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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, November 22, 2024 21:25:14

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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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NOAA Shares Imagery from GOES-19 CCOR-1
Joint Solar Maximum Announcement from NASA and NOAA
Minor (S1) Solar Radiation Storm In Progress - 21 Nov 2024
Thursday, November 21, 2024 20:44 UTC

The greater than 10 MeV proton flux became enhanced following an eruption from a source beyond the west limb.

NOAA Shares Imagery from GOES-19 CCOR-1
Tuesday, October 22, 2024 17:11 UTC

NOAA Shares Imagery From World’s First Operational Space-based Coronagraph

Joint Solar Maximum Announcement from NASA and NOAA
Wednesday, October 16, 2024 20:55 UTC

The Sun is officially in solar maximum of Solar Cycle 25.

Results of the First National Survey of User Needs for Space Weather
Tuesday, October 01, 2024 16:42 UTC

The space weather enterprise recently completed a comprehensive survey of the needs of users of space weather products.

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)