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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, June 03, 2024 16:27:51

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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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Request for Communications Impacts from May 2024 G5 Storm
G1 Watch for Tuesday, June 4
Monday, June 03, 2024 16:24 UTC

A CME that left the Sun on June 1 may begin to impact Earth’s atmosphere on June 4.

June 11: Planned Network Outage
Friday, May 31, 2024 16:10 UTC

On Tuesday, June 11, between 1500 UTC and 2100 UTC, SWPC will perform a major network upgrade.

Official Request for Communications Impacts from May 2024 G5 Storm
Tuesday, May 28, 2024 20:26 UTC

The Federal Communications Commission’s Public Safety and Homeland Security Bureau (PSHSB or Bureau) seeks comment on any observed impacts to commu

Space Weather Can Impact the Power Grid
Friday, May 24, 2024 18:35 UTC

Did you know that space weather can actually cause power outages? How is this possible?

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)