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SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids
 
Solar wind
speed: 335.5 km/sec
density: 1.9 protons/cm3
explanation | more data
Updated: Today at 2351 UT
X-ray Solar Flares
6-hr max: B4
2009 UT Jan16
24-hr: B8
0336 UT Jan16
explanation | more data
Updated: Today at: 2300 UT
Daily Sun: 16 Jan 16
Not one of these sunspots poses a threat for strong flares. Solar activity remains low. Credit: SDO/HMI

Sunspot number: 38
What is the sunspot number?
Updated 16 Jan 2016

Spotless Days
Current Stretch: 0 days
2016 total: 0 days (0%)
2015 total: 0 days (0%)

2014 total: 1 day (<1%)
2013 total: 0 days (0%)
2012 total: 0 days (0%)
2011 total: 2 days (<1%)
2010 total: 51 days (14%)
2009 total: 260 days (71%)

Updated 16 Jan 2016


The Radio Sun
10.7 cm flux: 104 sfu
explanation | more data
Updated 16 Jan 2016

Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/Ovation
Planetary K-index
Now: Kp= 1 quiet
24-hr max: Kp= 2
quiet
explanation | more data
Interplanetary Mag. Field
Btotal: 7.0 nT
Bz: 2.4 nT north
explanation | more data
Updated: Today at 2351 UT
Coronal Holes: 16 Jan 16

There are no large coronal holes on the Earthside of the sun. Credit: SDO/AIA.
Noctilucent Clouds The southern season for noctilucent clouds began on Dec. 13, 2015. The coverage of NLCs over Antarctica is rapidly multiplying in 2016.
Switch view: Ross Ice Shelf, Antarctic Peninsula, East Antarctica, Polar
Updated at: 01-16-2016 21:55:02
SPACE WEATHER
NOAA Forecasts
Updated at: 2016 Jan 16 2200 UTC
FLARE
0-24 hr
24-48 hr
CLASS M
05 %
05 %
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: 2016 Jan 16 2200 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
10 %
20 %
MINOR
05 %
05 %
SEVERE
01 %
01 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
15 %
15 %
MINOR
20 %
25 %
SEVERE
20 %
25 %
 
Saturday, Jan. 16, 2016
What's up in space
 

Marianne's Heaven On Earth Aurora Chaser Tours Chasethelighttours.co.uk invites you to join them in their quest to find and photograph the Aurora Borealis. Experience the winter wonderland in the Tromsø Area.

 
Chase the Light Tours

AURORA ALERT: Delayed imagery from SOHO has revealed a CME that left the sun on Jan. 15, propelled by the eruption of a magnetic filament. NOAA storm tracks suggest that the CME could deliver a weak glancing blow to Earth's magnetic field on Jan. 19th. Arctic sky watchers should be alert for auroras after nightfall on Tuesday. Solar flare alerts: text or voice.

STREET MAPS IN THE SKY: Winter is unfolding around the northern hemisphere and, as temperatures drop, pillars of light are springing up from ground. Urban lights bounce off ice crystals in the air, producing luminous columns that reach into the heavens. Such "light pillars" are a common sight around northern cities in winter. On Jan. 12th, however, Mia Heikkilä looked up from her hometown in Eura, Finland, and saw something uncommon. "There was a street map of Kauttua painted in the sky!" she says. Heikkilä took this picture of the apparition:

"It was an exact reversed light map of Kauttua, Eura, created by light pillars," Heikkilä explains.

Most people see pillars from the side, where they look like luminous towers, but not Heikkilä. She was located inside a nest of pillars rising from the center of town. Looking up, she saw the tips of the pillars tracing the illuminated streets of Kauttua. In fact, the sky map was even better than the printed map Heikkilä used for comparison, because it traced the most recent changes to the cityscape. "Now I call it #LuxEura," she says.

Note: These observations were first published in Tähdet ja avaruus magazine.

Realtime Spaceweather Photo Gallery

MIND-ALTERING AURORAS, SUBSIDING: All week long, a stream of solar wind has gently buffeted Earth's magnetic field, sparking bright auroras around the Arctic Circle. In Yellowknife, Canada, "the display was mind-altering," reports Ryan Fisher, who took this picture on Jan. 14th:

"It was 4 hours of crazy amazement!" he says.

Earth is slowly exiting the stream of solar wind. As a result, NOAA forecasters have downgraded the chance of polar geomagnetic storms on Jan. 15th to only 20%. On the bright side, that could still produce 4 x 20% = 0.8 hours of "crazy amazement." Arctic sky watchers are advised to remain alert for auroras.. Aurora alerts: text or voice.

