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Extension > Mark Seeley's WeatherTalk > Hot Start to June

Friday, June 9, 2017

Hot Start to June

Hot Start to June:


After a cooler than normal May, June has begun much warmer than normal, with most southern and western communities reporting multiple daytime highs in the 90s F so far. Places like Browns Valley and Milan have already reported highs of 96 degrees F, and temperatures will go higher than that this weekend in many places.

Observers across the state are reporting average temperatures for the month so far that are from 5 to 8 degrees F warmer than normal.

Also unlike last month, bright sunny skies are dominant, and the landscape has dried out quite a bit. Many areas are in need of a good rain. In fact portions of northwestern and north-central Minnesota have seen deficits in precipitation since March 1st. Some are as much as 5-7 inches below normal in precipitation since that date. As a result the Drought Monitor shows these parts of the state to be in moderate drought.

After a very hot weekend coming up, the climate outlooks favor more frequent chances for rainfall and moderating temperatures (though still warmer than normal) by the middle of next week.

Weekly Weather Potpourri:


There is an interesting article by staff at NOAA this week about the devastating freezes in March which severely damaged the peach and blueberry crops in Georgia and South Carolina, with up to 80 percent loss in some areas. The fruit growing season had been initiated early due to a very warm February, but then frosts and freezes occurred widely during the month of March in those states. Higher prices for these fruits are anticipated.


The United Kingdom Met Office reported that Wales and Northern Ireland have recorded their warmest spring (March-May0 in history this year. Compiled temperatures records back to 1910 validate this finding. Further they say that central England where the temperature records date all the way back to 1659 also reported the warmest spring in history.


Ahead of the Indian Monsoon season very hot temperatures have prevailed across India this week. Temperatures have soared bringing daytime highs ranging from 116 degrees F to 124 degrees F across portions of central and northern India. Increased cloudiness and shower activity is supposed to cool temperatures by 10 to 20 degrees F this weekend.

There is a very nice article this week in Forbes Magazine about the valuable services provided by the NOAA Regional Climate Centers. The article is written by Dr. Marshall Shepherd of the University of Georgia and the Weather Channel.

MPR listener question:


With the forecast for Heat Index Values in the Twin Cities close to 100°F this Saturday and Sunday, we were wondering what the record Heat Index values are historically for those dates in the Twin Cities climate record? Thought you might know.

Answer:


Indeed, we may set new record Heat Index Values for the Twin Cities on both days this weekend. The record for June 10th (Sat) is a Heat Index Value of 101 degrees F in 1956, and the record for June 11 (Sun) is 97 degrees F also in 1956. It will be important to stay hydrated and not be outdoors for a prolonged period of time this weekend, as our bodies are still adjusting for the summer heat.

Twin Cities Almanac for June 9th:

The average MSP high temperature for this date is 77 degrees F (plus or minus 8 degrees F standard deviation), while the average low is 57 degrees F (plus or minus 6
7 degrees F standard deviation).

MSP Local Records for June 9th:

MSP records for this date include: highest daily maximum temperature of 95 degrees F in 1911, 1973, and 1976; lowest daily maximum temperature of 56 degrees F in 1877, 1908, and 1998; lowest daily minimum temperature of 39 degrees F in 1877 and 1915; highest daily minimum temperature of 73 F in 1959; record precipitation of 2.33 inches in 1927. No snowfall has occurred on this date.

Average dew point for June 9th is 52°F; the maximum dew point on this date is 74°F in 1947; and the minimum dew point on this date is 23°F in 1972.

All-time state records for June 9th:

The all-time state high temperature for today's date is 102 degrees F at several locations, including Faribault (Rice County) in 1985; the all-time state low for today's date is 23 degrees F at Fort Ripley (Crow Wing County) in 1877. The all-time state record precipitation for this date is 7.20 inches at Willmar (Kandiyohi County) in 1895. There has been no snow on this date in Minnesota.

Past Weather:


June 9, 1877 brought frost to many parts of central and northern Minnesota as temperatures fell into the low 30s F and even the 20s F in many areas. Back then Minnesota was a small grain state and there were reports of crop damage to wheat and oats around the state.





Strong thunderstorms brought 3 to 7 inches of rain to many parts of Minnesota over June 9-11, 1895. Some hail and strong winds leveled crops, and the heavy rain caused rivers to rise rapidly.


Over a six hour period the evening of June 9, 1972 the Black Hills area around Rapid City, SD received up to 15 inches of rainfall. This huge rainfall stressed the Canyon Lake Dam which failed at 10:45 pm that evening and sent a wall of water down Rapid Creek and through the city. The flood crest on this watershed was more than 10 times as high as the previous record crest. Over 1300 homes were destroyed, 3000 people injured, and 238 killed. The rainfall intensity of this storm has not been observed since that time thankfully.


Far and away the hottest June 9 was in 1985 when over 30 communities reported a daytime high of 90 degrees F or greater, and at least a dozen observers reported 100 degrees or greater.


June 9-10, 2002 brought strong thunderstorms to northern Minnesota, especially Lake of the Woods and Roseau Counties. Some observers reported 10 to over 14 inches of rainfall. Floodwaters covered the city of Roseau and a tremendous flood crest went down the Roseau River.

Outlook:

Very hot and more humid on Saturday with Heat Index Values approaching 100°F in some places. Chance for widely scattered thunderstorms late in the day. Somewhat cooler on Sunday, but still warmer than normal, with a chance for showers and thunderstorms. Continued warm and humid for Monday through Wednesday next week, with chances for thunderstorms. Somewhat cooler towards the end of the week.












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