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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, November 23, 2024 07:41:08

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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
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G
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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

SWPC Backup System Testing - Monday April 20th

Backup test
SWPC Backup System Testing - Monday April 20th
published: Tuesday, April 21, 2015 01:08 UTC

On Monday April 20th SWPC will begin a test of its emergency backup system at 18:00 UT. The test will run until April 21st at 01:00 UT. During this period there may be interruptions to SWPC products and services. If required, testing will resume on Tuesday April 21st from 15:00 to 21:00 UT.