Viewing archive of Friday, 30 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 30 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 182 Issued at 2200Z on 30 JUN 2000IA. Analysis of Solar Active Regions and Activity from 29-2100Z to 30-2100Z SOLAR ACTIVITY WAS LOW. A SINGLE OPTICALLY UNCORRELATED
C1 X-RAY EVENT OCCURRED THIS PERIOD. REGION 9062 (S16E09) AT 440
MILLIONTHS OF WHITE LIGHT AREA, IS THE LARGEST REGION ON THE VISIBLE
DISK, BUT REMAINS QUITE STABLE. THREE NEW REGIONS WERE NUMBERED
TODAY - REGION 9065 (N22E62), 9066 (N12E62), AND 9067 (S20E60). THE
REMAINING REGIONS WERE GENERALLY STABLE OR IN DECAY.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO REMAIN
AT LOW LEVELS. THE MOST LIKELY SOURCE FOR ISOLATED LOW C-CLASS
ACTIVITY IS REGION 9062.
IIA. Geophysical Activity Summary 29-2100Z to 30-2100Z
THE GEOMAGNETIC FIELD WAS MOSTLY QUIET WITH ISOLATED UNSETTLED
PERIODS. THE GREATER THAN 2 MEV ELECTRON FLUX AT GEOSYNCHRONOUS
ORBIT WAS AT MODERATE TO HIGH LEVELS.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO CONTINUE AT QUIET TO UNSETTLED LEVELS.
III. Event Probabilities 01 JUL to 03 JUL
| Class M | 15% | 15% | 15% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 30 JUN 160 Predicted 01 JUL-03 JUL 165/170/180 90 Day Mean 30 JUN 182
V. Geomagnetic A Indices
OBSERVED AFR/AP 29 JUN 007/012 ESTIMATED AFR/AP 30 JUN 008/008 PREDICTED AFR/AP 01 JUL-03 JUL 010/010-012/012-010/010
VI. Geomagnetic Activity Probabilities 01 JUL to 03 JUL
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 25% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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