Viewing archive of Tuesday, 28 March 2000

Solar activity report

Report of Solar-Geophysical Activity 2000 Mar 28 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 088 Issued at 2200Z on 28 MAR 2000

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

SOLAR ACTIVITY WAS MODERATE. REGION 8926 (S10W84) PRODUCED AN M3/SF X-RAY EVENT AT 28/0137Z. SEVERAL OTHER MINOR C-CLASS EVENTS OCCURRED FROM REGION 8926 AND 8924 (N10W01). WHILE REGION 8926 NEARS THE WEST LIMB, REGIONS 8921 (S17W30), 8924, AND 8933 (N16E20) ALL DISPLAYED SLIGHT GROWTH DURING THE PERIOD. NO NEW REGIONS WERE NUMBERED.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE LOW TO MODERATE WITH A CHANCE OF ISOLATED M-CLASS ACTIVITY. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 27/2100Z TO 28/2100Z: THE GEOMAGNETIC FIELD WAS QUIET.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED.
III. Event Probabilities 29 MAR to 31 MAR
Class M35%30%30%
Class X10%05%05%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       28 MAR 201
  Predicted   29 MAR-31 MAR  195/190/190
  90 Day Mean        28 MAR 177
V. Geomagnetic A Indices
OBSERVED AFR/AP 27 MAR  003/005
ESTIMATED AFR/AP 28 MAR  005/005
PREDICTED AFR/AP 29 MAR-31 MAR  005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 29 MAR to 31 MAR
A. Middle Latitudes
Active25%20%20%
Minor storm05%05%05%
Major-severe storm01%01%01%
B. High Latitudes
Active30%25%25%
Minor storm10%05%05%
Major-severe storm01%01%01%

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