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Severe and hazardous weather events

312 articles

Nor'easter

A nor'easter is a powerful coastal storm that moves up the East Coast of North America, bringing strong northeast winds, heavy snow or rain, and coastal flooding.

North American blizzard of 1996

The North American blizzard of 1996, commonly called the Blizzard of '96, was a severe nor'easter that struck the eastern United States from January 6 to 8, 1996.

Northeastern United States blizzard of 1978

The Northeastern United States blizzard of 1978, often called the Blizzard of '78, was a nor'easter that struck New England on February 5-7, 1978, paralyzing Boston for about a week.

November 2014 Bering Sea cyclone

The November 2014 Bering Sea cyclone was an extratropical storm from the remnants of Typhoon Nuri that deepened to 924 millibars, among the strongest North Pacific cyclones recorded.

October 2021 Northeast Pacific bomb cyclone

The October 2021 Northeast Pacific bomb cyclone was an explosively deepening extratropical cyclone that struck the Pacific Northwest on October 24, 2021, reaching a record-low pressure of 942.5 mb.

Overpass myth

The overpass myth, also known as the tornado overpass myth, is the mistaken belief that highway overpasses provide safe shelter from tornadoes, a practice weather agencies warn against.

Pacific Northwest windstorm

A Pacific Northwest windstorm is a strong midlatitude cyclone that hits Oregon, Washington, and southern British Columbia with damaging winds, most often between November and February.

Palisades Fire

The Palisades Fire, a wind-driven wildfire, ignited on January 7, 2025 in Pacific Palisades, Los Angeles, burning 23,448 acres, destroying 6,845 structures, and killing 12 civilians.

Peshtigo fire

The Peshtigo fire, also called the Great Peshtigo Fire, was an 1871 firestorm in northeastern Wisconsin and Michigan that killed over 1,150 people, the deadliest wildfire in United States history.

Rain of animals

A rain of animals, also called raining animals, is a reported weather event where fish or frogs fall from the sky, explained by tornadoes and waterspouts.

Red flag warning

A red flag warning is a National Weather Service alert that critical fire weather conditions, such as strong wind and very low humidity, are occurring or expected within about a day.

Royal Charter Storm

The Royal Charter Storm, also called the Royal Charter Gale, struck the Irish Sea and west coast of Britain in October 1859, destroying 133 ships and killing about 800 people.

Severe weather

Severe weather, also called bad weather, is any hazardous atmospheric event threatening life or property, most commonly a thunderstorm with a tornado, large hail, or 58 mph winds.

Severe weather terminology (United States)

Severe weather terminology in the United States is the National Weather Service's tiered system of outlooks, watches, advisories, and warnings, with warnings issued when hazardous weather is imminent.

Smokehouse Creek Fire

The Smokehouse Creek Fire was a February 2024 wildfire that burned over 1 million acres in the Texas Panhandle and Oklahoma, the largest on record in Texas.

Snow squall

A snow squall is an intense but brief period of heavy snow and gusty winds that can turn clear skies to whiteout in minutes and cause highway pileups.

South American Tornado Alley

South American Tornado Alley, or Pasillo de los Tornados, is the region of southeastern South America spanning Argentina, Paraguay, Uruguay, and southern Brazil most prone to tornadoes outside North America.

Spokane area fires

The Spokane area fires, also known as the Spokane Complex fires, are the major wildfire disasters of Spokane County, Washington, from the Great Fire of 1889 to 2026.

Squall

A squall is a sudden, strong increase in wind lasting minutes, often with a shower or thunderstorm; in nautical use it names the whole local storm.

SRV Dominator

The SRV Dominator, or Storm Research Vehicle, is a series of armored tornado intercept vehicles owned by meteorologist Reed Timmer and featured on Discovery Channel's Storm Chasers.

St. Louis tornado history

St. Louis, Missouri, has one of the most extensive tornado records of any major American city, including the deadly Great Cyclone of 1896 and a 2025 EF3 tornado.

Sting jet

A sting jet is a narrow, transient airstream of strong wind descending from the mid-troposphere in some extratropical cyclones, producing localized damaging surface gusts over 100 mph.

Storm

A storm is a disturbed state of the atmosphere marked by severe weather such as strong winds, heavy rain, or lightning, from single thunderstorms to vast cyclones.

Storm Amy

Storm Amy was the first named storm of the 2025/26 European storm season, bringing record October winds, widespread power outages, and one death to Ireland and the UK.

Storm Arwen

Storm Arwen was a European windstorm that struck the UK and Ireland on 26 to 27 November 2021, killing three people and cutting power to over 1 million homes.

Storm Boris (2024)

Storm Boris was a slow-moving low-pressure system that brought record rainfall and severe flooding to Central and Eastern Europe in September 2024, killing 27 people.

Storm Ciara

Storm Ciara, called Sabine in Germany and Elsa in Norway, was an extratropical cyclone that brought severe gales and flooding to Europe in February 2020.

Storm Ciarán

Storm Ciarán was the third named storm of the 2023/24 European windstorm season, bringing damaging winds and heavy rain to Britain, the Channel Islands, and France.

Storm damage

Storm damage: destruction from winds, hail, tornadoes, storm surge, and flooding. Covers damage mechanisms, Enhanced Fujita rating, assessment methods, insurance allocation, FEMA assessments, and billion-dollar loss trends.

Storm Daniel

Storm Daniel, also called Medicane Daniel, was a Mediterranean tropical-like cyclone of September 2023 that hit Greece with record rainfall before dam collapses flooded Derna, Libya, killing thousands.