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Showing posts from November, 2013

Preliminary November climate summary

Preliminary November climate summary Cold and dry describe the climate for November this year. Most observers report average monthly temperatures that range from 1 to 3 degrees F colder than normal. Extreme temperatures for the month ranged from 66 degrees F at Wheaton on the 14th to -11 degrees F at Roseau, Thief River Falls, and Orr on the 24th. General absence of full, sunny days, abundant cloud cover, and a high frequency of fog prevented daytime maximum temperatures from getting very high.

Most observers reported a drier than normal month as well, with less than a half inch being a common amount. In the western part of the state places like Milan and Madison reported less than a tenth of an inch. Northeastern and southeastern counties reported some above normal monthly precipitation with amounts ranging from 1 to 2 inches. Some wet spots in the state included Caledonia with 2.19 inches, Cannon Falls with 2.65 inches, La Crescent with 2.09 inches, and Preston with 1.90…

New Seasonal Climate Outlook

New Seasonal Climate Outlook On Thursday, November 21, the NOAA-Climate Prediction Center released new seasonal outlooks covering meteorological winter, from December through February. The new outlooks favor below normal temperature conditions Dec-Feb for North Dakota, Northern portions of South Dakota, and many parts of western and northern Minnesota. Outlooks do not distinctly favor above or below normal precipitation for Minnesota during the winter season.

Tornadoes in the central USA on November 17, 2013 Last Sunday, November 17 was a dramatic and traumatic day weatherwise for citizens in IL, IN, KY, TN, MI, and OH. Between 11:00 am and 6:00 pm over 110 tornado reports were filed with the NOAA-Storm Prediction Center, as were over 500 strong wind reports and over 30 large hail reports. Two EF-4 tornadoes (winds 166-200 mph) and at least one EF-3 (winds 136-165 mph) tornado struck in Illinois killing six people, injuring scores of people, and damaging or destroying hun…

Coldest temperature of the autumn season

Coldest temperature of the autumn season Monday and Tuesday, November 11-12, this week brought the coldest temperatures of the autumn season so far. Thief River Falls reported a low of just 0 degrees F on the 11th, while Fosston (Polk County), Lakefield, and Pipestone reported their first readings of 0 degrees F on the morning of the 12th (Tue). Windom reported the state low on Tuesday the 12th with -1 degrees F. Many other observers reported lows in the single digits F. On Monday, November 11th Fosston reported a daily maximum temperature of just 16 degrees F, while Bemidji reported a new cold maximum temperature record of just 14 degrees F. Fortunately, the arctic cold was short-lived and temperatures warmed by 35-40 degrees F by Wednesday (Nov 13), then moderated the rest of the week.

Lake ice forming, then thawing With the colder than normal temperatures dominating from November 5-12 some observers were reporting surface ice on ponds and shallow lakes. Even the shallow…

Highlights of MN Climate Adaptation Conference

Highlights of MN Climate Adaptation Conference, November 7th, Science Museum of Minnesota -Over 250 people attended, representing state agencies, local units of government, NGOs, academic institutions, industries, and others
-Participants discussed climate impacts on transportation, agriculture, public health, energy use, urban planning, watershed management, forestry, and the insurance industry
-Climate change is already having an impact on insurance, Minnesota was the only Midwestern state among the top 3 states with the highest insured catastrophic losses in both 2007 and 2008. Homeowners claims related to severe weather like hail and wind damage are up, as are average homeowner insurance premiums. Minnesota ranks 14th highest among states in homeowners insurance premiums and has seen a rise of over 267 percent in these costs since 1997. Not all of this is related directly to climate change, but some features of severe weather threats are changing and have at least par…

October climate summary

October climate summary A very warm first half of October gave way to a cooler than normal second half of the month. The second half brought multiple season ending frosts to virtually all areas of the state. Mean temperatures for the month ranged from plus or minus 1 degrees of normal among most observers. Extreme temperatures for the month ranged from 8 degrees F at Camp Norris in Lake of the Woods County (Oct 29) to 86 degrees F at Madison in Lac Qui Parle County (Oct 1).  Precipitation for the month was near normal to above normal at most places. Many observers reported measurable precipitation on 15 or more days. There were some drier than normal spots in the north, and a few in the west. Several observers reported over 5 inches for the month including Browns Valley, Wheaton, Ottertail, Melrose, Cloquet, Isle, Lanseboro, La Crescent, and Spring Valley. Mora reported its 5th wettest October with 6.04 inches, while Grand Meadow reported its 4th wettest October in history…