Isobar's weather report 2011.09.14
By DAVID GREEN
Michigan’s wettest city.
What a distinction Morenci earned last month, if only for a day.
It was actually a rather odd situation, said local climate observer George Isobar.
“It was odd because they didn’t believe me,” Isobar said.
Isobar, who serves as the National Weather Service climate observer for Morenci, sent his data in the morning of Aug. 24 with the report of 2.95 inches of rain.
The storm had started about 9 p.m. the previous night and periods of very intense rainfall followed after midnight.
“There’s a big aluminum bowl on my back porch—no, that’s not my rain gauge—and I noticed it was full to overflowing,” he said. “I’d never seen that before.”
Isobar’s rain gauge from the weather service has an inner tube that holds two inches of rain and he could see that was full when he looked through the hole in top.
“I emptied it out. Poured the overflow in and there it was. About a month’s worth of rain in seven hours.”
He sent in the data and later had a call from the office in White Lake, asking about the error.
“I explained that it really rained hard and I didn’t doubt the accuracy,” Isobar said. “Later in the day I heard from other people in town who measured similar amounts.”
Three inches of rain in one storm certainly isn’t unheard of, he said. We’ve had more than that many times. The odd thing was that other stations as close as Adrian, Hudson and Blissfield received about an inch or less.
“We just really got dumped on,” Isobar said. “I was told we were the wettest location in the state.”
For the month precipitation ended at 4.35, which is about half an inch above the average. Five thunderstorms passed through during August.
The high temperature for the month was recorded on the first day of August at 92°. The low temperature of 49° was recorded three times, with the earliest on Aug. 22.
“It was a lot cooler than July,” Isobar said. “We only had two days in the 90s and two mornings in the 70s. Generally, it really cooled down nicely at night.”
According to the National Weather Service office in Toledo, the average temperature for the month was 71.7° (compared to 78.8° in July), which is still 0.2° above the long-term average.
SEPTEMBER—“People were thinking that fall was here already last week,” Isobar said. “From the 90s to the 60s overnight.”
Isobar said it’s not uncommon at all to have one final day in the 90s during September and we’ll also have our first fall temperature in the low 40s and maybe the 30s.
“That’s a sure bet,” he said. “You have noticed the darker mornings and earlier evening darkness, haven’t you?”
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