Space Weather Observations, Alerts, and Forecast
3-day Solar-Geophysical Forecast
Real Time Images of the Sun
SOHO EIT 304
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SOHO EIT 284
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Mauna Loa Solar Image
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The sun is constantly monitored for sun spots and coronal mass ejections. EIT (Extreme ultraviolet Imaging Telescope) images the solar atmosphere at several wavelengths, and therefore, shows solar material at different temperatures. In the images taken at 304 Angstrom the bright material is at 60,000 to 80,000 degrees Kelvin. In those taken at 171 Angstrom, at 1 million degrees. 195 Angstrom images correspond to about 1.5 million Kelvin, 284 Angstrom to 2 million degrees. The hotter the temperature, the higher you look in the solar atmosphere.
Real Time Solar X-ray and Solar Wind
Latest LASCO Solar Corona
Large Angle and Spectrometric Coronagraph (LASCO). |
Real-Time Solar Wind
Real-Time Solar Wind data broadcast from NASA's ACE satellite. |
Solar Cycle
Sun Spot Number Progression This plot shows the Solar Cycle Sun Spot Number Progression. |
F10.7cm Radio Flux Progression This plot shows the F10.7cm Radio Flux Progression. |
Ap Progression This plot shows the Solar Cycle Ap Progression. |
The Solar Cycle is observed by counting the frequency and placement of sunspots visible on the Sun.
Solar minimum occurred in December, 2008.
Solar maximum was expected to occur in May, 2013.
Auroral Activity Extrapolated from NOAA POES
Northern Hemi Auroral Map
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Southern Hemi Auroral Map
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Instruments on board the NOAA Polar-orbiting Operational Environmental Satellite (POES) continually monitor the power flux carried by the protons and electrons that produce aurora in the atmosphere. SWPC has developed a technique that uses the power flux observations obtained during a single pass of the satellite over a polar region (which takes about 25 minutes) to estimate the total power deposited in an entire polar region by these auroral particles. The power input estimate is converted to an auroral activity index that ranges from 1 to 10.
VHF and HF Band Conditions
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Credits:
Space Weather Images and Information (excluded from copyright) courtesy of:NOAA / NWS Space Weather Prediction Center
Mauna Loa Solar Observatory (HAO/NCAR)
SOHO (ESA & NASA).
Space Weather links:
3-Day Forecast of Solar and Geophysical Activity
Space Weather Overview
LASCO Coronagraph
Real-Time Solar Wind
Space Weather Advisory Outlooks
Space Weather Forecast Disussions
Space Weather Alerts, Watches and Warnings
Solar and Heliospheric Observatory (SOHO)
The Very Latest SOHO Images
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Random Weather Words
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Sandstorm A strong wind which carries sand through the air. Usually occurs in desert regions, often among sand dunes. |
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