


Routine Space Environment Product (Daily)
Issued by NWS
Issued by NWS
595 FXXX01 KWNP 212201 DAYDSF :Product: Daily Space Weather Summary and Forcast daydsf.txt :Issued: 2025 Apr 21 2200 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/wwire.html # # Daily Space Weather Summary and Forecast. # :Solar_Analysis: Analysis of Solar Active Regions and Activity from 20/2100Z to 21/2100Z: Solar activity has been at moderate levels for the past 24 hours. There are currently 8 numbered sunspot regions on the disk. # :Solar_Forecast: Solar Activity Forecast: Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (22 Apr, 23 Apr, 24 Apr). # :Geophysical_Activity: Geophysical Activity Summary 20/2100Z to 21/2100Z: The geomagnetic field has been at quiet to minor storm levels for the past 24 hours. Solar wind speed reached a peak of 745 km/s at 21/1336Z. Total IMF reached 18 nT at 21/0733Z. The maximum southward component of Bz reached -14 nT at 21/0803Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 452 pfu. # :Geophysical_Forecast: Geophysical Activity Forecast: The geomagnetic field is expected to be at unsettled to major storm levels on day one (22 Apr), quiet to minor storm levels on day two (23 Apr) and quiet to active levels on day three (24 Apr).