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Topic: Solar radiation

X5.0 solar flare (R3 Strong Radio Blackout) from NOAA/SWPC Region 3536, which occurred on 12/31/23.The flare was the largest observed since September 10, 2017, when an X8.2 flare occurred. Each sunspot is about the same size as the diameter of Earth, or even larger.

What to expect from the peak of Solar Cycle 25

January 19, 2024

Focus areas:

Weather

Topics:

satellites

solar radiation

space weather

Solar minimum - the period when the sun is least active - is seen in this image from the Solar Ultraviolet Imager aboard NOAA's GOES-East satellite on Dec. 15, 2019. Scientists at NOAA and NASA have officially determined and announced (September 15, 2020) that we are now in Solar Cycle 25, which started in December 2019.

It's official: Solar Cycle 25 began December 2019 and will peak in 2025

September 15, 2020

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Topics:

Don’t let the sunshine ruin your day. Check the UV Index first.

July 16, 2019

Focus areas:

Weather

Topics:

solar radiation

sun safety

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