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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, December 10, 2024 11:55:47

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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

Geomagnetic Activity - WMO Product Portal

Geomagnetic Activity Forecast


Plot of past 3 days of Kp Index
 Product Description:
Daily probabilities of high-latitude, mid-latitude, and
planetary geomagnetic disturbance levels over the next one,
two, and three days.


Target Users:Product users include industries sensitive to strong variations
in the geomagnetic field, such as: electric power, pipeline, drilling,
and surveying.
Geomagnetic Activity Forecast
Cadence: Daily
Data Source: Solar and solar wind measurements, ground-based magnetometer measurements, and numerical prediction models of the solar wind and solar disturbances


Current Geomagnetic Activity Alerts


thumbnail of current alerts
 Product Description:
Timeline of currently active and recent alerts of geomagnetic activity.
Alerts are issued when ground-based magnetometer fluctuations exceed
predetermined thresholds.


Target Users:Product users include industries sensitive to strong variations in
the geomagnetic field, such as: electric power, pipeline, drilling,
and surveying.
Current Geomagnetic Activity Alerts
Cadence: As Issued
Data Source: Ground-based magnetometers