Viewing archive of Thursday, 24 February 2000

Geophysical report

Solar and Geophysical Activity Summary 2000 Feb 24 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 055 Issued at 0245Z on 24 FEB 2000 This report is compiled from data received at SWO on 23 FEB
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0550 0551 0551                       120
1254 1254 1254                       120
B. Proton Events
None
C. Geomagnetic Activity Summary
HE GEOMAGNETIC FIELD WAS PREDOMINANTLY QUIET TO UNSETTLED. THE FIELD INCREASED TO ACTIVE BETWEEN 15Z AND 18Z DUE TO THE ARRIVAL OF A CO-ROTATING INTERACTION REGION (CIR) SEEN IN ACE DATA. THIS CIR BROUGHT INCREASED SOLAR WIND VELOCITIES AND MAGNETIC FIELD STRENGTH; BZ FLUCTUATED WILDLY BETWEEN -15 AND 10 NT. THE CIR HERALDS THE EXPECTED RETURN OF A HIGH SPEED CORONAL HOLE STREAM.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 185  SSN 155  AFR/AP 010/010   X-RAY BACKGROUND C2.6
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 5.9E+05   GT 10 MEV 1.3E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 1.10E+06 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 3 1 1 2 3 4 1 2 PLANETARY 3 0 1 2 4 4 2 2
F. Comments
  None


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