Viewing archive of söndag, 2 april 2000
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 2000 Apr 02 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 093 publicerat klockan 2200Z på 02 APR 2000IA. Analys av solfläcksgrupper och solaktivitet från 01-2100Z till 02-2100Z SOLAR ACTIVITY REMAINED AT A LOW LEVEL. THE LARGEST
EVENT OF THE PERIOD WAS A LONG DURATION C6/SF FROM REGION 8936
(S15E22) FROM 02/1658-1831Z. REGION 8933 (N17W43) ALSO PRODUCED
SEVERAL SUBFLARES DURING THAT TIME. DISK REGIONS WERE PREDOMINANTLY
STABLE OR DECAYING. ACTIVE SURGING WAS VISIBLE NEAR SE17 WHERE OLD
REGION 8906 IS DUE TO RETURN.
IB. Prognos för solaktivitet
SOLAR ACTIVITY SHOULD BE LOW TO
MODERATE. CURRENT DISK REGIONS ARE CAPABLE OF PRODUCING ISOLATED
M-CLASS EVENTS. OLD REGION 8906, THAT IS BEGINNING TO APPEAR AT THE
SOUTHEAST LIMB, PRODUCED 8 M-CLASS EVENTS LAST ROTATION BUT WAS
DECAYING SLOWLY DURING ITS WESTERN HEMISPHERE TRANSIT. DEPENDING
UPON ITS RATE OF DISSOLUTION DURING THE LAST TWO WEEKS, THIS AREA
COULD ELEVATE ACTIVITY LEVELS DURING THE FORECAST PERIOD.
IIA. Sammanfattning av geofysisk aktivitet 01-2100Z till 02-2100Z
THE GEOMAGNETIC FIELD WAS UNSETTLED TO SLIGHTLY ACTIVE. SOLAR WIND
VELOCITY WAS SLIGHTLY OVER NOMINAL AT 450-475 KM/S.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD SHOULD
REMAIN GENERALLY UNSETTLED TO SLIGHTLY ACTIVE FOR 03-04 APR. QUIET
TO UNSETTLED CONDITIONS ARE EXPECTED ON 05 APR.
III. Chans för solutbrott från 03 APR till 05 APR
| M-klass | 50% | 50% | 50% |
| X-klass | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 02 APR 219 Prognoserat 03 APR-05 APR 220/225/220 90 Day Mean 02 APR 183
V. Geomagnetiskt A-index
OBSERVED AFR/AP 01 APR 012/014 ESTIMATED AFR/AP 02 APR 014/018 PREDICTED AFR/AP 03 APR-05 APR 012/015-010/015-008/012
VI. Chanser för geomagnetisk aktivitet från 03 APR till 05 APR
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 35% | 20% |
| Små stormförhållanden | 15% | 15% | 05% |
| Svåra stormförhållanden | 05% | 05% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 40% | 25% |
| Små stormförhållanden | 15% | 15% | 05% |
| Svåra stormförhållanden | 05% | 05% | 01% |
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Rymdvädersfakta
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