Viewing archive of måndag, 11 maj 1998
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 1998 May 11 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 131 publicerat klockan 2200Z på 11 MAY 1998IA. Analys av solfläcksgrupper och solaktivitet från 10-2100Z till 11-2100Z SOLAR ACTIVITY DECLINED TO VERY LOW LEVELS. REGION 8220
(S26E68) WAS STABLE AS IT CONTINUED TO ROTATE INTO VIEW. REGION 8218
(S20E08) WAS STABLE AS WELL, AND PRODUCED ISOLATED B-CLASS
SUBFLARES. A 21 DEGREE FILAMENT DISAPPEARED FROM THE SOUTHWEST
QUADRANT OVERNIGHT. IT WAS LAST SEEN CENTERED AT S33W44. NEW REGIONS
8221 (S09W46) AND 8222 (N20E68) WERE NUMBERED.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. THERE IS A FAIR CHANCE FOR AN M-CLASS FLARE FROM REGION
8220.
IIA. Sammanfattning av geofysisk aktivitet 10-2100Z till 11-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. THE GREATER THAN 2 MEV
ELECTRON FLUX REMAINED AT MODERATE TO HIGH LEVELS. THE GREATER THAN
10 MEV PROTON FLUX RETURNED TO BACKGROUND LEVELS EARLY IN THE
PERIOD.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED THROUGH THE PERIOD. THE GREATER
THAN 2 MEV ELECTRON FLUX IS EXPECTED TO REMAIN AT MODERATE TO HIGH
LEVELS.
III. Chans för solutbrott från 12 MAY till 14 MAY
| M-klass | 40% | 40% | 40% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 11 MAY 108 Prognoserat 12 MAY-14 MAY 108/108/106 90 Day Mean 11 MAY 108
V. Geomagnetiskt A-index
OBSERVED AFR/AP 10 MAY 007/011 ESTIMATED AFR/AP 11 MAY 010/010 PREDICTED AFR/AP 12 MAY-14 MAY 012/012-010/010-010/012
VI. Chanser för geomagnetisk aktivitet från 12 MAY till 14 MAY
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 25% |
| Små stormförhållanden | 10% | 10% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 30% | 30% |
| Små stormförhållanden | 20% | 20% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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