We

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Well Weather the Weather Whatever the Weather
Whether We Like It Or Not

• Or Will We?
• The D-Day Invasion June 6, 1944

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Where to Invade?
http//www.bing.com/refference/semhtml/Nazi_German
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Where to Invade?
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ps/09/1243000000/1243343656/img/ddaylandings.gifgt
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Assignment Overview Role

• You have been appointed
• As a Meteorologist
• for the Allied Central Command.

Group Captain J. M Stagg British Meteorologist
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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.

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Factors to Consider

• phases of the moon
• pressure systems
• tides
• winds
• clouds
• visibility

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Phases of the Moon

• 8 distinct phases
• New
• Waxing Crescent
• First Quarter
• Waning Gibbous
• Full
• Waning Gibbous
• Third Quarter
• Waning Crescent

.
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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

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Tides
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Winds

• Strong Winds
• associated with cold fronts and high pressure
  gradients

• Calm Winds
• associated with areas of high pressure and calm
  atmosphere (no fronts)

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Clouds
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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.

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Working on D-Day Weather Chart
http//www.metoffice.gov.uk/corporate/pressoffice/
anniversary/dday.html
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D-Day Weather Chart
http//www.metoffice.gov.uk/corporate/pressoffice/
anniversary/dday.html
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Invasion Photo
http//lcweb2.loc.gov/cgi-bin/query/i?pp/ils_at_fiel
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cphm856sf3c11201,
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Eisenhower Talking to Troops
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News Reports
http//www.loc.gov/exhibits/treasures/images/vc68a
.1.jpg