Viewing archive of måndag, 1 augusti 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 Aug 01 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 213 publicerat klockan 2200Z på 01 Aug 2011IA. Analys av solfläcksgrupper och solaktivitet från 31-2100Z till 01-2100Z Solar activity was low during the past 24 hours. Region
1261 (N18W08) produced the largest event of the period a C4/1F flare
at 01/0732Z. Region 1261 has continued to develop in area and
magnetic complexity and is classified as an Fkc type spot group with
a Beta-Gamma-Delta magnetic configuration. Region 1263 (N127E21) has
maintained its Beta-Gamma-Delta classification and produced three
low level C-class events. Region 1260 (N18W36) and Region 1265
(N17W67) remained stable and quiet, while Region 1264 (S23W07) has
decayed to spotless plage.
IB. Prognos för solaktivitet
Solar activity is expected to be low
to moderate with a slight chance for a major event for the next
three days (02-04 August). Region 1261 is the most likely source
for a major x-ray event and has a slight chance to produce an
energetic proton event.
IIA. Sammanfattning av geofysisk aktivitet 31-2100Z till 01-2100Z
The geomagnetic field has been quiet to unsettled. Solar wind data
observed at the ACE satellite indicated that the coronal hole high
speed stream has subsided with wind speeds decreasing from 700 km/s
to about 550 km/s during the past 24 hours. A solar sector boundary
crossing was observed at 1305Z.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be predominately quiet to unsettled on day one (02
August) as the effects of the coronal hole high speed stream
continues to wane. Days two and three (03-04 August) are expected
to be quiet.
III. Chans för solutbrott från 02 Aug till 04 Aug
| M-klass | 60% | 60% | 50% |
| X-klass | 10% | 10% | 05% |
| Proton | 10% | 10% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 01 Aug 125 Prognoserat 02 Aug-04 Aug 130/125/125 90 Day Mean 01 Aug 095
V. Geomagnetiskt A-index
Observerad Afr/Ap 31 Jul 007/008 Förväntat Afr/Ap 01 Aug 007/008 Prognoserat Afr/Ap 02 Aug-04 Aug 007/007-005/005-005/005
VI. Chanser för geomagnetisk aktivitet från 02 Aug till 04 Aug
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 05% | 05% |
| Små stormförhållanden | 05% | 01% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 05% | 05% |
| Små stormförhållanden | 05% | 01% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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