Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

The first day of meteorological winter officially begins Monday morning. Monday is the shortest day of the year, and tonight is the longest night. Each day will get a little longer until June 20th.

	Sunrise	Sunset	Daylength (hours)
Madison:
December 19, 2020	7:25 AM	4:25 PM	8:59:51
December 20, 2020	7:26 AM	4:25 PM	8:59:45
December 21, 2020	7:26 AM	4:26 PM	8:59:45
December 22, 2020	7:27 AM	4:26 PM	8:59:48
Milwaukee:
December 19, 2020	7:19 AM	4:19 PM	9:00:07
December 20, 2020	7:20 AM	4:20 PM	9:00:02
December 21, 2020	7:20 AM	4:20 PM	9:00:01
December 22, 2020	7:21 AM	4:21 PM	9:00:05

source: https://www.esrl.noaa.gov/gmd/grad/solcalc/ and https://www.timeanddate.com/sun/usa

https://www.esrl.noaa.gov/gmd/grad/solcalc/table.php?lat=43.0731&lon=-89.4012&year=2020

https://www.esrl.noaa.gov/gmd/grad/solcalc/table.php?lat=43.0389&lon=-87.9065&year=2020

The Winter Solstice occurs on Monday, December 21st at 4:02 am (10:02 UTC, Dec 21). This is when the Sun is directly overhead at "high noon" at the Tropic Of Capricorn, or -23.5 degrees of latitude south of the equator. The Summer Solstice, on the other hand, is when the sun is directly overhead at "high noon" at the Tropic Of Cancer, or +23.5 degrees latitude north of the equator. The shortest daylight hours of the year are around the Winter Solstice. For more info, go here: https://scijinks.gov/solstice/â€‹

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Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

Winter Solstice Occurs Monday, December 21st at 4:02 AM