A Double Whammy of Storms Give Earth a 1,2- Punch | Solar Storm Forecast 01 September 2025

This Space Weather News forecast sponsored in part by Millersville University:
https://www.millersville.edu/swen
We have two Earth-directed solar storms hitting Earth now! The first, is a stealth-like CME, which is wispy and short, but the second and much larger storm has a hidden surprise. Its signature during the eruption and later in coronagraph imagery signals that there may be quite a bit of coronal material on its way to us. This may be why we are already seeing a strong shock signature before the event has even arrived. Aurora photographers could get a great show if the magnetic field of this storm is favorably oriented, even down into mid-latitudes. However, radio operators and GPS users should expect the next couple of days will bring disruptions and mild inconveniences with respect to radio signal propagation and GPS reception. Precision farmers, satellite navigation users, and UAV pilots should remain extra vigilant over the next couple of days as unexpected signal fades or erroneous navigation and timing signals are possible. Learn the details of this coming storm, see when aurora may be visible, and find out what else our Sun has in store.
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For a more in-depth look at the data and images highlighted in this video see these links below.

Solar Imaging and Analysis:
SDO: http://sdo.gsfc.nasa.gov/data/
Helioviewer: http://www.helioviewer.org/
Flare Analysis: http://www.lmsal.com/solarsoft/latest_events/
Computer Aided CME Tracking CACTUS: http://www.sidc.oma.be/cactus/out/latestCMEs.html
GOES Xray: http://www.swpc.noaa.gov/rt_plots/xray_1m.html
SOHO: http://sohodata.nascom.nasa.gov/
Stereo: http://stereo.gsfc.nasa.gov/
GONG magnetic field synoptic movie: https://gong.nso.edu/data/magmap/standard_movie.html
GONG magnetic field synoptic charts: http://gong.nso.edu/data/magmap/
LMSAL Heliophysics Events HEK http://www.lmsal.com/isolsearch

Solar Wind:
DISCOVR solar wind: http://www.swpc.noaa.gov/products/real-time-solar-wind
ACE Solar Wind: http://www.swpc.noaa.gov/products/ace-real-time-solar-wind
NASA/CCMC/M2M Enlil Solar Storm Prediction Model: https://iswa.gsfc.nasa.gov/IswaSystemWebApp/iSWACygnetStreamer?timestamp=2038-01-23+00%3A44%3A00&window=-1&cygnetId=261
NOAA/SWPC Enlil Solar Storm Prediction Model: http://www.swpc.noaa.gov/products/wsa-enlil-solar-wind-prediction

Magnetosphere, Ionosphere, Atmosphere:
GOES Magnetometer: http://www.swpc.noaa.gov/products/goes-magnetometer
Ionosphere D-Region Absorption (DRAP) model: http://www.swpc.noaa.gov/products/d-region-absorption-predictions-d-rap/
Radio Propagation: https://www.tvcomm.co.uk/g7izu/atlantic-mf-hf-propagation-20min-persistence/
Near-Earth radiation environment: https://spaceweather.gfz-potsdam.de/products-data/forecasts
Auroral Oval Ovation Products: http://www.swpc.noaa.gov/products/aurora-30-minute-forecast
Global 3-hr Kp index: http://www.swpc.noaa.gov/products/planetary-k-index
GEOCHRON Weather Display: www.geochron.com
USGS Ground Magnetometers: http://geomag.usgs.gov/realtime/

Multi-Purpose Space Environment Sites:
NOAA/SWPC: http://www.swpc.noaa.gov
SOLARHAM: http://www.solarham.net/index.htm
Spaceweather: http://spaceweather.com
iSWA: http://iswa.gsfc.nasa.gov/iswa/iSWA.html

Definition of Geomagnetic Storm, Radiation Storm, and Radio Blackout Levels:
http://www.swpc.noaa.gov/NOAAscales/

None of this would be possible without the hard work and dedication of those who have provided all of this data for public use.

Images c/o NASA/NOAA/ESA/CSA (most notably the superb SDO, SOHO, ACE, DSCOVR, STEREO, CCMC, M2M, JPL & DSN teams, amazing professionals, hobbyists, institutions, organizations, agencies and amateurs such as those at the USAF/HAARP, NICT, NOAA, USGS, Environment Canada, Natural Resources Canada, Intellicast, Catatania, rice.edu, wisc.edu, sonoma.edu ucalgary.ca, rssi.ru, ohio-state.edu, solen.info, and so much more. Thanks for making Space Weather part of our every day dialogue.