Viewing archive of Thursday, 6 July 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 Jul 06 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 188 Issued at 2200Z on 06 JUL 2000IA. Analysis of Solar Active Regions and Activity from 05-2100Z to 06-2100Z SOLAR ACTIVITY WAS LOW. ISOLATED C-CLASS EVENTS, AMONG
THEM A C4/SF FROM REGION 9070 (N18E15) WITH ASSOCIATED TYPE II SWEEP
AT 1236Z, OCCURRED. ANOTHER C4, WITH NO OPTICAL ASSOCIATION, WAS
DETECTED AT 2045Z. TWO NEW REGIONS, 9075 (N06E64) AND 9076 (S24E69)
WERE NUMBERED. REGIONS 9068 (S18W03) AND 9070 WERE THE MOST
IMPRESSIVE OF THE 13 REGIONS VISIBLE.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO PERSIST
AT LOW LEVELS FOR THE NEXT 72 HOURS.
IIA. Geophysical Activity Summary 05-2100Z to 06-2100Z
THE GEOMAGNETIC FIELD HAS BEEN QUIET.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE AT UNSETTLED TO ACTIVE LEVELS FOR THE NEXT 24 HOURS.
HIGH-SPEED SOLAR WIND, EMANATING FROM AN ELONGATED N-S CORONAL HOLE,
SHOULD BEGIN TO IMPACT THE MAGNETOSPHERE JULY 7. THAT SHORT-LIVED
DISTURBANCE SHOULD SUBSIDE BY THE END OF THE INTERVAL.
III. Event Probabilities 07 JUL to 09 JUL
| Class M | 10% | 10% | 10% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 06 JUL 174 Predicted 07 JUL-09 JUL 180/185/190 90 Day Mean 06 JUL 180
V. Geomagnetic A Indices
OBSERVED AFR/AP 05 JUL 006/013 ESTIMATED AFR/AP 06 JUL 007/010 PREDICTED AFR/AP 07 JUL-09 JUL 015/015-010/010-010/012
VI. Geomagnetic Activity Probabilities 07 JUL to 09 JUL
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 15% |
| Minor storm | 05% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 30% | 30% | 25% |
| Minor storm | 10% | 10% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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