Viewing archive of Saturday, 10 May 2003

Geophysical report

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 2003 May 10 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 130 Issued at 0245Z on 10 May 2003 This report is compiled from data received at SWO on 09 May
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field ranged from unsettled to minor storm levels
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 097  SSN 023  Afr/Ap 020/029   X-ray Background B2.7
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.0e+06   GT 10 MeV 1.0e+04 p/(cm2-ster-day)
(GOES-10 satellite synchronous orbit W135 degrees)
Daily Electron Fluence
GT 2 MeV 3.20e+08 e/(cm2-ster-day)
(GOES-10 satellite synchronous orbit W135 degrees)
3 Hour K-indices
Boulder 3 4 5 5 5 3 3 3 Planetary 4 4 5 5 5 3 3 3
F. Comments
  None

All times in UTC

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

Gillam, MB, Whitehorse, YT, Yellowknife, NT
Anchorage, AK, Fairbanks, AK, Juneau, AK, Utqiagvik, AK
A transequatorial coronal hole was detected in an earth-facing position on Monday, 24 March 2025

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Monday, 24 March 2025
Coronal hole faces Earth

The anticipated strong G3 geomagnetic storm watch never materialized as the coronal mass ejection that was supposed to arrive early yesterday didn't arrive until today just past midnight UTC. The impact was very lackluster with the Bt (total strength of the IMF) increasing to a moderate 15nT at best and the solar wind speed reaching just 420km/s. A far cry from the anticipated 700 to 800km/s. That once again goes to show how hard it is to forecast space weather events and any resulting geomagnetic conditions. We remain under the influence of the CME and high latitude sky watchers should remain alert for some nice aurora displays but middle latitude sky watchers will probably have to wait for the next opportunity. 

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13:55 UTC - Coronal hole

A transequatorial coronal hole is facing Earth. Enhanced solar wind could arrive in ~3 days

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02:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 02:33 UTC

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