Viewing archive of söndag, 26 mars 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 Mar 26 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 086 publicerat klockan 2200Z på 26 MAR 2000IA. Analys av solfläcksgrupper och solaktivitet från 25-2100Z till 26-2100Z SOLAR ACTIVITY WAS MODERATE DUE TO A SINGLE M-CLASS
EVENT; AN M2/SF FROM REGION 8926 (S12W55) AT 26/1734UT. THIS EVENT
ALSO PRODUCED A 3 DEGREE LONG, DISAPPEARING SOLAR FILAMENT (DSF)
NEAR THE REGION CENTER AT S11W55. THIS REGION ALSO PRODUCED A C2/SF
AT 25/2205UT. REGION 8921 (S14W02) PRODUCED A C7/1F AT 25/2243UT.
THIS EVENT WAS ACCOMPANIED BY TYPE II AND IV RADIO SWEEPS. OTHER
ACTIVE REGIONS INCLUDED: 8916 (N08W30), 8920 (N23W07), 8924
(N10E39), AND 8925 (S18E38), ALL OF WHICH PRODUCED ISOLATED OPTICAL
SUBFLARES. REGIONS 8924 AND 8925 SHOWED AN INCREASE IN SIZE DURING
THE PERIOD AND ALSO DEVELOPED INTO MORE COMPLEX BETA-GAMMA MAGNETIC
CLASSIFICATIONS.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE
MOSTLY LOW WITH THE POSSIBILITY OF ISOLATED M-CLASS EVENTS.
IIA. Sammanfattning av geofysisk aktivitet 25-2100Z till 26-2100Z
THE GEOMAGNETIC FIELD WAS MOSTLY QUIET TO UNSETTLED WITH ONE ISOLATED
ACTIVE PERIOD AT 26/15-1800UT.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED ON THE FIRST DAY OF THE PERIOD AND
QUIET TO ACTIVE ON THE SECOND AND THIRD DAYS. ACTIVE CONDITIONS ARE
POSSIBLE DUE TO FAVORABLE INDICATIONS, THAT THE C7/1F EVENT
DESCRIBED ABOVE, COULD HAVE ALSO PRODUCED AN EARTH-DIRECTED CORONAL
MASS EJECTION (CME). THESE INDICATORS AND THE REGION'S CENTRAL
POSITION AT THE TIME OF THE EVENT COMBINE TO PRODUCE POSSIBLE
GEOEFFECTIVE CONDITIONS. IMAGES FROM THE SOHO/LASCO SPACECRAFT WERE
NOT AVAILABLE AT THE TIME OF THE EVENT, MAKING IT DIFFICULT TO
VERIFY THE PRESENCE OF AN EARTH-DIRECTED CME.
III. Chans för solutbrott från 27 MAR till 29 MAR
| M-klass | 60% | 60% | 60% |
| X-klass | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 26 MAR 211 Prognoserat 27 MAR-29 MAR 205/200/200 90 Day Mean 26 MAR 177
V. Geomagnetiskt A-index
OBSERVED AFR/AP 25 MAR 005/008 ESTIMATED AFR/AP 26 MAR 008/008 PREDICTED AFR/AP 27 MAR-29 MAR 008/008-020/025-020/020
VI. Chanser för geomagnetisk aktivitet från 27 MAR till 29 MAR
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 60% | 60% |
| Små stormförhållanden | 05% | 10% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 70% | 70% |
| Små stormförhållanden | 10% | 25% | 20% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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