Просмотр архива за суббота, 5 февраля 2000
Отчет о солнечной активности
Любая солнечная вспышка, упомянутая в этом расчете, имеет масштабирующий коэффициент, применяемый Центром прогнозирования космической погоды (SWPC). Из-за него солнечные вспышки здесь на 42% слабее, чем в научных данных. Из наших архивов этот коэффициент был удален, чтобы показать реальные величины вспышек.
Отчет о солнечно-геофизической активности 2000 Feb 05 2200 UTC
Подготовлено NOAA © SWPC и представлено SpaceWeatherLive.comСовместный отчет USAF/NOAA о солнечной и геофизической активности
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Количество SD 036 на уровне 2200Z 05 FEB 2000
IA. Анализ активных солнечных регионов и активности от 04 - 2100Z до 05 - 2100Z
SOLAR ACTIVITY BECAME HIGH. REGION 8858 (N25E53)
PRODUCED AN X1/3B MAJOR FLARE AT 05/1928Z. THIS FLARE HAD AN
ASSOCIATED TYPE II RADIO SWEEP WITH 500 KM/S SHOCK SPEED AND
MODERATE CENTIMETRIC BURSTS, INCLUDING A 350 SFU 10CM BURST. A
CORONAL MASS EJECTION WAS OBSERVED TO FOLLOW THESE EVENTS. THIS
REGION WAS PRODUCING FREQUENT C-CLASS X-RAY ACTIVITY PRIOR TO THE
MAJOR FLARE, THE LARGEST WAS A C7/SF AT 05/0830Z. THOUGH RELATIVELY
SMALL AT APPROXIMATELY 200 MILLIONTHS OF WHITE LIGHT AREA, THIS
REGION IS MAGNETICALLY COMPLEX WITH STRONG GRADIENTS AND IS STILL
DEVELOPING. NOT MUCH CHANGE OBSERVED IN REGION 8851'S (N25W35) SIZE
OR COMPLEXITY, BUT FREQUENT PLAGE FLUCTUATIONS AND OCCASIONAL SMALL
C-CLASS FLARES WERE NOTED. NEW REGION 8861 (N08W15) WAS NUMBERED
TODAY.
IB. Прогноз солнечной активности
SOLAR ACTIVITY IS EXPECTED TO BE
MODERATE. CONTINUED C-CLASS ACTIVITY IS LIKELY WITH AN ISOLATED M OR
SMALL X-CLASS EVENT POSSIBLE FROM REGION 8858. ANOTHER MAJOR FLARE
IS POSSIBLE IN THE NEXT 48 HOURS FROM THIS REGION IF FURTHER
DEVELOPMENT OCCURS. OCCASIONAL C-CLASS FLARES ARE ALSO LIKELY FROM
REGION 8851.
IIA. Обзор геофизической активности от 04 - 2100Z до 05 - 2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE WITH MINOR STORMING
OBSERVED AT HIGH LATITUDES LATE IN THE PERIOD. QUIET CONDITIONS
PREVAILED BEFORE 05/1449Z WHEN A SMALL BUT DISTINCT SHOCK WAS
OBSERVED AT L1, MARKING THE ONSET OF THE DISTURBANCE. THE GREATER
THAN 2 MEV ELECTRON FLUX AT GEOPSYNCHRONONOUS ORBIT WAS AT MODERATE
TO HIGH LEVELS.
IIB. Прогноз геофизической активности
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE AT UNSETTLED TO ACTIVE LEVELS AS WE FALL UNDER THE
EFFECTS OF A HIGH SPEED CORONAL HOLE STREAM. PERIODS OF MINOR
STORMING ARE LIKELY AT HIGH LATITUDES. EXPECT THE FIELD TO RETURN TO
MOSTLY UNSETTLED CONDITIONS BY DAY THREE.
III. Вероятность события от 06 - FEB до 08 - FEB
| M-класс | 50% | 50% | 40% |
| X-класс | 20% | 20% | 15% |
| Протон | 05% | 05% | 05% |
| PCAF | GREEN
|
IV. Радиоизлучение λ = 10,7см
Наблюдаемый 05 FEB 168
Прогнозируемый 06 FEB-08 FEB 175/180/190
среднее значение за последние 3 месяца 05 FEB 174
V. Геомагнитные индексы
OBSERVED AFR/AP 04 FEB 004/004
ESTIMATED AFR/AP 05 FEB 010/010
PREDICTED AFR/AP 06 FEB-08 FEB 015/015-012/015-010/009
VI. Вероятность геомагнитной активности с 06 - FEB до 08 - FEB
| A. Средние широты |
| Активно | 25% | 25% | 15% |
| Слабый шторм | 10% | 10% | 05% |
| Большой шторм | 01% | 01% | 01% |
| B. Высокие широты |
| Активно | 30% | 30% | 20% |
| Слабый шторм | 15% | 15% | 10% |
| Большой шторм | 01% | 01% | 01% |
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