Very severe frost, thick white mist. Warnings from 10.07 to 11.0 a.m., 1.32 to 3.44 p.m. To see Uncle Alf and Aunt Hannah in their restored house after being bombed. Also shopping. Met Nurse Killick, heroine of a destroyed hospital. Thick fog at night. Warning & one German machine at 10.50 p.m. all clear at 11.11 p.m. To public shelter but decided to come home.