Viewing archive of Thursday, 30 March 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 Mar 30 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 090 Issued at 2200Z on 30 MAR 2000IA. Analysis of Solar Active Regions and Activity from 29-2100Z to 30-2100Z SOLAR ACTIVITY WAS MODERATE. REGION 8936 (S16E58)
PRODUCED AN IMPULSIVE M3/1N EVENT AT 30/1607Z. THE TOTAL DURATION
OF THE M3 EVENT WAS ONLY 14 MINUTES. REGION 8936 ALSO PRODUCED AN
M1/SF EVENT EARLIER AT 30/1245Z. AN OPTICALLY UNCORRELATED M1 X-RAY
EVENT OCCURRED AT 30/0714Z. SEVERAL OTHER MINOR C-CLASS EVENTS
OCCURRED DURING THE PERIOD FROM REGION 8936 AND 8925 (S18W20).
REGION 8924 (N10W28) AND 8925 EACH BECAME MORE MAGNETICALLY COMPLEX
WITH A BETA-GAMMA MAGNETIC CONFIGURATION. FURTHER GROWTH WAS
OBSERVED IN REGION 8936. FOUR NEW REGIONS, 8938 (S07E56), 8939
(N22E72), 8940 (N13E65), AND 8941 (N25E54) WERE NUMBERED TODAY.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE
MODERATE.
IIA. Geophysical Activity Summary 29-2100Z to 30-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED WITH THE POSSIBILITY OF ISOLATED
ACTIVE CONDITIONS.
III. Event Probabilities 31 MAR to 02 APR
| Class M | 60% | 60% | 60% |
| Class X | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 30 MAR 206 Predicted 31 MAR-02 APR 205/200/195 90 Day Mean 30 MAR 180
V. Geomagnetic A Indices
OBSERVED AFR/AP 29 MAR 009/009 ESTIMATED AFR/AP 30 MAR 008/008 PREDICTED AFR/AP 31 MAR-02 APR 008/008-008/008-008/008
VI. Geomagnetic Activity Probabilities 31 MAR to 02 APR
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 25% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 30% | 30% | 30% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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