Vaata teisipäev, 11 veebruar 2014 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2014 Feb 11 1256 UTC

SIDC Forecast

Valid from 1230 UTC, 11 Feb 2014 until 13 Feb 2014
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
11 Feb 2014161010
12 Feb 2014163008
13 Feb 2014165005

Bulletin

During last 24 hours the flaring activity was at the low C-class level, with an exception of the isolated M-class flare observed this morning. Majority of the flares (including the M-class flare) originated from the Catania sunspot group 36 (NOAA AR 1974). The impulsive M1.7 flare which peaked at 03:31 UT on February 11 was accompanied with an EIT wave and coronal dimmings. The currently available data do not show CME associated with this flare. We expect flaring activity on the C-level, with the possibility of an isolated M-class flare. The solar wind speed is currently around 450 km/s, and the interplanetary magnetic field magnitude is stable amounting about 6 nT. We expect quiet to unsettled (K<4) geomagnetic conditions in the coming hours.

Today's estimated international sunspot number (ISN): 115, based on 12 stations.

Solar indices for 10 Feb 2014

Wolf number Catania///
10cm solar flux161
AK Chambon La Forêt022
AK Wingst012
Estimated Ap013
Estimated international sunspot number096 - Based on 11 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
11032203310339S12E17M1.71N14036/1974VI/1III/3II/2

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

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