Friday, February 25, 2011

2/25/11: Friday's Weather Report

Issued at 3:17 PM CST, Friday, February 25th, 2011

30 day outlook for March 2011.  Issued by the Climate Prediction Center on Thursday, February 24th, 2010.

For Duluth:

*33% chance for Below Normal Temperatures with Equal chances for Above Normal, Below Normal, or Normal precipitation.

90 day outlook for March thru May 2011.  Issued by the Climate Prediction Center on Thursday, February 24th, 2011.

For Duluth:

*33% chance for Below Normal Temperatures with Equal chances for Above Normal, Below Normal, or Normal precipitation.

Weather Tidbits:

*4th consecutive February with below average snowfall in Duluth, Minnesota.  Snowfall total so far this month:  2.9".  Average for the entire month:  11.4".  Little or no snow is expected for the rest of February which will make this the 4th February in a row with below average snowfall.  Listed below are past February snowfall totals dating back to 2006.  Note:  Our last February with above average snowfall came in 2007.

February 2006:  23.4"
February 2007:  19.7"
February 2008:    7.1"
February 2009:    7.1"
February 2010:    8.5"
February 2011:    2.9" (thru the 24th)

Low temperature report for Friday, February 25th, 2011.  Source:  NWS Duluth, Minnesota.

International Falls, MN:  -23 degrees
Grand Marais, MN:  -11 degrees
Ely, MN:  -15 degrees
Orr, MN:  -20 degrees
Crane Lake, MN:  -26 degrees
Bigfork, MN:  -20 degrees
Littlefork, MN:  -18 degrees
Northome, MN:  -16 degrees
Cook, MN:  -16 degrees
Embarrass, MN:  -22 degrees
Kabetogama, MN:  -23 degrees
2 miles south of Tower, MN:  -22 degrees

Duluth, MN:  -5 degrees

Weather History:

On this date in 1990:  A record low temperature of -26 degrees occurred at Duluth, Minnesota.

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

Today's Weather:

Arctic high pressure of 1028mb has built into the Northern Plains This Afternoon with plenty of cold air in place in the Upper Midwest.  Temperatures This Afternoon were only in the single digits in Northern Minnesota and the teens in the Northwest Wisconsin.  Note:  Some locations in North Dakota and Montana didn't even get above zero Today.  Partly to mostly cloudy skies covered our area Today with winds out of the northwest or west at 5-15 mph.

Today's Upper Level Analysis:

Westerly 500mb flow covered the Upper Midwest per RUC model analysis with lots of cold air in place with Afternoon 850mb temperatures of -20 to -26 degrees C from the Northern Rockies through the Upper Midwest.  Thursday's storm responsible for producing 253 severe weather reports (12 tornadoes) in portions of Dixie Alley has moved into the Northeast U.S. Today, in it's wake was a fast flow aloft >120 knot jet stream winds which extended from Central California through portions of the Upper Midwest to the Ohio Valley.  Several disturbances embedded within this westerly flow are pushing east through the Plains while a potent upper level low drops south through Western Oregon and Northern California per water vapor satellite imagery.

Tonight through Saturday Night:

High pressure will settle into the Upper Midwest through this period.  There could be a few flurries This Evening followed by an area of flurries or snow showers on Saturday from the Brainerd Lakes area east to Hayward and Park Falls, snow amounts on Saturday will remain under an inch.  Partly-mostly cloudy skies can be expected through Saturday Night with lows Tonight in the single digits, teens, and 20s below zero with highs on Saturday in the single digits and teens.  Lows Saturday Night will be in the single digits below to single digits above zero.  Winds will be out of the west or northwest under 20 mph through Saturday and west or southwest under 15 mph Saturday Night.

Extended Forecast:

A strong area of low pressure in the Central/Southern Plains will lift E/NE from Sunday into Monday, this low will reach the Southern Great Lakes/Lower Michigan area by early next week.  Snow or rain associated with this storm will remain well to our south/east for Sunday and Monday.  There might be a few flurries in Northern Minnesota and Northwest Wisconsin Sunday and Sunday Night, but for the most part it looks mainly dry into the middle of next week.  High temperatures will modify a bit with mainly 20s for Sunday and Monday with lows Sunday Night and Monday Night in the single digits and teens.

5 Day Forecast for Duluth/Superior

.Tonight...  Partly to mostly cloudy.  Low 4 below to 9 below.  Wind west to northwest at 5 to 15 mph.

.Saturday...  Partly sunny.  Flurries possible.  High 7 to 12.  Wind west at 5 to 15 mph.

.Saturday Night...  Partly cloudy.  Low 3 below to 2 above.  Wind west to southwest around 12 mph.

.Sunday...  Partly sunny.  High 20 to 25.

.Sunday Night...  Mostly cloudy.  Low 10 to 15.

.Monday...  Partly sunny.  High 23 to 28.

.Monday Night...  Partly cloudy.  Low 10 to 15.

.Tuesday...  Partly sunny.  High 25 to 30.

Normal temperatures Today

High:  28
Low:    9

Sunrise Tomorrow:  6:54 AM CST
Sunset Tomorrow:   5:49 PM CST

Tim