Re: Solar Activity Report for 4/13/03
- In the W. Pac that TS really blew up w/ this EMF event.
--- In email@example.com, "David" <b1blancer1@e...>
> The Earth is drifting out of a high speed solar wind stream thatfar
> pushed the solar wind speeds close to the 700 km/sec mark over the
> weekend. Since this most recent sigh speed solar wind encounter
> started back on the 8th, aurora have been seen and photographed as
> south as Michigan. See this link for some really nice aurorapictures
> from Alaska, Canada, and the northern US :Stay
> http://science.nasa.gov/spaceweather/aurora/gallery_01apr03.html .
> While the solar wind speed is still over the 500 km/sec, it would
> appear that the geomagnetic activity is over for the time being.
> tuned, however, as more action is on the way. A large coronal holeis
> not in an Earth-pointing position, and more high speed solar windbetween
> gusts should be on the way. Look for them to arrive on or about the
> 15th. Maybe income tax day will be made slightly more palatable by
> some aurora displays! On the sunspot and flare fronts, not much is
> happening at present. There are three numbered sunspot regions
> visible, but none appear to be capable of generating a significant
> flare for the time being.
> The current solar and geomagnetic conditions are :
> NOAA sunspot number : 61
> SFI : 102
> A index : 11
> K index : 2
> Solar wind speed : 509.6 km/sec
> Solar wind density : 3.5 protons/cc
> Solar wind pressure : 1.5 nPa
> IMF : 7.5 nT
> IMF Orientation : 0.9 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 very low to low. There is a fair
> chance for additional isolated C-class flare events during the next
> three days.
> Geomagnetic activity forecast :
> The geomagnetic field is expected to be generally unsettled for the
> next three days, with a chance for some isolated active periods. A
> coronal hole will be rotating to a favorable position sometime
> 15 and 17 April and is expected to produce an increase ingeomagnetic
> activity levels.
> Recent significant solar flare activity :