NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, September 28, 2023 14:21:09

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

SWPC Forecast Office
Flagger in Road Ahead sign
Photo of the SWPC Forecast Center
Job Posting - SWPC Forecasters
Thursday, September 28, 2023 14:16 UTC

The job advertisement for SWPC Forecaster positions has been opened again.  These positions serve on the front lines of SWPC operations providing I

G1 (Minor) Storm Watch Now in Effect for 26 Sep 2023
Monday, September 25, 2023 21:11 UTC

Another CME is thought to have erupted in and around AR 3435 on 22 Sep 2023.

System Maintenance Outages Sept 21 and 27
Monday, September 25, 2023 16:44 UTC

The Space Weather Prediction Center will be performing system maintenance September 21st 1930-2130 UTC (1530-1730 ET) and September 27th 1930-2130

IT Specialist (SysAdmin) Vacancy now posted on USAJobs
Thursday, September 14, 2023 18:15 UTC
The Space Weather Prediction Center is pleased to announce an opportunity for the position of IT Specialist (System Administrator)

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)