Realtime Aurora Photo Gallery


Realtime Meteor Photo Gallery


Realtime Comet Photo Gallery


  All Sky Fireball Network
Every night, a network of NASA all-sky cameras scans the skies above the United States for meteoritic fireballs. Automated software maintained by NASA's Meteoroid Environment Office calculates their orbits, velocity, penetration depth in Earth's atmosphere and many other characteristics. Daily results are presented here on Spaceweather.com.

On Jan. 16, 2016, the network reported 13 fireballs.
(13 sporadics)

In this diagram of the inner solar system, all of the fireball orbits intersect at a single point--Earth. The orbits are color-coded by velocity, from slow (red) to fast (blue). [Larger image] [movies]

  Near Earth Asteroids
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 January 16, 2016 there were potentially hazardous asteroids.
Recent & Upcoming Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Size
2016 AQ164
Jan 10
0.3 LD
5 m
2016 AP131
Jan 11
6.2 LD
18 m
2016 AH164
Jan 12
0.07 LD
5 m
2016 AN164
Jan 14
0.1 LD
4 m
2015 YC2
Jan 15
4.9 LD
88 m
1685 Toro
Jan 22
60.9 LD
1.7 km
2001 XR1
Jan 23
74.4 LD
1.5 km
2015 VC2
Jan 28
5.8 LD
15 m
2015 XA379
Feb 7
8.1 LD
38 m
2013 VA10
Feb 7
8.5 LD
165 m
2014 QD364
Feb 7
14 LD
16 m
2014 EK24
Feb 14
13.8 LD
94 m
2010 LJ14
Feb 16
68.5 LD
1.2 km
1999 YK5
Feb 19
51.7 LD
2.0 km
2010 WD1
Feb 22
12.3 LD
22 m
1991 CS
Feb 23
65.5 LD
1.4 km
2011 EH17
Mar 1
11.1 LD
52 m
2013 TX68
Mar 5
1.3 LD
38 m
2001 PL9
Mar 9
77.6 LD
1.2 km
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.
  Cosmic Rays in the Atmosphere
Situation Report -- Oct. 30, 2015 Stratospheric Radiation (+37o N)
Cosmic ray levels are elevated (+6.1% above the Space Age median). The trend is flat. Cosmic ray levels have increased +0% in the past month.
Sept. 06: 4.14 uSv/hr (414 uRad/hr)
Sept. 12: 4.09 uSv/hr (409 uRad/hr)
Sept. 23: 4.12 uSv/hr (412 uRad/hr)
Sept. 25: 4.16 uSv/hr (416 uRad/hr)
Sept. 27: 4.13 uSv/hr (413 uRad/hr)
Oct. 11: 4.02 uSv/hr (402 uRad/hr)
Oct. 22: 4.11 uSv/hr (411 uRad/hr)
These measurements are based on regular space weather balloon flights: learn more.

Approximately once a week, Spaceweather.com and the students of Earth to Sky Calculus fly "space weather balloons" to the stratosphere over California. These balloons are equipped with radiation sensors that detect cosmic rays, a surprisingly "down to Earth" form of space weather. Cosmic rays can seed clouds, trigger lightning, and penetrate commercial airplanes. Our measurements show that someone flying back and forth across the continental USA, just once, can absorb as much ionizing radiation as 2 to 5 dental X-rays. Here is the data from our latest flight, Oct. 22nd:

Radiation levels peak at the entrance to the stratosphere in a broad region called the "Pfotzer Maximum." This peak is named after physicist George Pfotzer who discovered it using balloons and Geiger tubes in the 1930s. Radiation levels there are more than 80x sea level.

Note that the bottom of the Pfotzer Maximim is near 55,000 ft. This means that some high-flying aircraft are not far from the zone of maximum radiation. Indeed, according to the Oct 22th measurements, a plane flying at 45,000 feet is exposed to 2.79 uSv/hr. At that rate, a passenger would absorb about one dental X-ray's worth of radiation in about 5 hours.

The radiation sensors onboard our helium balloons detect X-rays and gamma-rays in the energy range 10 keV to 20 MeV. These energies span the range of medical X-ray machines and airport security scanners.

  Essential web links
NOAA Space Weather Prediction Center
  The official U.S. government space weather bureau
Atmospheric Optics
  The first place to look for information about sundogs, pillars, rainbows and related phenomena.
Solar Dynamics Observatory
  Researchers call it a "Hubble for the sun." SDO is the most advanced solar observatory ever.
STEREO
  3D views of the sun from NASA's Solar and Terrestrial Relations Observatory
Solar and Heliospheric Observatory
  Realtime and archival images of the Sun from SOHO.
Daily Sunspot Summaries
  from the NOAA Space Environment Center
Heliophysics
  the underlying science of space weather
Columbia Northern High School
  Web-based high school science course with free enrollment
Kotton Grammer, Search Engine Marketing
  sponsored link
Synergy Spray Foam Insulation of Houston TX
  Protection from the Sun!
  more links...
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