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Extension > Mark Seeley's WeatherTalk > Commentary produced June 13, 2014

Friday, June 13, 2014

Commentary produced June 13, 2014

Headlines
  • Above normal June rainfall already
  • Temperature comparison
  • Weekly weather potpourri
  • MPR listener question
  • Almanac for June 13th
  • Past weather 
  • Outlook

Above normal June rainfall already!

The Waskish observer reported a thunderstorm rainfall of 3.46 inches on June 12 (Thursday), a record for the date and the second greatest daily amount ever measured at that station in Beltrami County. Several observers have already reported heavy thunderstorms this month.



Barely two weeks into June a number of climate observers have already reported well above normal rainfall for the month, thanks to some heavy doses from thunderstorms. Some locations with abundant amounts of rainfall so far include:

5.67 inches at Hibbing
4.25 inches at Benson
4.69 inches at Dawson
4.77 inches at Pine River Dam
5.36 inches at International Falls
5.11 inches at Leech Lake
5.51 inches at Belle Plaine
4.86 inches at Prior Lake
5.17 inches at Waskish
5.71 inches at Onamia
5.92 inches at Kabetogama
6.01 inches at Luverne
5.35 inches at Redwood Falls
5.56 inches at Faribault
5.52 inches at Winnebago
6.30 inches at Cass Lake
6.78 inches at Watertown

 

Temperature comparisons

Much of Minnesota was 10-15 degrees F cooler than normal with highs only in the 50s and 60s F on Thursday, June 12. This followed a string of days with daytime temperatures primarily in the 70s and 80s F. Elsewhere, Death Valley has seen a run of above normal temperatures prevail; Here are the highs, lows, and departure from normal for recent days in June there:

Date          High           Low        Mean       Departure from Normal
June 6        116 F          85 F       100 F                       +7 F
June 7        118 F          85 F       101 F                       +8 F
June 8        120 F          83 F       101 F                       +8 F
June 9        120 F          82 F       101 F                        +8 F

In the climate of Death Valley air conditioning is not a matter of comfort, it is a matter of survivability!

Weekly weather potpourri

NOAA has released a new fact sheet on "How Climate Change Affects Extreme Events." It provides a good background on how climate science uses both observations and models to address this question. Further it shows the basis for expectations that Heat Waves and intense rainfall events will continue to increase in frequency with climate change. You can find a version of this fact sheet online here.

Tropical Cyclone Nanauk was churning in the Arabian Sea this week well off to the east of Oman. It reached peak intensity on Thursday with wind gusts over 80 mph and sea wave heights over 20 feet. By the weekend it is expected to dissipate at sea.

Hurricane Cristina was being watched by the NOAA National Hurricane Center in the Eastern Pacific Ocean well off to the west of Puerto Vallarta, Mexico. It had maximum wind gusts over 120 mph and sea wave heights up to 25 feet. Over the weekend the cloud shield from Cristina may bring rain to the southern portion of Baja California, but the storm is mostly expected to remain out to sea and dissipate by Monday.

 

MPR listener question: 

"With the wet start to this month I realized that we have had a string of years bringing wet Junes to Minnesota. How many June monthly record rainfalls have been set in recent years?"

Answer: Indeed, beginning with June of 2010 we have seen a remarkable string of wet Junes prevail. Some of the monthly records set include the following,

For 2010: 9.64 inches at Waseca, 10.66 inches at La Crescent, and 15.63 inches at Mapleton
For 2011: 8.11 inches at Slayton
For 2012: 10.03 inches at Duluth (modern era record), 13.93 inches at Floodwood, 13.86 inches at Two Harbors, 12.64 inches at Cloquet, 13.03 inches at Wright, 15.11 inches at Cannon Falls, and 13.08 inches at Red Wing
For 2013: 10.10 inches at Glencoe, 12.58 inches at Wells, and 13.26 inches at Spring Grove,

With the very wet start to this month some observers may approach their record wettest June, we'll see.

 

Twin Cities Almanac for June 13th

The average MSP high temperature for this date is 79 degrees F (plus or minus 9 degrees F standard deviation), while the average low is 58 degrees F (plus or minus 7 degrees F standard deviation).

 

MSP local records for June 13th

MSP weather records for this date include: highest daily maximum temperature of 100 degrees F in 1956; lowest daily maximum temperature of 49 degrees F in 1947; lowest daily minimum temperature is 37 degrees F in 1969; highest daily minimum temperature of 77 F in 1956; record precipitation of 2.37 inches in 2001; and there has been no snow on this date.

Average dew point for June 13th is 55 degrees F, with a maximum of 74 degrees F in 2001 and a minimum of 29 degrees F in 1933.

 

All-time state records for June 13th

The state record high temperature for this date is 104 degrees F at Redwood Falls (Redwood County) in 1956. The state record low temperature for this date is 25 degrees F at Cotton (St Louis County) in 1969. State record precipitation for this date is 6.08 inches at Red Wing (Goodhue County) in 1950; and no measurable snowfall has occurred on this date.

 

Past weather features

June 10-13, 1956 brought a Heat Wave to Minnesota. Nearly every observer in the state saw daytime temperatures reach into the 90s F, except for Grand Marais which only reached a maximum of 82 degrees F. A dozen Minnesota cities hit the century mark in temperature with nighttime lows only falling into the 70s F.

The coldest June 13th in state history occurred in 1969 when frost swept across many northern communities. Over a dozen communities saw the thermometer drop into the 20s F, and ground frost was reported as far south as Luverne.

June 13, 1991 brought dangerous and disruptive weather to the U.S. Open Golf Championships being held at Hazeltine National Golf Club in Chaska. During first round play a thunderstorm brought rain and lightning to the course suspending play shortly before 1:00 pm. Six spectators taking cover were injured when the tree nearby the 11th hole tee was struck by a lightning bolt. One of the people died of cardiac arrest. For the past several years meteorologists from Schneider Electric (with offices in Burnsville, MN) have provided on-site forecasting for PGA events.

 

Outlook

Cooler than normal temperatures prevalent throughout the weekend, with daily chances for showers and thunderstorms, especially late Saturday into early Sunday. Warming up to near normal Monday and mostly dry, then increasing cloudiness for Tuesday through Thursday with chances for showers and thunderstorms.

 

Further information

For older versions of the "Minnesota WeatherTalk" newsletter go to http://www.climate.umn.edu/weathertalk/.

For access to other information resources go to http://www.climate.umn.edu/Seeley/.

NOTE: News releases were current as of the date of issue. If you have a question on older releases, use the news release search (upper left-hand column of the News main page) or the main Extension search (upper right of this page) to locate more recent information.  

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