867
NWXX04 KWNP 020251
ADVOUT

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center
Boulder, Colorado, USA

SPACE WEATHER ADVISORY OUTLOOK #25-18
2025 June 1 at 8:49 p.m. MDT (2025 June 2 0249 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For May 26-June 1

R1 (Minor) radio blackouts were observed on 26, 30 and 31 May.
R2 (Moderate) radiation blackouts were observed on 31 May.

S1 (Minor) radiation storms were observed on 31 May and 01 June.
S2 (Moderate) radiation storms were observed on 01 June.

G1 (Minor) geomagnetic storms were observed on 29 - 30 May and 01 June.
G2 (Moderate) geomagnetic storms were observed on 29 May.
G2 (Strong) geomagnetic storms were observed on 29 May and 01 June.
G4 (Severe) geomagnetic storms were observed on 01 June.

No other significant space weather was observed.

Outlook For June 2-8

R1-R2 / Minor-Moderate radio blackouts are likely on 02-08 June.

S1 (Minor) radiation storms are expected on 02 June.

G1-G3 / Minor-Strong) geomagnetic storms are likely on 02-03 June.

No additional significant storms are expected during the outlook period.




Space Weather Prediction Center links
Current space weather conditions http://www.swpc.noaa.gov/communities/space-weather-enthusiasts
Alerts http://www.swpc.noaa.gov/products/alerts-watches-and-warnings
Outlook http://www.swpc.noaa.gov/products/space-weather-advisory-outlook

Data used to provide space weather services are contributed by NOAA,
USAF, NASA, NSF, USGS, the International Space Environment Service (ISES)
and other observatories, universities, and institutions. For more
information, including email services, see SWPC`s Space Weather
Prediction Center Web site http://www.swpc.noaa.gov/ or (303) 497-3171.