288
NWXX04 KWNP 190226
ADVOUT

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

SPACE WEATHER ADVISORY OUTLOOK #25-16
2025 May 18 at 8:21 p.m. MDT (2025 May 19 0221 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For May 12-18

R3 (Strong) radio blackouts were observed on 13 May due to activity from Region 4086.

R1-R3 (Minor-Strong) radio blackouts were observed on 14 May due to activity from Region 4087.

R1 (Minor) radio blackouts were observed on 15 May due to activity from Region 4087

G2 (Moderate) geomagnetic storms were observed on 17 May in response to coronal hole influence.

G1 (Minor) geomagnetic storms were observed on 18 May in response to coronal hole influence.

No other space weather storms were observed during the summary period.

Outlook For May 19-25

G1 (Minor) geomagnetic activity is likely on 19 May due to continued coronal hole influence.

No other space weather 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.