Viewing archive of lördag, 29 november 1997
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 1997 Nov 29 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 333 publicerat klockan 2200Z på 29 NOV 1997IA. Analys av solfläcksgrupper och solaktivitet från 28-2100Z till 29-2100Z SOLAR ACTIVITY WAS LOW. REGION 8113 PRODUCED THREE
MINOR C-CLASS X-RAY EVENTS DURING THE PAST 24 HOURS, THE LARGEST A
C5/SF AT 29/0929Z. THIS REGION HAS REMAINED RELATIVELY STABLE IN
SIZE SINCE YESTERDAY, WHILE INCREASING IT'S SPOT COUNT FROM 19 TO
27. THE REGION'S LEADER SPOT HAS INCREASED IN SIZE TODAY, AND
SEVERAL OF THE INTERMEDIATE SPOTS NOW HAVE PENUMBRA. REGION 8113 IS
CURRENTLY CLASSIFIED AS AN 'EHO' BETA-GAMMA GROUP, ALTHOUGH THE MOUNT
WILSON OBSERVATORY CONTINUES TO INDICATE A BETA-GAMMA-DELTA MAGNETIC
CONFIGURATION.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE
MODERATE. REGION 8113 RETAINS THE POTENTIAL FOR SIGNIFICANT M-CLASS
X-RAY ACTIVITY, AS WELL AS THE CHANCE FOR AN ISOLATED X-CLASS EVENT.
IIA. Sammanfattning av geofysisk aktivitet 28-2100Z till 29-2100Z
THE GEOMAGNETIC FIELD HAS BEEN QUIET AT ALL LATITUDES FOR THE PAST 24
HOURS. THE GREATER THAN 2 MEV ELECTRON FLUX REMAINED HIGH.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET FOR THE NEXT 24 HOURS, WITH ACTIVITY
INCREASING TO QUIET TO UNSETTLED ON DAYS TWO AND THREE. THERE IS A
CHANCE THAT THE SHOCK ASSOCIATED WITH THE X2/2B FLARE ON 27 NOV.
COULD IMPACT EARTH EITHER LATE ON DAY TWO OR EARLY ON DAY THREE. IF
THIS OCCURS, ACTIVITY IS LIKELY TO INCREASE BRIEFLY TO ACTIVE, WITH
THE OUTSIDE CHANCE FOR AN ISOLATED PERIOD OF MINOR STORMING.
III. Chans för solutbrott från 30 NOV till 02 DEC
| M-klass | 75% | 75% | 75% |
| X-klass | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | YELLOW | ||
IV. Penticton 10.7 cm Flux
Observerad 29 NOV 112 Prognoserat 30 NOV-02 DEC 125/125/120 90 Day Mean 29 NOV 093
V. Geomagnetiskt A-index
OBSERVED AFR/AP 28 NOV 002/002 ESTIMATED AFR/AP 29 NOV 002/002 PREDICTED AFR/AP 30 NOV-02 DEC 005/007-010/010-010/010
VI. Chanser för geomagnetisk aktivitet från 30 NOV till 02 DEC
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 15% |
| Små stormförhållanden | 10% | 10% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 15% |
| Små stormförhållanden | 10% | 10% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
All times in UTC
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