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York, Chester, Lancaster residents need to retune their weather radios. Here's why

Much like a smoke detector, a weather radio sounds an alarm to wake you and alert you to the impeding danger.

ROCK HILL, S.C. — The NOAA Weather Radio transmitter in Rock Hill, South Carolina, was recently damaged by a lightning strike. 

Many people who have weather radios in their homes to wake them up in the middle of the night for severe weather threats may need to retune their radios to the new channels. 

Residents in York, Chester and Lancaster may need to switch to a neighboring frequency or they might risk missing alerts during Hurricane Helene.

Here are those new transmitter signals:

For York, Chester and northern Lancaster County


Charlotte, NC, Transmitter (WXL70): 162.475 MHz

For southern Lancaster County


Columbia, SC, Transmitter (WXJ20): 162.400 MHz

For eastern Lancaster County


Cheraw SC Transmitter (WXK90): 162.450 MHz

Much like a smoke detector, a weather radio sounds an alarm to wake you and alert you to the impeding danger.

The NWS uses legacy radio signals to operate a network of transmitters around the country. The system has resiliency against power and internet outages.

Those same alerts will also appear on broadcast media – including here on WCNC Charlotte where they will scroll across the bottom of your screen and appear as push notifications on our app.

If you’re streaming severe weather coverage - it’s also important to remember there may be a delay.

This makes multiple options even more critical to your safety and creates life-saving redundancy. And when storms threaten, you can stay weather aware with us on-air and online.

🌩️ If you like weather, watch Brad Panovich and the WCNC Weather Impact Team on their Emmy Award-winning Weather IQ YouTube channel. 🎥

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