US OUTLOOK: Cool Rules With Distinct Lack Of 90-Degree Days

Written by on August 13, 2014 in United States of America with 0 Comments

With the exceptions of the West and perhaps surprisingly, East Coast, it’s been a cool, wet but comfortable, low energy summer with a distinct lack of 90 degree heat.

The East Coast itself has been average to slightly above average but that’s largely down to warm water keeping the air more humid thus keeping nights warmer.

Unsurprisingly, July was coolest since 2009.

Source: NOAA

Source: NOAA

To put this summer’s coolness in perspective, cities stretching from the Plains to East coast have seen far fewer 90s than normal.

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Summer departures. Via AccuWeather.

City Departure
Oklahoma City, Oklahoma -2.0 degrees
Indianapolis, Indiana -2.3 degrees
Bismarck, North Dakota -1.8 degrees
State College, Pennsylvania -2.0 degrees
Atlantic City, New Jersey -1.4 degrees
Dover, Delaware -1.9 degrees

Despite warmer than normal, there’s been far fewer 90s up and down the East Coast with NO heatwave (3 day stretch of 90+) north of DC.

Memphis, TN back in 2007 endured 28 straight days of 95+, this summer they’ve had just 1.

Following a very cold winter and coldest March day in recorded history (high of 5F), Kansas City is also enduring a cool summer with a maximum of just 96. Here’s a chart from the NWS showing summer maximums with noteworthy cool summer maximums highlighted. Coolest was just 90 back in 1915.

Source: NWS Kansas City

Source: NWS Kansas City

As for number of 90 degree days, KC ties 3rd for least on record.

Source: NWS Kansas City

Source: NWS Kansas City

No of 90s vs normal

Chicago 3 / 13

New York 4 / 13

Okla City 25 / 45

Sioux Falls, SD 3 / 13

Pittsburgh 0 / 7

Indianapolis 0

Though cool rules August, there’s some warmth to be had according to CFSv2

August

usT2mMonInd1

Next 1-2 weeks

wk1_wk2_20140811_NAsfcT

Pattern, global sea surface temp profile, El Nino, solar all point to a cold, snowy East, Southeast winter in 2014-15! The Jamstec sees it!

temp2_glob_DJF2015_1jul2014

 
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