Viewing archive of torsdag, 14 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 14 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 014 publicerat klockan 2200Z på 14 JAN 1999IA. Analys av solfläcksgrupper och solaktivitet från 13-2100Z till 14-2100Z SOLAR ACTIVITY WAS MODERATE. REGION 8440 (N19E56)
PRODUCED TWO M-CLASS EVENTS DURING THE INTERVAL. THE FLARES WERE AN
M3/SN AT 1020Z, AND AN M1/SN AT 1903Z. BOTH EVENTS WERE IMPULSIVE
WITH LITTLE RESPONSE ACROSS THE RADIO SPECTRUM. REGION 8440 ALSO
GENERATED A C6/1N AT 0100Z. REGION 8439 (S24E53), THE LARGEST GROUP
ON THE DISK, HAD A FEW SMALL C-CLASS SUBFLARES. ELSEWHERE, NEW
REGION 8441 (N18E28) WAS BORN ON THE DISK. THE REMAINDER OF THE DISK
AND LIMBS WERE QUIET.
IB. Prognos för solaktivitet
SOLAR ACTIVITY SHOULD PERSIST AT
MODERATE LEVELS FOR THE NEXT 24 HOURS.
IIA. Sammanfattning av geofysisk aktivitet 13-2100Z till 14-2100Z
THE GEOMAGNETIC FIELD WAS AT QUIET TO MINOR STORM LEVELS AT MIDDLE
LATITUDES. HIGH LATITUDES EXPERIENCED CONDITIONS VARYING FROM QUIET
TO MAJOR STORM. THIS DISTURBANCE, ASSOCIATED WITH THE PASSAGE OF A
CORONAL MASS EJECTION, IS NOW WEAKENING.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE AT GENERALLY QUIET TO UNSETTLED LEVELS THROUGHOUT THE
PERIOD. ISOLATED BRIEF SUBSTORMS MAY BRING ACTIVE CONDITIONS DURING
LOCAL NIGHTTIMES FOR THE NEXT 24 HOURS.
III. Chans för solutbrott från 15 JAN till 17 JAN
| M-klass | 60% | 60% | 60% |
| X-klass | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 14 JAN 137 Prognoserat 15 JAN-17 JAN 150/160/170 90 Day Mean 14 JAN 138
V. Geomagnetiskt A-index
OBSERVED AFR/AP 13 JAN 019/028 ESTIMATED AFR/AP 14 JAN 020/026 PREDICTED AFR/AP 15 JAN-17 JAN 010/012-010/009-005/009
VI. Chanser för geomagnetisk aktivitet från 15 JAN till 17 JAN
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 10% |
| Små stormförhållanden | 10% | 10% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 25% | 15% |
| Små stormförhållanden | 15% | 15% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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