Viewing archive of Sunday, 4 June 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 Jun 04 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 156 Issued at 2200Z on 04 JUN 2000IA. Analysis of Solar Active Regions and Activity from 03-2100Z to 04-2100Z SOLAR ACTIVITY WAS LOW. REGION 9026(N20E36) WAS BY FAR THE MOST
ACTIVE REGION ON THE DISK. IT HAS AN AREA OF 870 MILLIONTHS AND A
FKI BETA-GAMMA-DELTA CONFIGURATION.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE
MODERATE TO HIGH. M AND POSSIBLY X-CLASS EVENTS CAN BE EXPECTED FROM
REGION 9026.
IIA. Geophysical Activity Summary 03-2100Z to 04-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. A SUDDEN IMPULSE OF 5
NT WAS OBSERVED AT 04/1500UT.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO ACTIVE.
III. Event Probabilities 05 JUN to 07 JUN
| Class M | 70% | 70% | 70% |
| Class X | 10% | 10% | 10% |
| Proton | 10% | 10% | 10% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 04 JUN 170 Predicted 05 JUN-07 JUN 170/175/180 90 Day Mean 04 JUN 190
V. Geomagnetic A Indices
OBSERVED AFR/AP 03 JUN 009/012 ESTIMATED AFR/AP 04 JUN 010/010 PREDICTED AFR/AP 05 JUN-07 JUN 010/010-010/010-010/008
VI. Geomagnetic Activity Probabilities 05 JUN to 07 JUN
| 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% |
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