Isobar's weather review: May 06.09.2010
By DAVID GREEN
May was a month of extremes in the weather department, both for temperature and precipitation.
“We’ve had hotter and we’ve had colder weather in Mays of the past,” said National Weather Service climate observer in Morenci, George Isobar, “but this past one brought quite range.”
The high temperature for the month was recorded May 30 at 90°. After a week of temperatures in the upper 80s, the mercury finally climbed to the 90° mark.
That week, along with above-average temperatures the first week of the month, pushed the mean temperature for May up to 3.4° above the long-term average.
“We also had a string of extra chilly days earlier in the month and that’s when we got our monthly low of 30°,” Isobar said.
There were two other readings in the low 30s that month.
The other extreme came in the precipitation department with a total of 6.85 inches of rain—about 2.5 inches above normal.
“That follows an extra wet April with 4.63 inches,” Isobar said. “We’ve already had more than two inches in the first week of May and there’s a prediction for another inch or two overnight.”
There’s one more extreme for May, Isobar said—nine days with thunderstorms—but there’s another one missing.
“I doubt that anyone is complaining, but we continue a long run missing the severe weather,” he said. “Last weekend was the closest it’s come in quite a while with a tornado touch down in Fulton County, but we were missed again.”
JUNE—What’s there to expect other than more rain?
“We could be up near the month’s average before it’s half over,” Isobar said, but added that it could all come to an abrupt end.
“We’ve had wet seasons where it seems like the spigot was suddenly turned off,” he said. “We go from too much to not enough in a pretty quick fashion.”
June nearly always brings days in the 90° range—sometimes as many as a dozen.
“It seems that it should become another good summer for mosquitoes,” Isobar said. “Flooded areas, lots of heat. It’s one of our leading crops.”
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