Viewing archive of söndag, 26 februari 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 Feb 26 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 057 publicerat klockan 2200Z på 26 Feb 2012IA. Analys av solfläcksgrupper och solaktivitet från 25-2100Z till 26-2100Z Solar activity was low. Region 1421 (N14W48) produced
a C1 flare at 26/1125Z. New flux emergence appeared to the west of
Regions 1423 (N17E29) and 1424 (N07E39) and were numbered Regions
1425 (N18E12) and 1426 (N10E12) respectively. Two CMEs were
observed during the reporting period; the first, observed in
SOHO/LASCO C2 imagery at 26/0200Z off the NE limb and the second at
26/0636Z off the NW limb. Neither are expected to be geoeffective.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low with a chance for C-class activity for the next three days (27 -
29 February).
IIA. Sammanfattning av geofysisk aktivitet 25-2100Z till 26-2100Z
The geomagnetic field was quiet with an isolated active period
observed at high latitudes at 26/0900 - 1200Z. The >10 MeV proton
enhancement that began early on 25 February continued with a maximum
value of 4.6 pfu at 26/0055Z.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be unsettled to active with isolated minor storm periods
possible on day 1 (27 February) as the 24 February CME is expected
to be geoeffective. Quiet to unsettled with isolated active
conditions are expected on day 2 (28 February). Mostly quiet
conditions are expected on day 3 (29 February). There is a slight
chance for a >10 MeV proton event due to shock enhancement of the
proton levels on days 1 - 2 (27 - 28 February).
III. Chans för solutbrott från 27 Feb till 29 Feb
| M-klass | 01% | 01% | 01% |
| X-klass | 01% | 01% | 01% |
| Proton | 10% | 10% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 26 Feb 107 Prognoserat 27 Feb-29 Feb 100/100/100 90 Day Mean 26 Feb 129
V. Geomagnetiskt A-index
Observerad Afr/Ap 25 Feb 003/006 Förväntat Afr/Ap 26 Feb 006/008 Prognoserat Afr/Ap 27 Feb-29 Feb 011/015-010/010-004/005
VI. Chanser för geomagnetisk aktivitet från 27 Feb till 29 Feb
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 20% | 05% |
| Små stormförhållanden | 10% | 05% | 01% |
| Svåra stormförhållanden | 05% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 15% |
| Små stormförhållanden | 25% | 20% | 10% |
| Svåra stormförhållanden | 15% | 10% | 05% |
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Rymdvädersfakta
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