Viewing archive of tisdag, 9 juli 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 Jul 09 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 190 publicerat klockan 2200Z på 09 Jul 2002

IA. Analys av solfläcksgrupper och solaktivitet från 08-2100Z till 09-2100Z

Solar activity was moderate. Two M-class events (an M2.3 at 08/2320 UTC, and an M1.0 at 09/0905 UTC) along with a C8.6 event (at 09/0413 UTC) all occurred from an apparent emergent source near the northwest limb. Associated activity in this area was evident in SOHO/EIT imagery and in H-alpha imagery from the IPS Culgoora observatory. Other activity included an unusual tenflare (250 sfu at 09/1858 UTC) that occurred without notable x-ray enhancement. However, a possible source was evident in an impressive backside full-halo CME, seen in SOHO/LASCO imagery at 09/1931 UTC. New Region 30 (N18E74) rotated into view and was numbered today. This large, bipolar region was the likely source of yesterday's M-class event.
IB. Prognos för solaktivitet
Solar activity is expected to be low to moderate for the next three days.
IIA. Sammanfattning av geofysisk aktivitet 08-2100Z till 09-2100Z
The geomagnetic field was quiet to active. Isolated active periods occurred in apparent response to gradually increasing solar wind speed and periods of southward IMF.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is expected to be mainly quiet to unsettled for the next three days. Isolated active conditions may occur late in the period in response to an expected onset of high speed stream effects from a coronal hole.
III. Chans för solutbrott från 10 Jul till 12 Jul
M-klass35%35%35%
X-klass01%01%01%
Proton05%05%05%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observerad       09 Jul 136
  Prognoserat   10 Jul-12 Jul  135/140/135
  90 Day Mean        09 Jul 166
V. Geomagnetiskt A-index
  Observerad Afr/Ap 08 Jul  006/010
  Förväntat     Afr/Ap 09 Jul  013/014
  Prognoserat    Afr/Ap 10 Jul-12 Jul  010/010-008/008-010/008
VI. Chanser för geomagnetisk aktivitet från 10 Jul till 12 Jul
A. Medelhöga breddgrader
Aktivt15%10%15%
Små stormförhållanden05%01%05%
Svåra stormförhållanden01%01%01%
B. Höga breddgrader
Aktivt20%15%15%
Små stormförhållanden05%05%05%
Svåra stormförhållanden01%01%01%

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