Solar activity


Wednesday, June 26th 2019, 11:30:00 UTC

Regions with Sunspots

  • 2743

Analysis of Solar Active Regions and Activity from 24/2100Z to 25/2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 1 numbered sunspot regions on the disk.

Solar Activity Forecast

Solar activity is expected to be very low on days one, two, and three (26 Jun, 27 Jun, 28 Jun).

24 hr48 hr72 hr
Event probabilities 26 Jun-28 Jun
Class M01 %01 %01 %
Class X01 %01 %01 %
Proton01 %01 %01 %

PCAF: green

Geophysical Activity Summary 24/2100Z to 25/2100Z

The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 365 km/s at 25/0913Z. Total IMF reached 5 nT at 25/1718Z. The maximum southward component of Bz reached -3 nT at 25/1031Z.

Geophysical Activity Forecast

The geomagnetic field is expected to be at quiet to unsettled levels on day one (26 Jun) and quiet levels on days two and three (27 Jun, 28 Jun).

Geomagnetic Activity Probabilities 26 Jun-28 Jun

24 hr48 hr72 hr
Middle Latitudes
Active20 %15 %10 %
Minor Storm05 %05 %01 %
Major-severe storm01 %01 %01 %
24 hr48 hr72 hr
High Latitudes
Active15 %15 %15 %
Minor Storm30 %20 %20 %
Major-severe storm30 %20 %10 %

3-days of 5-minute solar x-ray flux values (GOES-15)

Manually reviewed and edited by the duty forecaster


Sources: NOAA's Space Weather Prediction Center (SWPC), Joint Science Operations Center (JSOC)

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