| Solar wind
speed: 371.2 km/sec
density: 1.3 protons/cm3
explanation | more data
Updated: Today at 0005 UT X-ray Solar Flares
6-hr max: B8 2036 UT Feb12
24-hr: C2 1506 UT Feb12
explanation | more data
Updated: Today at: 2359 UT Daily Sun: 12 Feb 11 Three new sunspots are emerging on the visible disk of the sun. The biggest, AR1158, poses a threat for Earth-directed C-flares. Credit: SDO/HMI
Sunspot number: 54
What is the sunspot number?
Updated 11 Feb 2011
Spotless Days
Current Stretch: 0 days
2011 total: 1 day (3%)
2010 total: 51 days (14%)
2009 total: 260 days (71%)
Since 2004: 820 days
Typical Solar Min: 486 days
Updated 11 Feb 2011
The Radio Sun
10.7 cm flux: 91 sfu
explanation | more data
Updated 11 Feb 2011
Current Auroral Oval: Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES Planetary K-index
Now: Kp= 0 quiet
24-hr max: Kp= 2 quiet
explanation | more data
Interplanetary Mag. Field
Btotal: 3.5 nT
Bz: 0.7 nT south
explanation | more data
Updated: Today at 0006 UT Coronal Holes: 12 Feb 11 Solar wind flowing from the indicated coronal holes could brush past Earth's magnetic field between Feb. 13th and 15th. Credit: SDO/AIA.
SPACE WEATHER
NOAA Forecasts | |
Updated at: 2011 Feb 12 2200 UTC
FLARE | 0-24 hr | 24-48 hr |
CLASS M | 20 % | 20 % |
CLASS X | 01 % | 01 % |
Geomagnetic Storms:
Probabilities for significant disturbances in Earth's magnetic field are given for three activity levels: active, minor storm, severe storm Updated at: 2011 Feb 12 2200 UTC Mid-latitudes
| 0-24 hr | 24-48 hr |
ACTIVE | 20 % | 20 % |
MINOR | 01 % | 01 % |
SEVERE | 01 % | 01 % |
High latitudes
| 0-24 hr | 24-48 hr |
ACTIVE | 20 % | 20 % |
MINOR | 01 % | 01 % |
SEVERE | 01 % | 01 % |
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