A Snow Storm or Winter Storm is a
meteorological event in which the dominant varieties of precipitation are forms
that only occur at cold temperatures, such as snow or sleet, or a rainstorm
where ground temperatures are cold enough to allow ice to form (i.e. freezing
rain). In temperate continental climates, these storms are not necessarily
restricted to the winter season, but may occur in the late autumn and early
spring as well. In very rare occasions, they may form in summer, though it would
have to be an abnormally cold summer, such as the summer of 1816 in the
Northeast United States of America. In many locations in the Northern
Hemisphere, the most powerful winter storms usually occur in March and, in
regions where temperatures are cold enough, in April.
Freezing rain storms are one of the most
dangerous types of winter storm. They typically occur when a layer of warm air
hovers over a region, but the ambient temperature is near 0°C (32°F), and the
ground temperature is sub-freezing. A storm in which only roads freeze is a
"freezing rain storm"; one resulting in widespread icing of plants and
infrastructure is an "ice storm".
While a 10 cm (4 in.) snowstorm is somewhat manageable by
the standards of the northern United States and Canada, a comparable 1 cm (0.4
in.) ice storm will paralyze a region: driving becomes extremely hazardous,
telephone and power lines are damaged, and crops may be ruined. Because they do
not require extreme cold, ice storms often occur in warm temperature climates
(such as the southern United States) as well as cooler ones. Ice storms in
Florida will often destroy entire orange crops.
Notable ice storms include an El Nińo-related Ice Storm of
January 1998 that affected much of upstate New York, part of New England and
Eastern Canada. Three million people lost power, some for as long as six
The Ice Storm of December 2002 in North Carolina resulted in
massive power loss throughout much of the state, and property damage due to
falling trees. Except in the mountainous western part of the state, heavy snow
and icy conditions are rare in North Carolina.
The Ice Storm of December 2005 was another severe winter
storm producing extensive ice damage across a large portion of the Southern
United States on December 14 to 16. It led to widespread power outages and at
least 7 deaths.
In January 2005 Kansas had been declared a major disaster
zone by the federal government after an ice storm caused nearly $39 million in
damages to 32 counties. Federal funds were provided to the counties during
January 4-6, 2005 to aid the recovery process.
The October Surprise Storm on October 12th and 13th, 2006,
buried Western New York in ice and snow as the precipitation accumulated on the
leaves of trees, which hadn't fallen off yet. This resulted in great stress to
tree branches and thousands of dollars worth of damage to the Western New York
On February 22, 2007, There was a snow storm, which caused
power outages across the Greater Toronto Area Ontario, Canada It started around
7:00am and ended at around 9:00am it was unexpected surprise to hear Thunder or
see Lightning and some people called this a Thunder