Viewing archive of torsdag, 26 juni 2008
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 2008 Jun 26 2203 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 178 publicerat klockan 2200Z på 26 Jun 2008IA. Analys av solfläcksgrupper och solaktivitet från 25-2100Z till 26-2100Z Solar activity was very low. No flares occurred during
the past 24 hours and the solar disk continues to be spotless.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low.
IIA. Sammanfattning av geofysisk aktivitet 25-2100Z till 26-2100Z
The geomagnetic field ranged from quiet to active levels during the
past 24 hours. Conditions were initially unsettled but increased to
predominantly active levels from 0000-1500Z. A particularly notable
substorm was observed between 0900-1200Z, which elevated some high
latitude sites to storm level activity. Activity levels have
declined to quiet to unsettled levels since 1500Z. Solar wind
signatures showed an increase in velocity from initial values of
about 500 km/s to about 650 km/s by 0800Z. Solar wind velocity
continued to be elevated in the 600-650 km/s range through the
remainder of the day. The solar wind observations were all
consistent with a high speed stream from a favorably positioned
coronal hole.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mostly quiet to unsettled with a chance for isolated
active periods for the first day (27 June) while the solar wind
velocity remains elevated. Conditions are expected to decline to
quiet to unsettled levels for the second day (28 June) and
predominantly quiet for the third day (29 June).
III. Chans för solutbrott från 27 Jun till 29 Jun
| M-klass | 01% | 01% | 01% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observerad 26 Jun 065 Prognoserat 27 Jun-29 Jun 065/065/065 90 Day Mean 26 Jun 069
V. Geomagnetiskt A-index
Observerad Afr/Ap 25 Jun 010/012 Förväntat Afr/Ap 26 Jun 012/015 Prognoserat Afr/Ap 27 Jun-29 Jun 010/010-007/008-005/005
VI. Chanser för geomagnetisk aktivitet från 27 Jun till 29 Jun
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 20% | 10% |
| Små stormförhållanden | 10% | 05% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 50% | 25% | 10% |
| Små stormförhållanden | 15% | 10% | 01% |
| Svåra stormförhållanden | 05% | 01% | 01% |
All times in UTC
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