Viewing archive of Monday, 29 May 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 May 29 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 150 Issued at 2200Z on 29 MAY 2000IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 29-2100Z SOLAR ACTIVITY WAS VERY LOW. ONLY A FEW FLARES OCCURRED
AND ALL WERE BELOW C-LEVEL. REGION 9017 (S13E16) REMAINS THE MOST
COMPLEX SUNSPOT GROUP ON THE VISIBLE DISK. REGIONS 9023 (S03W12) AND
9024 (S14E55) WERE NUMBERED.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. REGION 9017 IS THE MOST LIKELY SOURCE OF FLARE
ACTIVITY.
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
THE GEOMAGNETIC FIELD RANGED FROM QUIET TO MINOR STORM LEVELS. THE
GREATER THAN 2 MEV ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT WAS
MODERATE.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE UNSETTLED TO ACTIVE DUE TO CORONAL HOLE RELATED
ACTIVITY.
III. Event Probabilities 30 MAY to 01 JUN
| Class M | 30% | 30% | 30% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 29 MAY 149 Predicted 30 MAY-01 JUN 145/145/145 90 Day Mean 29 MAY 193
V. Geomagnetic A Indices
OBSERVED AFR/AP 28 MAY 010/012 ESTIMATED AFR/AP 29 MAY 015/020 PREDICTED AFR/AP 30 MAY-01 JUN 020/018-015/015-015/012
VI. Geomagnetic Activity Probabilities 30 MAY to 01 JUN
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 20% | 15% |
| Minor storm | 10% | 10% | 05% |
| Major-severe storm | 05% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 35% | 20% | 15% |
| Minor storm | 15% | 10% | 05% |
| Major-severe storm | 05% | 05% | 01% |
All times in UTC
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