Internet Shopping Sites high quality binoculars excellent weather stations all-metal reflector telescopes rotatable microscopes
 
Solar wind
speed: 452.0 km/sec
density: 3.1 protons/cm3
explanation | more data
Updated: Today at 1621 UT
X-ray Solar Flares
6-hr max: C4
1337 UT Mar03
24-hr: M8
0135 UT Mar03
explanation | more data
Updated: Today at: 1600 UT
Daily Sun: 03 Mar 15
Departing sunspot AR2290 is crackling with M-class solar flares. Credit: SDO/HMI

Sunspot number: 65
What is the sunspot number?
Updated 03 Mar 2015

Spotless Days
Current Stretch: 0 days
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%)

Update 03 Mar 2015


The Radio Sun
10.7 cm flux: 130 sfu
explanation | more data
Updated 03 Mar 2015

Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/Ovation
Planetary K-index
Now: Kp= 2 quiet
24-hr max: Kp= 3
quiet
explanation | more data
Interplanetary Mag. Field
Btotal: 3.0 nT
Bz: 1.3 nT south
explanation | more data
Updated: Today at 1621 UT
Coronal Holes: 03 Mar 15
A Earth is inside a solar wind stream flowing from the indicated coronal hole. Credit: SDO/AIA.
Noctilucent Clouds The southern season for NLCs has come to an end. The last clouds were observed by NASA's AIM spacecraft on Feb. 20, 2015. Now attention shifts to the northern hemisphere, where the first clouds of 2015 should appear in mid-May.
Switch view: Ross Ice Shelf, Antarctic Penninsula, East Antarctica, Polar
Updated at: 02-28-2015 02:55:03
SPACE WEATHER
NOAA Forecasts
Updated at: 2015 Mar 02 2330 UTC
FLARE
0-24 hr
24-48 hr
CLASS M
25 %
10 %
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: 2015 Mar 02 2330 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
40 %
35 %
MINOR
15 %
10 %
SEVERE
01 %
01 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
10 %
15 %
MINOR
30 %
30 %
SEVERE
55 %
45 %
 
Tuesday, Mar. 3, 2015
What's up in space
 

Learn to photograph Northern Lights like a pro. Sign up for Peter Rosen's Aurora Photo Courses in Abisko National Park.

 
Lapland tours

CHANCE OF MAGNETIC STORMS: NOAA forecasters estimate a 55% chance of high-latitude geomagnetic storms on March 3rd. The cause: A stream of solar wind is buffeting our planet's magnetic field, sparking bright auroras around the Arctic Circle. Aurora alerts:, voice

SOLAR FLARES AND RADIO BLACKOUTS: Departing sunspot AR2290 is crackling with M-class solar flares. The strongest so far, an M8-class explosion on March 3rd @ 01:35 UT, almost crossed the threshold into X-territory. NASA's Solar Dynamics Observatory recorded the extreme ultraviolet flash:

A pulse of radiation from the flare ionized the upper layers of Earth's atmosphere. This caused a blackout of radio transmissions at frequencies below 10 MHz. The effect was particularly strong above Australia and parts of the south Pacific: blackout map.

NOAA forecasters estimate a 25% chance of more M-class flares on March 3rd, subsiding to 10% on March 4th as sunspot AR2290 rotates onto the farside of the sun. Ham radio operators and mariners may notice disturbances to HF communicatons during the next 24-48 hours. Solar flare alerts: text, voice

Realtime Space Weather Photo Gallery

SPACE SEEDS: In late February, the students of Earth to Sky Calculus conducted an experiment in "space agriculture." Using a sub-orbital helium balloon, they flew a dozen varieties of garden vegatables and flowers to the edge of space. Here are three of the seed packets photographed at an altitude of 112,030 feet:

During their ascent to the stratosphere, these seeds (and 80 other packets not shown) experienced temperatures as low as -63 C, air pressures akin to those on the planet Mars, and cosmic ray dose rates 40x Earth-normal. While these "space seeds" were flying to the edge of space, identical control samples remained behind on Earth.

Students intend to plant the flown seeds side-by-side with control samples to investigate whether near-space travel affects the viability, color, size, taste or other characteristics of the plants.

Readers, would you like to grow your own space garden? For a small donation of $49.95 to Earth to Sky Calculus, you can have some of these space seeds for yourself. They make a great science fair project and, possibly, a unique meal! You may chose any two seed types from the following list: turnips, cherry tomatoes, beefsteak tomatoes, sweet corn, green beans, bell peppers, helichrysum flowers, jalapeno peppers, petunias, radishes, sunflowers, cosmos flowers, pumpkins, broccoli and carrots. We will send you flown+control packets for both of your selections. Contact Dr. Tony Phillips to place your order. All proceeds support student research.

NOCTILUCENT CLOUDS, BEHAVING STRANGELY: The southern season for noctilucent clouds (NLCs) has come to an end. NASA's AIM spacecraft observed the last wisps of electric-blue over Antarctica on Feb. 20, 2015. The end of the season was no surprise: The polar clouds always subside in late summer. Looking back over the entire season, however, reveals something unexpected. In an 8-year plot of Antarctic noctilucent cloud frequencies, the 2014-2015 season is clearly different from the rest:

These data come from the AIM spacecraft, which was launched in 2007 to monitor NLCs from Earth orbit. The curves show the abundance ("frequency") of the clouds vs. time for 120 days around every southern summer solstice for the past 8 years.

"This past season was not like the others," notes Cora Randall, a member of the AIM science team and the chair of the Department of Atmospheric and Oceanic Sciences at the University of Colorado. "The clouds were much more variable, and there was an enormous decrease in cloud frequency 15 to 25 days after the summer solstice. That's when the clouds are usually most abundant."

What does this mean? Previous research shows that NLCs are a sensitive indicator of long-range teleconnections in Earth's atmosphere, which link weather and climate across hemispheres. The strange behavior of noctilucent clouds in 2014-2015 could be a sign of previously unknown linkages. "Preliminary indications are that it is indeed due to inter-hemispheric teleconnections," says Randall. "We're still analyzing the data, so stay tuned."

Now attention turns to the northern hemisphere, where the season for NLCs typically begins in May. Will the northern season ahead be as strangely variable as the southern season, just concluded? Says Randall, "I can't wait to find out."


Realtime Aurora 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 Mar. 3, 2015, the network reported 5 fireballs.
(5 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 March 3, 2015 there were potentially hazardous asteroids.
Recent & Upcoming Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Size
2000 EE14
Feb 27
72.5 LD
1.6 km
2015 DY198
Mar 1
2.2 LD
21 m
2015 DO215
Mar 2
3.1 LD
20 m
2015 DS53
Mar 2
3.1 LD
64 m
2015 DK200
Mar 8
6.9 LD
34 m
2063 Bacchus
Apr 7
76 LD
1.6 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.
  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
Space Weather Alerts
   
  more links...
 
 
avertedimagination.com
Fine meteorite rings
Support SpaceWeather.com
Excel
weather suits coupons

Guide to the Northern Lights
Support SpaceWeather.com
space weather alerts
Support SpaceWeather.com
Support SpaceWeather.com
Support SpaceWeather.com
©2010 Spaceweather.com. All rights reserved. This site is penned daily by Dr. Tony Phillips.

Flybys for iPhone and Android

 

Quality Solar Panels from DHgate


 

Iceland Photo Tours

space weather alerts