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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, November 21, 2016 23:03:06

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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 Satellite
SWPC - Nation's Official Source for Space Weather
NWS Fall Safety at #FallSafety
G1 (Minor) Geomagnetic Storm Watch Issued for 22-23 November
Monday, November 21, 2016 07:49 UTC

A G1 (Minor) geomagnetic storm watch has been issued for 22 & 23 November (UTC Day).

Successful Launch of GOES-R!
Sunday, November 20, 2016 01:08 UTC
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

NWS Fall Safety Campaign is On
Monday, November 07, 2016 16:50 UTC

As the days get shorter and temperatures fall, a new round of weather hazards are on the rise.

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