Vaata esmaspäev, 9 november 2015 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2015 Nov 09 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 09 Nov 2015 until 11 Nov 2015
Päikesepursked ehk loited

C-class flares expected, (probability >=50%)

Geomagnetism

Active conditions expected (A>=20 or K=4)

Päikese prootonid

Quiet

10cm fluxAp
09 Nov 2015108022
10 Nov 2015107012
11 Nov 2015108024

Bulletin

Over the past 24 hours there was no significant flaring activity recorded. However, most small-scale activity appears to be occurring around NOAA Active Regions (AR) 2449 (Dao-Beta) and 2450 (Bxo-Beta) which have a complex magnetic topology. Previously active AR 2443 has moved over the Western hemisphere limb. ARs 2448 and 2451 (located near disk center) appear stable, with small amounts of flux emergence. Flaring is expected to continue at the B-class level with a reasonable possibility of C-class flares and small possibility of an M-class flare. No significant filaments are visible. No significant eruptions were observed, and no Earth directed Coronal Mass Ejections (CME) were recorded. The solar wind speed has remained largely stable over the past 24 hours, around 500 km /s. The total magnetic field has slightly decreased from around 10 nT to 7 nT, and the Bz component has been largely negative. The Bz has been mainly around -5nT over the past 24 hours. Geomagnetic conditions ranged between quiet and active over the past 24 hours (NOAA Kp 1-4, local K Dourbes 2-4). With NOAA Kp remaining at Kp 4 levels throughout the morning (2015-Nov-09). A large (positive) coronal hole is currently centered at N30W30 and is probably the source of the slightly enhanced solar wind speeds and negative Bz. A small co-rotating interaction region (CIR) is believed to have preceded the coronal hole high speed stream. As this region rotates further into the Western hemisphere it will maintain increased solar wind speeds, as a consequence Solar wind conditions are expected to remain enhanced. Geomagnetic conditions are expected to vary between quiet and active.

Today's estimated international sunspot number (ISN): 063, based on 15 stations.

Solar indices for 08 Nov 2015

Wolf number Catania///
10cm solar flux108
AK Chambon La Forêt031
AK Wingst019
Estimated Ap018
Estimated international sunspot number074 - Based on 22 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

Kõik ajad UTC-s

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