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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

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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

Production Systems Alternate Server Site Test on 5 March, 2018

APS Migration
Production Systems Alternate Server Site Test on 5 March, 2018
published: Thursday, March 15, 2018 18:14 UTC

SWPC will transfer from our on-site production system servers to the alternate site on Monday, 5 March, 2018. Transfer of operations is expected to begin on 5 March at 1000 MST (1200 EST). Brief interruptions in products and data may be experienced during the migration to the alternate site and again when we return operations back to Boulder. We anticipate a return to on-site servers on Thursday, 8 March at approximately 1000 MST (1200 EST).