Viewing archive of onsdag, 3 september 1997

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 1997 Sep 03 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 246 publicerat klockan 2200Z på 03 SEP 1997

IA. Analys av solfläcksgrupper och solaktivitet från 02-2100Z till 03-2100Z

SOLAR ACTIVITY WAS LOW. REGION 8076 (N28W54) PRODUCED FIVE C-CLASS EVENTS. THE LARGEST WAS A C4/SF AT 02/2113Z. REGION 8076 DECAYED SLIGHTLY DURING THE PERIOD. NEW REGION 8083 (S28E56) EMERGED RAPIDLY AND PRODUCED SEVERAL SMALL SUBFLARES.
IB. Prognos för solaktivitet
GENERALLY, SOLAR ACTIVITY SHOULD CONTINUE AT A LOW LEVEL WITH OCCASIONAL C-CLASS FLARES FROM REGION 8076. CONTINUED RAPID GROWTH IN NEW REGION 8083 WILL RESULT IN C-CLASS EVENTS FROM THAT AREA ALSO. AN ISOLATED M-CLASS EVENT FROM REGION 8076 REMAINS A POSSIBILITY.
IIA. Sammanfattning av geofysisk aktivitet 02-2100Z till 03-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. SOME ISOLATED HIGH LATITUDE SITES EXPERIENCED BRIEF ACTIVE PERIODS. SOLAR WIND DATA SHOWED MODERATELY RAPID INCREASES IN VELOCITY AND DENSITY NEAR 02/2238Z. THIS DISTURBANCE IS POSSIBLY RELATED TO THE CME AND CORONAL MORETON WAVE OBSERVED LATE ON 29 AUG. AT PRESS TIME DENSITY AND VELOCITY INCREASES (TO 25 P/CC AND 500 KM/S) WERE OBSERVED. GOES-9 (W135) EXPERIENCED A MAGNETOPAUSE CROSSING BETWEEN 03/2100-2110Z.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD SHOULD BE AT UNSETTLED TO MINOR STORM LEVELS FOR 04 SEP AS THE CURRENT DISTURBANCE CONTINUES. ISOLATED MAJOR STORMING IS POSSIBLE. MOSTLY UNSETTLED LEVELS ARE EXPECTED ON 05 SEP WITH QUIET CONDITIONS RETURNING ON 06 SEP.
III. Chans för solutbrott från 04 SEP till 06 SEP
M-klass15%15%15%
X-klass05%05%05%
Proton05%05%05%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observerad       03 SEP 093
  Prognoserat   04 SEP-06 SEP  094/095/090
  90 Day Mean        03 SEP 075
V. Geomagnetiskt A-index
OBSERVED AFR/AP 02 SEP  005/005
ESTIMATED AFR/AP 03 SEP  014/017
PREDICTED AFR/AP 04 SEP-06 SEP  020/020-010/010-005/005
VI. Chanser för geomagnetisk aktivitet från 04 SEP till 06 SEP
A. Medelhöga breddgrader
Aktivt35%20%10%
Små stormförhållanden25%10%05%
Svåra stormförhållanden10%01%01%
B. Höga breddgrader
Aktivt40%20%10%
Små stormförhållanden30%10%05%
Svåra stormförhållanden10%01%01%

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