Viewing archive of onsdag, 1 juni 2011
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 2011 Jun 01 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 152 publicerat klockan 2200Z på 01 Jun 2011IA. Analys av solfläcksgrupper och solaktivitet från 31-2100Z till 01-2100Z Solar activity was low. Region 1226 (S22E14) produced
three C-class events, the largest was a C4/1f at 01/1708Z. This
region is a Csi type group with a beta magnetic classification and
has decayed in both sunspot count and white light aerial coverage.
Region 1227 (S19E26) has also shown signs of decay in white light
areal coverage, but retains its D-type group and beta-gamma magnetic
classification. Region 1228 (N17E31) produced a C2/Sf at 01/0253Z.
Region 1231 (N09E68) was numbered early in the period. The STEREO
COR2 imagery observed a CME around 01/0609Z and another around
06/2009Z. Further analysis will be performed as LASCO imagery
updates to determine if these will be Earth directed.
IB. Prognos för solaktivitet
Solar activity is expected to be low
with a slight chance for an M-class event.
IIA. Sammanfattning av geofysisk aktivitet 31-2100Z till 01-2100Z
The geomagnetic field was quiet to active. An increase in activity
was observed on the Boulder magnetometer around 01/0800Z. This
activity may have been due to the CME observed on 29 May. There
were no observations available from the ACE spacecraft from
01/0028Z to 01/0771Z. The greater than 2 MeV electron flux at
geosynchronous orbit was at high levels throughout the period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at quiet to unsettled conditions with isolated active
levels for the next three days (02-04 June). Activity is expected
due to continued coronal hole high speed stream effects.
III. Chans för solutbrott från 02 Jun till 04 Jun
| M-klass | 10% | 10% | 10% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 01 Jun 114 Prognoserat 02 Jun-04 Jun 115/115/110 90 Day Mean 01 Jun 108
V. Geomagnetiskt A-index
Observerad Afr/Ap 31 May 010/013 Förväntat Afr/Ap 01 Jun 012/012 Prognoserat Afr/Ap 02 Jun-04 Jun 007/010-008/008-010/010
VI. Chanser för geomagnetisk aktivitet från 02 Jun till 04 Jun
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 10% | 20% |
| Små stormförhållanden | 05% | 05% | 10% |
| Svåra stormförhållanden | 01% | 01% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 25% |
| Små stormförhållanden | 10% | 10% | 15% |
| Svåra stormförhållanden | 05% | 05% | 10% |
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