Viewing archive of Wednesday, 16 February 2000
Solar activity report
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Report of Solar-Geophysical Activity 2000 Feb 16 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 047 Issued at 2200Z on 16 FEB 2000IA. Analysis of Solar Active Regions and Activity from 15-2100Z to 16-2100Z SOLAR ACTIVITY WAS LOW. ONLY INFREQUENT C-CLASS EVENTS
OCCURRED DURING THE PERIOD WITH THE LARGEST EVENT BEING A C2/SF FROM
REGION 8867 AT 16/2023UT.THE DISK HAS ELEVEN SPOTTED REGIONS,
INCLUDING TWO NEW GROUPS: REGION 8877 (S26E28) AND REGION 8878
(S27W42). ALL REGIONS ARE MAGNETICALLY SIMPLE.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO CONTINUE
TO BE LOW.
IIA. Geophysical Activity Summary 15-2100Z to 16-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED.
III. Event Probabilities 17 FEB to 19 FEB
| Class M | 10% | 10% | 10% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 16 FEB 160 Predicted 17 FEB-19 FEB 160/155/150 90 Day Mean 16 FEB 167
V. Geomagnetic A Indices
OBSERVED AFR/AP 15 FEB 011/011 ESTIMATED AFR/AP 16 FEB 008/008 PREDICTED AFR/AP 17 FEB-19 FEB 008/008-008/008-008/008
VI. Geomagnetic Activity Probabilities 17 FEB to 19 FEB
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 30% | 30% | 30% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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