Viewing archive of Sunday, 15 March 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Mar 15 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 75 Issued at 2200Z on 15 Mar 2020IA. Analysis of Solar Active Regions and Activity from 14-2100Z to 15-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
on days one, two, and three (16 Mar, 17 Mar, 18 Mar).
IIA. Geophysical Activity Summary 14-2100Z to 15-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 387 km/s at 15/1721Z. Total IMF reached 6 nT at
15/1627Z. The maximum southward component of Bz reached -4 nT at
15/1719Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 156 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (16 Mar, 17 Mar, 18
Mar).
III. Event Probabilities 16 Mar to 18 Mar
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 15 Mar 070 Predicted 16 Mar-18 Mar 070/070/070 90 Day Mean 15 Mar 071
V. Geomagnetic A Indices
Observed Afr/Ap 14 Mar 002/002 Estimated Afr/Ap 15 Mar 004/004 Predicted Afr/Ap 16 Mar-18 Mar 005/005-005/005-006/005
VI. Geomagnetic Activity Probabilities 16 Mar to 18 Mar
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 20% |
| Major-severe storm | 15% | 15% | 15% |
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