Viewing archive of torsdag, 28 juli 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 Jul 28 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 209 publicerat klockan 2200Z på 28 Jul 2011IA. Analys av solfläcksgrupper och solaktivitet från 27-2100Z till 28-2100Z Solar activity was low. Region 1260 (N19E17) produced
multiple C-flares during the period, the largest a C5 at 1212Z.
Region 1260 increased in magnetic complexity and is classified as a
Eac spot group with a Beta-Gamma-Delta magnetic classification.
Region 1261 (N15E49) has exhibited slight rotational motion and is
classified a Dko with a Beta magnetic classification. Region 1262
(N16W49) has decayed to a simple Axx group. New Regions 1263
(N18E73) and 1264 (S31E50) were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to continue
at predominantly low levels with a chance for M-class flares from
Region 1260.
IIA. Sammanfattning av geofysisk aktivitet 27-2100Z till 28-2100Z
The geomagnetic field was quiet. The greater than 2 MeV electron flux
at geosynchronous orbit reached high levels during the period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mostly quiet for the first two days (29-30 July). On
day three (31 July) activity is expected to increase to unsettled
levels with the chance for active periods due to effects from a
coronal hole high speed stream.
III. Chans för solutbrott från 29 Jul till 31 Jul
| M-klass | 40% | 40% | 40% |
| X-klass | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 28 Jul 107 Prognoserat 29 Jul-31 Jul 110/110/110 90 Day Mean 28 Jul 095
V. Geomagnetiskt A-index
Observerad Afr/Ap 27 Jul 002/004 Förväntat Afr/Ap 28 Jul 004/005 Prognoserat Afr/Ap 29 Jul-31 Jul 005/005-005/005-012/012
VI. Chanser för geomagnetisk aktivitet från 29 Jul till 31 Jul
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 05% | 35% |
| Små stormförhållanden | 01% | 01% | 15% |
| Svåra stormförhållanden | 01% | 01% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 05% | 40% |
| Små stormförhållanden | 01% | 01% | 20% |
| Svåra stormförhållanden | 01% | 01% | 10% |
All times in UTC
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