Viewing archive of Tuesday, 28 January 1997

Solar activity report

Report of Solar-Geophysical Activity 1997 Jan 28 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 028 Issued at 2200Z on 28 JAN 1997

IA. Analysis of Solar Active Regions and Activity from 27-2100Z to 28-2100Z

SOLAR ACTIVITY WAS VERY LOW.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY LOW. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 27/2100Z TO 28/2100Z: THE GEOMAGNETIC FIELD WAS AT QUIET TO MINOR STORM LEVELS. MID-LATITUDES WERE PREDOMINANTLY QUIET TO UNSETTLED AND HIGH LATITUDES WERE MOSTLY UNSETTLED TO ACTIVE. A PERIOD OF ACTIVE TO MINOR STORM CONDITIONS OCCURRED FROM 03-06Z. SOLAR WIND DATA SUGGESTS THE ACTIVITY WAS DUE TO A HIGH SPEED, LOW DENSITY WIND STREAM. THE GREATER THAN 2 MEV ELECTRONS EXCEEDED HIGH FLUX LEVELS.
IIB. Geophysical Activity Forecast
GEOMAGNETIC ACTIVITY IS EXPECTED TO BE PREDOMINANTLY UNSETTLED FOR THE NEXT TWO DAYS BECOMING QUIET ON DAY THREE.
III. Event Probabilities 29 JAN to 31 JAN
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       28 JAN 073
  Predicted   29 JAN-31 JAN  074/074/074
  90 Day Mean        28 JAN 077
V. Geomagnetic A Indices
OBSERVED AFR/AP 27 JAN  018/013
ESTIMATED AFR/AP 28 JAN  015/020
PREDICTED AFR/AP 29 JAN-31 JAN  015/012-010/008-005/005
VI. Geomagnetic Activity Probabilities 29 JAN to 31 JAN
A. Middle Latitudes
Active30%25%10%
Minor storm05%05%05%
Major-severe storm01%01%01%
B. High Latitudes
Active30%25%10%
Minor storm10%10%05%
Major-severe storm01%01%01%

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