Provided by NOAA’s
National Weather Service
- NOAA’s National Weather Service considers a thunderstorm severe if it produces hail at least ¾-inch in diameter, winds of 58 mph or stronger, or a tornado.
- Severe Thunderstorms can produce wind speeds in excess of 100 mph.
- Severe thunderstorm winds can cause damage equal to a tornado.
- Large hailstones can fall at speeds faster than 100 mph.
- Ask a campground staff member what they have in place to notify campers of a severe weather warning and ask if they have an alternate method to notify campers in case of a power failure if the alarm system relies on electricity.
- Identify a shelter area where you should go in case of imminent severe weather.
- Have a NOAA Weather Radio with a warning alarm tone and battery back-up to receive warnings.
- NOAA’s National Weather Service watches and warnings are also available on the Internet at www.weather.gov.
- Listen to radio and television for weather information.
- Check the weather forecast before leaving for extended periods outdoors. Watch for signs of approaching storms.
- Severe Thunderstorm Watch: Tells you when and where severe thunderstorms are likely to occur. Watch the sky and stay tuned to know when warnings are issues.
- Severe Thunderstorm Warning: Issued when severe weather has been reported by spotters or indicated by radar. Warnings indicate imminent danger to life and property to those in the path of the storm.