Viewing archive of torsdag, 7 juni 2012
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 2012 Jun 07 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 159 publicerat klockan 2200Z på 07 Jun 2012IA. Analys av solfläcksgrupper och solaktivitet från 06-2100Z till 07-2100Z Solar activity was low. Several C-class flares were
observed over the past 24 hours. The largest was a C9/2n flare
observed at 07/1543Z from Region 1499 (N15W09). This region
produced five other low level C-class flares during the period.
Region 1494 (S18W19) grew slightly and was also responsible for five
low level C-class flares during the period. These regions were
classied as Cai and Dso type groups, respectively, both with
beta-gamma magnetic characteristics. Region 1497 (S21W44) decreased
in areal extent since yesterday, but remained the largest region on
the disk and was classified as a Dai type group with beta magnetic
characteristics.
IB. Prognos för solaktivitet
Solar activity is expected to be low
with a chance for isolated M-class activity.
IIA. Sammanfattning av geofysisk aktivitet 06-2100Z till 07-2100Z
The geomagnetic field began at unsettled to active levels, decreasing
to quiet levels for the remainder of the period. The solar wind
speed at the ACE spacecraft decreased from 700 to 600 km/s over the
past 24 hours. The Bz component of the interplanetary magnetic
field ranged between +/- 4nT while the total field remained around 4
nT. The greater than 2 MeV electron flux at geosynchronous orbit was
at high levels throughout the period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to begin the forecast period at unsettled levels with a
chance for active conditons on day one (08 June) as coronal effects
wane and a weak CME from 05 June arrives. Quiet conditions are
expected on day two (09 June) followed by a return to unsettled
conditions with a chance for active periods on day three (10 June)
with the potential arrival of a CME from 06 June.
III. Chans för solutbrott från 08 Jun till 10 Jun
| M-klass | 30% | 25% | 25% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observerad 07 Jun 128 Prognoserat 08 Jun-10 Jun 130/130/130 90 Day Mean 07 Jun 117
V. Geomagnetiskt A-index
Observerad Afr/Ap 06 Jun 017/017 Förväntat Afr/Ap 07 Jun 007/008 Prognoserat Afr/Ap 08 Jun-10 Jun 007/008-006/005-007/010
VI. Chanser för geomagnetisk aktivitet från 08 Jun till 10 Jun
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 10% | 20% |
| Små stormförhållanden | 10% | 05% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 15% |
| Små stormförhållanden | 25% | 15% | 25% |
| Svåra stormförhållanden | 30% | 15% | 30% |
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Rymdvädersfakta
| Senaste X-utbrottet | 2024/03/28 | X1.1 |
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| Fläckfria dagar | |
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