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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, December 07, 2016 22:53:23

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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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GOES-R Re-designated GOES-16
Winter Weather Safety
SWPC - Nation's Official Source for Space Weather
G1 Watch Expanded
Tuesday, December 06, 2016 23:10 UTC

Further analysis suggests G1 minor storm conditions are now likely 07-09 December as a negative polarity CH HSS influences the near-Earth environme

Latest GOES Satellite now in Successful Orbit; Re-designated GOES-16
Thursday, December 01, 2016 21:47 UTC

On November 29, 2016, the newest GOES satellite was successfully placed into geostationary orbit (approximately 22,000 miles away from Earth) and h

Winter Weather Preparedness and Safety Tips from the NWS
Thursday, December 01, 2016 05:18 UTC

Winter can bring with it a wide variety of potentially dangerous weather that can impact roadways, outdoor activities, infrastructure, and more. Be

Executive Order to Prepare Nation for Space Weather Events
Monday, November 07, 2016 16:51 UTC

An Executive Order to coordinate efforts to prepare the nation for space weather events was signed by President Obama on 13 Oct.  Read the full ord

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