Can a severe thunderstorm warning cause a tornado?
A severe thunderstorm warning alerts to damaging winds and hail, but does not cause tornadoes; tornado warnings are issued separately when a tornado is detected.
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Does a severe thunderstorm watch mean a tornado?
A severe thunderstorm watch means conditions are favorable for severe storms, but a tornado is not confirmed; a tornado warning means a tornado has been spotted or detected.
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What is the difference between a severe thunderstorm watch and a severe thunderstorm warning?
A watch means severe storms are possible; a warning means they are happening or about to happen - take cover now.
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Who issues severe thunderstorm watches?
Severe thunderstorm watches in the U.S. are issued by the Storm Prediction Center, part of the National Weather Service.
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When is the severe thunderstorm watch?
No severe thunderstorm watch is currently in effect as of July 21, 2026.
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When are severe weather watch bulletins issued?
Severe weather watch bulletins are issued 36 - 48 hours ahead when conditions favor severe weather, alerting the public to prepare.
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When a severe weather watch is issued, what does it mean?
A severe weather watch signals that conditions are ripe for dangerous weather to form, so you should be prepared but not yet take immediate shelter.
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Which is worse, a severe thunderstorm watch or warning?
A severe thunderstorm warning indicates imminent danger and requires immediate action, while a watch means conditions are possible.
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Is a severe thunderstorm watch bad?
A severe thunderstorm watch means conditions are favorable for severe storms - be prepared, but it's not an immediate threat like a warning.
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How are severe thunderstorm warnings issued?
Severe thunderstorm warnings are issued when radar or spotters detect winds ≥58 mph or hail ≥1 inch, prompting immediate shelter.
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What does severe weather watch mean?
A severe weather watch signals that conditions are ripe for dangerous weather, urging preparedness and vigilance.
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What is a severe thunderstorm watch?
A severe thunderstorm watch means conditions are favorable for severe storms, but none are occurring yet - stay alert and be prepared.
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