We’ll Weather the Weather
Whatever the Weather
Whether We Like It Or Not
Or Will We?
The D-Day Invasion: June 6, 1944
Where to Invade?
http://www.bing.com/refference/semhtml/Nazi_Germany
Where to Invade?
<http://news.bbc.co.uk/cbbcnews/v3/spl/hi/image_maps/09/1243000000/1243343656/img/ddaylandings.gif>
Assignment Overview: Role
You have been appointed
As a Meteorologist
for the Allied Central Command.
Group Captain J. M Stagg
British Meteorologist
Assignment Overview:
Responsibilities
You are charged with the job of advising General
Dwight D. Eisenhower, the Supreme Allied
Commander, on the weather conditions in the
European Theatre.
Your present responsibility is to be trained as a
meteorologist and then assess the risk posed by
the weather if an invasion of Europe is to be
attempted.
Factors to Consider
•
•
•
•
•
•
phases of the moon
pressure systems
tides
winds
clouds
visibility
Phases of the Moon
• 8 distinct phases
•
•
•
•
•
•
•
•
New
Waxing Crescent
First Quarter
Waning Gibbous
Full
Waning Gibbous
Third Quarter
Waning Crescent
.
Pressure Systems
High Pressure
• rotate clockwise in Northern
•
•
•
•
•
Hemisphere
rotate counter clockwise in
Southern Hemisphere
dry air
clear skies
warm fronts
little, if any, precipitation
Low Pressure
• rotate counterclockwise in the
Northern Hemisphere
• rotate clockwise in the
Southern Hemisphere
• cold fronts
• storms
Tides
Winds
•
Strong Winds
associated with cold
fronts and high
pressure gradients
•
Calm Winds
associated with areas
of high pressure and
calm atmosphere (no
fronts)
Clouds
Visibility
• In meteorology, visibility is a measure of
the distance at which an object or light can
be clearly discerned.
• It is reported in meters or statute miles
depending upon the country.
Working on D-Day Weather Chart
http://www.metoffi
ce.gov.uk/corpora
te/pressoffice/anni
versary/dday.html
D-Day Weather Chart
http://www
.metoffice.
gov.uk/cor
porate/pre
ssoffice/an
niversary/
dday.html
Invasion Photo
http://lcweb
2.loc.gov/cg
ibin/query/i?
pp/ils:@fiel
d(NUMBER
+@band(cp
h+3c11201)
):displayTyp
e=1:m856s
d=cph:m85
6sf=3c1120
1,
Eisenhower Talking to Troops
http://memory.loc
.gov/cgibin/query/i?amm
em/presp:@field(
NUMBER+@ban
d(cph+3a26521))
:displayType=1:
m856sd=cph:m8
56sf=3a26521
News Reports
http://www.loc.go
v/exhibits/treasur
es/images/vc68a.
1.jpg