Viewing archive of Thursday, 1 August 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 Aug 01 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 214 Issued at 2200Z on 01 AUG 1996IA. Analysis of Solar Active Regions and Activity from 31-2100Z to 01-2100Z SOLAR ACTIVITY REMAINED VERY LOW. REGION 7981
(S09E10) CONTINUED TO PRODUCE MINOR B-CLASS SUBFLARES. X-RAY
IMAGES AFTER 01/1400Z SHOW A LARGE LOOP HAD FORMED IN THIS
REGION WITH HIGH INCLINATION TOWARD THE SOUTH POLE. OVERALL,
REGION 7981 IS IN SLOW DECAY. THE DARK EUV CORONAL HOLE LIKE
FEATURE MENTIONED ON 31 JUL WAS AN ARTIFACT.
IB. Solar Activity Forecast
SOLAR ACTIVITY SHOULD CONTINUE
AT A VERY LOW LEVEL. AN ISOLATED C-CLASS FLARE FROM REGION
7981 REMAINS A POSSIBILITY.
IIA. Geophysical Activity Summary 31-2100Z to 01-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. RECENT SOLAR
WIND DATA INDICATE A CORONAL HOLE STREAM IS IMPACTING THE
EARTH. ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT
BECAME HIGH NEAR 01/1615Z IN RESPONSE TO THIS HIGH SPEED
STREAM.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD
SHOULD BE PREDOMINANTLY QUIET TO UNSETTLED FOR 02-04 AUG.
ISOLATED ACTIVE CONDITIONS ARE POSSIBLE DURING 02-03 AUG.
ENERGETIC ELECTRON FLUXES SHOULD REMAIN HIGH FOR AT LEAST
02-04 AUG.
III. Event Probabilities 02 AUG to 04 AUG
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 01 AUG 080 Predicted 02 AUG-04 AUG 080/080/079 90 Day Mean 01 AUG 070
V. Geomagnetic A Indices
OBSERVED AFR/AP 31 JUL 019/014 ESTIMATED AFR/AP 01 AUG 012/015 PREDICTED AFR/AP 02 AUG-04 AUG 012/015-010/010-008/010
VI. Geomagnetic Activity Probabilities 02 AUG to 04 AUG
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 35% | 30% | 20% |
| Minor storm | 10% | 10% | 05% |
| Major-severe storm | 05% | 05% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 40% | 30% | 20% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 05% | 05% | 05% |
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