MIAMI -

On this date, the most devastating avalanches in United States history occurred on this date in 1910 at Wellington, Wash. Two Great Northern trains including steam locomotives and passenger cars carrying 96 people were pushed over a ledge at Stevens Pass by the avalanche.

FRIDAY'S WEATHER EXTREMES:
   HIGHEST TEMPERATURE (DEGREES F).........................87 Fullerton, Calif.
   HIGHEST HEAT INDEX (DEGREES F).......................... ,
   LOWEST TEMPERATURE (DEGREES F)..........................-7 Langdon, N.D.
   LOWEST WIND CHILL (DEGREES F)...........................-50 Kotzebue, Alaska
   HIGHEST WIND GUST (MPH).................................55 Adak, Alaska
   HIGHEST PRECIPITATION (INCHES)..........................0.62 Washington, Mo.