NOAA weather radios: choose one with a real alert function

NOAA Weather Radio is a network of more than 1,000 transmitters broadcasting continuous weather information from National Weather Service offices on seven frequencies between 162.400 and 162.550 MHz. An ordinary AM/FM radio cannot receive it. The broadcasts do not depend on your home's power, cell service or internet connection, which is why federal kit lists include a receiver.

The features that matter, in NWS's words

• Tone alarm. NWS sends a 1050 Hz tone before most warnings and many watches. A receiver with the tone-alarm feature sounds an alert even with the audio turned down. Without it, the radio only helps if someone is already listening.
• SAME (Specific Area Message Encoding). Lets you program the county codes you care about so the alarm only sounds for your area. Rural counties with a coastal neighbor, or anyone who sleeps near the radio, will want this.
• Public Alert certification. NWS describes the Consumer Technology Association standard (CTA-2009-C), written with NWS, as requiring the tone alarm, SAME and battery backup. That describes the certification, not any individual listing: in the comparison below we still report only what each manufacturer states for the exact model. NWS does not endorse specific makes or models.
• Power. A desktop alert receiver runs on AC with AA backup so it is always listening. A hand-crank or solar radio can be recharged without the grid. Most households benefit from one of each: the alert receiver by the bed, the crank radio in the kit.
• Phone charging. A crank radio's USB output is a last resort, not a charging plan. Manufacturer output ratings in this comparison range from unstated to 0.3 amps; a small power bank charges a phone faster and more reliably.

Compare four models

"Not stated" means the manufacturer's page does not claim the feature; it is not the same as "no", and we do not infer it from a certification. When a feature matters to you, confirm it in the model's manual before buying.

Set it up before the season, not during the warning

1. Check reception where the radio will live. Find your transmitter and frequency on the NWS station listing, then test in the bedroom or kitchen. Move it or extend the antenna if the signal is weak.
2. Program SAME codes on a receiver that supports them. Add your county and the neighbors that your weather arrives from. Test the alert volume at night.
3. Decide what an alert means for you. A tornado warning and a flood warning call for different actions. Write the household response into the family emergency plan.
4. Keep the power plan honest. Replace backup AAs on a schedule, and top up a crank radio's battery from USB every few months rather than relying on the crank alone.

Next: pair the radio with lighting and charging by task, then check that the hurricane timeline or your local hazard plan says who acts on the alert.

Sources and selection method

We compared manufacturer feature claims against the National Weather Service's description of receiver features. We have not measured reception or alarm volume. Listings change; confirm the exact model and included accessories before ordering.

• National Weather Service: NOAA Weather Radio overview
• National Weather Service: receiver features, tone alarm, SAME and Public Alert
• National Weather Service: station listing and frequencies
• Ready.gov: build a kit
• Midland WR120 specifications
• Midland ER310 specifications
• Kaito KA500 specifications
• Sangean MMR-88 specifications and specification sheet