Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 19 - 25.05.2014, Forecast on 26.05 - 01.06.2014, Carrington Rotation 2150, 2151 (04,62.05; 31,83.05.2014) SUNSPOT-FORMING ACTIVITY OF THE SUN REMAINED ON THE AVERAGE LEVEL. ESTIMATED, WEEKLY AVERAGE VALUE OF THE RELATIVE SUNSPOT NUMBER IN THE INTERNATIONAL SYSTEM WAS MADE W=61+19/-19. ON THE VISIBLE SOLAR DISK CONSTANTLY OBSERVED 9-6 SMALL SUNSPOT GROUPS. NEXT WEEK IS EXPECTED THE AVERAGE LEVEL OF SUNSPOT-FORMING ACTIVITY. ESTIMATED, MOST LIKELY WEEKLY AVERAGE VALUE OF RELATIVE SUNSPOT NUM- BER IN THE INTERNATIONAL SYSTEM FOR THE NEXT WEEK IS EXPECTED W=050 +20/-20. FLARE ACTIVITY WAS AT THE MIDDLE LEVEL 24.05 AND AT THE LOW-IN OTHER DAYS. WITHIN THE PERIOD WERE OBSERVED 10 SOLAR FILAMENT EJECTIONS. BY SOHO AND STEREO CORONOGRAPHS DATA THERE WERE OBSERVED 28 CME. ------------------------------------------------------------------- FLARES to tm te c/p local. Class E(1-8A) AR RII/IV CME X-ray/Ïp J/m-2 24.05 1826 1835 1910 S19W53L142 M1.3/SF 8.1E-3 12065 DSF to te c/p local. l in deg. Fl AR CME 19.05 >0542 >0637 N22W14L176 18 19.05 >0910 <0154 N24W44L206 11 20.05 0154 0405 S15W47L196 16 2066 21.05 0901 1453 S23E33L103 13 22.05 >0050 <1247 S35E59L063 7 22.05 >0050 <1247 N23W62L184 9 22.05 >0050 <1247 S27W73L199 8 2061 22.05 >0050 <1247 N27E64L064 13 2073 22.05 >0920 <0001 N19W61L183 8 24.05 >0729 <2333 S04W08L104 11 -------------------------------------------------------------------- NEXT WEEK FLARE ACTIVITY IS EXPECTED AT THE AVERAGE LEVELS. ON THE VISIBLE SOLAR DISK THE FOLLOWING CORONAL HOLES WERE OBSERVED: -------------------------------------------------------------------- sign N end Å end S end W end EE R G Observatories CH + N02L147 S08L144 S10L145 S00L149 23.05 1 SDO, SOHO, ... CH + N65L082 N60L077 N30L114 N50L132 25.05 2 SDO, SOHO, ... R - solar rotations; KP - KIT PEAK solar observatory; EE-date of possible geomag. disturbance in the Earth's environment. G - geoeffectivity in last solar rotation; A-active geomagnetic condition. --------------------------------------------------------------------- AFTER 21.05/20 UT THE EARTH IS IN "-" SECTOR OF INTERPLANETARY MAGNE- TIC FIELDS. THE FOLLOWING SECTOR BOUNDER -/+ THE EARTH HAS TO PASS ON MAY, 29. íáê 19 20 21 22 23 24 25 íáê Wus 130 126 100 070 112 130 133 F10.7 117 117 114 111 116 118 113 èbcg B3.9 B3.4 ÷3.4 ÷2.8 ÷3.3 ÷4.9 B4.1 GOES Sp 340 230 370 280 320 440 560 mvh N 2 1 1 2 IMF + + ± - - - - áóå Å>2 1.3E+6 1.0å+6 1.3å+6 8.5å+5 2.1å+5 2.1å+6 8.9E+6 GOES Ie>2 pfu GOES Ap 4 3 3 8 17 5 4 nT áÒ Dst nT KéOTO Amsc 7 8 6 9 18 10 9 nT éúíéòáî -------------------------------------------------------------------- Å>2 - Daily Electron Fluence e/(cm2-ster-day) with E>2 MeV. Ie>2 - the maximum intensity of electron flux in geostationary orbits in days according to GOES 15 in (electrons/cm2-s-sr) for events > 1000 pfu. THE GREATER THAN 2 MeV ELECTRON FLUX AT GEOSTATIONARY ORBIT VERY HIGH LEVEL WAS NOT OBSERVED. THE GREATER THAN 2 MeV ELECTRON FLUX AT GEOSTATIONARY ORBIT VERY HIGH LEVEL BE NOT EXPECTED. GEOMAGNETIC CONDITIONS ONLY MAY 23 WERE ACTIVE, WHEN THE WHOLE EARTH WAS REGISTERED BY A 9-hour SUBSTORM (G1). IN THE REMAINING DAYS THE GEOMAGNETIC CONDITIONS REMAIN QUITE ABD UNSETTLED. NEXT WEEK THE GEOMAGNETIC CONDITIONS ARE 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