Solar Weather Forecast Updated 12-10-16


K-indices of 5 or greater indicate storm-level geomagnetic activity around earth.

:Product: Forecast Discussion
:Issued: 2016 Dec 10 0031 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
Solar Activity

.24 hr Summary...
Solar activity was at very low levels.  Region 2615 (S06W88, Hsx/alpha)
appeared to be slightly decaying as it approached the west limb.  The
region only managed to produce an isolated B1 flare at 09/0725 UTC.  No
Earth-directed CMEs were observed in available coronagraph imagery.

Solar activity is expected to be very low with a slight chance for
C-flares on day one (10 Dec) and very low levels for the remainder of
the forecast period (11-12 Dec) as Region 2615 rotates around the west

Energetic Particle

.24 hr Summary...
The greater than 2 MeV electron flux ranged from normal to high levels
with a maximum flux of 4,227 pfu observed at 09/1650 UTC. The greater
than 10 MeV proton flux continued at background levels.

The greater than 2 MeV electron flux is expected to be at moderate to
high levels throughout the forecast period (10-12 Dec). The greater than
10 MeV proton flux is expected to continue at background levels all
three days.

Solar Wind

.24 hr Summary...
Solar wind parameters indicated the continued influence of a negative
polarity, polar extension, CH HSS.  Solar wind speed ranged from 528
km/s to 733 km/s.  Total field ranged from 3 nT to 13 nT while the Bz
component was variable between +/-9 nT.  Phi angle was predominantly in
a negative (towards) sector.

Solar wind speed is expected to persist around 600-700 km/s range for
the next 24 hours (10 Dec) under the influence of a negative polarity CH
HSS.  Solar wind speeds are expected to slowly decline on days two and
three (11-12 Dec).


.24 hr Summary...
The geomagnetic field was at quiet to G1 (Minor) storm levels due to
continued CH HSS influence.  An isolated G1 (Minor) storm level was
observed during the 09/1800-2100 UTC period.

The geomagnetic field is expected to be at unsettled to G1 (Minor) storm
levels on day one (10 Dec) as CH HSS effects persist.  Quiet to active
levels are expected on day two (11 Dec) with quiet to unsettled levels
on day three (12 Dec) as CH HSS effects slowly diminish.


  1. September 22, 2016 at 1:36 PM

    Safeness While Fishing

    *** If getting a boat to fish, wear your life jacket and be certain that your passengers wear their own, too!

    *** Use foresight when baiting and taking out hooks

    *** Do not even fish on unauthorized rivers

    *** If operating an important houseboat, be careful of carbon monoxide build-up for the boat

    *** Obey the released speedlimits and wake warnings if getting a watercraft when fishing

    *** Bring along extra safety items which includes water, flashlights, maps, together with a cellphone or radio.

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