Definition

Noun: 1. A weather event characterized by thunder and lightning: A thunderstorm is a storm that produces thunder and lightning, typically accompanied by heavy rain, strong winds, and sometimes hail or snow. 2. A storm resulting from strong rising air currents: This term specifically describes a convective storm caused by unstable atmospheric conditions where warm, moist air rises rapidly, leading to the development of cumulonimbus clouds, precipitation, and electrical discharges (lightning and thunder).

Usage Examples

• The picnic was canceled due to an approaching thunderstorm.
• We could hear the distant rumble of a thunderstorm moving across the plains.
• Severe thunderstorms in the region caused localized flooding and power outages.
• The forecast calls for scattered thunderstorms this afternoon.

Advanced Usage

• "To be caught in a thunderstorm": To be outdoors and unexpectedly experience a thunderstorm.
  • We got caught in a sudden thunderstorm while hiking and were completely drenched.
• "Thunderstorm activity": A meteorological term referring to the occurrence or intensity of thunderstorms in an area.
  • Thunderstorm activity is expected to increase after sunset.

Variants and Related Words

• Thunderstormy (adjective, less common): Describing conditions typical of or resembling a thunderstorm.
  • The sky had a dark, thunderstormy appearance.
• Thundershower (noun): A brief, usually moderate thunderstorm with rainfall.
• Electrical storm (noun): A synonym often used to emphasize the lightning aspect of the event.
• Convective storm (noun): A technical term for a storm, like a thunderstorm, driven by convection (rising warm air).

Synonyms

• Electrical storm
• T-storm (abbreviation, common in weather forecasts)
• Convective storm (technical)

Related Phrases and Collocations

• Severe thunderstorm: A thunderstorm that produces damaging winds (over 58 mph / 93 kph), large hail (over 1 inch / 2.5 cm in diameter), a tornado, or extremely heavy rainfall.
• Isolated thunderstorm: A thunderstorm affecting a very small, specific area, with most locations remaining dry.
• Scattered thunderstorms: Thunderstorms that are distributed irregularly across a region, not affecting every location.
• Thunderstorm warning: An alert issued by meteorological authorities indicating that a thunderstorm is occurring or imminent in the warned area.
• Thunderstorm watch: An alert indicating that conditions are favorable for the development of thunderstorms in and close to the watch area.

Noun

1. a storm resulting from strong rising air currents; heavy rain or hail along with thunder and lightning