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Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2014 May 19 1239 UTC

SIDC Forecast

Сонячні спалахи

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
19 May 2014	126	006
20 May 2014	126	007
21 May 2014	126	007

Bulletin

There were no C flares nor CMEs during the past 24 hours. In the next 48 hours, quiet conditions (without C flares) are likely. There is a slight chance for C flares from beta region NOAA AR 12066. Over the last 24 hours, solar wind speed as observed by ACE was low and steady between 330 and 370 km/s, while the magnitude of the Interplanetary Magnetic Field (IMF) varied between 3 and 6 nT. Over the past 24 hours, geomagnetic conditions were quiet (K Dourbes between 0 and 2; NOAA Kp between 1 and 2). Quiet geomagnetic levels (K Dourbes < 4) are expected on May 19, 20, and 21.

Today's estimated international sunspot number (ISN): 075, based on 27 stations.

Solar indices for 18 May 2014

Wolf number Catania	///
10cm solar flux	128
AK Chambon La Forêt	008
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	099 - Based on 24 stations

Noticeable events summary

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

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