Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 05 - 11.11.2018, Forecast on 12 - 18.11.2018, Carrington Rotation 2210(26,10.2018) Earth out of ecliptic (+5.52 - +5.32) deg. (S23 - N24 is zone of geoeffectiveness) THE SUNSPOT-FORMING ACTIVITY OF THE SUN HAVE REMAINED AT THE VERY LOW. THE SUNSPOT OBSERVED 11.11 ONLY (SPOTLESS - 190 DAYS IN THIS YEAR). ESTIMATED, MOST LIKELY WEEKLY AVERAGE VALUE OF THE RELATIVE SUNSPOT NUMBER IN THE INTERNATIONAL SYSTEM (old) FOR PERIOD W= 001 +0/-1 (Wn = 001+0/-1). THERE IS ONE SMALL SUNSPOT GROUP HAVE BEEN OBSERVED. NEXT WEEK THE LEVEL OF SUNSPOT ACTIVITY WILL STAY AT A VERY LOW LE- VEL. LIKELY WEEKLY AVERAGE VALUE OF THE RELATIVE SUNSPOT NUMBER IN THE INTERNATIONAL SYSTEM (old) FOR THE NEXT WEEK IS W= 010+10/-10. THE FLARE ACTIVITY WAS ON THE VERY LOW LEVEL. ONE CORONAL MASS EJEC- TIONS 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 × ÇÒÁÄ. Fl AR CME/to ------------------------------------------------------------------------- NEXT WEEK THE FLARE ACTIVITY IS EXPECTED AT VERY LOW LEVELS. ON THE VISIBLE SOLAR DISK THE FOLLOWING CORONAL HOLES WERE OBSERVED: ------------------------------------------------------------------------ sign N end E end S end W end Sch EE R G Space Obser. CH - N18L188 N05L193 N00L195 N10L178 1.4% 9.10 2 G0 SOHO,SDO... Sch - CH Square 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. ------------------------------------------------------------------------ AFTER 8.11/1823 UT EARTH IS IN "-" SECTOR OF THE INTERPLANETARY MAGNE- TIC FIELD, BUT THE SIGN OF THE SECTOR IS VERY UNSTABLE. NEXT STABLE SECTOR BOUNDARY -/+ THE EARTH MUST PASS 9.11. --------------------------------------------------------------------- NOVEMBER 05 06 07 08 09 10 11 NOVEMBER Wus 000 000 000 000 000 000 011 F10.7 068 069 069 070 069 069 070 èbcg <á1.0 <á1.0 <á1.0 <á1.0 <á1.0 <á1.0 <á1.0 GOES Sp 000 000 000 000 000 000 010 msh N IMF + + +/~ +/- - - - DSCOVR Å>2 5.5E+7 2.2E+8 2.9E+8 1.3å+8 1.3å+8 3.1E+6 - GOES Ie>2 pfu Ap 35 10 10 10 10 13 7 nô Dst nô KIOTO Amsc 26 5 8 11 16 15 8 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 BEGUN 5.11/1635 UT AND 5 - 11.11 HAVE BEEN OBSERVED. NEXT WEEK THE GREATER THAN 2 MeV ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT IS EXPECTED 14 - 19.11. MODERATE MAGNETIC STORM WHICH HAS BEGUN IN THE SECOND HALF 4.11 (G2, Ams=50, dur.=18 h.) ACCORDING TO THE CENTER IN BOULDER AND (G1, Ams= 44, dur.=15 h.) ACCORDING TO IZMIRAN DATA, THERE WAS BY THE EXPECTED THE REACTION OF THE MAGNETOSPHERE TO PASSING OF SOLAR PLASMA HIGH- SPEED STREAM FROM TRANS-EQUATORIAL "+" POLARITY CORONAL HOLE. THE FOLLOWING HIGH-SPEED STREAM ALREADY FROM THE CORONAL HOLE "-" POLA- RITY HAS CAUSED 9 -10.11 ONLY INTENSIVE (G1) SUBSTORM (dur 9 h.) AC- CORDING TO IZMIRAN DATA AND PULSE SEPARATE (~3 h) SUBSTORM ACCORDING TO THE CENTER IN BOULDER. IN OTHER DAYS THE GEOMAGNETIC CONDITION RE- MAINED UNSETTLED. THE NEXT WEEK IS MOST PROBABILITY OF QUIET AND UNSETTLED GEOMAGNE- TIC CONDITION. 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