Viewing archive of Saturday, 1 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 01 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 183 Issued at 2200Z on 01 JUL 2000IA. Analysis of Solar Active Regions and Activity from 30-2100Z to 01-2100Z SOLAR ACTIVITY WAS LOW. THE LARGEST FLARE OF THE PAST
DAY WAS A C6/SF AT 01/1241 UTC IN REGION 9054 (N13W81). THIS SUNSPOT
GROUP CONTINUES TO DECAY AS IT APPROACHES THE WEST LIMB. REGION 9062
(S16W04) IS THE LARGEST GROUP ON THE VISIBLE DISK BUT IS NOT
PARTICULARLY COMPLEX AND HAS NOT PRODUCED SIGNIFICANT ACTIVITY. NEW
REGIONS 9068 (S19E63) AND 9069 (S13E70) ROTATED INTO VIEW.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE LOW.
ADDITIONAL C-CLASS FLARES ARE POSSIBLE FROM REGION 9054 BEFORE IT
EXITS THE VISIBLE DISK. THERE IS A SMALL CHANCE OF LOW-LEVEL M-CLASS
ACTIVITY.
IIA. Geophysical Activity Summary 30-2100Z to 01-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED.
III. Event Probabilities 02 JUL to 04 JUL
| Class M | 10% | 10% | 10% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 01 JUL 164 Predicted 02 JUL-04 JUL 170/175/180 90 Day Mean 01 JUL 182
V. Geomagnetic A Indices
OBSERVED AFR/AP 30 JUN 003/007 ESTIMATED AFR/AP 01 JUL 010/010 PREDICTED AFR/AP 02 JUL-04 JUL 010/010-010/010-010/008
VI. Geomagnetic Activity Probabilities 02 JUL to 04 JUL
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
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