These are both linked to
very warm spring temperatures in the Arctic, the study says.
Not exact matches
The average
temperature was 57.1 degrees F, up from the old record, in 1998, which landed an average of 54.3 degrees F. «We had our fourth
warmest winter (2011/2012) on record, our
warmest spring, a
very hot summer with the hottest month on record for the nation (July 2012), and a
warmer than average autumn,» Jake Crouch, a scientist at the National Climatic Data Center, told NBC News.
Deep lakes
warm very slowly in the
spring, and small changes in water
temperature at the end of winter can lead to large changes in the timing of summer stratification for these lakes.
Even following a
very cold winter, if
temperatures warm quickly during
spring very little ozone loss may take place.
Your hypothesis that the record of global mean
temperatures might have been affected by the odd
warm hour on a
spring day here and there has a
very low probability of being correct, given the vast amount of data that goes into the global mean, from stations in all pats of the world (from the fully dark Antarctic winter days to the fully illuminated Arctic summers, desert and equatorial forest sites etc etc).
Australia experienced
very warm conditions during
spring 2017, with a national mean
temperature of 1.13 °C (2.03 °F) above the 1961 — 1990 average and the sixth highest on record.
You'll often see
very high
temperatures accompanying these two, because dry air that flows downslope from the Southern Rockies, or that descends on the south side of a major
spring storm system,
warms up as it heads toward Oklahoma.