Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 03 - 10.06.2012, Forecast on 11 - 18.06.2012, Carrington Rotations 2124 (25,42.05.2012) SUNSPOT ACTIVITY OF THE SUN CHANGED WITH HIGH (4-5.06) TO THE AVERA- GE LEVEL. WEEKLY, THE AVERAGE OF SUNSPOT NUMBER IN THE INTERNATIONAL SYSTEM FOR THE PERIOD 03-10.06) WAS MADE W=057+34/-13. ON THE VISIB- LE DISK OF THE SUN CONSTANTLY THERE WERE 10-6 SMALL SUNSPOT GROUPS. NEXT WEEK THE LEVEL OF SUNSPOT ACTIVITY IS EXPECTED TO BE AVERAGE. THE CALCULATED MOST LIKELY WEEKLY AVERAGE VALUE OF SUNSPOT NUMBER IN THE INTERNATIONAL SYSTEM FOR THE NEXT WEEK W=060+20/-10. FLARE ACTIVITY WAS AT AVERAGE LEVEL 3, 6, 9, 10.06/ IN OTHER DAYS - LOW LEVEL. BY DATA OF SOHO AND STEREO CORONOGRAPHS FOR THE PERIOD IT WAS OBSERVED 47 CME ON AMONG WHOM WERE 2 (3 AND 8.06) OF PARTIAL HALO II TYPE. ------------------------------------------------------------------- FLARES to tm te c/p local. Class E(1-8A) AR RII/IV CME X / opt. J/m-2 03.06 1748 1755 >1757 N16E38L201 M3.3/ 7.0E-3 11496 II/2 CME/pH 06.06 1954 2006 2100 S19W05L204 M2.1/1B 1.3E-2 11994 II/3 IV/3 09.06 1120 1132 >1135 s17e73L086 M1.9/ 5.7E-3 11504 09.06 1645 1653 >1659 s17e74L086 M1.8/SF 6.5E-3 11504 10.06 0639 0645 >0650 S15E66L086 M1.3/ 5.0E-3 11504 DSF to te c/p local. l in deg. Fl AR CME 04.06 >2330 <1632 S30W51L266 5 08.06 1645 NE CME/1756 08.06 1706 N10E50L112 CME/1856/0304km s/pH c/p local. - central part localization -------------------------------------------------------------------- NEXT WEEK FLARE ACTIVITY IS EXPECTED ON AVERAGE AND LOW LEVELS. ON THE VISIBLE SOLAR DISK DURING THE LAST WEEK THE FOLLOWING CORONAL HOLES WERE OBSERVED: --------------------------------------------------------------------- sign N end Å end S end W end EE R Observatories CH - N42L198 N26L196 S10L228 N05L241 6.06 6 KP, SDO, SOHO.. CH - S18L230 S38L219 S38L219 S25L235 7.06 6 KP, SDO, SOHO.. CH + N42L144 N39L139 N28L158 N30L164 11.06 2 KP, SDO, SOHO.. CH + S33L146 S30L138 S32L140 S25L152 12.06 1 KP, SDO, SOHO.. Two first - one CH divided by small AR; R - solar rotations; KP - KITT PEAK solar observatory; EE-date of possible geomag. disturbation in the Earth's environment. --------------------------------------------------------------------- WITH 01.06/03 ON 8.06/10 UT EARTH WAS IN "-" SECTOR OF THE INTERPLAN- ETARY MAGNETIC FIELD. HOWEVER 10.06/18 UT IT AGAIN RETURNED IN "-" SECTOR. THE FOLLOWING SECTOR BOUNDERY -/ + EARTH SHOULD PASS 12-13.06. JUNE 03 04 05 06 07 08 09 10 JUNE Wus 133 154 154 131 098 090 107 127 F10.7 129 128 139 140 128 124 128 128 èbcg B5.0 ÷3.7 B4.0 ÷4.9 ÷6.0 ÷4.7 B5.2 B5.0 GOES Sp 590 590 670 580 480 300 400 550 Nnew 1 3 1 2 2 IMF - - - - - -/+ + +/- ACE Å>2 1.4å+6 1.6E+6 2.4E+7 2.2å+8 4.3å+8 3.9å+8 4.1E+8 5.5E+8 GOES Nm% THULE Ap 18 17 17 17 8 8 7 5 áÒ Dst ëIOTO Amsc 20 19 19 17 11 10 9 10 IZMIRAN ----------------------------------------------------------------------- THE GREATER THAN 2 MeV ELECTRON FLUX AT GEOSTATIONARY ORBIT VERY HIGH LEVEL WAS OBSERVED FROM 06.05/1210 UT 06 - 10.06. THE GREATER THAN 2 MeV ELECTRON FLUX AT GEOSTATIONARY ORBIT VERY HIGH LEVEL IS EXPECTED 11 - 12.06. LAST WEEK THE GEOMAGNETIC SITUATION WAS ACTIVE C 3 TILL 6.06. IN OTHER DAYS THE GEOMAGNETIC SITUATION WAS UNSETTLED AND QUIET. NEXT WEEK THE GEOMAGNETIC CONDITIONS IS EXPECTED UNSETTLED AND QUIET. HIGHLIGHT AND FORECAST COMPOSED FROM DATA OF NOAA SWPC http://www.sec.noaa.gov, OF THE SOLAR INFLUENCES DATA ANALYSIS CENTER - SIDC, BELGIUM http://sidc.oma.be/index.php3, OF THE IZMIRAN, RUSSIA http://www.izmiran.ru