NOAA 3-Day Forecast

Product: 3-Day Forecast Issued: 2021 Jun 17 1230 UTC Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
A. NOAA Geomagnetic Activity Observation and Forecast
The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA Scale levels). The greatest expected 3 hr Kp for Jun 17-Jun 19 2021 is 5 (NOAA Scale G1).
NOAA Kp index breakdown Jun 17-Jun 19 2021
Jun 17 Jun 18 Jun 19 00-03UT 2 3 2 03-06UT 2 3 1 06-09UT 3 2 1 09-12UT 2 2 1 12-15UT 3 2 1 15-18UT 2 3 1 18-21UT 5 (G1) 3 2 21-00UT 3 3 2
Rationale: G1 (Minor) geomagnetic storming is likely late on Jun 17 due to lingering -CH HSS influence.
B. NOAA Solar Radiation Activity Observation and Forecast
Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was below S-scale storm level thresholds.
Solar Radiation Storm Forecast for Jun 17-Jun 19 2021
Jun 17 Jun 18 Jun 19 S1 or greater 1% 1% 1%
Rationale: No S1 (Minor) or greater solar radiation storms are expected. No significant active region activity favorable for radiation storm production is forecast.
C. NOAA Radio Blackout Activity and Forecast
No radio blackouts were observed over the past 24 hours.
Radio Blackout Forecast for Jun 17-Jun 19 2021
Jun 17 Jun 18 Jun 19 R1-R2 1% 1% 1% R3 or greater 1% 1% 1%
Rationale: No R1 (Minor) or greater radio blackouts are expected. No significant active region flare activity is forecast.
Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to: pss.swpc.noaa.gov. Please do not use the from address for correspondence, as it is not monitored. For comments or help, please contact us: pss.help@noaa.gov.

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.