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Showing posts from May, 2009

5/31/09: Sunday's Weather Report

Issued at 5:00 PM CDT, Sunday, May 31st, 2009

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

Low pressure of 1002 mb was moving east-southeast out of Southeast North Dakota This Afternoon while a warm front which was attached to this low lifts north-east toward Central Minnesota while a cold front moves southeast out of Western Minnesota. Strong warm air advection was occurring Today out ahead of this low and north-east of the warm front and this has helped in producing areas of showers and scattered thunderstorms Today over Northern Minnesota and Northwest Wisconsin. A strong southwesterly low level jet of 30-45 knots was found across our area Today ahead of this weather system which is helping to bring strong warming into our area Today. Dangerous lightning strikes and brief heavy downpours have occurred over parts of the area Today in the stronger storms. A wide range in high temperatures were observed across our area Today with temperatu…

5/30/09: Saturday's Weather Report

Issued at 2:45 PM CDT, Saturday, May 30th, 2009

Here are the local storm reports from Friday, May 29th, 2009. Data provided by the National Weather Service in Duluth, Minnesota.

Askov MN (Pine County) 0.75" diameter hail at 450 PM CDT

Buhl MN (St. Louis County) 1.00" diameter hail at 705 PM CDT (Quarter to dime size hail)

Cherry MN (St. Louis County) 0.75" diameter hail at 710 PM CDT

Following headlines issued by the National Weather Service in Duluth, Minnesota.

*Freeze Warning* in effect from Midnight CDT Tonight until 7 AM CDT Sunday for parts of Northeast Minnesota and Northwest Wisconsin.

Counties included:

Central and Northern St. Louis MN...Northern Lake MN...Northern Cook MN...Bayfield WI...Ashland WI...Iron WI...Sawyer WI...and Price WI.

High pressure will move into the region Tonight which will result in diminishing winds and mainly clear skies. An unusually cold and dry airmass will allow temperatures to fall into the 20s to low 30s in the warning area Overnight…

5/29/09: Friday's Weather Report

Issued at 2:59 PM CDT, Friday, May 29th, 2009

Following headlines issued by the National Weather Service in Duluth, Minnesota:

*Freeze Watch* in effect late Saturday Night for parts of Northeast Minnesota and Northwest Wisconsin...

Counties included:

Central and Northern St. Louis MN...Northern Lake MN...Northern Cook MN...Bayfield WI...Ashland WI...Iron WI...Sawyer WI...and Price WI...

High pressure will build into our area Saturday Night this combined with diminishing winds will result in a rapid drop in temperatures across parts of the area late Saturday Night. Low temperatures are forecast to reach or fall below 32 degrees which could result in frost and a hard freeze over portions of Northeast Minnesota and Northwest Wisconsin...away from Lake Superior.

A freeze watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation.

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

Partly to mostly clo…

5/28/09: Thursday's Weather Report

Issued at 5:21 PM CDT, Thursday, May 28th, 2009

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

After a few days of clouds and rather cool temperatures...Today featured a return to gorgeous Spring weather across our area with plenty of sunshine and high temperatures mainly in the 70s with a few locations nearing 80 degrees This Afternoon! 850 mb temperatures as of 5 PM CDT ranged from +10 to +12 degrees C across Northeast Minnesota and Northwest Wisconsin. Weather map late This Afternoon features a 1004 mb low centered over Lake Huron with a weak cold front passing southeast through Northeast-Eastcentral Minnesota.

(Today's Upper Level Analysis)

An H5 ridge covered the Western U.S. with a fast west-northwest upper level flow now beginning to develop across the Northern Plains as the upper trough which was over the Great Lakes on Wednesday heads toward Eastern Canada and is replaced with another H5 low which was centered over Western Hudson Ba…

5/27/09: Wednesday's Weather Report

Issued at 3:22 PM CDT, Wednesday, May 27th, 2009

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

Overcast skies continued over most of the area Today with some rain affecting Southern Sawyer...Price...and Southern parts of Ashland-Iron Counties in Northwest Wisconsin Today as low pressure of 1004 mb moves through Southern Lake Michigan. There are some hints that some partial clearing was starting to occur as of mid-Afternoon generally over far Northern Minnesota and also along the North Shore of Lake Superior as drier air starts to filter south into our area behind the Lake Michigan low. Temperatures This Afternoon were running in the 40s and 50s with 3 PM 850 mb temperatures of +4 to +6 degrees C across Northeast Minnesota and Northwest Wisconsin. Winds Today were out of the north or east at 10-20 mph.

(Today's Upper Level Analysis)

Shortwave trough continues to lift northeast into the Great Lakes This Afternoon with the deformation type ra…

5/26/09: Tuesday's Weather Report

Issued at 3:19 PM CDT, Tuesday, May 26th, 2009

Weather History

On this date in 1992... A record low temperature of 28 degrees occurred at Duluth, Minnesota.

