Viewing archive of lördag, 16 januari 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 Jan 16 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 016 publicerat klockan 2200Z på 16 JAN 1999IA. Analys av solfläcksgrupper och solaktivitet från 15-2100Z till 16-2100Z SOLAR ACTIVITY WAS MODERATE. TWO M-CLASS FLARES WERE
REPORTED: AN M3 AT 16/1207UT AND AN M1 AT 16/1956UT. ALTHOUGH BOTH
FLARES WERE OPTICALLY UNCORRELATED THEY WERE MOST LIKELY PRODUCED BY
REGION 8440 (N19E29). REGION 8440 IS THE DOMINANT ACTIVE REGION ON
THE DISK. BESIDES THE PROBABLE M-CLASS FLARES IT HAS PRODUCED
NUMEROUS C-CLASS FLARES DURING THE DAY. THE REGION IS CURRENTLY A 31
SPOT EAI GROUP WITH A BETA GAMMA MAGNETIC CLASSIFICATION. THE OTHER
ACTIVE REGION WAS 8339 (S24E28). 8339 PRODUCED A C1/SF AT 16/0137UT
BUT HAS SHOWN NO ACTIVITY SINCE THEN. REST OF THE DISK AND LIMBS
WERE QUIET.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO REMAIN
MODERATE. CONTINUED M-CLASS FLARES ARE LIKELY FROM REGION 8440 AND
POSSIBLY ISOLATED M-CLASS FLARES FROM 8439.
IIA. Sammanfattning av geofysisk aktivitet 15-2100Z till 16-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. THE GREATER THAN 2 MEV
ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT WAS AT HIGH LEVELS ALL DAY
WITH THE EXCEPTION OF THE PERIOD 16/0000UT TO 16/0600UT. DURING THAT
PERIOD THE FLUX FELL BELOW THRESHOLD LEVELS.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FILED IS
EXPECTED TO BE QUIET TO UNSETTLED.
III. Chans för solutbrott från 17 JAN till 19 JAN
| M-klass | 75% | 75% | 75% |
| X-klass | 10% | 10% | 10% |
| Proton | 10% | 10% | 10% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 16 JAN 159 Prognoserat 17 JAN-19 JAN 160/165/170 90 Day Mean 16 JAN 138
V. Geomagnetiskt A-index
OBSERVED AFR/AP 15 JAN 010/017 ESTIMATED AFR/AP 16 JAN 010/015 PREDICTED AFR/AP 17 JAN-19 JAN 010/010-005/008-005/008
VI. Chanser för geomagnetisk aktivitet från 17 JAN till 19 JAN
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 10% | 10% |
| Små stormförhållanden | 05% | 05% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 20% | 20% |
| Små stormförhållanden | 10% | 10% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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