Well Weather the Weather Whatever the Weather Whether

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/v 3/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+3 c 11201) ): display. Typ e=1: m 856 s d=cph: m 85 6 sf=3 c 1120 1,

Eisenhower Talking to Troops http: //memory. loc. gov/cgibin/query/i? amm em/presp: @field( NUMBER+@ban d(cph+3 a 26521)) : display. Type=1: m 856 sd=cph: m 8 56 sf=3 a 26521

News Reports http: //www. loc. gov /exhibits/treasure s/images/vc 68 a. 1. jpg