Space Weather Alerts

Alert

2026-06-03T14:17:36-04:00

A major geomagnetic storm WATCH is in effect for the auroral zone from 04 JUN 2026 20:00 EDT to 05 JUN 2026 10:00 EDT.

Solar flares and ejections of the Sun's material (coronal mass ejections) were observed during 02-03 JUN 2026. The ejected material may have an Earth-directed component and could affect Earth on 04-05 JUN 2026, resulting in disturbed geomagnetic conditions in the auroral zone.

Alert

2026-06-03T08:03:40-04:00

A solar flare erupted on 03 JUN 2026 07:21 EDT. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

Alert

2026-05-13T12:04:11-04:00

A major geomagnetic storm WATCH is in effect for the auroral zone from 15 MAY 2026 20:00 EDT to 16 MAY 2026 10:00 EDT.

A source of high-speed streams of charged particles (coronal hole) is observed on the Sun. The influence of this high-speed solar wind on Earth is expected on 15 MAY 2026, resulting in disturbed geomagnetic conditions.

Alert

2026-04-24T04:38:25-04:00

A solar flare erupted on 24 APR 2026 04:01 EDT. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

A solar flare erupted on 23 APR 2026 20:51 EDT. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

The Sun has the potential to produce significant solar flares. Solar flares can affect ionospheric conditions that can cause short-duration degradation to high frequency radio systems (from several minutes to an hour), at low latitudes on the Sun-facing side of the Earth.

Alert

2026-04-23T21:36:43-04:00

A solar flare erupted on 23 APR 2026 20:51 EDT. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

Alert

2026-04-19T06:42:53-04:00

A major geomagnetic storm WATCH is in effect for the auroral zone from 19 APR 2026 02:06 EDT to 19 APR 2026 10:00 EDT.

Alert

2026-04-19T02:50:23-04:00

A major geomagnetic storm WARNING is in effect for the auroral zone from 19 APR 2026 02:06 EDT to 19 APR 2026 04:06 EDT. A major geomagnetic storm WATCH is in effect for the auroral zone from 19 APR 2026 02:06 EDT to 19 APR 2026 10:00 EDT.

Alert

2026-04-03T13:21:23-04:00

A major geomagnetic storm WATCH is in effect from 03 APR 2026 12:00 EDT to 04 APR 2026 08:00 EDT.

A large solar flare with associated significant ejection of the Sun's material (coronal mass ejection) was observed on 01 APR 2026 19:45 EDT. The ejected material has an Earth-directed component and is expected to affect Earth on 03 - 04 APR 2026, resulting in disturbed geomagnetic conditions.

Alert

2026-03-30T14:16:10-04:00

A major geomagnetic storm WATCH is in effect from 31 MAR 2026 16:00 EDT to 01 APR 2026 08:00 EDT.

A large solar flare with associated significant ejection of the Sun's material (coronal mass ejection) was observed on 29 MAR 2026 22:55 EDT. The ejected material has an Earth-directed component and is expected to affect Earth on 31 MAR - 01 APR 2026, resulting in disturbed geomagnetic conditions.

Alert

2026-03-29T23:25:47-04:00

A solar flare erupted on 29 MAR 2026 22:55 EDT. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

Alert

2026-03-22T14:15:47-04:00

A major geomagnetic storm WATCH is in effect for the auroral zone from 19 MAR 2026 12:00 EDT to 23 MAR 2026 07:00 EDT.

A major geomagnetic storm WARNING was in effect for the auroral zone from 22 MAR 2026 09:00 EDT to 22 MAR 2026 11:00 EDT.

An ejection of the Sun's material (coronal mass ejection) and high-speed streams of charged particles from the Sun are expected to affect Earth on 22-23 MAR 2026, resulting in disturbed geomagnetic conditions in the auroral zone.

Alert

2026-03-22T09:56:52-04:00

A major geomagnetic storm WARNING is in effect for the auroral zone from 22 MAR 2026 09:00 EDT to 22 MAR 2026 11:00 EDT.

A major geomagnetic storm WATCH is in effect for the auroral zone from 19 MAR 2026 12:00 EDT to 22 MAR 2026 14:00 EDT.

An ejection of the Sun's material (coronal mass ejection) was observed on 18 MAR 2026. The ejected material has an Earth-directed component and is expected to affect Earth on 21-22 MAR 2026, resulting in disturbed geomagnetic conditions.

