Viewing archive of Wednesday, 15 June 2022

Solar activity report

Report of Solar-Geophysical Activity 2022 Jun 15 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 166 Issued at 2200Z on 15 Jun 2022

IA. Analysis of Solar Active Regions and Activity from 14-2100Z to 15-2100Z

Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C3 event observed at 15/0440Z from Region 3036 (S12W69). There are currently 8 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with a chance for M-class flares and a slight chance for an X-class flare on days one and two (16 Jun, 17 Jun) and likely to be low with a slight chance for an M-class flare on day three (18 Jun).
IIA. Geophysical Activity Summary 14-2100Z to 15-2100Z
The geomagnetic field has been at quiet to minor storm levels for the past 24 hours. Solar wind speed reached a peak of 624 km/s at 15/0556Z. Total IMF reached 15 nT at 15/0443Z. The maximum southward component of Bz reached -13 nT at 15/0443Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 240 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to active levels on day one (16 Jun) and quiet to unsettled levels on days two and three (17 Jun, 18 Jun). Protons have a slight chance of crossing threshold on days one, two, and three (16 Jun, 17 Jun, 18 Jun).
III. Event Probabilities 16 Jun to 18 Jun
Class M25%25%20%
Class X10%10%05%
Proton10%10%10%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       15 Jun 140
  Predicted   16 Jun-18 Jun 140/138/138
  90 Day Mean        15 Jun 127

V. Geomagnetic A Indices
  Observed Afr/Ap 14 Jun  010/008
  Estimated     Afr/Ap 15 Jun  015/022
  Predicted    Afr/Ap 16 Jun-18 Jun  011/014-008/008-007/008

VI. Geomagnetic Activity Probabilities 16 Jun to 18 Jun
A. Middle Latitudes
Active30%20%20%
Minor storm15%05%05%
Major-severe storm05%01%01%
B. High Latitudes
Active10%15%15%
Minor storm25%30%25%
Major-severe storm50%30%25%

All times in UTC

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