NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, October 11, 2024 16:27:47

Main menu

NOAA Scales

minimize icon
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
maximize icon
R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
R1 (Minor) Radio Blackout Impacts
close
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

Slider

Wednesday, Oct 9th, Severe Geomagnetic Storm Media Briefing
Comet Tsuchinshan-ATLAS Comes into View of Coronagraph Imagery
CME Arrival at Earth has Occurred and Warnings have been Issued
Thursday, October 10, 2024 16:28 UTC

The anticipated coronal mass ejection (CME) arrived at Earth at 11:15am EDT at nearly 1.5 million miles per hour.

Wednesday, Oct 9th, Severe Geomagnetic Storm Media Briefing
Wednesday, October 09, 2024 21:00 UTC

Please visit https://www.youtube.com/watch?v=eBh5-uB77ns to view today's recorded Space W

Comet Tsuchinshan-ATLAS Comes into View of Coronagraph Imagery
Tuesday, October 08, 2024 14:18 UTC

Comet C/2023 A3 (Tsuchinshan-ATLAS) came into view of the NASA/SOHO Coronagraph on 7 October.

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)