Viewing archive of måndag, 6 december 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 Dec 06 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 340 publicerat klockan 2200Z på 06 DEC 1999IA. Analys av solfläcksgrupper och solaktivitet från 05-2100Z till 06-2100Z SOLAR ACTIVITY REMAINED LOW. THE LARGEST ACTIVITY WAS A
C8/2N TENFLARE EVENT FROM REGION 8788 (N09E29) AT 06/0718UT. THIS
EVENT ALSO INCLUDED A TYPE II SWEEP WITH A SPEED OF 500 KM/S AND A
FULL-HALO CME AS DETECTED BY THE LASCO SPACECRAFT. NEW REGION 8790
(N09E47) WAS NUMBERED TODAY. ALTHOUGH THIS REGION IS A SMALL 4 SPOT
BXO BETA GROUP IT IS SHOWING INCREASING ACTIVITY AND HAS PRODUCED
SEVERAL OPTICAL SUBFLARES. THE REST OF THE DISK AND LIMB WERE MOSTLY
STABLE WITH LITTLE ACTIVITY.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE LOW.
IIA. Sammanfattning av geofysisk aktivitet 05-2100Z till 06-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE. THE DISTURBANCE IN THE
GEOMAGNETIC FIELD FOR THE LAST TWO DAYS IS A CONSEQUENCE OF HIGH
SPEED SOLAR WIND FROM A WELL POSITIONED CORONAL HOLE.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY UNSETTLED TO ACTIVE. EPISODIC MINOR STORM
CONDITIONS MAY OCCUR DURING LOCAL NIGHTTIME'S. THIS STREAM SHOULD
CONTINUE TO AFFECT THE FIELD FOR THE NEXT TWO DAYS. THE FULL-HALO
CME DESCRIBED ABOVE COULD HAVE POTENTIAL GEOMAGNETIC AFFECTS ON
DECEMBER 9-10.
III. Chans för solutbrott från 07 DEC till 09 DEC
| M-klass | 20% | 20% | 20% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 06 DEC 143 Prognoserat 07 DEC-09 DEC 150/150/155 90 Day Mean 06 DEC 165
V. Geomagnetiskt A-index
OBSERVED AFR/AP 05 DEC 019/018 ESTIMATED AFR/AP 06 DEC 020/020 PREDICTED AFR/AP 07 DEC-09 DEC 015/018-015/015-015/015
VI. Chanser för geomagnetisk aktivitet från 07 DEC till 09 DEC
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 01% | 01% | 01% |
| Små stormförhållanden | 01% | 01% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 01% | 01% | 01% |
| Små stormförhållanden | 01% | 01% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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