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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, August 18, 2022 19:23:21

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NOAA Scales

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Space Weather Conditions
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
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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An image of the planetary K index (Kp) over the last 3 days.
WSA-Enlil model output image
16 August, 2022 Sunspots
Short Term Aurora Forecast
Thursday, August 18, 2022 19:19 UTC

We saw six hours of moderate geomagnetic storms yesterday, and the disturbed conditions continue today at minor levels.  The storms are being drive

Thursday, August 18, 2022 18:52 UTC

SWPC uses a sophisticated physics-based model called WS

Tuesday, August 16, 2022 22:46 UTC

A number of sunspot groups are present on the visible solar disk as of August 16th, 2022.

Tuesday, August 16, 2022 22:45 UTC

Using measurements of the solar wind just upstream of Earth, the

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

Estimated Planetary K-Index

Planetary K Index plot