Viewing archive of tisdag, 9 mars 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 Mar 09 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 068 publicerat klockan 2200Z på 09 MAR 1999IA. Analys av solfläcksgrupper och solaktivitet från 08-2100Z till 09-2100Z SOLAR ACTIVITY WAS LOW. REGION 8484 PRODUCED TWO
C-CLASS SUBFLARES: THE FIRST WAS A C2/1F AT 1830Z AND THE SECOND WAS
A C1/SF AT 2010Z. THE GROUP IS AN ACTIVE, BUT RELATIVELY SMALL
D-TYPE SUNSPOT REGION. REGION 8485 (N22E53) SHOWED FREQUENT
BRIGHTENINGS DURING THE PAST 24 HOURS BUT ONLY PRODUCED ONE
SUB-FAINT FLARE. THE OTHER SUNSPOT REGIONS WERE STABLE AND QUIET.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE LOW.
THERE IS A SLIGHT CHANCE, HOWEVER, FOR AN ISOLATED M-CLASS EVENT
FROM 8484 OR 8477 (S28W33).
IIA. Sammanfattning av geofysisk aktivitet 08-2100Z till 09-2100Z
THE GEOMAGNETIC FIELD RANGED FROM QUIET TO STORM LEVELS DURING THE
PAST 24 HOURS. AN INITIALLY QUIET FIELD BECAME ACTIVE AROUND
09/0000UT, AND INTENSIFIED TO MINOR STORM (WITH SOME HIGH LATITUDE
MAJOR STORM PERIODS) BETWEEN 0600-1330 UT. CONDITIONS SUBSIDED
GRADUALLY, WITH UNSETTLED CONDITIONS PREVAILING BY 09/2100Z. THE
GREATER THAN 2 MEV ELECTRONS AT GEOSYNCHRONOUS ORBIT ATTAINED HIGH
LEVELS DURING THE PAST 24 HOURS.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY UNSETTLED FOR THE NEXT 24 HOURS. QUIET TO
UNSETTLED CONDITIONS SHOULD PREVAIL FOR THE SECOND AND THIRD DAYS.
III. Chans för solutbrott från 10 MAR till 12 MAR
| M-klass | 10% | 10% | 10% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 09 MAR 127 Prognoserat 10 MAR-12 MAR 135/145/150 90 Day Mean 09 MAR 142
V. Geomagnetiskt A-index
OBSERVED AFR/AP 08 MAR 008/010 ESTIMATED AFR/AP 09 MAR 020/025 PREDICTED AFR/AP 10 MAR-12 MAR 010/012-010/012-005/008
VI. Chanser för geomagnetisk aktivitet från 10 MAR till 12 MAR
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 10% |
| Små stormförhållanden | 05% | 05% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 25% | 15% |
| Små stormförhållanden | 10% | 10% | 05% |
| Svåra stormförhållanden | 05% | 05% | 01% |
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