Solar activity


Monday, March 30th 2020, 16:15:00 UTC

Regions with Sunspots

Analysis of Solar Active Regions and Activity from 28/2100Z to 29/2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 0 numbered sunspot regions on the disk.

Solar Activity Forecast

Solar activity is expected to be very low on days one, two, and three (30 Mar, 31 Mar, 01 Apr).

24 hr48 hr72 hr
Event probabilities 30 Mar-01 Apr
Class M01 %01 %01 %
Class X01 %01 %01 %
Proton01 %01 %01 %

PCAF: green

Geophysical Activity Summary 28/2100Z to 29/2100Z

The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 449 km/s at 29/0728Z. Total IMF reached 6 nT at 29/0838Z. The maximum southward component of Bz reached -4 nT at 29/1050Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 278 pfu.

Geophysical Activity Forecast

The geomagnetic field is expected to be at quiet to active levels on days one and two (30 Mar, 31 Mar) and quiet to unsettled levels on day three (01 Apr).

Geomagnetic Activity Probabilities 30 Mar-01 Apr

24 hr48 hr72 hr
Middle Latitudes
Active40 %35 %30 %
Minor Storm15 %15 %10 %
Major-severe storm01 %01 %01 %
24 hr48 hr72 hr
High Latitudes
Active10 %10 %15 %
Minor Storm30 %30 %30 %
Major-severe storm55 %50 %40 %

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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