Viewing archive of tisdag, 26 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 26 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 207 publicerat klockan 2200Z på 26 Jul 2011IA. Analys av solfläcksgrupper och solaktivitet från 25-2100Z till 26-2100Z Solar activity was low during the past 24 hours.
Region 1260 (N20E45) produced the only C-class event of the period,
a C1 flare at 26/0339Z. Region 1260 has grown significantly and is
classified as a Dao type spot group. New Region 1261 (N16E74) was
numbered today. This region is still rotating onto the visible disk
and initial observations indicated a Dho type spot group. Both
regions were magnetically simple.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low to low for the next three days (27-29 July). Both Regions 1260
and 1261 are likely to produce C-class activity, with the remote
possibility of an isolated M-class event.
IIA. Sammanfattning av geofysisk aktivitet 25-2100Z till 26-2100Z
The geomagnetic field has been quiet during the past 24 hours. 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 quiet on day one (27 July). Days two and three (28-29
July) are expected to be quiet to unsettled with isolated active
periods. The increase in activity is forecast due to the expected
arrival of a recurrent coronal hole high speed stream.
III. Chans för solutbrott från 27 Jul till 29 Jul
| M-klass | 05% | 05% | 05% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 26 Jul 094 Prognoserat 27 Jul-29 Jul 095/097/099 90 Day Mean 26 Jul 095
V. Geomagnetiskt A-index
Observerad Afr/Ap 25 Jul 010/012 Förväntat Afr/Ap 26 Jul 004/005 Prognoserat Afr/Ap 27 Jul-29 Jul 005/005-010/012-012/012
VI. Chanser för geomagnetisk aktivitet från 27 Jul till 29 Jul
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 15% | 15% |
| Små stormförhållanden | 01% | 05% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 15% | 25% |
| Små stormförhållanden | 01% | 10% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
All times in UTC
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