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Old 04-12-2017, 01:58 PM
 
Location: Buxton, England
658 posts, read 359,643 times
Reputation: 384

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Quote:
Originally Posted by tom77falcons View Post
I don't understand this comment. What do you mean 4 degrees? Avg high and low are separated by more than 4 degrees.
To quote the original post...

Quote:
Originally Posted by B87 View Post
Let me guess, that will be highs of 21c and lows of 17c, wth loads of cloud and rain in July and August.

He said according to some model output that London might have an average low and high of 17/21 in a wetter and warmer than average summer.

21 - 17 = 4.

There has never been a summer month in London with such a small diurnal range so it's likely not going to happen.

 
Old 04-12-2017, 02:44 PM
B87
 
Location: Surrey/London
11,769 posts, read 10,595,401 times
Reputation: 3099
I wasn't being serious, just hinting at the fact that 1c above average would probably mean we'd still have cool days and mild nights, with loads of rain and cloud, as we haven't had a decent summer in ages.
 
Old 04-17-2017, 04:06 AM
 
29,522 posts, read 19,616,477 times
Reputation: 4542





Just great






https://weather.com/news/weather/new..._WX_JE_41717_1
 
Old 04-17-2017, 07:09 AM
 
29,522 posts, read 19,616,477 times
Reputation: 4542
On the other hand, JMA is torching us, May, June, and July

https://twitter.com/BenNollWeather/s...25881168838656
 
Old 04-17-2017, 09:04 PM
 
135 posts, read 90,613 times
Reputation: 115
A cooler than normal summer would be interesting, seems like we haven't had one of those since the 90s lol.

Those color code things they do can be really misleading though... 'red' should only be used if the average temps are gonna be like 10+ or higher or something, not 2 or 3. What does 'much above average' mean exactly, don't they say?
 
Old 04-18-2017, 12:06 AM
 
Location: Laurentia
5,576 posts, read 7,998,619 times
Reputation: 2446
Some forecasts (be they based on analogs, ocean temperatures, or models) say warmer, some say cooler; some say one pattern, others the opposite pattern. In other words, this year we have the usual sum of summer seasonal forecasting 2 months out - no one really knows what will happen. My usual recommendation - just wait and see what happens.
 
Old 04-19-2017, 02:46 PM
 
Location: Near the Coast SWCT
83,516 posts, read 75,307,397 times
Reputation: 16619
Default Summer summer summer

:: Summer 2017 Forecast from Accuweather ::


Can't find the public version. This is from the Accuweather Pro site.






Key Points:







Risk Factors:





Drought Concerns.





Flood Concerns:





El Nino or No?


Quote:
" The graphic below is the three ENSO predictions made by three models. The dash line is when El Nino arrives. Our team has been watching the trends of ENSO very closely. We have noticed that winds over the central Pacific are still not supportive of El Nino. Water depth temperatures are still running cooler in this area. Eastern areas off the South American coast warmed significantly in March. However, over the past week, we have seen a decrease in SST anomalies in this area. Once again, we need to stress the spring barrier of the models that can give false trends. New trends show a slower progression into El Nino, possibly holding off until mid- to late summer, which has been our overall thinking. This El Nino is not expected to be strong, but more weak to moderate, peaking out sometime in the late fall.

Other tele-connection predictions...

ENSO - Becoming a weak El Nino

PDO - Neutral to slightly positive

QBO - Positive perhaps not going back to negative until mid- or late winter

AMO - Positive but trending neutral "





Quote:
So when you look at the all the teleconnections and other factors, these are the best years and weights put together. But years like 2012, 1972 and 1957 are still floating out there that can be pulled into this mix. We need to see what the overall spring will wind up to determine the best years and weights. The analogs on the map below are 1963 (2x), 1965, 1991, 2002 (3x), 2006 (2x) and 2009.

 
Old 04-20-2017, 08:29 AM
 
Location: Mid Atlantic USA
12,623 posts, read 13,927,203 times
Reputation: 5895
Quote:
Originally Posted by Cambium View Post
:: Summer 2017 Forecast from Accuweather ::


Can't find the public version. This is from the Accuweather Pro site.



I like that part about thunderstorms in the central to lower Mid-Atlantic. I hope so.
 
Old 04-20-2017, 09:32 AM
 
29,522 posts, read 19,616,477 times
Reputation: 4542
https://twitter.com/NWS/status/855070921425637376
 
Old 04-20-2017, 10:30 AM
 
Location: South Jersey
14,497 posts, read 9,432,221 times
Reputation: 5251
Quote:
Originally Posted by chicagogeorge View Post
Seems like same old, same old. June being really hot, and relief arriving in August.
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