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

Cloudy day with high temperatures generally in the 50s but there were some locales that stayed in the upper 40s while a few others climbed into the low 60s. 850 mb temperatures as of 3 PM CDT ranged from +6 to +10 degrees C across Northeast Minnesota and Northwest Wisconsin. Winds were generally from the south, east, or north around 15 mph or less. Rain was widespread last night across Northcentral Minnesota with rainfall estimates per Duluth Doppler Radar showing anywhere from 0.40"-1.75" of rain over the past 24 hours over Northern Cass...Northern Itasca...most of Koochiching...into Northern St. Louis Counties...The heaviest area of rain fell over Southeast Koochiching into Northwest St. Louis County...North of a line from Effie an…

5/25/09: Monday's Weather Report

Issued at 2:24 PM CDT, Monday, May 25th, 2009

Note: Today marks the one year anniversary of the Hugo Minnesota tornado that struck on May 25th, 2008. Numerous supercells with large hail and tornadoes developed during the Afternoon-Evening hours of Sunday, May 25th, 2008 generally along the Interstate 94 corridor in Central and Eastcentral Minnesota as an area of low pressure and warm front moved from Western Minnesota to Eastern Minnesota.

Weather History:

On this date in 1990... A record low temperature of 30 degrees occurred at Duluth, Minnesota.

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

A mix bag of weather on this Memorial Day 2009 with overcast skies and occasional rain affecting far Northern Minnesota...generally over the counties of Koochiching...Northern St. Louis and Western-Northern Itasca... The remainder of the area was dry Today with more sunshine found in Northwest Wisconsin and Eastcentral Minnesota with mostly cloudy skies …

5/24/09: Sunday's Weather Report

Issued at 5:26 PM CDT, Sunday, May 24th, 2009

Weather History:

On this date in 1989... 1.81" of rain fell at Duluth, Minnesota.

On this date in 2002... A trace of snow fell at Duluth, Minnesota.

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

Another pleasant Spring day across the area with some passing high clouds at times, but for the most part skies were sunny with high temperatures in the 60s and 70s with cooler 40s and 50s near Lake Superior. 850 mb temperatures as of 5 PM CDT were right around +8 degrees C across Northeast Minnesota and Northwest Wisconsin. Winds Today were generally from the north or east around 5-15 mph. Surface map late This Afternoon featured an area of low pressure of 1006 mb centered over Eastern Wyoming with a warm front attached to this low stretching from Southeast Wyoming to Northern Kansas. High pressure of 1022 mb was beginning to shift east out of our area This Afternoon while low pressure of 1006 mb co…

5/23/09: Saturday's Weather Report

Issued at 2:29 PM CDT, Saturday, May 23rd, 2009

30 Day Outlook for June 2009 issued by the Climate Prediction Center on May 21st, 2009:

For Duluth:

Temperatures: Equal chances of above normal, normal, or below normal temperatures.

Precipitation: Equal chances of above normal, normal, or below normal precipitation.

90 Day Outlook for June 2009 through August 2009 issued by the Climate Prediction Center on May 21st, 2009:

For Duluth:

Temperatures: 33% chance of having Below Normal Temperatures.

Precipitation: Equal chances of above normal, normal, or below normal precipitation.

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

High pressure of 1024 mb was centered over Central North Dakota as of mid-Afternoon while the cold front which moved through our area last night centers itself over Central Wisconsin down into Central Iowa. An area of clouds which covered parts of Northern Minnesota during the Morning hours has since burned off leaving in it's…

5/22/09: Friday's Weather Report

Issued at 4:11 PM CDT, Friday, May 22nd, 2009

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

High pressure of 1024 mb which brought a shot of cool-crisp temperatures to the area early Today has shifted into the Eastern Great Lakes This Afternoon while a weak area of low pressure of 1018 mb moves into Southeastern Manitoba Province. A cold front attached to this low was beginning to move into Northwest Minnesota as of mid-Afternoon. We saw partly to mostly sunny skies across the area Today with a couple of showers passing through far Northern areas of Minnesota. Highs Today were in the 60s and 70s with cooler 40s and 50s near Lake Superior. 3 PM 850 mb temperatures ranged from +5 to +9 degrees C across Northeast Minnesota and Northwest Wisconsin. Winds Today were out of the south, southwest, or east around 20 mph or less.

(Today's Upper Level Analysis)

Westerly flow aloft was in place across the Upper Midwest Today while a shortwave trough…

5/21/09: Thursday's Weather Report

Issued at 4:50 PM CDT, Thursday, May 21st, 2009

West Duluth Rainfall Total from Wednesday: Around 0.10"

*Record Event*

An all time record high temperature was established at Duluth, Minnesota on Wednesday, May 20th, 2009. The high temperature for the day was 88 degrees which broke the previous record high temperature of 87 degrees which was set in 1925.

Weather tidbits from Wednesday, May 20th, 2009:

Temperature increase of 54 degrees occurred at the Duluth Airport from a Morning low of 34 degrees to an Afternoon high of 88 degrees

One hour temperature increase from 77 degrees to 87 degrees occurred between 2 PM-3 PM at the Duluth Airport.

Temperature difference of over 40 degrees occurred between the Duluth Lift Bridge and the Duluth Airport. Temperatures ranged from 47 degrees at the Lift Bridge to 88 degrees at the Duluth Airport. Then a wind shift to the southwest sent temperatures soaring toward 90 degrees around 5 PM at the Duluth Lift Bridge.

