Geophysical report

Viewing archive of Monday, 25 December 2000

Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.

Solar and Geophysical Activity Summary 2000 Dec 25 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 360 Issued at 0245Z on 25 Dec 2000 This report is compiled from data received at SWO on 24 Dec

A. Energetic Events

Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0101 0108 0115  9283 S15E66 C7.0  Sf 130    9
0107 0107 0108                       100
0246 0248 0248                       130
0703 0705 0705                       140
1103 1115 1122  9283 S16E63 M1.1  Sf 110    24
1256 1256 1256                       100
1937 1937 1938                       150

B. Proton Events

None

C. Geomagnetic Activity Summary

The geomagnetic field was mostly quiet.

D. Stratwarm

STRATWARM ALERT ENDS SUNDAY RETURN TO NORMAL WINTER CONDITIONS THROUGHOUT THE STRATOSPHERE WITHIN THE NEXT 2 DAYS.

E. Daily Indices: (real-time preliminary/estimated values)

10 cm 193  SSN 155  Afr/Ap 004/005   X-ray Background C1.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.8e+04   GT 10 MeV 9.7e+03 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 2.80e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 2 1 1 1 1 1 3 Planetary 1 2 1 1 2 2 2 2

F. Comments

  None

All times in UTC

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G2 - Moderate geomagnetic storm

Observed Kp: 6
Threshold reached: 22:29 UTC

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Oulu, Rovaniemi
Luleå

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Tórshavn
Kuopio
Bergen, Trondheim
Arkhangelsk
Sundsvall, Umeå

Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future

Tampere

The solar wind speed is currently moderately high (615 km/sec.)

The strength of the interplanetary magnetic field is moderate (18.69nT), the direction is North (11.81nT).

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