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July 2012 Observations and Discussions


NEG NAO

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Do most of us remember forecasts late last week that said we'd be lucky to get into the 70s this week? now some spots may approach 90 over the next few days...

it's the same pattern as last winter-the warmth over-performs and any cooldown is muted and underperforms....with the except of the 1st three weeks in June-we have been in an endless torch

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if the nam is right, our break in the 90 degree temps will have only lasted 3 days

If previous NAM verification trends are any indication, the NAM slightly underestimated temperatures 30+ hours out for the last 2 days before trending a bit warmer in the 24 hour range.

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if the nam is right, our break in the 90 degree temps will have only lasted 3 days

Yeah i think once past today the only thing stopping us from getting to and above 90 (thu - sun) would be clouds/storms. Looking like guidance is also trending hotter by Mon - fri (7/16 - 7/20) next week, peaking wed/thu.

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West based -NAO blocking has been a very stubborn feature since we turned the calendars to meteorological summer. Interestingly enough we've seen a -NAO for the past several summers. I don't see it as much of a clue for the ensuing winter; we could easily flip to positive again by mid autumn.

The excessive warmth that initiated across North America in late 2011 basically continues unabated. Will be interesting to see when we finally see some cool anomalies dominating on our continent. I don't think it'll be for the next month at least -- August should be very warm for the CONUS as well IMO.

The pattern here looks like a very warm/humid one with more storminess in the medium range. We'll reach the 90s but I'm not seeing another 3-5 day stretch of blistering 95+ heat for the next couple weeks.

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This looks like the most humid air of the summer so far moving in by Sunday. The models are hinting at dewpoints

above 70 degrees. Even though the GFS may be overdone on its moisture, we could see PW's around 2.00 in

and locally very heavy downpours with any convection that may form.

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The lawns are really starting to get disgusting outside, several missed rain opportunities, barely had a drop the past two weeks.

isn't it better this way? much less yard work

endless torch will do that...dry begets dry

me thinks that ends next week as the tropical like feed really opens up on the east coast

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12z euro moved towards its ensembles and the gfs now for Sunday. Has a wet day for the majority of the early hours to mid afternoon.

.75" ish of rain from 2AM to 2PM.

we need all we can get before the next surge of heat

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we need all we can get before the next surge of heat

In all fairness, the actual heat ridge is well west of the area and the hottest temps are midwest and west.

Tuesday and Wednesday are both 95+ degrees on euro but its not from a ridge or sustained heat source.

But regardless, its still hot.

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95+ and dew points in the 70s feels far worse than 100+ and dews in the mid 60s, so this may be the most uncomfortable stretch we've seen thus far.

Dew Points start rising by tomorrow and keep increasing through all of next week. Even days of 88-92 will feel uncomfortable.

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if i'm not mistaken, we really didn't have a strong bermuda sfc high last summer or during summer 2010. it probably explains some of the complaints about a lack of widespread convection... we get the most activity when there's moist southerly/sw'erly flow

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I still have my doubts about Sunday and the amount of rain

Theve gotten a decent amount of rani down by DC/BWI/VA the last few days. I dont see why we couldnt have a similar setup on Sunday.. When its sunny we're going to be failry warm.

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