Official Space Weather Advisory issued by NOAA Space Weather Prediction Center
Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #25-36
2025 October 5 at 8:33 p.m. MDT (2025 October 6 0233 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For September 29-October 5
-G1 (Minor) geomagnetic storms were observed on 29 Sep-03 Oct, G2 (Moderate) storms were observed on 30 Sep-02 Oct, and G3 (Strong) storms were observed on 30 Sep and 02 Oct, due to CH HSS and CME influences.
-R1 (Minor) radio blackout events were observed on 29 Sep-03 Oct.
-No additional space weather storms were observed during the summary period.
Outlook For October 6-12
-G1 (Minor) geomagnetic storming is likely on 07-08 Oct due to waning CH HSS influences and the anticipated arrival of two slow-moving CMEs that left the Sun on 03 Oct. G1 storm periods are likely again on 11 Oct in response to the onset of negative polarity CH HSS influences.
-No additional space weather storms are expected to occur during the outlook period.
Data used to provide space weather services are contributed by NOAA,
USAF, NASA, NSF, USGS, the International Space Environment Services
and other observatories, universities, and institutions. More
information is available at SWPC's Web site http://swpc.noaa.gov