High speed streams of charged particles from coronal holes on the Sun are expected to affect Earth on 22-23 MAR 2026, resulting in disturbed geomagnetic conditions in the auroral zone.

An ejection of the Sun's material (coronal mass ejection) was observed on 16 MAR 2026. The ejected material has an Earth-directed component and is expected to affect Earth on 19-20 MAR 2026, resulting in disturbed geomagnetic conditions.

Alert

2026-03-22T06:03:11-04:00

A major geomagnetic storm WATCH is in effect for the auroral zone from 19 MAR 2026 12:00 EDT to 22 MAR 2026 14:00 EDT.

A major geomagnetic storm WARNING was in effect for the auroral zone from 21 MAR 2026 23:50 EDT to 22 MAR 2026 01:50 EDT

High speed streams of charged particles from coronal holes on the Sun are expected to affect Earth on 22-23 MAR 2026, resulting in disturbed geomagnetic conditions in the auroral zone.

Alert

2026-03-22T00:36:13-04:00

A major geomagnetic storm WARNING is in effect for the auroral zone from 21 MAR 2026 23:50 EDT to 22 MAR 2026 01:50 EDT

A major geomagnetic storm WATCH is in effect for the auroral zone from 19 MAR 2026 12:00 EDT to 22 MAR 2026 08:00 EDT.

Alert

2026-03-19T14:31:25-04:00

A major geomagnetic storm WATCH is in effect for the auroral zone from 19 MAR 2026 12:00 EDT to 22 MAR 2026 08:00 EDT.

Alert

2026-03-17T14:57:36-04:00

A major geomagnetic storm WATCH is in effect from 19 MAR 2026 12:00 EDT to 20 MAR 2026 08:00 EDT.

Alert

2026-02-04T08:48:51-05:00

A solar flare erupted on 04 FEB 2026 07:02 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

A major geomagnetic storm WATCH is in effect from 04 FEB 2026 19:00 EST to 05 FEB 2026 13:00 EST.

Solar flares and ejections of the Sun's material (coronal mass ejections) were observed during 01-04 FEB 2026. The ejected material may have an Earth-directed component and could affect Earth on 04-05 FEB 2026, resulting in disturbed geomagnetic conditions.

Alert

2026-02-03T09:38:57-05:00

A solar flare erupted on 03 FEB 2026 09:08 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

A major geomagnetic storm WATCH is in effect from 04 FEB 2026 19:00 EST to 05 FEB 2026 13:00 EST.

Solar flares and ejections of the Sun's material (coronal mass ejections) were observed during 01-02 FEB 2026. The ejected material may have an Earth-directed component and could affect Earth on 04-05 FEB 2026, resulting in disturbed geomagnetic conditions.

Alert

2026-02-02T14:42:36-05:00

A major geomagnetic storm WATCH is in effect from 04 FEB 2026 19:00 EST to 05 FEB 2026 13:00 EST.

Alert

2026-02-02T03:39:30-05:00

A solar flare erupted on 02 FEB 2026 03:14 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

A solar flare erupted on 01 FEB 2026 19:36 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

A solar flare erupted on 01 FEB 2026 18:57 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

Alert

2026-02-01T20:36:33-05:00

A solar flare erupted on 01 FEB 2026 19:36 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

A solar flare erupted on 01 FEB 2026 18:57 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

A solar flare erupted on 01 FEB 2026 07:33 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

Alert

2026-02-01T19:21:30-05:00

A solar flare erupted on 01 FEB 2026 18:57 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

A solar flare erupted on 01 FEB 2026 07:33 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

Alert

2026-02-01T08:20:31-05:00

A solar flare erupted on 01 FEB 2026 07:33 EST. Solar flares can temporarily affect ionospheric conditions, particularly at low latitudes on the Sun-facing side of the Earth.

Alert

2026-01-20T05:26:03-05:00

A major geomagnetic storm WARNING is in effect from 20 JAN 2026 01:30 EST to 20 JAN 2026 07:30 EST. A major geomagnetic storm WATCH is in effect from 19 JAN 2026 14:30 EST to 20 JAN 2026 12:00 EST.

An ejection of the Sun's material (coronal mass ejection) was observed on 18 JAN 2026. The ejected material has an Earth-directed component and is expected to affect Earth on 19-20 JAN 2026, resulting in disturbed geomagnetic conditions.