Viewing archive of Wednesday, 10 July 1996
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 1996 Jul 10 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 192 Issued at 2200Z on 10 JUL 1996IA. Analysis of Solar Active Regions and Activity from 09-2100Z to 10-2100Z SOLAR ACTIVITY WAS MODERATE. REGION 7978 (S11W50)
PRODUCED AN M1/SF FLARE AT 10/0343Z. THIS REGION ALSO PRODUCED
NUMEROUS SMALL TO MID LEVEL C-CLASS FLARES. SLIGHT DECAY WAS
OBSERVED IN THIS REGION AND THE DELTA MAGNETIC CONFIGURATION
BECAME LESS OBVIOUS. AREAS OF MIXED POLARITIES AND TIGHT
GRADIENTS REMAINED.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS FORECAST TO BE
LOW TO OCCASIONALLY MODERATE. THE FREQUENCY OF BOTH C AND
M-CLASS FLARES SHOULD DECREASE AS THE REGION CONTINUES TO
SLOWLY DECAY. THE POSSIBILITY OF AN ISOLATED X-CLASS FLARE
FROM THIS REGION REMAINS, BUT IS LOW.
IIA. Geophysical Activity Summary 09-2100Z to 10-2100Z
THE GEOMAGNETIC FIELD HAS QUIET.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD
SHOULD BE QUIET TO SLIGHTLY UNSETTLED UNTIL NEAR MIDDAY ON
11 JUL WHEN ACTIVE TO MINOR STORM LEVELS ARE FORECAST TO
BEGIN. THIS FORECAST IS BASED UPON THE X2 FLARE AND
SUSPECTED CORONAL MASS EJECTION AT 09/0911Z. PERIODS OF
MAJOR STORMING ARE POSSIBLE AT HIGH LATITUDES LATE ON 11
JUL AND ON 12 JUL. UNSETTLED TO SLIGHTLY ACTIVE CONDITIONS
ARE FORECAST FOR 13 JUL AS THE DISTURBANCE SUBSIDES.
III. Event Probabilities 11 JUL to 13 JUL
| Class M | 40% | 30% | 20% |
| Class X | 10% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 10 JUL 080 Predicted 11 JUL-13 JUL 079/078/077 90 Day Mean 10 JUL 070
V. Geomagnetic A Indices
OBSERVED AFR/AP 09 JUL 005/004 ESTIMATED AFR/AP 10 JUL 003/005 PREDICTED AFR/AP 11 JUL-13 JUL 020/020-025/025-012/018
VI. Geomagnetic Activity Probabilities 11 JUL to 13 JUL
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 35% | 40% | 30% |
| Minor storm | 20% | 20% | 15% |
| Major-severe storm | 10% | 10% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 40% | 40% | 30% |
| Minor storm | 20% | 20% | 15% |
| Major-severe storm | 10% | 10% | 05% |
All times in UTC
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