Viewing archive of Sunday, 29 May 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 May 29 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 149 Issued at 2200Z on 29 May 2022IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 29-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 3 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
with a chance for a C-class flares on days one, two, and three (30 May,
31 May, 01 Jun).
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 559 km/s at 29/1931Z. Total IMF reached 8
nT at 29/0937Z. The maximum southward component of Bz reached -7 nT at
29/0805Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 888 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on day one (30 May) and quiet levels
on days two and three (31 May, 01 Jun).
III. Event Probabilities 30 May to 01 Jun
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 29 May 098 Predicted 30 May-01 Jun 100/100/100 90 Day Mean 29 May 128
V. Geomagnetic A Indices
Observed Afr/Ap 28 May 019/028 Estimated Afr/Ap 29 May 014/015 Predicted Afr/Ap 30 May-01 Jun 009/010-007/008-006/005
VI. Geomagnetic Activity Probabilities 30 May to 01 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 20% | 15% |
| Minor storm | 25% | 20% | 15% |
| Major-severe storm | 20% | 10% | 10% |
All times in UTC
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