Viewing archive of Monday, 16 March 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Mar 16 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 76 Issued at 2200Z on 16 Mar 2020IA. Analysis of Solar Active Regions and Activity from 15-2100Z to 16-2100Z 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 (17 Mar, 18 Mar, 19 Mar).
IIA. Geophysical Activity Summary 15-2100Z to 16-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 374 km/s at 15/2118Z. Total IMF reached 7
nT at 16/1037Z. The maximum southward component of Bz reached -5 nT at
16/1713Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 137 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days one, two, and three (17 Mar,
18 Mar, 19 Mar).
III. Event Probabilities 17 Mar to 19 Mar
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 16 Mar 070 Predicted 17 Mar-19 Mar 070/069/069 90 Day Mean 16 Mar 071
V. Geomagnetic A Indices
Observed Afr/Ap 15 Mar 003/003 Estimated Afr/Ap 16 Mar 006/008 Predicted Afr/Ap 17 Mar-19 Mar 008/008-007/008-007/008
VI. Geomagnetic Activity Probabilities 17 Mar to 19 Mar
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 25% | 25% | 25% |
| Major-severe storm | 25% | 25% | 25% |
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