Viewing archive of tisdag, 9 november 1999
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 1999 Nov 09 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 313 publicerat klockan 2200Z på 09 NOV 1999IA. Analys av solfläcksgrupper och solaktivitet från 08-2100Z till 09-2100Z SOLAR ACTIVITY BECAME MODERATE. REGION 8759 (N10E46)
PRODUCED A MODERATE DURATION M1/1F AT 09/2009Z. THIS REGION IS LARGE
AND WAS GENERALLY STABLE BUT EXHIBITED SOME MIXED POLARITIES
INCLUDING A WEAK DELTA CONFIGURATION IN THE TRAILER WHERE THE M1
FLARE WAS LOCATED. REGION 8760 (N14E10) CONTINUED TO EMERGE AT A
MODERATELY FAST PACE AND PRODUCED A C8/2B AT 09/0607Z WITH MINOR
RADIO BURSTS. IN ADDITION TO FREQUENT SUBFLARES, THIS REGION
EXHIBITED BRIGHT PLAGE FOR ALMOST ALL OF THE PERIOD. THERE WERE
INDICATIONS THAT A MODERATE SIZE REGION IS RETURNING TO THE
SOUTHEAST LIMB.
IB. Prognos för solaktivitet
SOLAR ACTIVITY SHOULD BE GENERALLY
MODERATE FOR THE NEXT THREE DAYS. BOTH REGIONS 8759 AND 8760 ARE
CAPABLE OF GENERATING M-CLASS FLARES. REGION 8759 COULD PRODUCE AN
ISOLATED X-CLASS EVENT.
IIA. Sammanfattning av geofysisk aktivitet 08-2100Z till 09-2100Z
THE GEOMAGNETIC FIELD RANGED FROM UNSETTLED TO MINOR STORM LEVELS.
THE MOST DISTURBED PERIOD WAS FROM 09/0900-1200Z. SOME HIGH LATITUDE
SITES EXPERIENCED BRIEF PERIODS OF MAJOR STORMING. THIS DISTURBANCE
IS CORONAL HOLE RELATED. ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS
ORBIT BECAME HIGH NEAR 09/1035Z.
IIB. Prognos för geofysisk aktivitet
THE CURRENT GEOMAGNETIC FIELD
DISTURBANCE IS EXPECTED TO CONTINUE FOR THE NEXT THREE DAYS.
PERIODS OF MINOR STORMING AT MID LATITUDES, AND MAJOR STORMING AT
HIGH LATITUDES, ARE POSSIBLE DURING THE PERIOD. ENERGETIC ELECTRON
FLUXES SHOULD REMAIN HIGH FOR APPROXIMATELY ONE WEEK. THERE IS A
SLIGHT POSSIBILITY OF A SOLAR PROTON EVENT DURING THE PERIOD.
III. Chans för solutbrott från 10 NOV till 12 NOV
| M-klass | 75% | 75% | 75% |
| X-klass | 15% | 15% | 15% |
| Proton | 10% | 10% | 10% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 09 NOV 230 Prognoserat 10 NOV-12 NOV 215/220/225 90 Day Mean 09 NOV 157
V. Geomagnetiskt A-index
OBSERVED AFR/AP 08 NOV 019/033 ESTIMATED AFR/AP 09 NOV 025/029 PREDICTED AFR/AP 10 NOV-12 NOV 020/027-018/025-018/020
VI. Chanser för geomagnetisk aktivitet från 10 NOV till 12 NOV
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 40% | 40% |
| Små stormförhållanden | 30% | 25% | 25% |
| Svåra stormförhållanden | 15% | 15% | 15% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 40% | 40% |
| Små stormförhållanden | 35% | 35% | 30% |
| Svåra stormförhållanden | 20% | 20% | 15% |
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