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National Oceanic and Atmospheric Administration

Sunday, April 22, 2018 05:02:46

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NOAA Scales mini

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Space Weather Conditions
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
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

R1 (Minor) Radio Blackout Observed on 01 April 2017 at 2148 UTC

The D-Region Absorption Prediction Model
R1 (Minor) Radio Blackout Observed on 01 April 2017 at 2148 UTC
published: Sunday, April 02, 2017 21:28 UTC

An R1 (Minor) Radio Blackout was observed on 01 April 2017 at 2148 UTC (5:48 PM ET). The source region for the M4 flare was Region 2644 (N12W52) which has shown an increase in magnetic complexity over the last 24 hours. SWPC forecasters will continue to diligently monitor the solar disk for additional solar flare activity. Stay tuned for updates.