tornado warning - SERP Analysis

https://www.weather.gov/safety/tornado-ww

https://www.accuweather.com/en/us/washington/20006/weather-warnings/327659

https://www.weather.gov/rnk/tornadoes-VA

https://en.wikipedia.org/wiki/Tornado_warning

https://www.nbcwashington.com/weather/severe-weather-alerts/

https://www.tornadohq.com/

http://ready.dc.gov/tornado

https://www.youtube.com/watch?v=J1ZSiQakm44