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Angela Cao

on 15 December 2012

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Transcript of Blizzards

Blizzards Where Do They Occur? Major Blizzard: "The Great White Hurricane" Major Blizzard: "School children's Blizzard" Typically anywhere on Earth that has the ability to produce and retain snow. -Starting on March 12, 1888 and ending on the 14th, this colossal blizzard left snow drifts in some places that were fifty feet high
-The existing telegraph system was destroyed, cutting the major cities off from the outside world for days
-Two hundred ships were lost at sea or in harbors, and over one hundred seaman perished
-Fire stations could not get their apparatus out onto the street, so the fire damage alone was estimated at over twenty five million dollars
-New York City saw a hundred people die, and in all four hundred met their end during this blizzard
-Forty plus inches of snow blanketed New York causing the city to build their underground subway system to avoid future disasters such as this one By Angela and Anna Sources How Do They Form?
. Low air pressure systems, which enhances
the winds
. temperatures below freezing to create snow
. moisture in the air to form clouds
. warm air rising over the cold to create strong winds *Cold air masses from the arctic flow
to temperate climate zones . Usually in the northern hemisphere or in very high regions like mountain peaks
. The worst blizzards in the U.S. are in the Upper Plains, (South and North Dakota, Minnesota.) Is There a Season for Blizzards? Most take place in the winter seasons when the colder
temperatures occur. . If you live in the arctic or at higher altitudes in the mountains, it could be really at anytime
. in the U.S., this season spreads from December to as late as April What is a Blizzard? "Blizzard Brings Tragedy to Northwest Plains." History.com. A&E Television Networks, n.d. Web. 11 Dec. 2012.

"Blizzard." Wikipedia. Wikimedia Foundation, 12 Aug. 2012. Web. 11 Dec. 2012.

"The Worst Blizzards in United States History." Yahoo! Contributor Network. N.p., n.d. Web. 11 Dec. 2012. -Hit the US plain states on January 12, 1888
-Killed about 235 people, many whom were school children on their way home from school and adults working on large farms
-This blizzard hit many states including Montana, North Dakota, Texas, and South Dakota
-The real killer in this storm was the frigid air advancing behind the low pressure system to replace the spring-like conditions that preceded the storm. A Blizzard's Impact . hypothermia, frostbite
. icy roads-car crashes
. power-outages . blocks roads and slows traffic-snow days! . loss of animal and plant life . destroys crops *Areas prone to blizzards won't have as high, or if any, a death toll because they are prepared. Places that don't usually have these storms will have higher tolls. . in extreme cases, death . people trapped in houses, cars, etc. "Blizzard." - Simple English Wikipedia, the Free Encyclopedia. N.p., n.d. Web. 12 Dec. 2012.

"Blizzard Effects On Humans!!!?" Yahoo! Answers. Yahoo!, n.d. Web. 12 Dec. 2012.

"Blizzard Season." ThinkQuest. Oracle Foundation, n.d. Web. 12 Dec. 2012.

"How Do Blizzards Form? Common Weather Facts." How Do Blizzards Form. N.p., n.d. Web. 12 Dec. 2012. . low temperatures
. strong winds greater than 35 mph
. blowing snow
. reduces visibility to 1/4 mile or less
for three hours or longer
. snowfall amounts don't have to be
. the strongest can bring winds over 45 mph
and whiteout conditions A severe storm that brings: Introduction - What is a blizzard?
- How does it form?
- Where do they occur?
- Is there a blizzard season?
- How do they impact us?
- Major blizzard
- Major blizzard
- Alaskan Blizzard video Alaskan Blizzard Video Conclusion *What we went over - What blizzards are
- how they form
- where they form
- when they occur
- their impact
- "The Great White Hurricane"
- "The School Children's Blizzard"
- Alaskan Blizzard video
Full transcript