Viewing archive of Saturday, 1 July 2000

Solar activity report

Report of Solar-Geophysical Activity 2000 Jul 01 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 183 Issued at 2200Z on 01 JUL 2000

IA. Analysis of Solar Active Regions and Activity from 30-2100Z to 01-2100Z

SOLAR ACTIVITY WAS LOW. THE LARGEST FLARE OF THE PAST DAY WAS A C6/SF AT 01/1241 UTC IN REGION 9054 (N13W81). THIS SUNSPOT GROUP CONTINUES TO DECAY AS IT APPROACHES THE WEST LIMB. REGION 9062 (S16W04) IS THE LARGEST GROUP ON THE VISIBLE DISK BUT IS NOT PARTICULARLY COMPLEX AND HAS NOT PRODUCED SIGNIFICANT ACTIVITY. NEW REGIONS 9068 (S19E63) AND 9069 (S13E70) ROTATED INTO VIEW.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE LOW. ADDITIONAL C-CLASS FLARES ARE POSSIBLE FROM REGION 9054 BEFORE IT EXITS THE VISIBLE DISK. THERE IS A SMALL CHANCE OF LOW-LEVEL M-CLASS ACTIVITY. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 30/2100Z TO 01/2100Z: THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED.
III. Event Probabilities 02 JUL to 04 JUL
Class M10%10%10%
Class X01%01%01%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       01 JUL 164
  Predicted   02 JUL-04 JUL  170/175/180
  90 Day Mean        01 JUL 182
V. Geomagnetic A Indices
OBSERVED AFR/AP 30 JUN  003/007
ESTIMATED AFR/AP 01 JUL  010/010
PREDICTED AFR/AP 02 JUL-04 JUL  010/010-010/010-010/008
VI. Geomagnetic Activity Probabilities 02 JUL to 04 JUL
A. Middle Latitudes
Active10%10%10%
Minor storm01%01%01%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm01%01%01%
Major-severe storm01%01%01%

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