Viewing archive of lördag, 3 mars 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 Mar 03 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 063 publicerat klockan 2200Z på 03 Mar 2012IA. Analys av solfläcksgrupper och solaktivitet från 02-2100Z till 03-2100Z Solar activity was low. Both Regions 1427 (N15W31) and
1429 (N18E68) produced low level C-class flares including a long
duration C1.9 x-ray flare at 03/1948Z with an associated Tenflare
(220 sfu) from Region 1429. Initial analysis of newly numbered
Region 1429 indicates it is a Dkc spot class with a Beta-Gamma
magnetic classification. Another spot group was observed emerging
in the SE quadrant and was numbered Region 1428 (S17E51).
IB. Prognos för solaktivitet
Solar activity is expected to be at
low to moderate levels with M-class flares likely from Region 1429.
IIA. Sammanfattning av geofysisk aktivitet 02-2100Z till 03-2100Z
The geomagnetic field was quiet to unsettled with isolated minor
storm periods observed at high latitudes from 03/0600 - 1200Z.
Solar wind speed at the ACE spacecraft has declined from
approximately 420 km/s to 380 km/s while the Bz component of the
interplanetary magnetic field has remained predominantly south near
-5 nT. 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 to unsettled on day 1 (04 March) as a recurrent
coronal hole high speed stream (CH HSS) is expected to become
geoeffective. Mostly quiet conditions are expected on day 2 (05
March). On day 3 (06 March) another CH HSS is expected to move into
geoeffective position causing quiet to unsettled conditions.
III. Chans för solutbrott från 04 Mar till 06 Mar
| M-klass | 55% | 55% | 55% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 03 Mar 116 Prognoserat 04 Mar-06 Mar 115/115/115 90 Day Mean 03 Mar 126
V. Geomagnetiskt A-index
Observerad Afr/Ap 02 Mar 010/010 Förväntat Afr/Ap 03 Mar 008/008 Prognoserat Afr/Ap 04 Mar-06 Mar 007/008-006/005-007/008
VI. Chanser för geomagnetisk aktivitet från 04 Mar till 06 Mar
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 05% | 15% |
| Små stormförhållanden | 05% | 01% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 15% | 20% |
| Små stormförhållanden | 15% | 10% | 15% |
| Svåra stormförhållanden | 05% | 01% | 05% |
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