
The nor’easter will weaken tonight, easing beach conditions and coastal flooding, though locally heavy rain will continue in parts of the Mid-Atlantic and New England into Monday. Hurricane Nolo continues to bring strong winds and large waves to Hawaii. A multi-day rain event will return to the Four Corners region Monday and expand to the south-central U.S. by midweek. Read More >
Plaese go to the Space Weather Prediction Center for more information.
Items in grey italics apparently are older than 24 hours
036
WOXX13 KWNP 270041
WARK04
Space Weather Message Code: WARK04
Serial Number: 5423
Issue Time: 2026 Sep 27 0035 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Sep 27 0033 UTC
Valid To: 2026 Sep 27 1200 UTC
Warning Conditions: Onset
Comment:
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov
254
WOXX11 KWNP 250841
WARK05
Space Weather Message Code: WARK05
Serial Number: 2266
Issue Time: 2026 Sep 25 0835 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Sep 25 0835 UTC
Valid To: 2026 Sep 25 1200 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment:
NOAA Scale: G1 - Minor
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov