Viewing archive of Tuesday, 28 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 28 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 088 Issued at 2200Z on 28 MAR 2000IA. Analysis of Solar Active Regions and Activity from 27-2100Z to 28-2100Z SOLAR ACTIVITY WAS MODERATE. REGION 8926 (S10W84)
PRODUCED AN M3/SF X-RAY EVENT AT 28/0137Z. SEVERAL OTHER MINOR
C-CLASS EVENTS OCCURRED FROM REGION 8926 AND 8924 (N10W01). WHILE
REGION 8926 NEARS THE WEST LIMB, REGIONS 8921 (S17W30), 8924, AND
8933 (N16E20) ALL DISPLAYED SLIGHT GROWTH DURING THE PERIOD. NO NEW
REGIONS WERE NUMBERED.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE WITH A CHANCE OF ISOLATED M-CLASS ACTIVITY.
IIA. Geophysical Activity Summary 27-2100Z to 28-2100Z
THE GEOMAGNETIC FIELD WAS QUIET.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED.
III. Event Probabilities 29 MAR to 31 MAR
| Class M | 35% | 30% | 30% |
| Class X | 10% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 28 MAR 201 Predicted 29 MAR-31 MAR 195/190/190 90 Day Mean 28 MAR 177
V. Geomagnetic A Indices
OBSERVED AFR/AP 27 MAR 003/005 ESTIMATED AFR/AP 28 MAR 005/005 PREDICTED AFR/AP 29 MAR-31 MAR 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 29 MAR to 31 MAR
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 20% | 20% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 30% | 25% | 25% |
| Minor storm | 10% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
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