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[DX] Malliksi: URSIGRAM kiinnostuneille
En naita juurikaan enaa harrasta - kun URSIGRAM tuli paivittain
tyopaikalleni kymmenien vuosien ajan. Tama tuli PSC:n kautta.
SIDC URSIGRAM 71212
SIDC SOLAR BULLETIN 12 Dec 2007, 1253UT
SIDC FORECAST (valid from 1230UT, 12 Dec 2007 until 14 Dec 2007)
SOLAR FLARES : Quiet conditions (<50% probability of C-class
flares)
GEOMAGNETISM : Active conditions expected (A>=20 or K=4)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 12 Dec 2007 10CM FLUX: 093 / AP: 012
PREDICTIONS FOR 13 Dec 2007 10CM FLUX: 095 / AP: 012
PREDICTIONS FOR 14 Dec 2007 10CM FLUX: 096 / AP: 005
COMMENT: There is still a slight chance of a C flare from active
region
NOAA0978 but this region is now showing clear signs of decline.
Note that a small sunspot group might be appearing today at the NE
limb.
Given its high latitude (27° N), there is a fair chance that it
belongs
to the new solar activity cycle. If a reversed magnetic polarity is
confirmed by magnetograms of the new few days, it would be the first
observed spot of the next solar cycle. The solar wind speed is still
high (600km/s). Unsettled to active geomagnetic conditions are thus
predicted for the next 24 to 48 hours, when the fast solar wind
stream will finally decay.
Tervehtien Vaino (VKL), Jokela (12.12.2007)
___________________________________________________________________________________
Ennakkotilaa WRTH 2007 nyt:
http://www.hard-core-dx.com/redirect2.php?id=wrth2007
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