Viewing archive of tisdag, 16 mars 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 Mar 16 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 075 publicerat klockan 2200Z på 16 MAR 1999

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

SOLAR ACTIVITY CONTINUED AT MODERATE LEVELS. REGION 8485 (N23W39) REMAINED A LARGE F-TYPE GROUP WITH MIXED POLARITIES AND SHOWED AN OVERALL INCREASE IN ACTIVITY, THOUGH NO SIGNIFICANT CHANGES WERE APPARENT IN ITS SIZE OR STRUCTURE. IT PRODUCED AN IMPULSIVE M1/1F AT 16/0635UT ALONG WITH SEVERAL C-CLASS SUBFLARES. ALL OF THESE FLARES WERE WEAK IN RADIO EMISSION. REGION 8487 (N16W02) PRODUCED ISOLATED B-CLASS SUBFLARES AND SHOWED NO SIGNIFICANT CHANGES. A 16-DEGREE FILAMENT, LAST SEEN NEAR S35W32, DISAPPEARED EARLY IN THE PERIOD. THERE WAS A CME ASSOCIATED WITH THE DISAPPEARANCE, BUT IT DID NOT APPEAR TO BE EARTH-DIRECTED. NEW REGION 8489 (N13W28) WAS NUMBERED.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE MODERATE. REGIONS 8485 AND 8487 APPEAR CAPABLE OF PRODUCING M-CLASS FLARES. THERE IS ALSO A SLIGHT CHANCE FOR A MAJOR FLARE FROM REGION 8485.
IIA. Sammanfattning av geofysisk aktivitet 15-2100Z till 16-2100Z
THE GEOMAGNETIC FIELD WAS QUIET.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS EXPECTED TO BE AT MOSTLY QUIET TO UNSETTLED LEVELS. HOWEVER, ACTIVE PERIODS ARE POSSIBLE DURING THE FIRST TWO DAYS IN RESPONSE TO RECENT CME OCCURRENCES.
III. Chans för solutbrott från 17 MAR till 19 MAR
M-klass50%45%40%
X-klass05%05%05%
Proton05%05%05%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observerad       16 MAR 156
  Prognoserat   17 MAR-19 MAR  155/150/145
  90 Day Mean        16 MAR 142
V. Geomagnetiskt A-index
OBSERVED AFR/AP 15 MAR  011/016
ESTIMATED AFR/AP 16 MAR  005/005
PREDICTED AFR/AP 17 MAR-19 MAR  012/010-015/012-010/008
VI. Chanser för geomagnetisk aktivitet från 17 MAR till 19 MAR
A. Medelhöga breddgrader
Aktivt25%30%25%
Små stormförhållanden05%05%05%
Svåra stormförhållanden01%01%01%
B. Höga breddgrader
Aktivt30%35%30%
Små stormförhållanden10%10%05%
Svåra stormförhållanden01%01%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-utbrottet2024/03/23X1.1
Senaste M-utbrottet2024/03/28M6.1
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
12024M7.0
22001M6.17
32024M6.1
42000M4.46
52022M4.0
ApG
1200144G2
2200327G2
3199721G2
4201727G1
5200421G1
*sedan 1994

Sociala medier