Royal birth weather: London’s hottest day in seven years

It was a toasty warm welcome for the Royal Baby boy:  the air temperature in London soared to a high of 92 degrees (33.5 C) Monday, the hottest temperature since July 19, 2006.


Temperatures in dew points in London Monday compared to average (Wundergound.com)

At the actual time of the Royal Birth, at 4:20 p.m., the air temperature at London Heathrow was 90 degrees (32 C) with a gentle breeze from the south-southwest at 8 mph (13 kph).  The high of 92 was some 20 degrees above normal.

The momentous day for Prince William  and his wife, Catherine, Duchess of Cambridge, coincided with the final day of a lengthy heat wave in the United Kingdom.

“Britain has … experienced its longest stretch of hot weather since 19 days in the summer of 1997, with 17 consecutive days of temperatures of 28C,” wrote the UK Telegraph.

Overnight Monday and into this morning, as if it was applauding, the atmosphere erupted with thunderstorms, and the heat wave broke.

Jason is currently the Washington Post’s weather editor. A native Washingtonian, Jason has been a weather enthusiast since age 10.
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Heat Tracker

32
90-degree days year-to-date
Yearly Average
36
Record Most
67 (1980,2010)
Record Fewest
7 (1886,1905)
Last Year
24

At a Glance

Thu.

thunderstorms
-- /92°
Drop 60%

Fri.

sunny_clear
72° /91°

Sat.

partlycloudyday
70° /91°

Sun.

sunny_clear
73° /90°

Mon.

thunderstorms
76° /93°

Tue.

partlycloudyday
76° /93°
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Jason Samenow · July 23, 2013