Thursday, June 29, 2017

Scattered showers/few t-storms Friday and again Saturday PM with highs near 70 degrees

/Issued 6:15 PM CDT, Thursday, June 29, 2017/

Source:  http://www.pivotalweather.com

12z NSSL WRF-ARW model
















Source:  http://mrcc.isws.illinois.edu

24-hour rainfall map from June 28-29, 2017 ending the morning of June 29.
















Source:  http://www.spc.noaa.gov

Severe weather reports map for June 28, 2017.  ~30 filtered tornado reports Wednesday affecting parts of 5 states (Minnesota, Wisconsin, Iowa, Illinois and Missouri)















Rainfall reports for Wednesday-Thursday morning, June 28-29, 2017
Source:  http://www.weather.gov/dlh/

Lutsen, MN 2 WSW:  3.10 in
Duluth, MN (National Weather Service)  2.50 in
Arnold, MN 5 NE:  2.43 in
Taft, MN:  2.14 in
Duluth, MN (Airport)  2.13 in
Patzau, WI 7 E:  1.90 in
Island Lake, MN:  1.88 in
Grand Marais, MN 4 W:  1.81 in
Maple, WI 1 WSW:  1.80 in
Gary New Duluth, MN 2 NW:  1.75 in
South Range, WI 3 ENE:  1.73 in
Superior, WI 5 SE:  1.65 in
Wrenshall, MN 2 E:  1.54 in
Hovland, MN:  1.47 in
Brookston, MN:  1.26 in
Grand Portage, MN:  1.22 in
Two Harbors, MN 3 W:  1.13 in
Floodwood, MN:  1.08 in
Grantsburg, WI:  1.04 in
Ashland, WI:  1.02 in
Silver Bay, MN:  1.02 in
Two Harbors, MN:  1.01 in
Wolf Ridge, MN:  0.99 in
Orr, MN 3 SW:  0.94 in
Askov, MN:  0.72 in
Winter, WI:  0.70 in
Emily, MN:  0.70 in
Hayward, WI:  0.62 in
Keewatin, MN:  0.59 in
Park Falls, WI:  0.55 in
Cook, MN:  0.53 in
Chisholm-Hibbing, MN (Airport)  0.51 in
Hill City, MN:  0.44 in
International Falls, MN:  0.38 in
Hurley, WI:  0.22 in
Brainerd, MN:  0.20 in

Local Storm Reports for June 28, 2017
Source:  http://www.weather.gov/dlh/

*4:54 PM CDT:  FUNNEL CLOUD.  Siren, WI 2 WSW (Burnett County)

*4:53 PM CDT:  TORNADO.  Siren, WI 2 SW (Burnett County)  Brief tornado near the intersection of Peterson Road and Waldora Road.  Minor tree damage and part of a barn roof taken off.

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Note:  Another top 10 coldest high temperature on record at Duluth, Minnesota on June 28, 2017.  High temperature was 59 degrees which ties with June 28, 1989 for 9th coldest high temperature on record dating back to 1870.  The record coldest high on June 28th is 51 degrees set in 1924.  Duluth also had their 2nd wettest June 28th on record with a rainfall total of 1.80 inches -- The record wettest June 28th on record is 2.81 inches which was set 118 years ago in 1899.

Note:  High temperature of 63 degrees at International Falls, Minnesota on June 28, 2017 ties with June 28, 2009, 1982, 1965 and 1952 for 5th coldest high temperature on record.  The record coldest high on June 28th is 56 degrees set in 1951.

Weather Synopsis

Wednesday's rain maker has moved into the eastern Great Lakes today while the next system to affect us was over the northern Plains.  In between these two systems skies were partly sunny to overcast over the Northland today with milder highs compared to yesterday, highs today were in the low to mid 70s over western-southern areas with cooler 60s elsewhere.  Still some lingering spotty showers and patchy drizzle in parts of northeast Minnesota and far northwest Wisconsin today but certainly a much drier day compared to Wednesday.

Note:  High temperature of just 59 degrees at the Duluth Airport on June 28, 2017 was the coldest high temperature since May 30 (53 degrees)

An unsettled weather pattern through the weekend.  The upper level flow will turn NW once again with an upper level low remaining north of our area through Sunday.  Colder temperatures aloft will settle into the upper Midwest Friday and Saturday, this combined with some surface heating will help make the atmosphere unstable, that plus a few boundaries pushing through the region will go on to produce scattered showers and a few thunderstorms Friday and again Saturday afternoon/evening.  There will be dry hours mixed in both Friday and Saturday, but if you do get underneath a shower either day the potential does exist for a brief downpour.

As for tonight, there could be a few showers or storms targeting mainly western-southern portions of the Northland.

Lows tonight, Friday night and Saturday night will mainly be in the 50s.  Highs Friday and Saturday will be in the 60s and 70s.

Forecast for Duluth and Superior

.Tonight...  Partly to mostly cloudy.  Low 50 to 55.  Wind variable around 10 mph.

.Friday...  Considerable cloudiness (Some sun possible at times)  Scattered showers.  Isolated thunderstorms also possible.  High 68 to 73.  Wind northwest at 10 to 15 mph.

.Saturday...  Partly to mostly cloudy.  A few showers or thunderstorms possible mainly later in the day.  High around 70.  Wind northwest at 10 to 20 mph.

Normal temperatures for Friday

High:  75
Low:   53

Sunrise Friday:  5:18 AM CDT
Sunset Friday:   9:06 PM CDT

Tim