Chief Meteorologist Stephen Cropper and Severe Weather Team 11 power Pittsburgh's best weather tool. The WPXI Severe Weather 11 app gives you everything you need to stay on top of western Pennsylvania's constantly changing weather conditions. This free 24/7 app not only makes available Pittsburgh's most accurate forecast, but allows users to get interactive with many of the resources available in Severe Weather Center 11. SUMMARY of iPad Features. One-of-a-kind swipe carousel navigation. Hourly and extended forecasts. STORM ALERTS: Audible tones warn you of potentially dangerous weather. Fresh video forecasts. Interactive social technology keeps you in touch with Severe Weather Team 11. Channel 11 News broadcasts streamed live every day. Live Storm Tracker Doppler 11 radar -- zoom in to your neighborhood or zoom out to check out any location in the nation. Alert bar lights up for more than 110+ alert types. Push notifications for 6 of the 110+ alert types including tornadoes. SUMMARY of iPhone FEATURES. Current conditions, hourly and daily forecasts for any location you enter. Audio forecasts for any location you enter. Background tracking for current location updates. Alert badges for more than 110+ alert types. Push notifications for 6 of the 110+ alert types including tornadoes. Level 3 interactive radar, animation/loops and visible satellite map. One, two, and three-day outlooks from NOAA's Storm Prediction Center. Twitter & Facebook feeds. Additional items added seasonally. IN-APP PURCHASES. You can turn your app into a NOAA Weather Radio safety and security app for $4. 99. You will get voice enabled push alerts for all remaining alert types (more than 110+) powered by a highly scalable, fully redundant, alerting and messaging engine. The premium features include push notifications for more than 110 National Weather Service alert types, voice announcements of alerts, and more. Data and alerting available for the United States only. Continued use of GPS running in the background can dramatically decrease battery life.