NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 10, 2019 09:12:36

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

Solar Cycle 25 Preliminary Forecast
National Space Weather Strategy & Executive Order on EMP
NWS Spring Safety Campaign
Solar Cycle 25 Preliminary Forecast
Friday, April 05, 2019 19:45 UTC

The NOAA/NASA co-chaired international panel to forecast Solar Cycle 25 released a preliminary forecast for Solar Cycle 25 on April 5, 2019.

National Space Weather Strategy and Action Plan Released
Friday, April 05, 2019 19:32 UTC

The White House recently released the

Save the Date - June 26, 2019 - Space Weather Enterprise Forum
Monday, March 25, 2019 16:53 UTC

The 2019 Space Weather Enterprise Forum  will be held June 26, 2019

NWS Spring Safety Campaign
Thursday, March 07, 2019 20:06 UTC

Get ready for spring weather hazards by visiting our Spring Safety website at https://www.weath

Serving Essential Space Weather Communities

The Sun's X-Rays

Solar X-Ray Imager Image

Coronal Mass Ejections

LASCO C3 Coronagraph Image

The Aurora

Aurora ovation plot

GOES X-Ray Flux

GOES X-Ray flux plot

GOES Proton Flux

GOES Proton Flux plot

Estimated Planetary K-Index

Planetary K Index plot