In small thunderstorms, peak five-minute rainfall rates can exceed 120 mm (4.7 inches) per hour, but most rainfalls are about one-tenth this amount.
By small thunderstorms, we mean storms of small duration.
Observations of these three thunderstorms over the northeastern part of India demonstrate that small thunderstorms can have very high lightning flash rates of about 40 to 90 fpm.
To the authors' knowledge, it is for the first time that observations demonstrate even small thunderstorms can exhibit very high peak lightning flash rates and lightning jumps.
Our observations of electric field made beneath thunderstorms at Guwahati, known for occurrence of severe thunderstorms during pre-monsoon season - locally known as 'Nor'wester', show that high lightning flash rates and lightning jumps can happen in small thunderstorms without causing any severe weather phenomenon at ground.
Using a model of Saturn's atmosphere and simulating the formation of smaller thunderstorms in various parts of the planet, the researchers found that the planet's rotation caused the smaller storms to move toward the poles in a process known as beta drift.
The formation of such small duration thunderstorms with very high lightning flash rates is attributed to the conversion of moisture in the valley during nighttime.
On August 19, a small area of thunderstorm activity formed in the open tropical western Pacific ocean on the eastern end of the monsoon trough.
Flying back to Broome, Bancroft followed the coast, dodging small squalls and thunderstorms.
Sri Lanka will keep its long-running state of emergency, and reforms to the voting system will make it harder for smaller parties.As a thunderstorm unleashes an early monsoon downpour, the brother suggests that a ruler's worth should be judged by a traditional standard.
