Viewing archive of fredag, 16 maj 2003

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 2003 May 16 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 136 publicerat klockan 2200Z på 16 May 2003

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

Solar activity has been very low. No new regions were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be very low, with possible increase in activity over the next few days due to returning regions emerging from the east limb.
IIA. Sammanfattning av geofysisk aktivitet 15-2100Z till 16-2100Z
The geomagnetic field has been at unsettled to active levels. Solar wind velocity continues to decrease as the previous coronal hole rotates across the west limb. The greater than 2 MeV electron flux at geosynchronous orbit reached high levels today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is expected to be at unsettled levels for the next two days, with active conditions possible on day three of the period due to a coronal hole passing into geoeffective position.
III. Chans för solutbrott från 17 May till 19 May
M-klass05%10%10%
X-klass01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observerad       16 May 103
  Prognoserat   17 May-19 May  110/115/120
  90 Day Mean        16 May 124
V. Geomagnetiskt A-index
  Observerad Afr/Ap 15 May  019/023
  Förväntat     Afr/Ap 16 May  010/012
  Prognoserat    Afr/Ap 17 May-19 May  010/012-010/012-015/020
VI. Chanser för geomagnetisk aktivitet från 17 May till 19 May
A. Medelhöga breddgrader
Aktivt20%20%30%
Små stormförhållanden10%10%15%
Svåra stormförhållanden01%01%05%
B. Höga breddgrader
Aktivt35%35%35%
Små stormförhållanden15%15%20%
Svåra stormförhållanden05%05%05%
VII. Comments The GOES 10 energetic proton detectors are showing intermittent, high noise levels in the higher energy proton channels (greater than about 80 MeV). This problem was first noticed in data taken April 26, 2003. To ensure continued operational monitoring of important energetic particle data, it is necessary to reassign primary/secondary designations for the GOES Space Environment Monitor (SEM) detectors. As of 1500 UT on May 15, GOES-8 became the primary satellite for protons. GOES 12 will be the primary satellite for magnetometer, X-ray, and electron measurements. GOES 10 will be the secondary satellite for all SEM sensors - magnetometer, X-ray sensor, and energetic particle sensor. This short-term solution (approximately 2 - 3 months) will be in place until we define and implement a permanent fix. A more detailed explanation can be found at: http://www.sec.noaa.gov/GOES.html.

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