Would This Qualify As A Heat Wave?

Hansen says that bad heat waves used to be almost impossible because the dice weren’t loaded.

One hundred years ago, Death Valley had a week when afternoon temperatures averaged 130F. Would that qualify as a heat wave?

docs.lib.noaa.gov/rescue/mwr/050/mwr-050-01-0010.pdf

NOAA now considers a few weeks of 60F in March to be the most extreme heatwave in history.