Viewing archive of Thursday, 15 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 15 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 167 Issued at 2200Z on 15 JUN 2000IA. Analysis of Solar Active Regions and Activity from 14-2100Z to 15-2100Z SOLAR ACTIVITY WAS MODERATE. THE LARGEST FLARE OF THE
PERIOD WAS FROM REGION 9041 (N19W65). IT PRODUCED AN M1/2N AT
15/1957Z WITH AN ASSOCIATED 290 SFU TENFLARE. A WEAK TYPE II RADIO
SWEEP WAS OBSERVED AT 15/1519Z AND WAS LIKELY FROM A SUBFAINT FLARE
AND CME FROM REGION 9042 (N20E43). NEW REGION 9047 (S32E30) WAS
NUMBERED TODAY.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. SEVERAL REGIONS ARE CAPABLE OF PRODUCING M-CLASS FLARES
WITH A CHANCE FOR AN ISOLATED X-CLASS FLARE.
IIA. Geophysical Activity Summary 14-2100Z to 15-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO MAJOR STORM LEVELS. THESE STORMING
CONDITIONS ARE POSSIBLY THE RESULT OF A WELL POSITIONED POSITIVE
CORONAL HOLE.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED. ISOLATED ACTIVE CONDITIONS ARE
POSSIBLE THE FIRST DAY OF THE FORECAST AS THE CORONAL HOLE ROTATES
OUT OF POSITION THROUGH THE DAY.
III. Event Probabilities 16 JUN to 18 JUN
| Class M | 50% | 50% | 50% |
| Class X | 10% | 10% | 10% |
| Proton | 10% | 10% | 10% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 15 JUN 202 Predicted 16 JUN-18 JUN 200/195/190 90 Day Mean 15 JUN 188
V. Geomagnetic A Indices
OBSERVED AFR/AP 14 JUN 027/023 ESTIMATED AFR/AP 15 JUN 015/020 PREDICTED AFR/AP 16 JUN-18 JUN 010/012-008/010-008/010
VI. Geomagnetic Activity Probabilities 16 JUN to 18 JUN
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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