Routine Space Environment Product (Daily)
Issued by NWS
FXXX01 KWNP 182202
:Product: Daily Space Weather Summary and Forcast daydsf.txt
:Issued: 2015 Apr 18 2200 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC contact on the Web
# Daily Space Weather Summary and Forecast.
Analysis of Solar Active Regions and Activity from 17/2100Z to
18/2100Z: Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C5 event observed at
18/1419Z from Region 2321 (N11W22). There are currently 7 numbered
sunspot regions on the disk.
Solar Activity Forecast: Solar activity is expected to be low with
a slight chance for an M-class flare on days one, two, and three (19
Apr, 20 Apr, 21 Apr).
Geophysical Activity Summary 17/2100Z to 18/2100Z: The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed, as measured by the ACE spacecraft, reached a peak speed of
635 km/s at 17/2305Z. Total IMF reached 5 nT at 18/1255Z. The maximum
southward component of Bz reached -4 nT at 18/1349Z. Electrons greater
than 2 MeV at geosynchronous orbit reached a peak level of 3744 pfu.
Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to unsettled levels on day one (19 Apr) and quiet to
active levels on days two and three (20 Apr, 21 Apr).