Solar Activity Report for 11/27/03
- All remains calm this Thanksgiving Day, and the solar wind speed has
slowed down some, as anticipated. Sunspot region 508 produced the
only notable activity, that being a long duration C9.6 flare.
Curiously, the sun is peppered with sunspots this evening, with seven
numbered sunspot regions being visible. That's more than you might
expect to see at this time in the sunspot cycle, although spikes of
activity are certainly possible at any time. Of the group, sunspot
region 508 appears to have the best chance to produce a significant
The current solar and geomagnetic conditions are :
NOAA sunspot number : 175
SFI : 175
A index : 8
K index : 2
Solar wind speed : 415.1 km/sec
Solar wind density : 3.1 protons/cc
Solar wind pressure : 0.5 nPa
IMF : 5.6 nT
IMF Orientation : 1.1 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 :
Space weather for the next 24 hours is expected to be minor. Radio
blackouts reaching the R1 level are expected.
Solar activity forecast :
Solar activity is expected to be low to moderate. M-class flares
remain possible from Region 507 and Region 508.
Geomagnetic activity forecast :
The geomagnetic field is expected to be quiet to unsettled, with
isolated periods of active conditions in higher latitudes on 29-30
Recent significant solar flare activity :