Difference between weather watches and warnings

8:56 AM, Jan 30, 2013   |    comments
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As severe weather moves into the 10News viewing area, the National Weather Service has issued several storm warnings and watches.

Below are the National Weather Service's definitions of watches and warnings to help you prepare for what weather is coming:

Severe Thunderstorm Warning
Issued when there is evidence based on radar or a reliable spotter report that a thunderstorm is producing, or about to produce, wind gusts of 58 mph or greater, structural wind damage, and/or hail 1 inch in diameter or greater.

Severe Thunderstorm Watch
Is issued by the Storm Prediction Center when conditions are favorable for the development of severe thunderstorms over a larger-scale region. Tornadoes are not expected in such situations, but isolated tornado development cannot be ruled out.

Tornado Warning
Issued when there is evidence based on radar or a reliable spotter report that a tornado is imminent or occurring.

Tornado Watch
Is issued by the Storm Prediction Center when conditions are favorable for the development of severe thunderstorms and tornadoes over a larger-scale region.

Significant Weather Advisory
Issued for strong thunderstorms that are below severe levels, but still may have some adverse impacts. Usually issued for the threat of wind gusts of 40-58 mph or hail up to 1 inch in diameter.

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