Viewing archive of lördag, 16 oktober 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 Oct 16 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 289 publicerat klockan 2200Z på 16 OCT 1999

IA. Analys av solfläcksgrupper och solaktivitet från 15-2100Z till 16-2100Z

SOLAR ACTIVITY REMAINED AT LOW LEVELS. REGION 8731 (N12W03) SHOWED MINOR GROWTH INCLUDING THE RE-FORMATION OF A MAGNETIC DELTA CONFIGURATION NEAR REGION CENTER. IT PRODUCED ISOLATED C-CLASS SUBFLARES DURING THE PERIOD. REGION 8728 (N23W26) ALSO PRODUCED ISOLATED C-CLASS SUBFLARES, BUT WAS STABLE IN TERMS OF SIZE AND MAGNETIC STRUCTURE. THE REMAINING REGIONS WERE EITHER STABLE OR DECLINING. NEW REGION 8735 (N18E40) WAS NUMBERED.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE AT LOW TO MODERATE LEVELS. REGION 8731 PROVIDES A GOOD CHANCE FOR ISOLATED M-CLASS FLARES. THERE IS ALSO A SLIGHT CHANCE FOR A MAJOR FLARE FROM THIS REGION.
IIA. Sammanfattning av geofysisk aktivitet 15-2100Z till 16-2100Z
GEOMAGNETIC FIELD ACTIVITY VARIED FROM QUIET TO MINOR STORM LEVELS DUE TO CONTINUING CORONAL HOLE EFFECTS. THE GREATER THAN 2 MEV ELECTRON FLUX REACHED HIGH LEVELS DURING THE PERIOD.
IIB. Prognos för geofysisk aktivitet
GEOMAGNETIC FIELD ACTIVITY IS EXPECTED TO VARY FROM UNSETTLED TO ACTIVE LEVELS DURING THE FIRST DAY WITH A DECREASING TREND AS CORONAL HOLE EFFECTS GRADUALLY SUBSIDE. QUIET TO UNSETTLED LEVELS ARE EXPECTED DURING THE LAST TWO DAYS OF THE PERIOD. THE GREATER THAN 2 MEV ELECTRON FLUX IS EXPECTED TO RANGE FROM MODERATE TO HIGH LEVELS THROUGHOUT THE PERIOD.
III. Chans för solutbrott från 17 OCT till 19 OCT
M-klass60%60%60%
X-klass10%10%10%
Proton10%10%10%
PCAFYELLOW
IV. Penticton 10.7 cm Flux
  Observerad       16 OCT 189
  Prognoserat   30 DEC-16 OCT  185/185/180
  90 Day Mean        16 OCT 158
V. Geomagnetiskt A-index
OBSERVED AFR/AP 15 OCT  017/024
ESTIMATED AFR/AP 16 OCT  020/020
PREDICTED AFR/AP 17 OCT-19 OCT  015/015-012/010-010/010
VI. Chanser för geomagnetisk aktivitet från 17 OCT till 19 OCT
A. Medelhöga breddgrader
Aktivt25%15%10%
Små stormförhållanden10%10%05%
Svåra stormförhållanden05%01%01%
B. Höga breddgrader
Aktivt30%20%15%
Små stormförhållanden15%15%05%
Svåra stormförhållanden10%05%01%

Gå till översikt idag

Senaste nytt

Stöd SpaceWeatherLive.com!

För att vara tillgängliga vid stora norrskensutbrott måsta vi ha kraftiga servrar som kan hantera alla besökare. Donera och stöd vårt projekt, så att vi kan finnas online även under stora stormar!

23%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Rymdvädersfakta

Senaste X-utbrottet2024/03/28X1.1
Senaste M-utbrottet2024/03/29M3.2
Senaste geomagnetiska stormen2024/03/25Kp5 (G1)
Fläckfria dagar
Senaste dag utan solfläckar2022/06/08
Månadsvis faktiskt antal solfläckar
februari 2024124.7 +1.7

I dag i historien*

Solutbrott
12001X2.45
22014X1.45
32023X1.2
42024M3.2
52001M3.13
ApG
1199928G2
2200337G1
3201328G1
4200122G1
5199820G1
*sedan 1994

Sociala medier