March Full Worm Supermoon: When To See It In Wisconsin

MILWAUKEE, WI — March’s full worm moon is the second of four consecutive supermoons in 2020 and will shine most brightly over Wisconsin on Monday evening, weather permitting.

The National Weather Service forecast for the Milwaukee area isn't great for stargazing, but there's always a chance.

National Weather Service Forecast For Monday

Rain. High near 51. Chance of precipitation is 80 percent.

Monday Night

Rain likely before 1 a.m., then a chance of rain and snow between 1 a.m. and 3 a.m., then a chance of snow after 3 a.m. Mostly cloudy, with a low around 31. Chance of precipitation is 60 percent.

Our planet’s natural satellite reaches peak fullness during daylight hours, at 12:48 p.m. Central Daylight Time on Monday, but will be spectacular when it rises above the horizon around sunset that evening.

Early Native Americans were quite literal when they dubbed the March full moon as the worm moon. It’s the time of year when earthworms begin working their way out of newly thawed ground and signaled the arrival of the growing season. It may also be a good reminder to modern-day gardeners that it’s time to start planning your vegetable garden and even starting some plants inside, according to The Old Farmer’s Almanac.

That’s reason enough for giddiness among people eager to get their hands in the dirt, but the March supermoon will also be a delight to gaze upon.

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You’re likely to see some websites that say the March full worm moon is the first supermoon of the year. Astronomers and astrologists disagreed on whether the February full moon was a supermoon. Space.com settles the dispute by calling it “kind of a supermoon.”

While various experts may agree to disagree, March’s full supermoon status is widely recognized. There’s also general agreement that April and May full moons qualify as supermoons.

So, what makes a full moon a supermoon?

A supermoon occurs when our natural satellite reaches its closest point to Earth in its orbit (called perigee). When that happens, the moon appears about 30 percent brighter and 14 percent larger than when the moon is at its farthest point from our planet (called apogee).

The supermoon effect is an illusion, or trick of the eye. The moon can make for slightly stronger tides, and they’ll look super under the light of a silvery moon, but that happens with every full moon.

One other thing to look forward to in April, besides the supermoon, is the beginning of spring and summer meteor showers.

The Lyrid meteor shower runs April 16-25, peaking on the 22nd and 23rd. It’s not the best of the year, reliably producing only around 20 meteors an hour, but enough have bright dust trails that it’s worth searching for them in the early morning sky. A relatively new moon will make for dark skies and ideal viewing conditions.