Viewing archive of Sunday, 16 February 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Feb 16 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 47 Issued at 2200Z on 16 Feb 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 Feb, 18 Feb, 19 Feb).
IIA. Geophysical Activity Summary 15-2100Z to 16-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 394 km/s at 15/2334Z. Total IMF reached 5 nT at
15/2213Z. The maximum southward component of Bz reached -3 nT at
16/1629Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 369 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days one, two, and three (17 Feb,
18 Feb, 19 Feb).
III. Event Probabilities 17 Feb to 19 Feb
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 16 Feb 071 Predicted 17 Feb-19 Feb 071/071/071 90 Day Mean 16 Feb 071
V. Geomagnetic A Indices
Observed Afr/Ap 15 Feb 004/004 Estimated Afr/Ap 16 Feb 004/004 Predicted Afr/Ap 17 Feb-19 Feb 008/010-007/008-007/010
VI. Geomagnetic Activity Probabilities 17 Feb to 19 Feb
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 15% | 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 | 30% | 25% | 30% |
All times in UTC
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