Transcript The Cloud Whisperer

The Cloud Whisperer
• Drill: What was the worst storm you have
experienced? Describe the temperature,
precipitation, and circumstances you were in?
• Objective: SWBAT identify conditions, weather,
and safety precautions associated with storms in
order to create an informative presentation.
• HW: Lab due Friday.
Storms
Video
• http://www.youtube.com/watch?v=OdcCMn5s
bzM&feature=related
Example
• The North American blizzard of 2005 was a threeday storm that affected large areas of the northern
United States, dropping more than 3 feet (0.9 m) of
snow in parts of southeastern Massachusetts, as well as
much of the Boston metropolitan area. While this was
by far the hardest hit region, it was also a significant
snowstorm for the Philadelphia and New York City
areas, which both suffered occasional blizzard
conditions and 12-15 inch (30-38 cm) snow
accumulations.
Counter clockwise = Cyclone
Wikipedia.com
Winter Storm
• Ingredients for Formation
– Warm moist air from the South
– Cold polar (continental polar) air flowing from the North
• Must be cold enough to cause freezing
– Stationary fronts or Warm fronts lead to winter storms.
– Jet stream usually dips down allowing polar air to affect the
warmer southern air (maritime tropical)
– The amount of snow or ice produced depends on the length
of time the cold air is held in place and the amount of warm
moist air pumped into the cold air.
Precipitation
• Ice Storms: Sleet/Freezing Rain/Hail
– Rain encounters cold temps at or near the surface
– Results in accumulation of ¼ in or more of ice
• Rain = Nor’easter
– Named after strong North East winds produced
– Warm moist air from the Gulf clashes with cold
polar air from Canada.
– Accompanied by strong winds and heavy rains.
– Moves very slowly increasing the amount of damage
to an area.
Precipitation
• Blizzards / Lake Effect: Snow
– Low temps, usually 20 degrees or below
– Wind speeds at least 35 mph
– Jet stream dips down allowing cold polar air to strike
moist warm air.
Caution!!!!
• SAFETY
• Don’t Drive: Only a small amount of
precipitation can be dangerous.
• The high winds cause heat loss so bundle up.
• Generators, alternative source of heat, and lots
of blankets available.
• Stay in a warm protected building.
• Always have extra food, water, and batteries.
Did I miss anything?
• Like / Helped
• Didn’t like / Hindered
Feb
th
16 ,
Cloud Whisperer
• Drill: Cloud shapes and heights would help
people predict approaching weather. What
information can we gain about clouds using
technology? How does it help predict weather?
• Objective: SWBAT identify conditions, weather,
and safety precautions associated with storms in
order to create an informative presentation.
• HW: Lab due Friday
Today, you will:
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Establish group roles
Determine if you are creating a poster or ppt.
Establish individual goals.
Begin work!
Feb.
th
17 ,
Storms
• Drill: List two interesting facts about your
storm type.
• Objective: SWBAT identify conditions, weather,
and safety precautions associated with storms in
order to create an informative presentation.
• HW: Lab due Friday