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Showing posts from October, 2012

Significant rains for some

Significant rains for some Small scale, but intense thunderstorms brought some heavy rainfall to parts of Minnesota early on Tuesday (Oct 23) this week. International Falls reported 1.07 inches, their heaviest rainfall since August 15th. Many others reported a quarter inch amounts or greater. Some of the largest amounts of rainfall were:

Champlin reported 2.11", Andover 1.64", Royalton 1.27", Maple Grove 1.69", Grand Marais 1.31", Waskish 1.16", and Little Falls 1.25"

The residual surface water vapor from the recent rainfall also contributed to dense fog advisories released by the National Weather Service this week.

Then over Wednesday night and Thursday additional persistent rains fell in southeastern Minnesota where Lanesboro and Harmony reported 2.15 inches, Spring Valley 1.77 inches, Winona 1.70 inches, Zumbro Falls 1.67 inches and Chatfield 1.30 inches. Elsewhere in eastern counties snow and snow flurries were widely reported …

Downward trend in temperature

Downward trend in temperature Many observers have reported below normal temperatures so far this month. In northern locations 9 of the first 11 days have been cooler than normal, with many chilly mornings in the 20s F. Friday morning, October 12th brought the coldest temperatures of the season so far to many areas. Many observers reported overnight lows in the teens F. Some of the lowest readings included 16 degrees F at Wadena and International Falls, 15 degrees at Brimson and Babbitt, and 14 degrees F at Hinckley and Embarrass. If this pattern persists we may see a significantly cooler than normal month in Minnesota for the first time since May of 2011. In addition shallow soil temperatures (4 inch depth) have fallen by 15-20 degrees F or more since the first of the month, and are now mostly in the 40s F.

Lake Superior surface water temperatures reached a maximum of 70 to 75 degrees F this summer, but have plummeted several degrees this month. Currently many area…

October snowfall and temperature drop

October snowfall and temperature drop The season's first significant winter storm crossed northwestern Minnesota this week over Wednesday night and Thursday, bringing strong winds, dramatic temperature falls, and significant snowfall to some places. Record snowfall reports for October 4th included:

4.5 inches at Hallock
6 inches at Karlstad (plagued earlier in the week by wildfires) and Crookston
7 inches at Roseau
3.0 inches at Grygla
3.5 inches at Grand Forks, ND
4.0 inches at Red Lake Falls, Thief River Falls, and Ada
8 inches at Angus
14 inches near Badger in Roseau County

All of these amounts broke the all-time state record snowfall for October 4th in Minnesota of 1.5 inches at Ashby (Grant County) in 1903. Lesser, though measurable amounts of snowfall were also reported from Bemidji, International Falls, Hibbing, Ely, and Cook. For many in eastern North Dakota and northwestern Minnesota, this was the heaviest, and most significant early October snow storm since…