Numbers for family, friends, doctors, insurances, veterinarians, etc. Put a copy in your emergency kit, and one near your phone or in your cellphone. Have an out-of-town family member or friend you can call who will pass updates to family and friends for you.

Aaron Ward, a meteorologist with the Weather Service office in Amarillo said visibility was “nearly zero” in the greater Amarillo region. The Texas Department of Public Safety said it was responding to multiple crashes across the region because of low visibility from clouds of dust.