Viewing archive of fredag, 16 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 16 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 076 publicerat klockan 2200Z på 16 Mar 2012IA. Analys av solfläcksgrupper och solaktivitet från 15-2100Z till 16-2100Z Solar activity was low. Region 1432 (N14W25) produced
three C1/Sf flares during the period. This region decreased in area
and spot count, ending the day as a Eso type group with a beta-gamma
configuration. New Region 1436 (S12E62), a simple Axx type group,
was numbered today. SDO/AIA 171 imagery showed a filament erupted
from the northwest limb around 18Z.
IB. Prognos för solaktivitet
Solar activity is expected to be low
with a chance for another M-class flare.
IIA. Sammanfattning av geofysisk aktivitet 15-2100Z till 16-2100Z
The geomagnetic field ranged from unsettled to active levels as
effects from yesterdays CME impact began to wane. Solar wind speed
at the ACE spacecraft remained high, averaging about 660 km/s
through the period while Bz ranged from +5 to -5 nT. Data suggests
we may already be under the influence of a coronal hole high speed
stream. 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 begin at unsettled to active levels with minor to major
storm periods at high latitudes for Day 1 (17 Mar). Days 2 and 3
(18-19 Mar) will see a return to predominantly active levels with
minor storm periods possible as an earth-directed CME from 15 Mar
arrives mid to late on the 18th. A glancing blow from a 14 Mar CME
is expected to precede the CME by about 12 hours. Major to severe
storm levels will be possible at high latitudes. The geomagnetic
field should return to active to unsettled levels late on Day 3 (19
Mar) as effects begin to wane.
III. Chans för solutbrott från 17 Mar till 19 Mar
| M-klass | 50% | 50% | 50% |
| X-klass | 10% | 10% | 10% |
| Proton | 20% | 15% | 15% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 16 Mar 099 Prognoserat 17 Mar-19 Mar 105/105/105 90 Day Mean 16 Mar 124
V. Geomagnetiskt A-index
Observerad Afr/Ap 15 Mar 024/038 Förväntat Afr/Ap 16 Mar 014/019 Prognoserat Afr/Ap 17 Mar-19 Mar 013/015-018/025-015/018
VI. Chanser för geomagnetisk aktivitet från 17 Mar till 19 Mar
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 40% | 30% |
| Små stormförhållanden | 05% | 20% | 15% |
| Svåra stormförhållanden | 01% | 05% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 15% |
| Små stormförhållanden | 20% | 20% | 20% |
| Svåra stormförhållanden | 20% | 25% | 15% |
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Rymdvädersfakta
| Senaste X-utbrottet | 2024/03/28 | X1.1 |
| Senaste M-utbrottet | 2024/04/19 | M2.1 |
| Senaste geomagnetiska stormen | 2024/04/16 | Kp5 (G1) |
| Fläckfria dagar | |
|---|---|
| Senaste dag utan solfläckar | 2022/06/08 |
| Månadsvis faktiskt antal solfläckar | |
|---|---|
| mars 2024 | 104.9 -19.8 |