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Aurora alert! Powerful geomagnetic storm could spark northern lights as far south as Illinois tonight
space.com ^ | 03/18/2026 | Daisy Dobrijevic l

Posted on 03/18/2026 9:47:01 AM PDT by BenLurkin

The possible arrival time for the incoming solar storms is still evolving, and depends on which of the multiple CMEs strike Earth and what effect they have.

According to NOAA's latest forecast, the first impacts could begin as early as 11 p.m. EDT March 18 (0300 GMT March 19), with moderate (G2) geomagnetic storm conditions most likely between 2:00 a.m. and 8 a.m. EDT (0600-1200 GMT).

However, other models, including those cited by the U.K. Met Office, suggest the main CME could arrive later on March 19 or even early March 20, prolonging auroral activity through the weekend.

Because multiple eruptions are involved, geomagnetic activity could persist for 24-48 hours or longer, rather than peaking in a single short burst. So make sure your camera batteries are charged! We could be in for multiple nights of aurora shows down at mid-latitudes.

There are decent chances for some geomagnetic storming this weekend and auroral displays further equatorward than usual. NOAA SWPC has a G2 / moderate storm watch for Thursday March 19 and a G1 / minot storm watch for Friday March 20. This is in response to at least FOUR CMEs… pic.twitter.com/o7tGTUKrjTMarch 18, 2026

(Excerpt) Read more at space.com ...


TOPICS: Astronomy
KEYWORDS: aurora; solarstorm

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1 posted on 03/18/2026 9:47:01 AM PDT by BenLurkin
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To: BenLurkin

So another weather prediction....so.....10% accurate.

Flip a coin and be 5x more accurate.


2 posted on 03/18/2026 10:09:28 AM PDT by If You Want It Fixed - Fix It
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To: BenLurkin

Dang, cloudy skies tonight and for the next few nights. Upstate NY, what can I say...


3 posted on 03/18/2026 10:17:50 AM PDT by dayglored (This is the day which the LORD hath made; we will rejoice and be glad in it. Psalms 118:24)
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To: BenLurkin

New Moon tonight, too! I don’t think our terrestrial weather is going to cooperate in my area…


4 posted on 03/18/2026 10:18:43 AM PDT by telescope115 (Ad Astra, Ad Deum…)
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To: If You Want It Fixed - Fix It

???


5 posted on 03/18/2026 10:18:55 AM PDT by Jamestown1630 ("A Republic, if you can keep it.")
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To: Jamestown1630

flipping coin is 50/50 so it is five times more accurate than one out of 10... aka 10/100 or ten percent.

five out of 10 is five times more accurate than one out of 10... if I understand it correctly.


6 posted on 03/18/2026 10:23:48 AM PDT by MIA_eccl1212 (10-10-10-10)
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To: dayglored

I wouldn’t compare space weather to meteorology.


7 posted on 03/18/2026 10:31:06 AM PDT by Jamestown1630 ("A Republic, if you can keep it.")
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To: BenLurkin

These predictions rarely pan out. But those ads won’t click themselves.


8 posted on 03/18/2026 11:30:57 AM PDT by montag813
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To: BenLurkin

The NOAA site seems to disagree:

https://www.swpc.noaa.gov/products/aurora-viewline-tonight-and-tomorrow-night-experimental


9 posted on 03/18/2026 12:31:42 PM PDT by Bigg Red ( Lord, make me an instrument of your peace.)
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To: dayglored

It’s clear as a bell here (don’t know how clear a bell is usully) in the Twilight Zone.


10 posted on 03/18/2026 2:17:45 PM PDT by Shady (#EnoughIsEnough, and we have HAD ENOUGH!)
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