Viewing archive of Monday, 8 March 2021
Solar activity report
Report of Solar-Geophysical Activity 2021 Mar 08 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 67 Issued at 2200Z on 08 Mar 2021IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 1 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
on days one, two, and three (09 Mar, 10 Mar, 11 Mar).
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 543 km/s at 08/1403Z. Total IMF reached 6
nT at 08/0206Z. The maximum southward component of Bz reached -3 nT at
08/1143Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 1625 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days one and three (09 Mar, 11
Mar) and quiet levels on day two (10 Mar).
III. Event Probabilities 09 Mar to 11 Mar
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 08 Mar 080 Predicted 09 Mar-11 Mar 080/075/075 90 Day Mean 08 Mar 077
V. Geomagnetic A Indices
Observed Afr/Ap 07 Mar 007/007 Estimated Afr/Ap 08 Mar 005/006 Predicted Afr/Ap 09 Mar-11 Mar 007/008-005/005-007/008
VI. Geomagnetic Activity Probabilities 09 Mar to 11 Mar
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 01% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 25% | 20% | 25% |
| Major-severe storm | 20% | 20% | 20% |
All times in UTC
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