Viewing archive of måndag, 24 juli 2000

Solaktivitetsrapport

Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Rapport för sol- och geofysisk aktivitet 2000 Jul 24 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 206 publicerat klockan 2200Z på 24 JUL 2000

IA. Analys av solfläcksgrupper och solaktivitet från 23-2100Z till 24-2100Z

SOLAR ACTIVITY HAS BEEN LOW. A PARTIAL HALO CORONAL MASS EJECTION HAS BEEN REPORTED BY SOHO LASCO IN ASSOCIATION WITH THE LONGER DURATION FLARE THAT OCCURRED ON 22 JULY AT 1117Z. THE SAME EVENT ALSO PRODUCED A SMALL SOLAR ENERGETIC PARTICLE EVENT ON 22 JULY. LASCO ALSO REPORTED A PARTIAL HALO ON 23 JULY, POSSIBLY IN ASSOCIATION WITH A FILAMENT ERUPTION IN REGION 9097, NOW AT N07E00. REGION 9097 REMAINS THE MOST ACTIVE AND COMPLEX REGION, BUT THERE APPEARS TO BE A TREND TOWARD SIMPLIFICATION AND LOWER LEVELS OF ACTIVITY IN ALMOST ALL REGIONS. A LARGE CORONAL HOLE EXTENDS FROM EAST TO WEST ACROSS THE NORTHERN HEMISPHERE AT ABOUT N30 TO N40. ANOTHER SMALLER HOLE IS VISIBLE FROM THE EQUATOR SOUTH-EASTWARD FROM NEAR REGION 9097 TO ABOUT S15 AND FROM CENTRAL MERIDIAN EASTWARD FOR ABOUT,15 DEGREES.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE LOW TO MODERATE WITH A DECLINING CHANCE OF MORE ENERGETIC ACTIVITY. IIA. GEOPHYSICAL ACTIVITY SUMMARY 23/2100Z TO 24/2100Z: THE GEOMAGNETIC FIELD HAS BEEN QUIET TO UNSETTLED.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS EXPECTED TO BE MOSTLY UNSETTLED. EFFECTS OF THE CME ON 22 JULY MAY MATERIALIZE DURING THE PERIOD.
III. Chans för solutbrott från 25 JUL till 27 JUL
M-klass80%70%60%
X-klass25%20%20%
Proton35%35%25%
PCAFYELLOW
IV. Penticton 10.7 cm Flux
  Observerad       24 JUL 225
  Prognoserat   25 JUL-27 JUL  220/210/205
  90 Day Mean        24 JUL 190
V. Geomagnetiskt A-index
OBSERVED AFR/AP 23 JUL  020/020
ESTIMATED AFR/AP 24 JUL  008/012
PREDICTED AFR/AP 25 JUL-27 JUL  020/020-020/020-012/012
VI. Chanser för geomagnetisk aktivitet från 25 JUL till 27 JUL
A. Medelhöga breddgrader
Aktivt30%30%30%
Små stormförhållanden25%20%15%
Svåra stormförhållanden10%05%05%
B. Höga breddgrader
Aktivt30%30%25%
Små stormförhållanden25%25%13%
Svåra stormförhållanden12%12%06%

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