Viewing archive of tisdag, 27 januari 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 Jan 27 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 027 publicerat klockan 2200Z på 27 JAN 1998IA. Analys av solfläcksgrupper och solaktivitet från 26-2100Z till 27-2100Z SOLAR ACTIVITY WAS LOW. REGION 8142 (S21W65) PRODUCED
THE DAY'S ONLY C-CLASS FLARE, A C5/SN AT 26/2235UT. A TYPE II RADIO
SWEEP ACCOMPANIED THE FLARE (EST. SHOCK VEL. 700 - 900 KM/SEC).
ISOLATED B-CLASS SUBFLARES OCCURRED DURING THE REMAINDER OF THE
PERIOD. REGION 8143 (S35E10) APPEARED TO STABILIZE WHILE MAINTAINING
A MODERATELY COMPLEX MAGNETIC STRUCTURE. NO NEW REGIONS WERE
ASSIGNED.
IB. Prognos för solaktivitet
SOLAR ACTIV ITY IS EXPECTED TO REMAIN
LOW. REGIONS 8142 AND 8143 COULD PRODUCE ISOLATED C-CLASS FLARES.
THERE IS ALSO A SLIGHT CHANCE FOR AN M-CLASS FLARE FROM EITHER
REGION.
IIA. Sammanfattning av geofysisk aktivitet 26-2100Z till 27-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. THE UNSETTLED PERIODS
WERE LIMITED TO HIGH LATITUDES.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET THROUGH 28 JANUARY. A DISTURBANCE IS
EXPECTED DURING 29 - 30 JANUARY IN RESPONSE TO THE PARTIAL-HALO CME
THAT OCCURRED ON 25 JANUARY. UNSETTLED TO MINOR STORM LEVELS ARE
EXPECTED DURING THE DISTURBANCE.
III. Chans för solutbrott från 28 JAN till 30 JAN
| M-klass | 10% | 10% | 10% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 27 JAN 101 Prognoserat 28 JAN-30 JAN 098/098/098 90 Day Mean 27 JAN 097
V. Geomagnetiskt A-index
OBSERVED AFR/AP 26 JAN 002/003 ESTIMATED AFR/AP 27 JAN 005/005 PREDICTED AFR/AP 28 JAN-30 JAN 005/005-020/015-015/020
VI. Chanser för geomagnetisk aktivitet från 28 JAN till 30 JAN
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 60% | 50% |
| Små stormförhållanden | 00% | 20% | 15% |
| Svåra stormförhållanden | 00% | 11% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 70% | 70% |
| Små stormförhållanden | 00% | 10% | 10% |
| Svåra stormförhållanden | 00% | 10% | 10% |
All times in UTC
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