Monday, April 18, 2011

4/18/11: Monday's Weather Report

Issued at 3:33 PM CDT, Monday, April 18th, 2011

All headlines issued by the National Weather Service Duluth, Minnesota.

*WINTER WEATHER ADVISORY*

Winter Weather Advisory is in effect from 6 PM CDT Tuesday until 12 PM CDT Wednesday for the following counties in Northwest Wisconsin:  Ashland...Iron...Sawyer...and Price.  Some cities included in the advisory are:  Ashland WI...Butternut WI...Hurley WI...Gile WI...Upson WI...Hayward WI...Exeland WI...Winter WI...Park Falls WI...Phillips WI...and Ogema WI.

Impacts:  Snow will develop in portions of Northwest Wisconsin Tuesday Evening.  The snow may start as a mixture of rain, sleet, and snow before turning to all snow by late tuesday Night.  The snow is expected to continue into Wednesday Morning before ending Wednesday Afternoon.  Total snowfall accumulations of 2-4" are expected in the advisory area by Wednesday Afternoon.

*Roads could become snow covered and slippery Tuesday Night and Wednesday Morning.  Use caution and slow down if you plan to travel.

A winter weather advisory for snow means that accumulating snow will cause travel difficulties.  Be prepared for snow covered roads and reduced visibility and use caution while driving.  Allow extra time to reach your destination.

U.S. severe weather data.  Source:  SPC.

Preliminary tornado count for April 2011 (thru the 17th)  406
Preliminary tornado count for 2011:  598 (thru the 17th of April)
Number of severe weather reports so far in 2011:  6,481

2010 from January-April had 276 tornado reports and 2,478 severe weather reports.

Note:  Severe weather reports consist of hail at least 1.00" in diameter and or damaging wind gusts of at least 60 mph.

Weather Headlines:

*Dry Tonight
*Biggest snows expected to fall south/southeast of the Northland Tuesday-Wednesday
*A very active weather pattern continues thru at least early next week

Forecast Discussion for Northeast Minnesota and Northwest Wisconsin

Today's Weather:

High pressure of 1018mb was in control of our weather Today with partly sunny to mostly cloudy skies across our area.  Another day of below normal high temperatures with readings only in the 30s with some 40s in southern areas.  Winds Today were variable or east-northeast in direction under 15 mph.

Tonight:

High pressure will remain in control of our weather while low pressure pulls out into the Southcentral Plains.  Partly to mostly cloudy skies will be found in our area Tonight with lows in the 20s, but a few teens are possible in far Northern Minnesota.  Winds will be out of the north or east under 15 mph.

Tuesday:

High pressure heads north-northeast of our area with low pressure of around 995mb lifting northeast out of the Southcentral Plains into Central Illinois by late Tuesday Night.  Partly sunny to mostly cloudy skies are expected Tomorrow with highs in the 30s and 40s with east or northeast winds at 10-25 mph.

Tuesday Night and Wednesday:

Low pressure is forecast to move from Central Illinois to the Eastern Great Lakes.  Precipitation associated with this low will spread north Tuesday Evening with snow or a mix of rain and snow turning to all snow developing in Northwest Wisconsin with some light snow/flurries developing in Eastcentral Minnesota.  Snow will end from west to east on Wednesday as the area of low pressure moves farther off to the east.  Mostly cloudy skies are expected during this period with lows Tuesday Night in the 20s to around 30 degrees with highs Wednesday in the 30s and 40s.

Note:  Total snowfall accumulations of 2-4" are expected Tuesday Night and Wednesday east of a line from Ashland to Hayward, Wisconsin.  1-2" are possible for the rest of Northwest Wisconsin, with around an inch possible in Eastcentral Minnesota.

Extended Forecast:

Looks mainly dry for Wednesday Night and Thursday with the next low pressure system heading out into the Southern-Central Plains late this week, this next low will then move into the Central/Eastern Great Lakes by Saturday, April 23rd.  Another round of light rain or snow is possible for portions of Northern Minnesota and Northwest Wisconsin from Thursday Night through early Saturday.  Lows Wednesday Night and Thursday Night will be in the 20s and 30s with highs on Thursday in the 40s to lower 50s.

Another storm could move into the Upper Midwest sometime between Sunday-Tuesday, April 24th-26th, this one could bring with it a thunderstorm threat per latest EURO model.

5 Day Forecast for Duluth/Superior

.Tonight...  Partly to mostly cloudy.  Low 24 to 29.  Wind east to northeast around 12 mph.

.Tuesday...  Partly sunny.  High 36 to 41.  Wind east to northeast at 10 to 20 mph.

.Tuesday Night...  Snow showers or flurries developing.  Mostly cloudy.  Low 27 to 32.  Wind northeast at 10 to 20 mph.

.Wednesday...  Snow showers or flurries possible.  Total snowfall accumulations around 1".  Mostly cloudy.  High 37 to 42.

.Wednesday Night...  Partly cloudy.  Low 25 to 30.

.Thursday...  Partly cloudy.  High 47 to 52.

.Thursday Night...  Becoming mostly cloudy.  Low 30 to 33.

.Friday...  Light rain or snow possible.  Mostly cloudy.  High 40 to 45.

Normal temperatures for Today

High:  50
Low:  30

Sunrise Tomorrow:  6:14 AM CDT
Sunset Tomorrow:   8:02 PM CDT

Tim