Viewing archive of Saturday, 8 March 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 Mar 08 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 067 Issued at 2200Z on 08 MAR 1997IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z
SOLAR ACTIVITY WAS VERY LOW. REGION 8020 (N06E48) WAS
VERY QUIET AND STABLE. A NEW REGION 8021 (S30E42) EMERGED ON THE
DISK TODAY AS A SIMPLE AXX TYPE SUNSPOT GROUP. A REMARKABLE FEATURE
WAS VISIBLE ON THE SOHO EUV HEII IMAGE AT 1014Z TODAY. THE FEATURE
WAS VISIBLE OVER THE NORTHEAST LIMB, WAS ABOUT 0.2 SOLAR RADII
IN LENGTH, AND HAS THE APPEARANCE OF A PROMINENCE ERUPTION.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
THE GEOMAGNETIC FIELD WAS QUIET AT MID-LATITUDES AND WAS QUIET TO
UNSETTLED AT HIGH LATITUDES.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE PREDOMINANTLY UNSETTLED FOR THE NEXT TWO DAYS. AN
INCREASE TO UNSETTLED TO ACTIVE LEVELS IS EXPECTED ON THE THIRD DAY
IN RESPONSE TO A FAVORABLY POSITIONED CORONAL HOLE.
III. Event Probabilities 09 MAR to 11 MAR
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 08 MAR 075 Predicted 09 MAR-11 MAR 075/075/075 90 Day Mean 08 MAR 075
V. Geomagnetic A Indices
OBSERVED AFR/AP 07 MAR 009/008 ESTIMATED AFR/AP 08 MAR 005/005 PREDICTED AFR/AP 09 MAR-11 MAR 010/010-010/010-015/015
VI. Geomagnetic Activity Probabilities 09 MAR to 11 MAR
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 25% |
| Minor storm | 05% | 10% | 15% |
| Major-severe storm | 01% | 01% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 30% |
| Minor storm | 05% | 10% | 15% |
| Major-severe storm | 01% | 01% | 05% |
All times in UTC
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