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National Oceanic and Atmospheric Administration

Saturday, December 20, 2014 01:49:52

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NOAA Scales

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Space Weather Conditions
R
no data
S
no data
G
no data
R
no data
S
no data
G
no data
Yesterday
R
no data
S
no data
G
no data
Today's Max Observed
R
no data
S
no data
G
no data
Now
R
no data
S
no data
G
no data
Predicted: Rest of Today
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
Tomorrow
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
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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Solar Dynamics Observatory image of an X1 flare from NOAA Active Region 12242.
Enlil model depiction
Question and Answers on the new Website!
Saturday, December 20, 2014 01:46 UTC

NOAA Active Region 12242 produced an R3 (strong) radio blackout today at 20/0028 UTC (December 19 at 7:28 p.m.

Saturday, December 20, 2014 01:46 UTC

After further analysis, it appears that a second coronal mass ejection (CME) occurred yesterday with the M6 flare, to accompany the CME from the M8

Friday, December 19, 2014 22:29 UTC

As part of our plan to assist users transitioning to our new website, we are posting short answers to common questions we find in our

Friday, December 19, 2014 17:36 UTC

NOAA hosted a media teleconference to provide details about NOAA’s Deep Space Climate Observatory (DSC

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