Viewing archive of Sunday, 8 May 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 May 08 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 128 Issued at 2200Z on 08 May 2022IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C8 event observed at
08/1938Z from Region 3007 (S23E64). There are currently 5 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with
a chance for M-class flares on days one, two, and three (09 May, 10 May,
11 May).
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 367 km/s at 08/1131Z. Total IMF reached 8 nT at
08/0855Z. The maximum southward component of Bz reached -4 nT at
08/2034Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 1097 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on day one (09 May) and quiet to unsettled levels
on days two and three (10 May, 11 May).
III. Event Probabilities 09 May to 11 May
| Class M | 30% | 30% | 30% |
| Class X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 08 May 119 Predicted 09 May-11 May 118/116/118 90 Day Mean 08 May 118
V. Geomagnetic A Indices
Observed Afr/Ap 07 May 004/003 Estimated Afr/Ap 08 May 006/006 Predicted Afr/Ap 09 May-11 May 005/005-008/008-008/008
VI. Geomagnetic Activity Probabilities 09 May to 11 May
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 25% | 25% |
| Minor storm | 01% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 25% | 25% |
| Major-severe storm | 10% | 30% | 30% |
All times in UTC
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