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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 16, 2026 08:52:29

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NOAA Scales mini

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Space Weather Conditions
on NOAA Scales
24-Hour Observed Maximums
R
no data
S
no data
G
no data
Latest Observed
R
no data
S
no data
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
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R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
R1 (Minor) Radio Blackout Impacts
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HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales

News Archive

Previous SWPC news items.

DAP - temp Head Section

News Archive

Originally Posted
Solar Cycle 25 Likely Reached the Highest Sunspot Number in over 20 Years Solar Cycle 25 Likely Reached the Highest Sunspot Number in over 20 Years Friday, August 9, 2024 - 18:27
SWPC Decision-Support for Artemis II SWPC Decision-Support for Artemis II Thursday, January 29, 2026 - 19:06
GOES-14 & 15 now in storage mode GOES-14 & 15 are now in Storage Mode Tuesday, March 10, 2020 - 15:58
WSA-Enlil v2.0 now operational Thursday, June 13, 2019 - 19:53
G1 Watch 29 October, 2022 G1 Storm Watch 29 October, 2022 UTC-Day Wednesday, October 26, 2022 - 19:44

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