Viewing archive of lördag, 25 juni 2005
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 2005 Jun 25 2210 UTC# Prepared jointly by the U.S. Dept. of Commerce, NOAA, #Space Environment Center and the U.S. Air Force. #
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 176 publicerat klockan 2200Z på 25 Jun 2005IA. Analys av solfläcksgrupper och solaktivitet från 24-2100Z till 25-2100Z Solar activity increased to low levels today. A C1
x-ray flare occurred in Region 780 (S07W43) at 25/0346Z. This
region continues to decay as white light depicts a two spot AXX
alpha group. There were several disappearing filaments reported
today near the time SOHO/LASCO imagery depicts a full halo CME.
Much of CME signature is believed to be back-sided, although there
is some evidence that the filament activity contributed to the
overall CME signature leaving the potential for an Earth directed
component. No new regions were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at
very low levels.
IIA. Sammanfattning av geofysisk aktivitet 24-2100Z till 25-2100Z
The geomagnetic field was at quiet to unsettled levels. Showing weak
geoeffective consequences, the recurrent high speed coronal hole
stream has pushed the solar winds speeds to over 600 km/sec. The Bz
component of the interplanetary magnetic field has been
predominantly north throughout the period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at predominantly quiet to unsettled levels. Isolated
active conditions are possible on 26 June due to the high speed
stream and again on 28 June due to the potential effects from the
front-sided component of the CME activity seen today.
III. Chans för solutbrott från 26 Jun till 28 Jun
| M-klass | 01% | 01% | 01% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 25 Jun 077 Prognoserat 26 Jun-28 Jun 080/080/085 90 Day Mean 25 Jun 093
V. Geomagnetiskt A-index
Observerad Afr/Ap 24 Jun 007/017 Förväntat Afr/Ap 25 Jun 004/008 Prognoserat Afr/Ap 26 Jun-28 Jun 010/015-010/012-012/015
VI. Chanser för geomagnetisk aktivitet från 26 Jun till 28 Jun
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 25% | 30% |
| Små stormförhållanden | 10% | 10% | 15% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 30% | 35% |
| Små stormförhållanden | 15% | 10% | 15% |
| Svåra stormförhållanden | 10% | 05% | 10% |
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