Thunderstorms in New Hampshire

9/20/2017 (Permalink)

Thunderstorms

Today’s Topic is Thunderstorms!

Summer in NH brings those triple H days – hazy, hot, and humid! On days like those there’s nothing more welcome than the arrival of a late-afternoon thunderstorm, leaving in its wake cool, refreshing air, scrubbed clean of haze and pollution.

Thunderstorms need three things:

• Moisture—to form clouds and rain.
• Unstable Air—relatively warm air that can rise rapidly.
• Lift—fronts, sea breezes and mountains are capable of lifting air to help form thunderstorms.

More Facts about thunderstorms:

• Thunderstorms may occur singly, in clusters, or in lines.
• Some of the most severe occur when a single thunderstorm affects one location for an extended time.
• Thunderstorms typically produce heavy rain for a brief period, anywhere from 30 minutes to an hour.
• Warm, humid conditions are highly favorable for thunderstorm development.
• About 10 percent of thunderstorms are classified as severe—one that produces hail at least three-quarters of an inch in diameter, has winds of 58 miles per hour or higher, or produces a tornado.

To learn more about how Storm Damage Cleanup and Restoration click here.

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