ESS200A
Prof.
Jin-Yi Yu
North America
§ Rainfalls increased in Canada and northeast USA but decrease
in southwest USA and Mexico.
§ Major climate features that affect the rainfalls: (1)
mid-latitude storms, (2) tropical cyclone, (3) North American monsoon.
§ Projections: (1) more positive AO (i.e., northward shift of
storm track), (2) weaker N.-A. monsoon, (3) intensified subtropical high in the
eastern Pacific.
§ In California: (1) increase in extreme hot events, (2) larger
diurnal temperature range, (3) increase precipitation extreme in cold seasons.
