NOAA 3-Day Forecast

Product: 3-Day Forecast Issued: 2020 Sep 17 0030 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 1 (below NOAA Scale levels). The greatest expected 3 hr Kp for Sep 17-Sep 19 2020 is 2 (below NOAA Scale levels).
NOAA Kp index breakdown Sep 17-Sep 19 2020
Sep 17 Sep 18 Sep 19 00-03UT 0 2 2 03-06UT 1 2 1 06-09UT 1 1 1 09-12UT 1 1 1 12-15UT 1 1 1 15-18UT 1 1 1 18-21UT 1 2 2 21-00UT 2 2 2
Rationale: No G1 (Minor) or greater geomagnetic storms are expected. No significant transient or recurrent solar wind features are forecast.
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 Sep 17-Sep 19 2020
Sep 17 Sep 18 Sep 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 Sep 17-Sep 19 2020
Sep 17 Sep 18 Sep 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Your email address will not be published.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.