The Deaf Network of Texas has published a list of "Helpful Emergency Preparedness Apps for Smart Devices" that includes hurricane trackers, traffic and weather alerts, weather radio, The Weather Channel, FEMA assistance and preparedness information, and shelter information.
Deaf Health: ASL videos explaining illnesses, tests, and a directory of Deaf-friendly doctors.
Seasonal flu information from the Centers for Disease Control that is available in ASL, from the Texas Deaf Network.
Kati's Videos: Kati Morton, LMFT, a variety of videos on everyday health, most with captions and ASL.