Viewing archive of fredag, 29 april 2011
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 2011 Apr 29 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 119 publicerat klockan 2200Z på 29 Apr 2011IA. Analys av solfläcksgrupper och solaktivitet från 28-2100Z till 29-2100Z Solar activity has been at low levels for the past 24
hours. Region 1203 (N18E64) produced the largest event of the
period, a C3 flare at 29/0026Z. Region 1200 (S17E05) regained spots
and has developed into a beta group.
IB. Prognos för solaktivitet
Solar activity is expected to be at
low levels for the next two days (30 April - 01 May). Very low to
low levels are expected on day three (02 May) as Regions 1199
(N18W62) and 1195 (S15W65) rotate off the west limb.
IIA. Sammanfattning av geofysisk aktivitet 28-2100Z till 29-2100Z
The geomagnetic field has been at predominantly quiet levels for the
past 24 hours. However, late in the summary period, unsettled
conditions were observed. Measurements by the ACE spacecraft showed
an increase in solar wind speed from around 350 - 450 km/s. The total
interplanetary magnetic field increased from 5 - 18 nT over the
period with the negative component peaking at -10 nT. These changes
in solar wind indicate the arrival of a coronal hole high-speed
stream (CH HSS).
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be unsettled to active with isolated periods at minor
storm levels for the next three days (30 April - 02 May) as a CH HSS
becomes geoeffective.
III. Chans för solutbrott från 30 Apr till 02 May
| M-klass | 05% | 05% | 05% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 29 Apr 110 Prognoserat 30 Apr-02 May 110/105/105 90 Day Mean 29 Apr 107
V. Geomagnetiskt A-index
Observerad Afr/Ap 28 Apr 001/003 Förväntat Afr/Ap 29 Apr 007/008 Prognoserat Afr/Ap 30 Apr-02 May 010/010-012/012-010/010
VI. Chanser för geomagnetisk aktivitet från 30 Apr till 02 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 40% | 35% |
| Små stormförhållanden | 10% | 10% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 45% | 40% |
| Små stormförhållanden | 10% | 15% | 15% |
| Svåra stormförhållanden | 01% | 05% | 05% |
Senaste nytt
måndag, 6 maj 2024
X4.5 solar flare
lördag, 4 maj 2024
Sunspot region 3663, X1 solar flare
måndag, 22 april 2024
Lot's of sunspots! Big chance for major flare activity?
Senaste inläggen
AR3663 220Sporadic E and Flare activity 19Filaments and prominences 74Weakening of Earths magnetic field due to geomagnetic excursion 18CME Imagery isn't updating since May 3rd. 9
Fler foruminläggStöd SpaceWeatherLive.com!
För att vara tillgängliga vid stora norrskensutbrott måsta vi ha kraftiga servrar som kan hantera alla besökare. Donera och stöd vårt projekt, så att vi kan finnas online även under stora stormar!
Rymdvädersfakta
| Senaste X-utbrottet | 2024/05/06 | X4.4 |
| Senaste M-utbrottet | 2024/05/06 | M1.5 |
| Senaste geomagnetiska stormen | 2024/05/02 | Kp7- (G3) |
| Fläckfria dagar | |
|---|---|
| Senaste dag utan solfläckar | 2022/06/08 |
| Månadsvis faktiskt antal solfläckar | |
|---|---|
| april 2024 | 136.5 +31.6 |
| Last 30 days | 156.6 +63.6 |