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National Oceanic and Atmospheric Administration

Thursday, May 02, 2024 07:40:07

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NOAA Scales mini

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Space Weather Conditions
on NOAA Scales
24-Hour Observed Maximums
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Latest Observed
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R1-R2 --
R3-R5 --
S1 or greater --
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R1-R2 --
R3-R5 --
S1 or greater --
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R1-R2 --
R3-R5 --
S1 or greater --
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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

3 January non-Earth directed CME from AR beyond east limb

3 Jan 23 CME
3 January non-Earth directed CME from AR beyond east limb
published: Wednesday, January 11, 2023 03:16 UTC

A coronal mass ejection (CME) occurred from just beyond the east limb on 3 January, 2023. This CME appeared to be associated with a C3 flare at 03/0646 UTC. The flare was observed in GOES SUVI imagery and appeared to emanate from an active region (AR) just beyond the east limb. NSO/GONG helioseismology data indicated a likely AR about one day or so from rotating onto the visible solar disk. Since CMEs can expand considerably during their interplanetary transit, this CME was analyzed closely and modeled. Results indicated a passage most likely to be behind Earth's orbit on 6 January. Continue to visit our website the stay informed with our latest forecasts.