybe the most intense heat since 2010 but we really do not know for sure yet, there's lots of time prior to next week for things to change.

WX/PT

Do the 18z EPS look as hot as the 12z did?

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5 minutes ago, Sundog said:

Do the 18z EPS look as hot as the 12z did?

This reminds me of how we model *track* snowstorms in the winter.

We have to factor climo in, the chances of getting 103+ temps ANY time, let alone June, which is the coolest of the three summer months, are about as high as getting a 30 inch snowstorm.

Yes it can happen, but the chances are slim.

 

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12 minutes ago, Wxoutlooksblog said:

18Z GFS had a backdoor cold front on Wednesday. The winds back to northeast dropping temperatures back towards more reasonably quite warm to maringally hot levels by Thursday. The GFS is extremely erratic, however, and the ECMWF a little less-so. But also the EPS trended slightly less hot than prior runs. So, wait to see more before forecasting high temperatures in the 105-108 degree range. I think we will have a chance of our first heatwave of the season and maybe the most intense heat since 2010 but we really do not know for sure yet, there's lots of time prior to next week for things to change.

WX/PT

You have to say the most intense heat since 2011, since the temperatures were higher in 2011 than they were in 2010 (although 2010 had the hotter summer and more 100 degree / 95 degree / 90 degree days of course.

If it gets to 100 areawide consider that historic especially for June.

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13 minutes ago, Wxoutlooksblog said:

18Z GFS had a backdoor cold front on Wednesday. The winds back to northeast dropping temperatures back towards more reasonably quite warm to maringally hot levels by Thursday. The GFS is extremely erratic, however, and the ECMWF a little less-so. But also the EPS trended slightly less hot than prior runs. So, wait to see more before forecasting high temperatures in the 105-108 degree range. I think we will have a chance of our first heatwave of the season and maybe the most intense heat since 2010 but we really do not know for sure yet, there's lots of time prior to next week for things to change.

WX/PT

I dont think this is going to be a 7+ day superheatwave ala 2013 or 2002 or 1999 or 1993.  I think we can hit 90 or higher from Sunday to Thursday which is a 5 day heatwave.

 

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9 minutes ago, LibertyBell said:

I dont think this is going to be a 7+ day superheatwave ala 2013 or 2002 or 1999 or 1993.  I think we can hit 90 or higher from Sunday to Thursday which is a 5 day heatwave.

 

Most recently we'll  have to beat the Jul 19 - 24 , 2022 period. 

 

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1 hour ago, psv88 said:

Another 3 pages of Liberty gibberish.

71 here today 

At least we haven't had to hear about siphoning water from the mid-Atlantic to Mars or chopping down the forests of Canada for a day or two. I think we've gone at least three days without insecticide warfare against ticks too. 

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