Wind van: 18-01-2018 04:00 tot: 12:59 waarschuwing voor: Wind niveau: Oranje info button
nederlands:
Na middernacht verwachten we een toename van de wind, met reeds windstoten rond 80 km/h in het binnenland en 90 tot 95 km/h aan zee. Donderdagochtend neemt de wind nog verder toe, met rukwinden tussen 90 en 105 km/h of lokaal zelfs wat meer. We verwachten de zwaarste rukwinden in het westen van het land en in de provincies die grenzen aan Nederland en Duitsland.

français:
En seconde partie de nuit, le vent se renforcera avec des pointes de 80 km/h dans l'intérieur et de 90 ou 95 km/h au littoral. Jeudi matin, le vent se renforcera encore et des rafales de 90 à 105 km/h ou un peu plus pourront se produire. Les pointes de vent les plus élevées concerneront fort probablement l'ouest du pays et les provinces proches des Pays-Bas et de l'Allemagne. 



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Space Weather Observations, Alerts, and Forecast

Forecast text

Product: 3-Day Forecast - Issued: 2018 Jan 18 0031 UTC
Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center.

Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 1 (below NOAA Scale levels).
The greatest expected 3 hr Kp for Jan 18-Jan 20 2018 is 4 (below NOAA Scale levels).

NOAA Kp index breakdown Jan 18-Jan 20 2018

Jan 18Jan 19Jan 20
00-03UT123
03-06UT222
06-09UT212
09-12UT113
12-15UT123
15-18UT123
18-21UT134
21-00UT234

Rationale: No G1 (Minor) or greater geomagnetic storms are expected. No significant transient or recurrent solar wind features are forecast.

Solar Radiation Activity Observation

Solar radiation, as observed by NOAA GOES-15 over the past 24 hours, was below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Jan 18-Jan 20 2018

Jan 18Jan 19Jan 20
S1 or greater1%1%1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected. No significant active region activity favorable for radiation storm production is forecast.

Radio Blackout Activity

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Jan 18-Jan 20 2018

Jan 18Jan 19Jan 20
R1-R21%1%1%
R3 or greater1%1%1%

Rationale: No R1 (Minor) or greater radio blackouts are expected. No significant active region flare activity is forecast.

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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New regular size page, New 1280×1024 window, and New 1600×1200 window.

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
 
 for more information for more information for more information

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).

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