Viewing archive of onsdag, 27 september 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 Sep 27 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 271 publicerat klockan 2200Z på 27 SEP 2000

IA. Analys av solfläcksgrupper och solaktivitet från 26-2100Z till 27-2100Z

SOLAR ACTIVITY WAS LOW. THE LARGEST EVENT THIS PERIOD WAS A C9/1N EVENT FROM REGION 9167 (N14W69). NUMEROUS MINOR C-CLASS FLARES WERE OBSERVED FROM SEVERAL OTHER REGIONS, SUCH AS 9169 (N12W47), 9173 (S13E38) AND NEW REGION 9176 (S10E68). SEVERAL OF THE MINOR C-CLASS WERE OPTICALLY UNCORRELATED. REGION 9169 SHOWED NO FURTHER DECAY SINCE YESTERDAY. THE REGION NOW HAS A BETA GAMMA MAGNETIC CONFIGURATION. REGION 9170 (S06W51) SHOWED SLIGHT GROWTH DURING THE PERIOD AND ALSO NOW HAS A BETA GAMMA CONFIGURATION. NEW REGIONS 9176, AND 9177 (N28E01) WERE NUMBERED TODAY.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE LOW TO MODERATE. CONTINUED MINOR C-CLASS ACTIVITY IS EXPECTED. REGIONS 9169 AND 9170 ARE THE MOST LIKELY TO PRODUCE AN ISOLATED M-CLASS EVENT. HOWEVER, NEW REGION 9176 NEAR THE EAST LIMB MAY ALSO BE CAPABLE OF M-CLASS ACTIVITY. IIA. GEOPHYSICAL ACTIVITY SUMMARY 26/2100Z TO 27/2100Z: THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. THE AFFECTS ASSOCIATED WITH THE HIGH-SPEED CORONAL HOLE STREAM APPEAR TO BE SLOWLY DIMINISHING. THE SOLAR WIND SPEED, NEAR 600 KM/S YESTERDAY, IS SLOWLY DECREASING AND IS CURRENTLY AVERAGING 500 - 550 KM/S. THE GREATER THAN 2 MEV ELECTRONS AT GEOSYNCHRONOUS ORBIT WERE AT HIGH LEVELS.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS EXPECTED TO BE MOSTLY QUIET TO UNSETTLED WITH A CHANCE OF ISOLATED ACTIVE PERIODS POSSIBLE ON THE FIRST DAY.
III. Chans för solutbrott från 28 SEP till 30 SEP
M-klass50%50%50%
X-klass10%10%10%
Proton05%05%05%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observerad       27 SEP 205
  Prognoserat   28 SEP-30 SEP  205/200/195
  90 Day Mean        27 SEP 181
V. Geomagnetiskt A-index
OBSERVED AFR/AP 26 SEP  017/021
ESTIMATED AFR/AP 27 SEP  012/013
PREDICTED AFR/AP 28 SEP-30 SEP  012/012-010/010-010/010
VI. Chanser för geomagnetisk aktivitet från 28 SEP till 30 SEP
A. Medelhöga breddgrader
Aktivt25%20%20%
Små stormförhållanden15%10%10%
Svåra stormförhållanden01%01%01%
B. Höga breddgrader
Aktivt35%25%25%
Små stormförhållanden20%10%10%
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!

54%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Rymdvädersfakta

Senaste X-utbrottet2024/03/28X1.1
Senaste M-utbrottet2024/04/27M3.0
Senaste geomagnetiska stormen2024/04/26Kp5+ (G1)
Fläckfria dagar
Senaste dag utan solfläckar2022/06/08
Månadsvis faktiskt antal solfläckar
mars 2024104.9 -19.8
Last 30 days138.1 +30.7

I dag i historien*

Solutbrott
11998X1.54
22006X1.13
32024M3.0
42003M2.46
52024M2.1
ApG
11956172G4
2195554G4
3193761G3
4196031G3
5199530G2
*sedan 1994

Sociala medier