Current Space Weather Conditions

NOAA Scales Activity
Range 1 (minor) to 5 (extreme)
NOAA Scale
Geomagnetic Storms
Solar Radiation Storms
Radio Blackouts
     



Solar wind
speed: 317.2 km/sec
density: 0.8 protons/cm3
 explanation | more data
Updated: Today at 1637 UT
X-ray Solar Flares
6-hr max: B7 1553 UT Feb27
24-hr: C4 0355 UT Feb27
explanation | more data
Updated: Today at: 1600 UT
Daily Sun: 27 Feb 11
Sunspot complex 1163-1164 has a complex "beta-gamma" magnetic field that harbors energy for M-class solar flares. Credit: SDO/HMI
Sunspot number: 49
What is the sunspot number?
Updated 26 Feb 2011

Spotless Days
Current Stretch: 0 days
2011 total: 1 day (2%)
2010 total: 51 days (14%)
2009 total: 260 days (71%)
Since 2004: 820 days
Typical Solar Min: 486 days
Updated 26 Feb 2011

The Radio Sun
10.7 cm flux: 90 sfu
 explanation | more data
Updated 26 Feb 2011
Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Planetary K-index
Now: Kp= 1 quiet
24-hr max: Kp= 1 quiet
 explanation | more data
Interplanetary Mag. Field
Btotal: 5.0 nT
Bz: 2 nT south
explanation | more data
Updated: Today at 1637 UT
Coronal Holes: 27 Feb 11
A solar wind stream flowing from the indicated coronal hole should reach Earth around March 3rd. Credit: SDO/AIA.
SPACE WEATHER
NOAA Forecasts
Updated at: 2011 Feb 26 2200 UTC
FLARE
0-24 hr
24-48 hr
CLASS M
35 %
35 %
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 26 2200 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
10 %
10 %
MINOR
01 %
01 %
SEVERE
01 %
01 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
15 %
15 %
MINOR
01 %
01 %
SEVERE
01 %
01 %
 

Potentially Hazardous Asteroids (PHAs) are space rocks larger than approximately 100m that can come closer to Earth than 0.05 AU. None of the known PHAs is on a collision course with our planet, although astronomers are finding new ones all the time.
On February 27, 2011 there were 1201 potentially hazardous asteroids.
Recent & Upcoming Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Mag.
Size
2011 CL50
Feb 19
6.2 LD
--
13 m
2011 DX4
Feb 20
8 LD
--
23 m
2003 YG118
Feb 20
67.7 LD
--
1.8 km
2011 DQ
Feb 26
9.7 LD
--
24 m
2011 DT9
Feb 27
9 LD
--
40 m
2011 DE5
Mar 1
4.9 LD
--
22 m
2011 DW4
Mar 3
6.9 LD
--
15 m
2000 PN9
Mar 10
45.5 LD
--
2.6 km
2002 DB4
Apr 15
62.5 LD
--
2.2 km
2008 UC202
Apr 27
8.9 LD
--
10 m
2009 UK20
May 2
8.6 LD
--
23 m
2008 FU6
May 5
75.5 LD
--
1.2 km
2003 YT1
May 5
65.3 LD
--
2.5 km
2002 JC
Jun 1
57.5 LD
--
1.6 km
2009 BD
Jun 2
0.9 LD
--
9 m
2002 JB9
Jun 11
71.5 LD
--
3.2 km
2001 VH75
Jun 12
42.2 LD
--
1.1 km
2004 LO2
Jun 15
9.9 LD
--
48 m
Notes: LD means "Lunar Distance." 1 LD = 384,401 km, the distance between Earth and the Moon. 1 LD also equals 0.00256 AU. MAG is the visual magnitude of the asteroid on the date of closest approach

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