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August 2013 Observations And Discussions


bluewave

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here's how 2013 stacks up with 1964 which had one of the coolest first 21 days in August...

1964's average high from the 1st to 16th was 81...it would average 81 for the first 21 days...So far 2013 is averaging 80...one degree cooler...here's how it differs from 1964...The minimum averaged 61 in 1964 and 67 in 2013...1964 averaged 81 for the first 21 days and 61 for a minimum before it hit 91 on the 22nd...it was very dry in the summer of 64...very low dew points contributed to the lower minimums...

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Both the gfs and the ecm trended stronger and furthr east with ridge and heat dome ultimately leading to warmer weather here next mon - wed/thu.  The potential for some more heat next week after this week's warmup has been there for a few model cycles. 

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Both the gfs and the ecm trended stronger and furthr east with ridge and heat dome ultimately leading to warmer weather here next mon - wed/thu.  The potential for some more heat next week after this week's warmup has been there for a few model cycles. 

 

Im thinking low 90's extending into Central PA are a possibility.  If the ridge moves east then 90's for the entire Mid Atl could happen.

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Fwiw the 18z gfs maintains higher heights through labor day with some more heat next week mon - wed and labor day weekend.  We'll see if the trend continues on the 00z guidance.  Suspect recent overall dryness may aid temps ahead of guidance. 

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Amazing weather over the past week and the very cool August is slowly beginning to back away, not before another cool shot pushes through this weekend.

 

I'm at -3.2 on the month temp wise here, and today was the hottest day so far in August at an unimpressive 86.4F. Four nights in the 50s over the past week, 53F, 53F, 54F, and 59F. Still stagnant on 90 degree days since mid July, stuck at #15. We'll see if tomorrow can do it. I'm thinking LGA and EWR probably do; NYC may top out at 89.

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Amazing weather over the past week and the very cool August is slowly beginning to back away, not before another cool shot pushes through this weekend.

 

I'm at -3.2 on the month temp wise here, and today was the hottest day so far in August at an unimpressive 86.4F. Four nights in the 50s over the past week, 53F, 53F, 54F, and 59F. Still stagnant on 90 degree days since mid July, stuck at #15. We'll see if tomorrow can do it. I'm thinking LGA and EWR probably do; NYC may top out at 89.

NYC finishes between -1.5 and -2, you think?

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Departures thru 8/20

 

NYC:  -2.4

LGA:  -2.0

JFK: -2.3

EWR: -2.9

 

What kind of standard deviations are these numbers, do you have any idea?  I'm just wondering how below normal we are, exactly.  My intuition is -2.4 isn't that much.  But... maybe it is :)

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The CFS has been doing a great  job with the August  forecast just like it did in July.

 

attachicon.gifpost-564-0-46659000-1375354808.jpg

 

attachicon.gifMonthTDeptUS.png

 

Should see a pretty impressive turn around in the midwest and GL and some mainly above normal this way the last 10 days.  The 00z guidance was warm ut shifted the core of the heat west and just brushes us with warmth on the rim of the ridge next week.  Stil think its as warm as this tue/wed part of next week mon - wed.  Perhaps anpther surge labor day weekend.  Thats an impressive ridge with some strong heat next week just to our southwest, according to the latest guidance.

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Temps will likely hit the low 90s today, in NYC/NE NJ. Dews currently in the upper 50s/low 60s.

 

yep seem to be running a couple of degrees warmer and less clouds (so far) than yesterday.  Some places second 90 degree readings this week others first since jul 23

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NYC is two degrees warmer than this time yesterday, so we should see a high at Central Park

of 89-90 today. The drier conditions this month are helping keep NYC highs closer to the other

stations this week than it was back in June and July.

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