Developments to the Met Office Global and Regional ... - UCAR
Developments to the Met Office Global and Regional ... - UCAR
Developments to the Met Office Global and Regional ... - UCAR
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© Crown copyright <strong>Met</strong> <strong>Office</strong><br />
Overview of 2012 Upgrades<br />
• 4 cycles per day, 12 forecast members per cycle (control + 11<br />
perturbed members)<br />
• ETKF uses a full set of 22 perturbed members<br />
• 24-member products by lagging last 2 cycles<br />
• <strong>Global</strong> 3-day ensemble MOGREPS-G ~32 km (N400)<br />
• NB. MOGREPS-15 (used for TIGGE) stays at ~60km (N216)<br />
• UK convective-scale ensemble MOGREPS-UK 2.2 km<br />
• Direct nesting in <strong>Global</strong><br />
• Increase ETKF members from 22 <strong>to</strong> 44<br />
• Retire MOGREPS-R (early in 2013)
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