Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 08 - 14.06.2020, Forecast on 15 - 22.06.2020, Carrington Rotations 2231, 2232 (21,88.05; 18,08.06.2020) Earth out of ecliptic (-2.3 - -1.7) deg. (S25 - N25 is zone of geoeffectiveness) THE SUNSPOT-FORMING ACTIVITY REMAINED ON VERY LOW LEVEL. ES- TIMATED, MOST LIKELY WEEKLY AVERAGE VALUE OF THE RELATIVE SUN- SPOT NUMBER IN THE INTERNATIONAL SYSTEM (old) FOR PERIOD W=7+3 /-1 (Wn= 12+5/-1). ON THE VISIBLE SOLAR DISK ONE SUNSPOT GROUP OF 25 SOLAR CYCLE THE ORDER POLARITY, WHICH HAD APPEARANCE ON VISIBLE SOLAR DISK AT 02.06. NEXT WEEK THE LEVEL OF SUNSPOT ACTIVITY WAS ON VERY LOW LEVEL. AFTER 17.06 THE VISIBLE SOLAR DISC WILL SPOTLESS. LIKELY WEEKLY AVERAGE VALUE OF THE RELATIVE SUNSPOT NUMBER IN THE INTERNATIO- NAL SYSTEM (old) FOR NEXT WEEK IS W=010+10/-10. FLARE ACTIVITY WAS AT VERY LOW LEVEL. 26 SOLAR FLARE OF VERY LOW X-RAY CLASSES (B, A), THREE SOLAR FILAMENT EJECTIONS AND 2 CORONAL MASS EJECTIONS (12, 13.06) HAVE BEEN OBSERVED. ------------------------------------------------------------------- FLARES >M1 X-RAY CLASSES to tm te local. Class E(1-8A) AR RII/IV CME X-ray/Ïp J/m-2 DSF to te localization l deg. Fl AR CME/to *09.06 >1342 >0507 S33E06L125 7 12765 *0906 1800-1900 S24E06L113 14 12765 10.06 >0911 >2353 S44E60L156 8 * one DSF possible -------------------------------------------------------------------- NEXT WEEK THE FLARE ACTIVITY IS EXPECTED AT VERY LOW LEVEL. ON THE VISIBLE SOLAR DISK THE FOLLOWING CORONAL HOLES WERE OBSERVED: --------------------------------------------------------------------- sign N end E end S end W end Sch EE R G Spacecraft * - low geoeffectivity, the substorms with duration <6 h. only. Sch - CH area in % solar hemisphere near the central meridian on https://www.solarmonitor.org/; n/d - no data; R - solar rotations; EE-date of possible geomagnetic disturbance in the Earth's environment. G(0-5)-geoeffectivity in last solar rotation on the middle latitudes. A-active geomagnetic condition. ---------------------------------------------------------------------- FROM 7.06/19 UT, THE EARTH IS IN THE "+" SECTOR OF THE INTERPLANETARY MAGNETIC FIELD. THE FOLLOWING THE NEXT SECTOR BOUNDARY "+/-" IT CAN EX- PECT 16.06. ---------------------------------------------------------------------- éàîø 08 09 10 11 12 13 14 éàîø Wus 017 014 011 011 011 011 011 F10.7 071 072 071 072 071 069 070 èbcg A3.4 A2.9 A2.3 A1.9 A1.7 A1.5 A1.3 GOES Sp 100 070 050 050 050 060 020 msh N IMF + + + + + + + DSCOVR Å>2 1.4E+6 1.3å+6 1.1E+6 1.5E+6 1.6E+6 1.5E+6 1.7å+6 GOES Ie>2 176 178 124 197 164 150 209 pfu Ap 4 5 7 4 3 3 2 nô Dst nô KIOTO Amsc 4 6 6 4 4 4 3 nô IZMIRAN ---------------------------------------------------------------------- Å>2 - Daily Electron Fluency e/(cm2-ster-day) with E>2 MeV. Ie>2 - the maximum intensity of electron flux in geostationary or- bits in days according to GOES-15 in (electrons/cm2.s.sr) for events > 1000 pfu. THE GREATER THAN 2 MeV ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT NOT OB- OBSERVED. NEXT WEEK THE GREATER THAN 2 MeV ELECTRON FLUX AT GEOSYNCHRONOUS OR- BIT IS NOT EXPECTED. THE GEOMAGNETIC CONDITION REMAINED QUITE AND UNSETTLED ALL PERIOD. NEXT WEEK THE MOST PROBABLY QUIET AND UNSETTLED GEOMAGNETIC CONDI- TION WILL OBSERVED. HIGHLIGHT AND FORECAST COMPOSED FROM DATA: NOAA SWPC, BOULDER, USA http://www.swpc.noaa.gov, THE SOLAR INFLUENCES DATA ANALYSIS CENTRE, SIDC, BRUSSELS, BELGIUM http://sidc.oma.be/index.php3, THE IZMIRAN, MOSCOW, TROITSK, RUSSIA http://www.izmiran.ru V. Ishkov