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Showing posts from October, 2019

First Autumn Rain/Snow Mix With a Winter Storm

First Autumn Rain/Snow Mix With a Winter Storm: October 10-11 brought the first seasonal mixture of rain and snow to many parts of Minnesota. Most of the snow was reported in northwestern counties, which were under a Winter Storm Watch Thursday night. Some areas of the Red River Valley were expected to get 4 to 8 inches of snowfall by Saturday, along with winds over 40 mph. Rain fell across much of the rest of the state (in some areas more than one inch) pushing monthly totals past 4 inches at over two dozen climate stations in Minnesota.
Early Look at Change in Climate "Normals" By the end of 2020 we will complete climate record keeping for the second complete decade of the new millennium. By international agreement all of the government weather services will calculate new climate “normals” for locations that have measured daily climate histories. We know already for Minnesota that the climate trends of the past decade have been upward (positive) with respect to both…

Wet Start to October No Surprise

Wet Start to October No Surprise: Normal October precipitation around Minnesota ranges from 2 to 2.5 inches most places. Already over the first few days of the month many of our climate observers in the state report 1.5 to 3.0 inches of rainfall, topped by Grand Meadow (Mower County) with 3.91 inches. Portions of Itasca and St Louis County (Orr) have reported 1 to 1.5 inches of snow already this month, while other places in northeastern Minnesota have reported a trace. Temperatures over the first few days are running about 3 to 7 degrees F cooler than normal.

For the year to date, over 30 climate stations have reported more than 40 inches of precipitation. The community of Rochester (Olmsted County) has recorded their wettest year in history (over 19 inches wetter than normal so far), while many other climate stations are on a pace to do so. Some of the cause for all the surplus precipitation this year stems from a larger number of intense thunderstorms that delivered 2 or more …