martedì 15 novembre 2016

Propagation outlook from Boulder

:Product: Weekly Highlights and Forecasts
:Issued: 2016 Nov 14 0648 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/weekly.html
#
#                Weekly Highlights and Forecasts
#
Highlights of Solar and Geomagnetic Activity 07 - 13 November 2016

Solar activity was very low through the period with only a few
low-level B-class flares observed from Regions 2605 (N07, L=191,
class/area Cro/030 on 31 October), 2607 (S17, L=143, class/area
Dai/100 on 11 November), and 2610 (N15, L=022, class/area Cro/030 on
12 November). No Earth-directed coronal mass ejections (CME) were
observed in available satellite imagery during the reporting period.

No proton events were observed at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit was at
normal to moderate levels on 09, and 11-12 November and high levels
on 07-08, 10, and 13 November. The maximum flux of 10,253 pfu was
observed at 13/1825 UTC.

Geomagnetic field activity was at quiet to active levels with an
isolated period of G1 (Minor) storming reported during the
11/0000-0300 UTC synoptic period in response to a negative polarity
coronal hole high speed stream. Solar wind speed increased steadily
from background levels near 300 km/s to a peak of 767 km/s towards
the end of the period. Total field ranged between 3 and 16 nT while
the Bz component reached a maximum southward deviation of -11 nT.
The geomagnetic field was at mostly quiet levels on 07-09 November,
quiet to active levels on 10 and 12-13 November, and quiet to G1
(Minor) levels on 11 November.

FORECAST OF SOLAR AND GEOMAGNETIC ACTIVITY 14 NOV - 10 DEC 2016

Solar activity is expected to be at very low levels with a slight
chance for C-class flares over the forecast period.

No proton events are expected at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit is
expected to be at normal to moderate levels with high levels likely
on 14-19, 22 November - 05 December, 07 and 10 December due to
recurrent CH HSS influence.

Geomagnetic field activity is expected to be at unsettled to active
levels on 14-15, 19-29 November, and 07-10 December with G1 (Minor)
geomagnetic storm levels likely on 21-23 and 25 November, G2
(Moderate) levels likely on 21-22 November, and G3 (Strong) levels
likely on 21 November due to recurrent CH HSS effects.

:Product: 27-day Space Weather Outlook Table 27DO.txt
:Issued: 2016 Nov 14 0648 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 Outlook Table
#                Issued 2016-11-14
#
#   UTC      Radio Flux   Planetary   Largest
#  Date       10.7 cm      A Index    Kp Index
2016 Nov 14      75          15          4
2016 Nov 15      75          10          3
2016 Nov 16      75           5          2
2016 Nov 17      75           5          2
2016 Nov 18      75           5          2
2016 Nov 19      75          10          3
2016 Nov 20      75          15          4
2016 Nov 21      75          55          7
2016 Nov 22      75          45          6
2016 Nov 23      75          25          5
2016 Nov 24      75          18          4
2016 Nov 25      78          25          5
2016 Nov 26      78          18          4
2016 Nov 27      80          12          4
2016 Nov 28      82          10          3
2016 Nov 29      82           8          3
2016 Nov 30      82           5          2
2016 Dec 01      82           5          2
2016 Dec 02      84           5          2
2016 Dec 03      82           5          2
2016 Dec 04      82           5          2
2016 Dec 05      82           5          2
2016 Dec 06      82           5          2
2016 Dec 07      82          15          4
2016 Dec 08      80          12          4
2016 Dec 09      80          18          4
2016 Dec 10      78          20          4
(SWPC via DXLD)