Title: Blizzards
1Blizzards
By Christina Samaan, Elissa Cibulka, Jenna
Shick, and Lauren Batu
2Blizzards form when two air masses of different
temperatures collide. Winter storms usually form
when an air mass of cold, dry, Canadian air moves
south and interacts with a warm, moist air mass
moving north from the Gulf of Mexico. The point
where these two air masses meet is called a
front. If cold air advances and pushes away the
warm air, it forms a cold front.
3Blizzards are long-lasting storms and has very
strong winds with intense snowfall. You need
three things to have a blizzard cold air at the
surface, lots of moisture, and lift. Warm air
must rise over cold air.
4How Long a Blizzard Lasts
Blizzards usually last only a day in one
location, since the wind usually moves them along
quickly. Sometimes, though, you get a cut-off
low, which is a storm system that is cut off
from the wind. These cut-off lows can create
blizzards (particularly in mountainous regions)
that can last as long as a week.
5- Blizzards can occur in any location that has a
climate that experiences snowfall. - A blizzard can happen anytime between November
and April - What can you expect to see during a Blizzard?
- Snow
- Rain
- Hail
- Ice
- High Winds
-
6Blizzard Safety
- Stay Indoors.
- If you must travel, do so during daylight.
- If you are outside find shelter.
- Try to stay dry and cover all exposed parts of
your body. - Keep a kit to put a blanket, extra food, water, a
flash light and a first aid kit - Always have a disaster plan ,so your always ready
7What is a Blizzard?
- A storm which contains large amounts of snow or
blowing snow - Winds of excess of 35 MPH
- Visibility of less than ¼ mile for at least 3
hours
8Interesting Fact !!
In the 1870s an Iowa newspaper used the word
blizzard to describe a snow storm. Previously,
the term blizzard referred to a cannon shot or a
volley of musket fire. By the 1880s,the use of
the word blizzard was used by many across the
U.S. and England.
9THE END!!!