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UK Extremes

Last  24 hours

High Temp
25.4 °C
Shoreham

Low Temp
5.4 °C
Braemar

Precipitation
19.6 mm
Capel Curig

Sunniest
14.5 hours
Lerwick

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Met Office




Thunderstorms From: 24-06-2019 00:00 Until: 22:59 warning for: Thunderstorms Level: Yellow info button
Heavy rain and thunderstorms may lead to flooding and disruption to travel.What to expect There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds There is a small chance of fast flowing or deep floodwater causing danger to life Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services Spray and sudden flooding could lead to difficult driving conditions and some road closures There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost 

Space Weather Observations, Alerts, and Forecast

Forecast text


301 Moved Permanently

301 Moved Permanently


CloudFront

Sun Images


eit 171 eit 195 eit 284 eit 304
 

Images: From left to right: EIT 171, EIT 195, EIT 284, EIT 304 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.

 
SDO/HMI
Continuum
SDO/HMI
Magnetogram
LASCO C2 LASCO C3
 

The MDI (Michelson Doppler Imager) images shown here are taken in the continuum near the Ni I 6768 Angstrom line. The most prominent features are the sun spots.
 

LASCO (Large Angle Spectrometric Coronagraph) is able to take images of the solar corona by blocking the light coming directly from the Sun with an occulter disk, creating an artificial eclipse within the instrument itself.

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Solar cycle


Sunspot numbers F10.7CM Radio flux AP
 
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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 in May, 2013.

 
Solar wind Satellite impact Xray flux
 
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On the left: Real-Time Solar Wind data broadcast from NASA's ACE satellite. Middle: The Satellite Environment Plot combines satellite and ground-based data to provide an overview of the current geosynchronous satellite environment. Right: 3-days of 5-minute solar x-ray flux values measured on the SWPC primary and secondary GOES satellites.

Auroral activity


Northern Auroral map Southern Auroral map
 

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.

Alerts


Introduction Movie


Conditions on the Sun and in the solar wind, magnetosphere, ionosphere and thermosphere that can influence the performance and reliability of space-borne and ground-based technological systems and can endanger human life or health. This introduction movie in the English language will open on a new tab/window when you click on the image below.



Also in Quicktime format: Large (269M) and Small ( 60M).


Credits:

Space Weather Images and Information (excluded from copyright) courtesy of:
NOAA / NWS Space Weather Prediction Center, Mauna Loa Solar Observatory (HAO/NCAR), and SOHO (ESA & NASA).