Viewing archive of fredag, 2 juli 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 Jul 02 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 183 publicerat klockan 2200Z på 02 JUL 1999

IA. Analys av solfläcksgrupper och solaktivitet från 01-2100Z till 02-2100Z

SOLAR ACTIVITY RETURNED TO MODERATE LEVELS. REGION 8598 (N23W80) CONTINUED TO SLOWLY DECAY AS IT NEARED THE WEST LIMB, BUT WAS ABLE TO PRODUCE AN IMPULSIVE M1/1F FLARE AT 01/2143Z ASSOCIATED WITH MINOR RADIO EMISSION. REGION 8603 (S14W37) DISPLAYED LITTLE CHANGE AND REMAINED MODERATE IN SIZE AND MAGNETIC COMPLEXITY. IT PRODUCED AN M1/1N FLARE AT 01/2331Z AND A FEW SUBFLARES, NONE OF WHICH WERE ASSOCIATED WITH SIGNIFICANT RADIO EMISSION. REGION 8611 (S25W06) RETAINED MODERATE MAGNETIC COMPLEXITY AND WAS THE LARGEST (APPROX. AREA 400 MILLIONTHS) AND MOST ACTIVE OF THE VISIBLE REGIONS. IT PRODUCED TWO M-CLASS FLARES: AN M2/1B AT 02/0138Z AND AN M1/SF 02/1520Z, BOTH OF WHICH WERE ACCOMPANIED BY MINOR RADIO EMISSION. NEW REGIONS 8616 (N30W73) AND 8617 (N14W28) WERE NUMBERED.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO REMAIN MODERATE WITH A GOOD CHANCE FOR ISOLATED, LOW-LEVEL M-CLASS FLARES.
IIA. Sammanfattning av geofysisk aktivitet 01-2100Z till 02-2100Z
GEOMAGNETIC FIELD ACTIVITY RANGED FROM QUIET TO MINOR STORM LEVELS. THE ACE SPACECRAFT DETECTED AN INTERPLANETARY SHOCK PASSAGE AT L1 AT 02/0024Z FOLLOWED BY A SUDDEN IMPULSE AT EARTH AT 02/0101Z (48 NT, AS MEASURED BY THE BOULDER USGS MAGNETOMETER). UNSETTLED TO ACTIVE LEVELS OCCURRED DURING THE REMAINDER OF THE PERIOD WITH A BRIEF INCREASE TO MINOR STORM LEVELS DURING THE 02/1500-1800Z INTERVAL. THE SOURCE OF THIS ACTIVITY WAS LIKELY A HALO-CME OBSERVED ON 30 JUNE.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS EXPECTED TO BE AT QUIET TO ACTIVE LEVELS DURING THE FIRST DAY, THEN DECREASE TO QUIET TO UNSETTLED LEVELS FOR THE BALANCE OF THE PERIOD.
III. Chans för solutbrott från 03 JUL till 05 JUL
M-klass60%60%60%
X-klass10%10%10%
Proton10%10%10%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observerad       02 JUL 187
  Prognoserat   03 JUL-05 JUL  180/175/165
  90 Day Mean        02 JUL 148
V. Geomagnetiskt A-index
OBSERVED AFR/AP 01 JUL  006/009
ESTIMATED AFR/AP 02 JUL  022/024
PREDICTED AFR/AP 03 JUL-05 JUL  012/015-008/012-008/012
VI. Chanser för geomagnetisk aktivitet från 03 JUL till 05 JUL
A. Medelhöga breddgrader
Aktivt20%15%15%
Små stormförhållanden10%05%05%
Svåra stormförhållanden01%01%01%
B. Höga breddgrader
Aktivt25%20%20%
Små stormförhållanden15%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!

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