Routine Space Environment Product Issued Weekly
Issued by NWS

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FXXX02 KWNP 240225
WEKFOR

:Product: 27-day Space Weather Forecast
:Issued: 2017 Apr 24 0153 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
#
#               27-day Space Weather Forecast
#
Forecast of Solar and Geomagnetic Activity
24 April - 20 May 2017

Solar activity is expected to be very low with a chance for C-class
flare activity throughout the outlook period (24 Apr-20 May).

No proton events are expected at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit is
likely to reach very high levels on 29-30 Apr with high levels
likely on 24-28 Apr and 06-12, 17-20 May. Normal to moderate flux
levels are expected for the remainder of the period.

Geomagnetic field activity is likely to reach G2 (Moderate)
geomagnetic storm levels on 19-20 May with G1 (Minor) geomagnetic
storms likely on 24-27 Apr and 01, 17-18 May due to the influence of
multiple, recurrent CH HSSs. Active conditions are likely on 28 Apr
and 05-06, 16 May with quiet or quiet to unsettled field activity
expected for the remainder of the period.



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