Viewing archive of Friday, 2 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 02 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 154 Issued at 2200Z on 02 JUN 2000IA. Analysis of Solar Active Regions and Activity from 01-2100Z to 02-2100Z SOLAR ACTIVITY WAS HIGH. REGION 9026 (N20E61) PRODUCED
AN M7/2B FLARE AT 1938Z. EARLIER, IT HAD AN M1/1F AT 0414Z, AND AN
M4/1N AT 0659Z. IN ADDITION, IT GENERATED OCCASIONAL C-CLASS EVENTS.
THE REGION CONSISTS OF A SUBSTANTIAL FIELD OF BRIGHT PLAGE, LARGE
SPOTS, AND A MODERATE DEGREE OF MAGNETIC COMPLEXITY. MIXED
POLARITIES MAY BE PRESENT IN THE LEADER PENUMBRA. ELSEWHERE, NEW
REGION 9028 (N08E12) EMERGED. THE REMAINING DISK REGIONS WERE
PREDOMINANTLY QUIET AND STABLE. TODAY'S 10.7 CM SOLAR FLUX WAS FLARE
ENHANCED AND ESTIMATED TO BE 155.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE
MODERATE TO HIGH, WITH M-CLASS FLARES ORIGINATING FROM REGION 9026.
IIA. Geophysical Activity Summary 01-2100Z to 02-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. THE GREATER THAN 2 MEV
ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT WAS HIGH.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO PERSIST AT QUIET TO UNSETTLED LEVELS FOR THE NEXT THREE
DAYS.
III. Event Probabilities 03 JUN to 05 JUN
| Class M | 70% | 70% | 70% |
| Class X | 10% | 10% | 10% |
| Proton | 10% | 10% | 10% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 02 JUN 155 Predicted 03 JUN-05 JUN 165/175/185 90 Day Mean 02 JUN 191
V. Geomagnetic A Indices
OBSERVED AFR/AP 01 JUN 009/012 ESTIMATED AFR/AP 02 JUN 008/010 PREDICTED AFR/AP 03 JUN-05 JUN 010/008-005/010-005/010
VI. Geomagnetic Activity Probabilities 03 JUN to 05 JUN
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 10% | 10% |
| Minor storm | 05% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 25% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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