| V I S U A L I Z Z A D I S C U S S I O N E |
| ik3iul |
Inserito il - 26/12/2019 : 20:41:08
http://www.arifidenza.it/forum/topic.asp?TOPIC_ID=359032
:Product: Forecast Discussion
:Issued: 2019 Dec 26 1230 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
Solar Activity
.24 hr Summary...
Solar activity was very low this period. Region 2753 (S30E26, Axx/alpha)
and Region 2754 (N25W48, Axx/alpha), the only 2 numbered regions on the
disk, were inactive, and have exhibited significant decay over the
period. No Earth-directed CMEs were observed in available coronagraph
imagery.
.Forecast...
Solar activity is expected to continue at very low levels on 26-28 Dec.
Energetic Particle
.24 hr Summary...
Both the greater than 2 MeV electron flux and the greater than 10 MeV
proton flux were below event thresholds throughout the period.
.Forecast...
The greater than 2 MeV electron flux is expected to be at normal to
moderate levels through the forecast period. The greater than 10 MeV
proton flux is expected to persist at background levels throughout the
forecast period.
Solar Wind
.24 hr Summary...
Solar wind parameters became slightly enhanced this period due to a SSBC
and arrival of weak, negative polarity CH HSS influence. Wind speeds
increased from ambient levels to ~400 km/s. Total field was 2-9 nT, and
the Bz component underwent a brief, southward deflection of -6 nT. Phi
angle became mostly negative around 25/1713 UTC.
.Forecast...
Weak, negative polarity CH HSS influence is anticipated to continue over
the course of 26 Dec. Parameters are anticipated to settle back to
normal, background levels on 27-28 Dec.
Geospace
.24 hr Summary...
The geomagnetic field was quiet to unsettled.
.Forecast...
Isolated unsettled conditions are possible on 26 Dec due to negative
polarity, CH HSS effects. Otherwise, quiet conditions are expected the
next three days (26-28 Dec).
Ciao GIOVANNI... IK3JLV
sei chiamato ad esprimere
la tua considerazione essendo
preparato ad affrontare questo
enigma solare che coinvolge
I Dxer più incalliti.
Happy new TWENTI TWENTI.
Ik3iul Silverio
|
|
|
