Viewing archive of Monday, 13 November 2017

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2017 Nov 13 1303 UTC

SIDC Forecast

Valid from 1230 UTC, 13 Nov 2017 until 15 Nov 2017
Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
13 Nov 2017070005
14 Nov 2017074016
15 Nov 2017075008

Bulletin

Solar activity is low, with only few B-class flares reported during last 24 hours. We expect solar activity to stay at the same low level with possible, but not very probable isolated C-class flares from the active region which started its rotation from the behind of the east solar limb. No Earth directed CMEs have been observed and the solar protons remained at background level in the past 24 hours. The Earth is inside the slow solar wind with the speed of about 400 km/s. During last 24 hours the interplanetary magnetic field magnitude was stable having the value of about 3nT. The geomagnetic conditions are quiet and we expect quiet to possibly unsettled and even active geomagnetic conditions starting from tomorrow afternoon. The expected disturbed geomagnetic conditions are associated with the low latitude extend of the northern polar coronal hole (reached central meridian in the early morning of November 11).

Today's estimated international sunspot number (ISN): 000, based on 24 stations.

Solar indices for 12 Nov 2017

Wolf number Catania///
10cm solar flux069
AK Chambon La Forêt014
AK Wingst007
Estimated Ap006
Estimated international sunspot number000 - Based on 27 stations

Noticeable events summary

DayBeginMaxEndLocStrengthOP10cmCatania/NOAARadio burst types
None

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

All times in UTC

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G1 - Minor geomagnetic storm

Observed Kp: 5
Threshold reached: 23:19 UTC

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Tórshavn
Oulu, Rovaniemi, Sodankylä
Reykjavik
Tromsø
Kiruna, Luleå

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Kuopio
Bergen, Trondheim
Arkhangelsk
Sundsvall, Umeå
The solar wind speed is currently moderately high (525.9 km/sec.)
The strength of the interplanetary magnetic field is moderate (11.36nT), the direction is North (3.6nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-85nT)
The maximum X-ray flux of the past two hours is:
C5.75

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