Routine Space Environment Product (Daily)
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FXXX12 KWNP 271230

:Product: Forecast Discussion
:Issued: 2016 Oct 27 1230 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC contact on the Web
#             Forecast Discussion
Solar Activity

.24 hr Summary...
Solar activity continued at very low levels. Region 2603 (N13W73,
Dao/beta) underwent slight decay and produced only low-level B-class
activity. No Earth directed CMEs were observed in available coronagraph

Solar activity is expected to remain very low with a slight chance for
C-class flares all three days (27-29 Oct).

Energetic Particle

.24 hr Summary...
The greater than 2 MeV electron flux was at high levels due to CH HSS
effects. The max flux reached 26,158 pfu at 26/1505 UTC. The greater
than 10 MeV proton flux continued at background values.

The greater than 2 MeV electron flux is expected to be at high to very
high levels all three days (27-29 Oct) due to CH HSS effects. The
greater than 10 MeV proton flux is expected to remain at background

Solar Wind

.24 hr Summary...
Solar wind parameters were indicative of continued influences of a
polar connected, positive polarity CH HSS. Total field ranged from 4 to
6 nT. The Bz component was variable with occasional, prolonged periods
of southward orientation. Solar wind speed gradually decreased from
speeds near 730 km/s to 650 km/s by periods end. The phi angle remained

The solar wind environment is expected to remain enhanced over the next
three days (27-29 Oct) due to continued CH HSS effects. Solar wind speed
is anticipated to slowly decline, but speeds are likely to remain above
500 km/s.


.24 hr Summary...
The geomagnetic field was mostly at G1 (Minor) storm levels, with
isolated periods of G2 (Moderate) storm levels.

The geomagnetic field is expected to be unsettled to active, with
isolated periods of G1 (Minor) storming likely on days one and two
(27-28 Oct). Day three (29 Oct) is expected to be mostly quiet to
unsettled, with isolated periods of active conditions as CH HSS effects
slightly diminish. is the U.S. government's official web portal to all federal, state and local government web resources and services.