Viewing archive of Sunday, 1 June 1997
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 1997 Jun 01 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 152 Issued at 2200Z on 01 JUN 1997IA. Analysis of Solar Active Regions and Activity from 31-2100Z to 01-2100Z
SOLAR ACTIVITY WAS VERY LOW. REGION 8048 (S29E28)
PRODUCED TWO B1 X-RAY EVENTS, AS WELL AS TWO UNRELATED SUBFLARES,
AND CONTINUES TO SHOW MARKED GROWTH AND STRONG AFS ACTIVITY. THE
REGION IS CURRENTLY A 'CRO' BETA GROUP WITH 10-15 SPOTS. REGION 8047
(N26E08), A 3 SPOT 'CRO' GROUP, REMAINS STABLE.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW, WITH A GOOD CHANCE FOR ISOLATED C-CLASS EVENTS FROM
REGION 8048.
IIA. Geophysical Activity Summary 31-2100Z to 01-2100Z
THE GEOMAGNETIC FIELD HAS BEEN MOSTLY QUIET WITH ISOLATED PERIODS OF
UNSETTLED CONDITIONS FOR THE PAST 24 HOURS.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET FOR THE NEXT 24 HOURS, WITH THE
CONTINUED CHANCE FOR ISOLATED PERIODS OF UNSETTLED CONDITIONS.
ACTIVITY IS EXPECTED TO INCREASE TO QUIET TO UNSETTLED WITH THE
CHANCE FOR ISOLATED PERIODS OF ACTIVE CONDITIONS ON DAY TWO, AND
ACTIVE WITH THE CHANCE FOR ISOLATED PERIODS OF MINOR STORMING ON DAY
THREE, IN RESPONSE TO THE LARGE (61 DEGREE) DSF OBSERVED IN THE
NORTHWEST QUADRANT ON 31 MAY.
III. Event Probabilities 02 JUN to 04 JUN
| Class M | 10% | 10% | 10% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 01 JUN 077 Predicted 02 JUN-04 JUN 077/077/077 90 Day Mean 01 JUN 074
V. Geomagnetic A Indices
OBSERVED AFR/AP 31 MAY 009/009 ESTIMATED AFR/AP 01 JUN 007/005 PREDICTED AFR/AP 02 JUN-04 JUN 005/005-010/010-020/020
VI. Geomagnetic Activity Probabilities 02 JUN to 04 JUN
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 20% | 60% |
| Minor storm | 05% | 10% | 15% |
| Major-severe storm | 01% | 05% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 30% | 60% |
| Minor storm | 10% | 10% | 20% |
| Major-severe storm | 01% | 05% | 10% |
All times in UTC
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