A wind shift to the southwest occu…

5/20/09: Wednesday's Weather Report

Issued at 2:46 PM CDT, Wednesday, May 20th, 2009

Note: The temperature jumped 10 degrees between 2PM and 3 PM Today at the Duluth Airport... Temperature went from 77 to 87 degrees in one hour as this heat blast moves in from Central Minnesota.

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

Temperatures and winds are out of control for about 99% of the area Today as low pressure of 1002 mb heads into Western Minnesota as of 2 PM while a cold front connected to this low begins it's eastward track out of Northwest Minnesota and the Eastern Dakotas. The strong warm front which resulted in the development of elevated severe thunderstorms while surface temps were hovering in the 30s last night over the Arrowhead of Minnesota...north to Thunder Bay and around the Lake Nipigon areas in Southern Ontario has shifted north of the area as of mid-Afternoon. Result from this has been for the wind to shift to the south and southwest while wind speeds in…

5/20/09: Red Flag Warning Information

Issued at 7:49 AM CDT, Wednesday, May 20th, 2009

Following headlines issued by the National Weather Service, Duluth, MN:

*Red Flag Warning* in effect from 10 AM CDT This Morning until 7 PM CDT This Evening for parts of Northcentral and Eastcentral Minnesota.

Counties included:

Cass...Crow Wing...Aitkin...and Pine

Warm temperatures...low relative humidites...dry fuels...and strong southerly winds will bring the potential for explosive fire weather conditions Today through early This Evening for Cass...Crow Wing...Aitkin...and Pine counties in Minnesota.

Tim

5/19/09: Tuesday's Weather Report

Issued at 3:25 PM CDT, Tuesday, May 19th, 2009

From the National Weather Service in Duluth, MN:

*Fire Weather Watch* in effect from Wednesday Morning through Wednesday Evening for the following counties in Eastcentral and Northcentral Minnesota: Cass...Crow Wing...Aitkin...And Pine... Fire weather conditions will approach red flag warning Wednesday... Warm temperatures...low relative humidities...dry fuels...and strong south winds will bring the potential for explosive fire weather conditions to parts of the area for Wednesday.

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

An amazing temperature spread Today across Minnesota as a potent warm front begins it's northward journey out of Southern Minnesota This Afternoon. Temperatures south of this boundary were in the 80s and 90s This Afternoon across Southern Minnesota with a few locales nearing 100 degrees with heat indices generally in the 90s with dewpoints mainly in the 50s while strong…

5/18/09: Monday's Weather Report

Issued at 3:11 PM CDT, Monday, May 18th, 2009

Weather History:

On this date in 1998... A record high temperature of 85 degrees occurred at Duluth, Minnesota.

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

(Today's Weather)

Cold front is moving somewhat slower than expected but the net result hasn't been too drastic around our area Today. We saw partly-mostly sunny skies with very pleasant mid May temperatures which topped out in the 60s and 70s while strong south or southwest winds at 15-35 mph switched to the north and west across far Northern Minnesota This Afternoon as the cold front passed through those areas. Dewpoints are really having a tough time climbing ahead of this cold front Today with dews as of 3 PM pooling in the 40s to around 50 degrees along the surface front while PWS have been rising to 0.80" right along the surface front while 0.60"-0.70" readings were found across Northwest Wisconsin and Eastcentral Minnesota This Afterno…

5/18/09: Red Flag Warning Information

Issued at 12:13 PM CDT, Monday, May 18th, 2009

Following headline issued by the National Weather Service in Duluth, Minnesota:

*Red Flag Warning* in effect for parts of Northeast...Eastcentral...and Northcentral Minnesota until 7 PM CDT This Evening...

Counties included:

Cass...Crow Wing...Aitkin...Southern St. Louis...Carlton...And Pine...

Strong south to southwest winds at 15-30 mph combined with high temperatures reaching the 70s and relative humidities falling to 25-30 percent and dry fuels will create the potential for explosive fire growth across parts of the area Today through early This Evening... A cold front will be dropping south into our area by This Evening and this should cause conditions to improve at that time.

Tim

5/17/09: Sunday's Weather Report

Issued at 5:38 PM CDT, Sunday, May 17th, 2009



Weather History



On this date in 1987... 1.49" of rain fell at Duluth, Minnesota.



On this date in 1988... A record low temperature of 26 degrees occurred at Duluth, Minnesota.



Forecast Discussion for Northeast Minnesota and Northwest Wisconsin



(Today's Weather)



Temperatures are moderating Today thanks to a southerly flow which has been developing on a backside of a strong 1026 mb high which had moved into extreme Northeast Missouri as of late This Afternoon. Partly to mostly sunny skies were found across Northeast Minnesota and Northwest Wisconsin Today with high temperatures mainly in the 60s with late Afternoon 850 mb temperatures of +4 degrees C across the entire area. Winds Today were from the southwest or west around or less than 20 mph.



(Today's Upper Level Analysis)



Northwest flow aloft was in place across the Upper Midwest Today with the deep and very cold upper level trough which was over our area 24 hours ago now centered ove…