Solar Activity Report for 2/19/04
- As predicted in my last report, things have gotten a bit boring for
the time being. There are a couple of small coronal holes in view,
and we could see a mild elevation in the solar wind speed starting in
about 48 hours. There are only two small numbered sunspot regions
visible this evening, and neither have any flare generating potential
at this time. There are some pretty large filaments visible. A
filament is essentially a gigantic tube of gas suspended above the
visible surface of the sun by a magnetic field. Occasionally, the
magnetic field supporting the filament will become unstable, and the
filament will collapse all at once. The millions of tons of formerly
suspended gas come crashing down, and create one heck of a spash. We
see the spash in the form of what's called a Hyder flare. Other than
that possibility, there isn't much happening.
The current solar and geomagnetic conditions are :
NOAA sunspot number : 33
SFI : 96
A index : 7
K index :
Solar wind speed : 393.6 km/sec
Solar wind density : 1.6 protons/cc
Solar wind pressure : 0.4 nPa
IMF : 4.8 nT
IMF Orientation : 2.1 nT North
Conditions for the last 24 hours :
No space weather storms were observed for the past 24 hours.
Forecast for the next 24 hours :
No space weather storms are expected for the next 24 hours.
Solar activity forecast :
Solar activity is expected to be at very low levels.
Geomagnetic activity forecast :
The geomagnetic field is expected to be at quiet to unsettled levels.
Isolated active conditions are possible on 22 February due to a
recurrent high speed coronal hole stream.
Recent significant solar flare activity :