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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, November 29, 2023 01:27:25

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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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R2 Event on 28 November, 2023
G1-G2 Watches for 30 Nov - 1 Dec, 2023
USA Jobs Website logo
Testbed at SWPC 2023
R2 (Moderate) HF Radio Blackout Event on 28 November, 2023
Tuesday, November 28, 2023 21:53 UTC

A R2 (Moderate) HF Radio Blackout Event occurred on 28 November, 2023 at 1950 UTC.

G1 and G2 Watches for 30 Nov - 1 Dec, 2023
Tuesday, November 28, 2023 20:26 UTC

Multiple coronal mass ejections (CMEs) occurred from the Sun on 27 November, 2023.

Two Job Vacancies now open at SWPC!
Thursday, November 16, 2023 14:54 UTC

SWPC has two vacancies open:

1. Space Scientist (GS-1330-14) is open from November 15-28, 2023.  The links to apply are here:

NOAA SWPC Satellite Environment Testbed Exercise 2023
Friday, October 27, 2023 22:49 UTC

Satellite orbital drag and energetic particles topped the list of space weather threats to low-Earth orbit satellites discussed at the Satellite En

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)