Viewing archive of Sunday, 12 April 1998
Solar activity report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 102 Issued at 2200Z on 12 APR 1998IA. Analysis of Solar Active Regions and Activity from 11-2100Z to 12-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 11-2100Z to 12-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 13 APR to 15 APR
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 12 APR 117 Predicted 13 APR-15 APR 115/113/112 90 Day Mean 12 APR 103
V. Geomagnetic A Indices
OBSERVED AFR/AP 11 APR 008/012 ESTIMATED AFR/AP 12 APR 009/013 PREDICTED AFR/AP 13 APR-15 APR 010/010-010/008-010/008
VI. Geomagnetic Activity Probabilities 13 APR to 15 APR
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Iqaluit, NUNuuk
Tórshavn
Oulu, Rovaniemi, Sodankylä, Utsjoki
Reykjavik
Tromsø, Trondheim
Kiruna, Luleå, Umeå
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