Vaata pühapäev, 1 november 2015 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2015 Nov 01 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 01 Nov 2015 until 03 Nov 2015
Päikesepursked ehk loited

M-class flares expected (probability >=50%)

Geomagnetism

Major magstorm expected (A>=50 or K>=6)

Päikese prootonid

Quiet

10cm fluxAp
01 Nov 2015118013
02 Nov 2015118032
03 Nov 2015118112

Bulletin

Solar activity was low to moderate with the most prominent region on disk Catania group 62 (NOAA region 2443) producing several high level C class flares as well as an M flare (peak 17:52UT). Flux emergence was recorded in the trailing part of Catania group 59 (NOAA 2442) and East of Catania group 60 (NOAA 2441). Catania Group 62 (NOAA 2443) maintains its complex beta-gamma-delta configuration and displays further development. More M class flares can be expected from this region. No Earth directed CME's were recorded. The proton fluxes have recovered near background levels. Solar wind conditions were nominal. Solar wind speed was in the 330-380 km/s range with the total magnetic field mainly in the 5-8 nT range but with peaks to 9 and 10 nT. Bz was variable with a peak down to -7.5 nT. The magnetic field phi angle was stable in the negative sector. Geomagnetic conditions were quiet to unsettled (local K Dourbes 0-3, NOAA Kp 1-3). Solar wind conditions are expected to remain nominal over the first 24 hours but to increase afterwards with the expected arrival of a recurrent equatorial coronal hole high speed stream. In the previous rotation the coronal hole caused solar wind speeds of over 800 km/s and associated major geomagnetic storms. A similar level of activity can be expected during this passage.

Today's estimated international sunspot number (ISN): 090, based on 19 stations.

Solar indices for 31 Oct 2015

Wolf number Catania///
10cm solar flux119
AK Chambon La Forêt///
AK Wingst008
Estimated Ap006
Estimated international sunspot number/// - Based on /// stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
31174817521755N06E51M1.0SF62/2443

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

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