Het archief bekijken van maandag 4 augustus 2014

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2014 Aug 04 1209 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

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

Proton Flux monitor

Quiet

	10cm flux	Ap
04 Aug 2014	152	013
05 Aug 2014	155	007
06 Aug 2014	155	007

Bulletin

Flaring is currently at low C-class level. The largest flare since our last bulletin was reported to occur this morning in NOAA AR 2126 (CAT 27) with peak time 00:53 UT. This region is currently turning over the west limb, however we expect more C-flares with a chance for a low M-class flare, especially from NOAA regions 2130, 2132 and 2134. A small filament erupted in the western hemisphere, just south of the equator on August 3 around 18:09 UT. An associated narrow CME was observed in LASCO at 19:24 UT, but is not earth-directed. Two small disturbances were observed in the solar wind. The first one started on August 3 around 15:00 UT, and is probably related to the arrival of the CME associated with the M1.5 flare on August 1. The second disturbance started today around 06:00 UT and is likely related to a high speed wind stream originating from the coronal hole that passed the central meridian on August 1. In both cases the southward component of the magnetic field did not turn strongly negative and the solar wind speed remained low, resulting in only unsettled geomagnetic conditions (K=3). Active geomagnetic conditions (K=4) are possible today. We expect a return to quiet conditions after that.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 104, gebaseerd op 16 stations.

Zon indexen voor 03 Aug 2014

Wolfgetal Catania	///
10cm zonneflux	152
AK Chambon La Forêt	013
AK Wingst	008
Geschatte Ap	007
Geschat internationaal zonnevlekkengetal	105 - Gebaseerd op 27 stations

Overzicht opvallende gebeurtenissen

Aangeboden door het Solar Influences Data Analysis Center© - SIDC - Verwerkt door SpaceWeatherLive

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