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NWP SAF Scatterometer Monitoring

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ASCAT-A Monitoring

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The Advanced Scatterometer (ASCAT) was launched by the European Space Agency (ESA) aboard the MetOp-A satellite on October 19, 2006. ASCAT is operated by EUMETSAT and like its predecessor on ERS-2, operates at a frequency in C-band (5.255 GHz) giving the instrument a near all-weather capability. Six vertically polarised (VV) radar beams, 3 either side of the spacecraft, trace out two 550 km wide swaths separated by a 670 km gap. This provides a higher resolution and twice the coverage of the AMI instrument on ERS-2.

ASCAT has been operationally assimilated into the Met Office global and regional forecast models since 17 November 2007.


Metop satellite. Copyright: EUMETSAT.

The following icons are used to represent the models of the various NWP centres.

Icon
NWP Model Met Office Global
Observations Plotted Data used in assimilation

Click on an icon in the table below to view the plots

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Latest Data  (updated every 6 hours)
 
00 UTC
06 UTC
12 UTC
18 UTC
Data Coverage



Map O-B Speed Bias



Map Mean Observed
and Background Speed



Speed Density
Direction Density
O-B Speed Bias
By Crosstrack Cell
O-B Direction Bias
By Crosstrack Cell



 
Last 30 days  (updated once per day)
Time Series
  

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