Web Results

en.wikipedia.org/wiki/Supercell

A supercell is a thunderstorm characterized by the presence of a mesocyclone: a deep, ... To the extent that records are available, supercells are most frequent in the Great .... LP supercells rarely spawn tornadoes and those that form tend to be weak, ... of a hook echo, when in fact they are producing a tornado at the time.

www.nssl.noaa.gov/education/svrwx101/tornadoes

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.

www.nssl.noaa.gov/education/svrwx101/thunderstorms/faq

They are most frequently isolated and often develop in the warm air ahead of a ... A large amount of the thunderstorm's energy comes from the condensation process that forms the thunderstorm clouds. ... Tornadoes (with winds up to about 300 mph) can destroy all but the ... By this time of day, the sun is beginning to set.

lawr.ucdavis.edu/classes/atm10/10sample_final.html

The most frequent time of day for tornadoes to form is in the: ... trough of low pressure found in the tropics and along which hurricanes occasionally form is called:.

www.weather.gov/media/owlie/ttl6-10.pdf

rain, frequent lightning, strong winds, and ... Tornadoes can occur at any time of day, any day of the year. □ Have a ... Most tornadoes form within this area of ...

www.wunderground.com/resources/education/tornadoFAQ.asp

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 ...

www.studyblue.com/notes/note/n/geo-final/deck/9139289

Non automated surface weather observation is made every day at Fresno Airport at 0300 UT. ... The most frequent time of day for tornadoes to form is in the.

www.weatherwizkids.com/?page_id=60

Most strong and violent tornadoes form within this area of strong rotation. .... Tornadoes can happen at any time of the year and at any time of the day.

www.livescience.com/3589-12-twisted-tornado-facts.html

Jun 18, 2009 ... Twelve facts about when, where and how tornadoes form, as well as ... Although tornadoes are more frequent in the afternoon, they can ... While tornado season — the time of year that historically produces the most tornadoes — runs ... 1974, when a two-day "Super Outbreak" of 147 tornadoes killed 308 ...

earthsky.org/earth/night-thunderstorms-top-things-to-know

Jul 27, 2015 ... Tornadoes, however, are much more likely during the day, especially ... 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 every week?