Routine Space Environment Product Issued Weekly
Issued by NWS

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FXXX02 KWNP 160426
WEKFOR

:Product: 27-day Space Weather Forecast
:Issued: 2017 Oct 16 0358 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
16 October - 11 November 2017

Solar activity is expected to be at very low levels. A chance for
C-flares is likely on 19 Oct-03 Nov with the return of old Regions
2682 (S10, L=126) and 2683 (N13, L=111).

No proton events are expected at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit is
expected to be at high to very high levels on 16-18 Oct and again on
27 Oct and 11 Nov. High levels are expected on 19-21 Oct, 25-26 Oct,
28 Oct-01 Nov and on 08-10 Nov due to recurrent CH HSS influences.

Geomagnetic field activity is expected to be at unsettled to active
levels on 16-22 Oct, 24-29 Oct, 01-02 Nov, and 07-11 Nov. G1 (Minor)
geomagnetic storm levels are likely on 24-25 Oct and 07-11 Nov and
G2 (Moderate) levels are likely on 25 Oct and 10 Nov due to
recurrent CH HSS effects.



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