Lightning at night over a house in Melbourne, Florida.

What is a Severe Thunderstorm Watch?

Severe thunderstorms are common in the Southeast U.S and Midwest. However, they can happen almost anywhere (even in unusual places, like Alaska). If weather conditions are favorable for severe thunderstorms, the National Weather Service issues a severe thunderstorm watch.

flash flood

What is a Flash Flood Watch?

Areas that experience heavy rainfall, snowmelt, and tropical storms are susceptible to flash floods. If weather conditions are favorable for a flash flood in your area, the National Weather Service issues a flash flood watch to give you time to prepare.

Tornado forming over rural landscape with wind turbines.

What is a Tornado Watch?

Most common in the U.S. in the Great Plains and the Southeast, tornadoes are one of nature’s most violent weather events. Since thunderstorms always precede tornadoes, thunderstorms are prevalent in the same regions as tornadoes.

High Wind Warning

What is a High Wind Warning?

The National Weather Service issues various wind warnings to warn the public of dangerous wind conditions. Wind warnings are issued when sustained wind speeds are expected to reach or exceed a certain speed for a certain amount of time.

snow squall alert road sign

What is a Snow Squall Warning?

It’s snow squall season again! That means it’s time to prepare yourself for sudden changes in weather conditions on the roads, especially if you live … Read more

Hurricane Florence in 2018 during an above average atlantic hurricane season

What is a Hurricane Watch?

Hurricanes are among the most powerful and destructive natural disasters in coastal regions and island communities. These massive tropical storms are characterized by intense winds, … Read more

blizzard in new york city

What is a Blizzard Warning?

Although blizzards are most common in the Great Plains, the upper Midwest, and the Northeastern U.S., blizzards can occur just about anywhere where snow falls in winter.

heavy ice on branches

What is an Ice Storm Warning?

In the Northeastern US, ice storms are dangerous winter weather events that can cause extensive damage due to severe ice accumulation. Severe ice storms are commonplace in states like Vermont, Pennsylvania, New York, and New Jersey during cold winters but have also occurred in states further south and west.

hurricane harvey hurricane local statement

What is a Hurricane Local Statement?

A hurricane local statement is an emergency message that provides critical information about a hurricane. Your local National Weather Service forecast office issues this product, including information about the storm’s location, intensity, and expected impacts.

Philadelphia winter storm

What is a Winter Storm Watch?

If weather conditions are favorable for hazardous winter weather in your area within 48 hours, then the National Weather Service issues a winter storm watch. Winter storm watches hint at the possibility of hazardous winter weather.