Viewing archive of torsdag, 20 juni 2002

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 2002 Jun 20 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 171 publicerat klockan 2200Z på 20 Jun 2002

IA. Analys av solfläcksgrupper och solaktivitet från 19-2100Z till 20-2100Z

Solar activity has been low. Only two low C-class events were observed during the period. The largest region on the visible disk is Region 8 (S09E52). This region is a DKO beta group which has shown modest growth during the period with a white light area of 480 millionths. A new region was numbered today as Region 9 (S19W66).
IB. Prognos för solaktivitet
Solar activity is expected to be low.
IIA. Sammanfattning av geofysisk aktivitet 19-2100Z till 20-2100Z
The geomagnetic field was predominately quiet to unsettled with one period of active conditions.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is expected to be quiet to unsettled.
III. Chans för solutbrott från 21 Jun till 23 Jun
M-klass25%25%25%
X-klass01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observerad       20 Jun 145
  Prognoserat   21 Jun-23 Jun  150/155/155
  90 Day Mean        20 Jun 177
V. Geomagnetiskt A-index
  Observerad Afr/Ap 19 Jun  013/016
  Förväntat     Afr/Ap 20 Jun  008/012
  Prognoserat    Afr/Ap 21 Jun-23 Jun  008/010-005/008-005/008
VI. Chanser för geomagnetisk aktivitet från 21 Jun till 23 Jun
A. Medelhöga breddgrader
Aktivt15%15%15%
Små stormförhållanden05%05%05%
Svåra stormförhållanden01%01%01%
B. Höga breddgrader
Aktivt20%20%20%
Små stormförhållanden10%05%05%
Svåra stormförhållanden01%01%01%
PLAIN This message is for users of the NOAA/SEC Space Weather Operations sunspot region numbers. As you may have noticed, region number 10000 was assigned on June 14. Space Weather operations is going through the sequence of Region numbers as 9998, 9999, 0000, 0001, and so on. SEC's product text discussions of the active regions will ignore the leading zeroes (for example, we will say 'Region number 5' rather than Region number '0005'). However, the Geoalert product, the Region Report product, as well as the USAF and IUWDS data exchange codes will preserve the 4 digit format. The necessity of using four digits is for operational purposes only. For historical purposes all regions beyond Region 9999 will be understood to be in a series of region numbers 10000 and higher.

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