Official Space Weather Advisory issued by NOAA Space Weather Prediction Center
Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #25-22
2025 June 29 at 11:49 p.m. MDT (2025 June 30 0549 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For June 23-29
G1 (Minor) geomagnetic storm levels were observed on 26-27 Jun due to coronal hole high speed stream effects.
Outlook For June 30-July 6
There is an increased chance for R1-R2 (Minor-Moderate) radio blackouts on 05-06 Jul with the return of old sunspot Region 4114.
G1 (Minor) geomagnetic storm levels are likely on 02-03 Jul due to the arrival of the 28 Jun CME.
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
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