Viewing archive of söndag, 11 februari 2001
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 2001 Feb 11 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 042 publicerat klockan 2200Z på 11 Feb 2001IA. Analys av solfläcksgrupper och solaktivitet från 10-2100Z till 11-2100Z Solar activity continued low. A C6/1f flare erupted
near the location of spotless plage 9346 (N18W80), at 0123 UTC. A
type II sweep and a halo CME occurred in conjunction with the event.
Region 9338 (S20W28) was still the brightest region in h-alpha, and
produced occasional C-class events. Some minor surging is occurring
at west limb near where Region 9330 (N22W91) is transiting. At east
limb, more impressive surging was seen to accompany the arrival of
newly numbered Region 9350 (N18E69).
IB. Prognos för solaktivitet
Solar activity is expected to be low.
IIA. Sammanfattning av geofysisk aktivitet 10-2100Z till 11-2100Z
The geomagnetic field was predominantly quiet to unsettled. However,
brief active conditions occurred from 0600-0900 UTC at Boulder from
a short-lived substorm. An enhancement in the greater than 10 MeV
proton flux at geosynchronous orbit began about 0600 UTC, following
the C6 event at 0123 UTC. The particle increase reached the 1 pfu
level, most recently at 1025 UTC, before the slow decay now
occurring, commenced.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet to unsettled. A glancing blow from today's halo
CME is anticipated mid-to-late in the forecast period, but the
impact on the field should be slight. The greater than 10 MeV
proton flux should return to background levels during the next 24
hours.
III. Chans för solutbrott från 12 Feb till 14 Feb
| M-klass | 10% | 10% | 10% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 11 Feb 151 Prognoserat 12 Feb-14 Feb 150/150/155 90 Day Mean 11 Feb 171
V. Geomagnetiskt A-index
Observerad Afr/Ap 10 Feb 004/005 Förväntat Afr/Ap 11 Feb 007/007 Prognoserat Afr/Ap 12 Feb-14 Feb 005/005-005/010-010/010
VI. Chanser för geomagnetisk aktivitet från 12 Feb till 14 Feb
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 10% | 20% |
| Små stormförhållanden | 05% | 05% | 10% |
| Svåra stormförhållanden | 01% | 01% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 30% |
| Små stormförhållanden | 10% | 10% | 20% |
| Svåra stormförhållanden | 01% | 01% | 10% |
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