Blizzard
Blizzard is a severe weather condition characterized by low temperatures, strong winds, and heavy snowfall. The term is often used to describe a snowstorm where visibility is reduced to 1/4 mile or less for at least three hours due to falling and/or blowing snow. Blizzards can lead to life-threatening conditions, including hypothermia and frostbite, due to the combination of cold and wind, and can severely impact travel and infrastructure.
Definition[edit | edit source]
A blizzard is defined by the National Weather Service as a storm with winds of 35 miles per hour or more, considerable falling and/or blowing snow reducing visibility to less than one-quarter mile, and lasting for three or more hours. The criteria for what constitutes a blizzard can vary by region, but the emphasis is always on the combination of wind, cold, and low visibility.
Types of Blizzards[edit | edit source]
There are several types of blizzards, including:
- Classic Blizzard: Characterized by significant snowfall, high winds, and cold temperatures.
- Ground Blizzard: Occurs with no new snowfall but involves snow already on the ground being whipped up by strong winds.
- Snowstorm: While not all snowstorms reach blizzard status, those that do are marked by intense snowfall rates and significant accumulations.
Causes[edit | edit source]
Blizzards are caused by a combination of factors, including cold air masses, moisture, and atmospheric instability. They often develop on the leeward side of mountain ranges, which create a natural barrier that can enhance the conditions necessary for blizzard formation. Additionally, the collision of cold and warm air masses can lead to the development of a strong low-pressure system, which is conducive to blizzard conditions.
Impacts[edit | edit source]
Blizzards can have widespread impacts on both the natural environment and human society, including:
- Transportation: Air and ground travel can be severely disrupted, leading to delays and accidents.
- Infrastructure: The weight of snow and ice can cause damage to buildings and power lines, leading to power outages.
- Agriculture: Livestock and crops can be adversely affected by extreme cold and snow cover.
- Health: The risk of hypothermia, frostbite, and heart attacks increases during blizzard conditions.
Safety and Preparedness[edit | edit source]
Preparation for a blizzard involves several steps, including stocking up on food, water, and medical supplies, ensuring that heating systems are functioning properly, and staying informed about the weather through reliable sources. During a blizzard, it is advisable to stay indoors, keep warm, and avoid unnecessary travel.
Historical Blizzards[edit | edit source]
Several notable blizzards have occurred throughout history, including the Great Blizzard of 1888 in the United States, which caused significant loss of life and property damage, and the 1993 Storm of the Century, which affected a large portion of the Eastern United States.
See Also[edit | edit source]
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD
WikiMD's Wellness Encyclopedia |
Let Food Be Thy Medicine Medicine Thy Food - Hippocrates |
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian
Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.
Contributors: Prab R. Tumpati, MD