Viewing archive of torsdag, 11 mars 2010
Solaktivitetsrapport
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Rapport för sol- och geofysisk aktivitet 2010 Mar 11 2201 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 070 publicerat klockan 2200Z på 11 Mar 2010IA. Analys av solfläcksgrupper och solaktivitet från 10-2100Z till 11-2100Z Solar activity was very low. Todays activity consisted
of a few, low-level B-class events. The largest of these was a B4/Sf
at 2039Z from Region 1054 (N15E43). This region showed steady growth
throughout the day and is classified as a D type group. The total
sunspot area increased to about 160 millionths near the end of the
period. New Region 1055 (S23W15) also continued to emerge slowly and
is currently a C-type group with about 30 millionths in area.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low to low. There is a chance for an isolated C-class flare from
Region 1054 or 1055.
IIA. Sammanfattning av geofysisk aktivitet 10-2100Z till 11-2100Z
The geomagnetic field was quiet to unsettled at mid latitudes and was
mostly unsettled to active at high latitudes. However, there were
some isolated storm intervals at high latitudes between 0000-1200Z.
Solar wind observations from ACE showed elevated velocities around
460-500 km/s with low density (1-3 p/cc). The signatures are
consistent with a weak high speed stream, presumably from the
southward extension of the northern polar coronal hole.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet for the next two days (12-13 March). An
increase to quiet to unsettled is possible on the third day (14
March) due to effects from a recurrent solar sector boundary.
III. Chans för solutbrott från 12 Mar till 14 Mar
| M-klass | 05% | 05% | 05% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 11 Mar 084 Prognoserat 12 Mar-14 Mar 085/085/085 90 Day Mean 11 Mar 082
V. Geomagnetiskt A-index
Observerad Afr/Ap 10 Mar 006/007 Förväntat Afr/Ap 11 Mar 008/008 Prognoserat Afr/Ap 12 Mar-14 Mar 005/005-005/005-007/007
VI. Chanser för geomagnetisk aktivitet från 12 Mar till 14 Mar
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 10% | 25% |
| Små stormförhållanden | 01% | 01% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 10% | 30% |
| Små stormförhållanden | 01% | 05% | 15% |
| Svåra stormförhållanden | 01% | 01% | 05% |
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