Viewing archive of torsdag, 12 maj 2005
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 2005 May 12 2210 UTC# Prepared jointly by the U.S. Dept. of Commerce, NOAA, #Space Environment Center and the U.S. Air Force. #
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 132 publicerat klockan 2200Z på 12 May 2005IA. Analys av solfläcksgrupper och solaktivitet från 11-2100Z till 12-2100Z Solar activity has been moderate. On 11 May, Region
758 (S08W61) produced an M1.6/Sf at 0733Z. Region 759 (N12E19)
produced both an M1.4/1N at 1740Z and a C9.9/2B at 0113Z. Both
regions produced several C-class events over the last 24 hours.
IB. Prognos för solaktivitet
Solar activity is expected to be
moderate from 13 through 15 May. Regions 758 and 759 continue to
have a potential for M-class activity with a slight chance for a
major or proton-producing flare.
IIA. Sammanfattning av geofysisk aktivitet 11-2100Z till 12-2100Z
The geomagnetic field has been at quiet to active levels. The
greater than 2 MeV electron fluence at geosynchronous orbits reached
high levels today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at quiet to unsettled levels for 13 May, with periods
of active levels on the 15th. A coronal mass ejection which
originated from S10W66 on 11 May at 1946Z, is expected to generate a
shock arrival on the 15th.
III. Chans för solutbrott från 13 May till 15 May
| M-klass | 65% | 65% | 65% |
| X-klass | 15% | 15% | 15% |
| Proton | 15% | 15% | 15% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 12 May 117 Prognoserat 13 May-15 May 120/115/110 90 Day Mean 12 May 093
V. Geomagnetiskt A-index
Observerad Afr/Ap 11 May 007/011 Förväntat Afr/Ap 12 May 013/010 Prognoserat Afr/Ap 13 May-15 May 008/008-010/010-012/015
VI. Chanser för geomagnetisk aktivitet från 13 May till 15 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 25% | 30% |
| Små stormförhållanden | 10% | 15% | 15% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 30% | 35% |
| Små stormförhållanden | 10% | 15% | 20% |
| Svåra stormförhållanden | 05% | 05% | 10% |
All times in UTC
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