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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, November 07, 2023 00:33:08

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NOAA Scales

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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

Space Weather Summary

  • Solar Wind Speed: km/sec
  • Solar Wind Magnetic Fields: Bt nT, Bz nT
  • Noon 10.7cm Radio Flux: sfu

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Geomagnetic Disturbances Likely 04-10 Nov 2023
G2 (Moderate) Geomagnetic Storm Watch for 07 Nov
Tuesday, November 07, 2023 00:30 UTC

A G2 (Moderate) geomagnetic storm watch is in effect for 07 Nov primarily due to fast solar wind associated with a negative polarity CH HSS, but al

G3 (Strong) Geomagnetic Storm Levels Reached at 05 Nov/1740 UTC
Sunday, November 05, 2023 17:56 UTC

G3 (Strong) Geomagnetic Storm levels were reached at 05 Nov/1740 UTC.

G3 (Strong) Geomagnetic Storm Conditions Now Expected for 05 Nov
Sunday, November 05, 2023 17:41 UTC

The solar wind environment first became enhanced at ~04/1100 UTC with the apparent arrival of a CME, believed to be from 31 Oct.

Geomagnetic Disturbances Likely 04 to 10 November 2023
Friday, November 03, 2023 21:53 UTC

Coronal Mass Ejections (CMEs) and a Coronal Hole High Speed Stream (CH HSS) are now in the forecast.

Serving Essential Space Weather Communities

The Sun (EUV)

Solar Ultraviolet Image

Coronal Mass Ejections

LASCO C3 Coronagraph Image

The Aurora

Aurora ovation plot

GOES X-Ray Flux

GOES Proton Flux
Updated Time:
NOAA Scales Geomagnetic Storms
Kp < 5 Kp = 5 (G1) Kp = 6 (G2) Kp = 7 (G3) Kp = 8, 9- (G4) Kp = 9o (G5)