Viewing archive of tisdag, 1 september 1998
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 1998 Sep 01 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 244 publicerat klockan 2200Z på 01 SEP 1998IA. Analys av solfläcksgrupper och solaktivitet från 31-2100Z till 01-2100Z SOLAR ACTIVITY WAS MODERATE. REGION 8307 (N32W90)
PRODUCED AN M1/1F FLARE AT 0459Z. REGION 8323 (S23E30) CONTINUED TO
GROW AND IS NOW A LARGE (1230 MILLIONTHS) COMPACT SUNSPOT GROUP WITH
A MAGNETIC DELTA CONFIGURATION. THE REGION PRODUCED SEVERAL C-CLASS
SUBFLARES DURING THE PERIOD. REGION 8319 (N19W68) ALSO PRODUCED
SEVERAL C-CLASS SUBFLARES, BUT DID NOT SHOW ANY GROWTH TREND AND HAS
A SIMPLE, BETA MAGNETIC CLASSIFICATION.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE
PREDOMINANTLY MODERATE. THE CONTINUED GROWTH, COMPLEXITY, AND
MAGNETIC FIELD STRENGTHS IN REGION 8323, HOWEVER, IMPLY THAT THERE
IS A FAIR CHANCE FOR A MAJOR FLARE EVENT OVER THE NEXT FEW DAYS.
IIA. Sammanfattning av geofysisk aktivitet 31-2100Z till 01-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE. SOLAR WIND CONDITIONS
APPEARED TO BE TRANSITIONING FROM THE HIGH SPEED, LOW DENSITY FLOW
OF THE LAST FEW DAYS, TO A SLOWER, SOMEWHAT HIGHER DENSITY THAT IS
CHARACTERISTIC OF NORMAL QUIESCENT SOLAR WIND. THE GREATER THAN 2
MEV ELECTRON FLUXES ATTAINED HIGH LEVELS DURING THE PAST 24 HOURS.
IIB. Prognos för geofysisk aktivitet
SOLAR ACTIVITY IS EXPECTED TO
BE MOSTLY UNSETTLED, WITH A FEW ISOLATED ACTIVE PERIODS OVER THE
NEXT TWO DAYS. CONDITIONS ARE EXPECTED TO BE QUIET TO UNSETTLED BY
DAY THREE.
III. Chans för solutbrott från 02 SEP till 04 SEP
| M-klass | 70% | 65% | 65% |
| X-klass | 20% | 20% | 20% |
| Proton | 20% | 20% | 20% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 01 SEP 177 Prognoserat 02 SEP-04 SEP 170/165/150 90 Day Mean 01 SEP 121
V. Geomagnetiskt A-index
OBSERVED AFR/AP 31 AUG 012/022 ESTIMATED AFR/AP 01 SEP 010/022 PREDICTED AFR/AP 02 SEP-04 SEP 015/015-015/012-005/012
VI. Chanser för geomagnetisk aktivitet från 02 SEP till 04 SEP
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 35% | 15% |
| Små stormförhållanden | 15% | 15% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 35% | 15% |
| Små stormförhållanden | 20% | 20% | 10% |
| Svåra stormförhållanden | 10% | 10% | 05% |
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