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Warning

The following MARS retrieval is provided only  as an example of the sort of change that users will need to make once the data are provided in GRIB2. 


Retrieval of 100m wind components and speed in GRIB1Retrieval of 100m wind components and speed in GRIB2


HTML
<pre>
retrieve,
  class=od,
  stream=oper,
  expver=1,
  date=-2,
  time=00:00:00,
  type=fc,
  step=0,
  <b><font color="red">levtype=sfc</font></b>,
  <b><font color="red">param=228246/228247/228249</font></b>,   
<b><font color="red"># 100u/100v/
100wsi<
100si</font></b>
  target="output_100m_winds.grib1"
<pre>



HTML
<pre>
retrieve,
  class=od,
  stream=oper,
  expver=1,
  date=-2,
  time=00:00:00,
  type=fc,
  step=0,
  <b><font color="red">levtype=hl</font></b>,
  <b><font color="red">levelist=100</font></b>,
  <b><font color="red">param=131/132/10</font></b>,
   <b><font color="red"># u/v/ws</font></b> 
  target="output_100m_winds.grib2"
<pre>


Addition of new MARS keyword timespan for parameters processed statistically over a time interval

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Warning

The following MARS retrieval is provided only  as an example of the sort of change that users will need to make once the data are provided in GRIB2. 


Retrieval of maximum and minimum 2m temperature in GRIB1Retrieval of maximum and minimum 2m temperature in GRIB2


HTML
<pre>
retrieve,
  class=od,
  stream=oper,
  expver=1,
  date=-2,
  time=00:00:00,
  type=fc,
  levtype=sfc,
  <b><font color="red">param=201/202</font></b>,       <b><font color="red"># mx2t/mn2t</font></b>
  step=1/2/3/4/5/6,
  target="output_max_min_2t.grib1"
retrieve,
  <b><font color="red">param=228026/228027</font></b>, <b><font color="red"># mx2t3/mn2t3</font></b>
  step=3/6,
  target="output_max_min_2t.grib1"
retrieve,
  <b><font color="red">param=121/122</font></b>,       <b><font color="red"># mx2t6/mn2t6</font></b>
  step=6,
  target="output_max_min_2t.grib1"

<pre>



HTML
<pre>
retrieve,
  class=od,
  stream=oper,
  expver=1,
  date=-2,
  time=00:00:00,
  type=fc,
  levtype=sfc,
  <b><font color="red">param=237167/238167</font></b>, <b><font color="red"># max_2t/min_2t</font></b> 
  <b><font color="red">timespan=1h</font></b>,         <b><font color="red">#
last
previous hour</font></b> 
  step=1/2/3/4/5/6,
  target="output_max_min_2t.grib2"
retrieve,
  <b><font color="red">param=237167/238167</font></b>, <b><font color="red"># max_2t/min_2t</font></b>
  <b><font color="red">timespan=3h</font></b>,         <b><font color="red">#
last
previous 3 hours</font></b> 
  step=3/6,
  target="output_max_min_2t.grib2"
retrieve,
  <b><font color="red">param=237167/238167</font></b>,  <b><font color="red"># max_2t/min_2t</font></b>
  <b><font color="red">timespan=6h</font></b>,          <b><font color="red">#
last
previous 6 hours</font></b>
  step=6,
  target="output_max_min_2t.grib2"
<pre>


Addition of new MARS keyword chem for retrieval of chemical species

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