MaineAuroraBorealisWatch - Maine Aurora Borealis Watch

Good evening and welcome to the official MABW evening forecast, a bit early, since we are having a sudden increase in activity, some of which will be entering our earthly ionosphere shortly, before dark, but, it’s a good hit and conditions may last into the dark. Looks like some patchy clouding still up north and […]

December 3, 2025, UTC 23:00

December 3, 2025

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| MaineAuroraBorealisWatch

| 6:00 pm

Good evening and welcome to the official MABW forecast for December 3 and into December 4, 2025. The time is now 12/3/2025 UTC 22:55. Well, what I said this morning and what Chris said this evening. A sudden strengthening of the Interplanetary Magnetic Field is indeed underway. There will be a stronger burst in about 15-20 […]

December 3, 2025, UTC 11:25, Local 6:25

December 3, 2025

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| MaineAuroraBorealisWatch

| 6:25 am

Solar Wind Speed: 372 km/sec Solar Wind Magnetic Fields: Bt 11 nT, Bz -8 nT

December 3, 2025, 11:19 UTC

December 3, 2025

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| MaineAuroraBorealisWatch

| 6:24 am

A G2 (Moderate) Watch is in effect for 3 – 4 December, due to the potential interaction between a nearby passing coronal mass ejection (CME) and inbound coronal hole high speed stream (CH HSS). The CME was observed on 01 Dec associated with an X1.9 at 01/0249 UTC from Region 4299. Although most of the […]

Dec 1, 2025, UTC 11:38

December 1, 2025

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| MaineAuroraBorealisWatch

| 6:39 am

Solar Wind Speed: 463 km/sec Solar Wind Magnetic Fields: Bt 5 nT, Bz -1 nT

December 1, 2025, UTC 11:36

December 1, 2025

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| MaineAuroraBorealisWatch

| 6:37 am

Good morning! An X-flare was detected at 2:49 UTC from a coronal hole just coming into view. No CME activity has been seen as of yet, but, enhanced solar winds could come into play in a couple days, depending on what happens. https://www.swpc.noaa.gov/news/x19-flare-r3-strong-event

Geoeffective Coronal Hole Dec 1-6

November 29, 2025

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| MaineAuroraBorealisWatch

| 8:34 pm

This one is 22% smaller than on the last transit, but, was responsible for many major alerts the last time around. We’ll be keeping an eye out!

November 30, 2025 UTC 01:14

November 29, 2025

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| MaineAuroraBorealisWatch

| 8:14 pm

Good evening and welcome to the official MABW forecast for November 30, UTC 01:11. A mild substorm is developing. Skies are clear, but the 50% plus moon will be a factor. Current Conditions: Updated, UTC 01:25 Updated, UTC 01:27 In other news, we had a Moderate flare earlier this afternoon that may develop some CMEs, […]

November 25, 2025, UTC 21:48

November 25, 2025

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| MaineAuroraBorealisWatch

| 4:55 pm

Or, 5:48 Maine Time. The G1 level storming NOAA/SWPC predicted for tonight into tomorrow morning is coming earlier than forecast yesterday, which is good news, because if this pans out, it will still be dark. Looks like an active G1 period forecast from 11 pm- 1 am local Maine time. If you look at the […]