Enter your e-mail address to get storm alerts. Charts and images from NOAA, the National Oceanic and Atmospheric Administration, are numerous and help the non-meteorologist understand the difference between a Category 1 and a Category 5 hurricane.
The app carries this caveat in its "about" information: "This product is not to be used to make life-or-death decisions," and says to refer to local sources if you are in the path of a storm.
AccuWeather Inc. has free apps for most devices, including BlackBerry. With location service on AccuWeather for iPhone, the app opens with a local-conditions screen showing the temperature, the "RealFeel" temperature, a user-friendly graphic showing wind speed and direction, and other data.
If you need to tell everyone what you find - and who doesn't? - there's a "share" button for posting on e-mail, Facebook, or Twitter.
Forecasts go out for a full two weeks, which could stretch your credulity. Animated and overlay maps use radar and satellite images.
Tap the "Video" button to watch daily local and national forecasts, disaster, and travel-weather news, and features by AccuWeather.com meteorologists.
A "Lifestyle" tab tells about current conditions for bicycling, fishing, golf, and other activities and risks for catching a cold or the flu, as well as the weather risks to asthma, migraine, and arthritis sufferers.
NOAA Radio Free, from JJACR Apps for Apple, is one of many applications - some of which charge, while others like this one are advertising-supported - that serve up the weather broadcasts from the National Oceanic and Atmospheric Administration.
They are the same old scratchy, government-issue broadcasts, but with an app, you get to check out the forecasts for almost anywhere around the country.
Contact Reid Kanaley at 215-854-5114, email@example.com, or follow @ReidKan on Twitter.