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

Severe Weather 101 Thunderstorm Types. Often called “popcorn” convection, single-cell thunderstorms are small, brief, weak storms that grow and die within an hour or so. They are typically driven by heating on a summer afternoon. Single-cell storms may produce brief heavy rain and lightning.

weather.com/forecast/regional/news/2019-04-19-thunderstorms-heavy-rain...

An area of low pressure moved across the South and East. Damaging winds, hail and tornadoes were reported. A low pressure system tracked across the South and East bringing severe thunderstorms ...

www.ncat.edu/divisions/business-and-finance/upd2/emergency-mgmt/assets/Weather...

severe weather safety and preparing now could help reduce the chances of injury or death for you and your family. Know the Difference – Severe Thunderstorm Watches vs Severe Thunderstorm Warnings: Severe Thunderstorm Watch – Means the potential exist for a severe thunderstorm to develop. When a watch is issued, you

answers.yahoo.com/question/index?qid=20100607120221AArf817

For a storm to be considered severe it needs to have winds greater than 58mph, 3/4" hail or larger, or be tornadic. So, expect a strong or heavy thunderstorm to be slightly weaker than a severe storm. Strong or heavy thunderstorms can be associated with damaging winds, torrential rainfall, hail, and dangerous cloud-to-ground lightning.

en.wikipedia.org/wiki/Thunderstorm

A severe thunderstorm warning is issued if a thunderstorm becomes severe, or will soon turn severe. In Canada, a rainfall rate greater than 50 millimetres (2 in) in one hour, or 75 millimetres (3 in) in three hours, is also used to indicate severe thunderstorms. Severe thunderstorms can occur from any type of storm cell. However, multicell ...

weather.com/storms/severe/news/2019-04-26-severe-thunderstorms-heavy-rain...

Scattered severe thunderstorms will continue to flare up from parts of the South into the mid-Atlantic Saturday, producing damaging wind gusts and large hail. Heavy rainfall from these storms ...

en.wikipedia.org/wiki/Severe_thunderstorm_watch

A Severe Thunderstorm Watch (SAME code: SVA) is issued when weather conditions are favorable for the development of severe thunderstorms.If thunderstorms are expected to be of sufficient strength such that there is a significant risk that they may produce tornadoes, then a Tornado Watch (which also automatically implies that severe thunderstorms are possible) is issued.

www.krem.com/article/weather/severe-weather/flood-watch-issued-as-heavy-rain...

SEVERE-WEATHER. Flood Watch issued as heavy rain, thunderstorms expected in Spokane area. The National Weather Service has issued a Flood Watch beginning Thursday afternoon in Spokane and ...

www.weather.gov/safety/thunderstorm

Severe thunderstorms are officially defined as storms that are capable of producing hail that is an inch or larger or wind gusts over 58 mph. Hail this size can damage property such as plants, roofs and vehicles. Wind this strong is able to break off large branches, knock over trees or cause structural damage to trees.

www.youtube.com/watch?v=-1mKOP1VS8w

now my brother is pissed because of the basement is starting to flood, what happened is When is rain too hard for too long, i miss up everyone souls and is happened in the west side of my town ...