In article ,
Colin Youngs writes:
"John Hall" schreef

: In article ,
: Colin Youngs writes:

: "Phil Layton" schreef in bericht
: ...
: : Many flights cancelled from LHR today bound for New York, Chicago,
: : Washington & Philadelphia etc
: : Latest:
: : http://layton.me.uk/11020118us.gif

: Quite an abrupt change in the weather at Austin, Texas
: http://weather.noaa.gov/weather/current/KAUS.html

: Yes a fall from 19C to 6C within an hour, apparently with no more than
: light rain!

I was thinking particularly of the fall from 27°C to -1°C less than 24 hours
later ... and 19°C to -11°C at Abilene
http://weather.noaa.gov/weather/current/KABI.html

The latter is actually a fall from 19F to -11C, which is considerably
less impressive. You have to be careful with the units with US sites.
--
John Hall

"The covers of this book are too far apart."
Ambrose Bierce (1842-1914)