Solar activity


Saturday, January 25th 2020, 07:30:00 UTC

Regions with Sunspots

  • 2757

Analysis of Solar Active Regions and Activity from 23/2100Z to 24/2100Z

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 (25 Jan, 26 Jan, 27 Jan).

24 hr48 hr72 hr
Event probabilities 25 Jan-27 Jan
Class M01 %01 %01 %
Class X01 %01 %01 %
Proton01 %01 %01 %

PCAF: green

Geophysical Activity Summary 23/2100Z to 24/2100Z

The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 346 km/s at 23/2138Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 175 pfu.

Geophysical Activity Forecast

The geomagnetic field is expected to be at quiet levels on days one, two, and three (25 Jan, 26 Jan, 27 Jan).

Geomagnetic Activity Probabilities 25 Jan-27 Jan

24 hr48 hr72 hr
Middle Latitudes
Active10 %10 %10 %
Minor Storm01 %01 %01 %
Major-severe storm01 %01 %01 %
24 hr48 hr72 hr
High Latitudes
Active15 %15 %15 %
Minor Storm20 %20 %20 %
Major-severe storm15 %15 %15 %

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

Manually reviewed and edited by the duty forecaster

Friday, January 2419:4719:5119:53B1.3
Saturday, January 2507:1107:1407:18B1.12757

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

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