Viewing archive of Thursday, 30 July 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 211 Issued at 2200Z on 30 JUL 1998IA. Analysis of Solar Active Regions and Activity from 29-2100Z to 30-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 29-2100Z to 30-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 31 JUL to 02 AUG
| Class M | 15% | 15% | 15% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 30 JUL 115 Predicted 31 JUL-02 AUG 112/110/108 90 Day Mean 30 JUL 110
V. Geomagnetic A Indices
OBSERVED AFR/AP 29 JUL 008/006 ESTIMATED AFR/AP 30 JUL 006/010 PREDICTED AFR/AP 31 JUL-02 AUG 010/010-010/010-005/010
VI. Geomagnetic Activity Probabilities 31 JUL to 02 AUG
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Oulu, Rovaniemi, Sodankylä, UtsjokiKirkenes, Tromsø
Murmansk, Norilsk, Vorkuta
Kiruna, Luleå
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
KuopioTrondheim
Arkhangelsk
Sundsvall, Umeå
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
TamperePetrozavodsk, Surgut, Syktyvkar
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