Halo CME on 20031202 - SOHO/LASCO C3 Data |
COMMENTS: Although this was a limb event and the direction of the Bz can not be determined, there is a chance that this eruption can cause a moderate storm.
CME's Source Region is NOAA AR0508 ; P0= 15.693987; Day of Year # 336
CME Appeared at 6 Solar Radii on 20031202 at 1118 UT
CME Arrived at 20 Solar Radii on 20031202 at 1311 UT
CME's Projected Speed at 20R: 1330 km/sec
See more info on the event
Estimated Travel Time is 1.80420 +/- 0.25 days
Estimated Time of Arrival is 20031204 at 0830 ( COMMENTS: the disturbance arrived at approx. 2100UT on Dec 4.)1
Estimated Speed of Solar Wind at 1AU is 595 km/sec (approx. 450 km/sec)
Estimated Direction of the Bz in the Magnetic Cloud can not be determined (SOUTHWARD)
Estimated Magnitude of the hourly averaged Bz in the Magnetic Cloud is -9...-21 nT (~-15 nT)
Estimated Change of the Dst index is -66...-132nT (on Dec 5th, between 0400 UT and 1200 UT the Dst index dropped by70 points from +60 to -12 nT)
Estimated Level of the Geomagnetic Storm is MODERATE...INTENSE(NONE-WEAK)
NONE > -30 > WEAK > -50 > MODERATE > -100 > INTENSE
1Numbers in red are
estimates. Numbers in parenthesis (if any) are actual measured values
*These estimates should be compared to the observed 1 hour
averaged ACE and Dst values
SOHO/LASCO C3 |
SOHO/LASCO C3 |
SOHO/LASCO C3 |
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Full Disk Halpha |
Full Disk SOHO/MDI |
Full Disk SOHO/EIT195 |
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Active Region Halpha |
Active Region SOHO/MDI |
Active Region /EIT195 |
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Images are courtesy of Active Region Monitor
Automaticaly Generated on
Wed Dec 3 15:53:30 2003
Please, send questions and comments to Vasyl Yurchyshyn