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A thunderstorm, also known as an electrical storm, a lightning storm, or a thundershower, is a ... Thunderstorms can generally form and develop in any particular geographic .... This is the most com...

Severe Weather 101: Tornado Basics


Because wind is invisible, it is hard to see a tornado unless it forms a ... Tornadoes can also happen at any time of day or night, but most tornadoes occur between ... severe non-tornadic winds, unusually frequent lightning, and flash floods.

Severe Weather 101: Tornado FAQ


Frequently asked questions about tornadoes, from the NOAA National Severe Storms ... to occur in every state in the United States, on any day of the year, and at any hour. ... wind speeds can be as high as 300 mph in the most violent tornadoes. ... Although the process by which tornadoes form is not completely understood, ...

Tornado & Severe Weather Preparedness - Mercer County Homepage


Severe thunderstorms and tornadoes occur most often in the spring months of ... But tornadoes have occurred in every hour of the day and night, so no time of day is ... When these conditions come together, severe thunderstorms form and with .... wind events remain much more common than tornadoes in Pennsylvania.

About Tornadoes | Weather Underground


Where do tornadoes most often occur in the United States? ... However, tornadoes have occurred in every month and at all times of the day or night. A typical time of occurrence is on an unseasonably warm and sultry Spring afternoon ... Tornadoes form under a certain set of weather conditions in which three very different ...

Tornadoes | Weather Wiz Kids


Most strong and violent tornadoes form within this area of strong rotation. ... vortices”, which are small, individual tornadoes rotating around a common center. .... Tornadoes can happen at any time of the year and at any time of the day.

Night thunderstorms: Top things to know | Earth | EarthSky


Jul 27, 2015 ... All thunderstorms produce dangerous lightning, both during the day and at night. ... Tornadoes, however, while possible, occur much less frequently at night. ... Thunderstorms are most likely to form when the temperature of the air ... If you have some free time on your hands, why not make some extra cash ...

7(t) Thunderstorms and Tornadoes - Physical Geography


Thunderstorms form when moist, unstable air is lifted vertically into the atmosphere. ... The most common type of thunderstorm is the air mass storm. .... F4 tornadoes occur only about 1% of the time, while F5 are even more rare with a chance of about 1 in ... Tornadoes also have particular times of the day in which they form.

4 Things You Need to Know About Tornado Season - Live Science


Apr 11, 2013 ... Tornadoes can happen anywhere, any time of year. ... The worst tornadoes form from so-called supercell thunderstorms when warm, moist air is ... Though this setup is most common over Tornado Alley, it can happen anywhere that conditions are right. ... Tornadoes can also happen at all times of the day.

tornado Facts, information, pictures | Encyclopedia.com articles ...


Although tornadoes can occur at any time of the year, most form during the ... By the end of the day, it had grown into a violent storm system with a reported 76 tornadoes. ... Tornadoes occur most frequently in Texas, followed by Oklahoma and ...

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Severe Weather 101: Thunderstorm Basics


Tornadoes (with winds up to about 300 mph) can destroy all but the best-built ... Three basic ingredients are required for a thunderstorm to form: moisture, rising ... The mature stage is the most likely time for hail, heavy rain, frequent lightning,  ...

Thunderstorms, Tornadoes, Lightning...Nature's Most Violent Storms


Waterspouts are tornadoes that form over warm water. Water spouts can move ... Tornadoes can occur at any time of day, any day of the year. □ Have a plan of .... Lightning fatalities are most common during summer afternoons and evenings.

Where Do Tornadoes Form? | Weather Underground


Although they are possible any time of the day or night, tornadoes tend to occur in the late afternoon and early ... They are most common from 4pm to 9pm.