what happen in 4 hrs in united states Warning for united states ⚠️ tornado warning in whole unite s

**Tornado Warning in San Francisco**

A tornado warning has been issued for San Francisco and parts of San Mateo County due to a severe thunderstorm capable of producing a tornado[](https://hoodline.com/2024/12/tornado-warning-startles-san-franciscans-daly-city-san-francisco-brace-for-severe-weather/ "1"). The National Weather Service detected radar-indicated rotation in the storm, which is moving northeast at 45 mph[](https://hoodline.com/2024/12/tornado-warning-startles-san-franciscans-daly-city-san-francisco-brace-for-severe-weather/ "1"). Residents are advised to take immediate shelter in an interior room on the lowest floor of a sturdy building, away from windows[](https://hoodline.com/2024/12/tornado-warning-startles-san-franciscans-daly-city-san-francisco-brace-for-severe-weather/ "1"). If you are outdoors or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris[](https://hoodline.com/2024/12/tornado-warning-startles-san-franciscans-daly-city-san-francisco-brace-for-severe-weather/ "1"). The warning is in effect until 6:20 AM, and residents should stay updated on weather developments[](https://hoodline.com/2024/12/tornado-warning-startles-san-franciscans-daly-city-san-francisco-brace-for-severe-weather/ "1").

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Stay safe and take necessary precautions!