Tuesday, March 7, 2017

High winds/scattered power outages to continue in the Northland tonight (Powerful storm over Ontario) Snow showers tonight-early Wed AM; Arctic blast late this week. Wind, snow and rain reports in this post

/Issued 5:23 PM CST, Tuesday, March 7, 2017/

Headlines map as of 5 PM, March 7, 2017.  Source:  http://www.weather.gov/crh/















What. A. Storm. So cool looking, wow!  Source:  http://weather.cod.edu

Water vapor satellite image from late this afternoon, March 7, 2017.
















A very cool map showing the tight gradient between above normal 850mb temperatures to below normal 850mb temperatures from Tuesday morning, March 7, 2017 per 12z European Ensemble model.  A classic storm with warm air bending NW while cold air surges SE.  Source:  http://www.tropicaltidbits.com














Monday, March 6, 2017 warnings map.  Source:  http://www.nws.noaa.gov/regsci/gis/index.html

Red=Tornado warning
Blue=Severe thunderstorm warning

Note:  410 warnings issued by the NWS on Monday.













Filtered storm reports from March 6, 2017.  Source:  http://www.spc.noaa.gov

Red dots=Tornado
Blue dots=Wind
Green dots=Hail

491 preliminary filtered storm reports from Monday including 35 reports of tornadoes.















Warnings map from the past 7 days.  Source:  http://www.nws.noaa.gov/regsci/gis/week.html

Red=Tornado warning
Blue=Severe thunderstorm warning
Green=Flash flood warning

Note:  1250 warnings issued by the NWS during the past 7 days.













A ton of lightning during the past 24 hours.  All those yellow, orange and red dots are lightning strikes since Monday.  Source:  https://www.lightningmaps.org
















Tonight's low temperature forecast.  Source:  https://graphical.weather.gov




















Wednesday's high temperature forecast.  Source:  https://graphical.weather.gov




















Local Storm Reports from March 6-7, 2017
Source:  http://www.weather.gov/dlh/

*12:45 AM 3/7/2017:  HAIL.  0.25 inch diameter.  Solon Springs, WI 2 NE (Douglas County)

*6:32 PM 3/6/2017:  HAIL.  0.25 inch diameter.  Henriette, MN 4 S (Pine County)  Pea size hail and gusty winds.

*5:45 PM 3/6/2017:  HAIL.  0.25 inch diameter.  Brainerd, MN 3 N (Crow Wing County)

*5:10 PM 3/6/2017:  HAIL.  1.50 inch diameter.  East Gull Lake, MN 3 E (Crow Wing County)  There were hailstones ranging from 1 to 1.5 inches in diameter.

*4:44 PM 3/6/2017:  HAIL.  0.50 inch diameter.  Nisswa, MN 2 ESE (Crow Wing County)

*4:39 PM 3/6/2017:  HAIL.  0.75 inch diameter.  East Gull Lake, MN 3 ENE (Crow Wing County)  A few hailstones up to the size of pennies but most smaller than that.

*4:35 PM 3/6/2017:  HAIL.  0.50 inch diameter.  East Gull Lake, MN 3 ENE (Crow Wing County)

*EF-1 tornado in Sherburne County Minnesota on Monday*
Source:  http://www.weather.gov/mpx/

Date:  March 6, 2017
Time:  5:36 to 5:49 PM CST
EF rating:  EF-1
Estimated Peak Winds:  107 mph
Path length:  8.9 miles
Path width:  300 yards
Injuries/Deaths:  None

Note:  Record earliest date that a tornado was ever recorded in Minnesota -- March 6, 2017.  The previous earliest was March 18, 1968.

Precipitation reports from March 6-7, 2017
Source:  http://www.weather.gov/dlh/

Cotton, MN:  0.70"
Grand Portage, MN:  0.61"
Embarrass, MN:  0.60"
Clam Lake, WI 4 W:  0.60"
Brainerd, MN 7 NW:  0.60"
Wright, MN 3 E:  0.60"
Hayward, WI:  0.47"
Isle, MN 12 N:  0.44"
Grand Marais, MN:  0.42"
Ashland, WI:  0.35"
Cook, MN:  0.25"
Island Lake, MN 4 E:  0.25"
Duluth, MN:  0.24"
Orr, MN 3 E:  0.21"
Hibbing, MN:  0.17"
Brainerd, MN:  0.14"

Snowfall reports from early this morning, March 7, 2017
Source:  http://www.weather.gov/dlh/

Cass Lake, MN:  2.3"
Brainerd, MN 7 NW:  1.8"
Island Lake, MN 4 E:  1.1"
Embarrass, MN:  1.0"

Power outage maps at the links below

Lake Country Power http://mi.lcp.coop:82/#viewer-menu-parent

Minnesota Power http://outagemap.mnpower.com/external/default.html

Peak wind gusts from Tuesday, March 7, 2017
Source:  http://www.weather.gov/dlh/

The Bay Of Grand Marais, MN:  66 mph
Silver Bay Marine, MN:  62 mph
Ashland, WI:  59 mph
Duluth, MN (Airport)  58 mph
Virginia, MN 1 WSW:  57 mph
Proctor, MN 2 SW:  55 mph
Duluth, MN 1 E:  54 mph
Hinckley, MN:  54 mph
Minong, WI 7 WNW:  54 mph
Sky Harbor, MN:  52 mph
Clam Lake, WI 3 W:  52 mph
Brainerd, MN:  49 mph
Siren, WI:  49 mph
International Falls, MN:  49 mph
Two Harbors, MN:  49 mph
Superior, WI:  49 mph
Cloquet, MN:  49 mph
Walker, MN:  48 mph
Hibbing, MN 5 E:  48 mph
Phillips, WI:  48 mph
Northome, MN:  46 mph
Ely, MN:  46 mph
Cook, MN:  45 mph
Bigfork, MN:  45 mph
Aitkin, MN:  43 mph

Weather Synopsis for northeast Minnesota and northwest Wisconsin

High winds will persist tonight thanks to a deep area of low pressure over northern Ontario Province.  850mb winds ~50 knots, and 925mb winds ~40 knots will remain over the Northland tonight which should lead to wind speeds of 20-30 mph with gusts from 40 to nearly 60 mph.  Note:  Expect a continutation of scattered power outages through the night due to fallen trees and downed wires.

Snow showers will also sweep through the area tonight into early Wednesday morning with brief visibility reductions likely.  New snowfall should be in the half inch to one inch range by Wednesday morning.

Lows tonight will be in the single digits and teens with highs Wednesday in the teens and 20s.

Normal temperatures in Duluth for Wednesday

High:  31
Low:  14

Sunrise Wednesday:  6:35 AM CST
Sunset Wednesday:   6:05 PM CST

Tim