Archive for July 12th, 2017

Mesoscale Convective System sweeps over Chicago last night

Written by on July 12, 2017 in Summer 2017, United States of America with 0 Comments
Mesoscale Convective System sweeps over Chicago last night

Multiple thunderstorm clusters which merge into one large system often spanning 100+ miles during late evening and overnight is known as a mesoscale convective system. One such system crossed the open cornfields of Iowa and Illinois into the Chicago metro overnight causing power outages and flash flooding. While amazing sights on infrared, their amazing underneath with frequent lightning, […]

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Southern England gets first July soaking while Grenada, Spain hit’s 45.5C!

Southern England gets first July soaking while Grenada, Spain hit’s 45.5C!

Yesterday was a washout across the southern UK and the first of July. This was good for gardeners but not so good for sun worshippers. Yesterday afternoon’s radar. Nearly 2 inches fell in spots. Dreary old day over London. Covers were on at Wimbledon for the first prolonged period of the tournament so far. After […]

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Heat shifts from Southwest to N Plains, Southeast then back to Southwest this weekend

Written by on July 12, 2017 in Summer 2017, United States of America with 0 Comments
Heat shifts from Southwest to N Plains, Southeast then back to Southwest this weekend

Semi permanent upper level ridges over the Southwest tend to fluctuate in strength during June and July but persistency in strong 594-597dm heights this summer is unusual. These cells tend to build into the 594-600dm range for only 3-6 days before deflating and are typically followed by weaker cells but this summer wants to hold onto the heat wave producing 594 to 597dm. Heights have fallen this […]

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