Grid Editing Tools and Methodologies at WFO BTV

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Grid Editing Tools and Methodologies at WFO BTV

• Kevin Cadima
• WFO BTV

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MatchMOSAll Tool

• MaxT/MinT/T/Td
• Adjusts model grid to match MOS at various points
• Uses Serp tool to make MOS adjustments
• New model database generated (model adjusted
  for MOS)
• Acts like a SmartInit routine

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MatchMOSAll

• MesoEta adjusted for MAV/MET
• Forecaster can make further adjustments as
  necessary using various editing tools
• Use Serp tool to input MaxT/MinT for CCF sites so
  forecaster has control over verification

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MatchMOSAll
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HgrElev_TaperUpLwrElev_TaperDown

• Sky/PoP/QPF but can be used on any scalar field
• Very good at depicting terrain

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Sky_Fm_ModelRH

• Adapted from ETA_Sky tool
• Select model and cloud layer
• Sky based on model RH for selected layer

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Wx vs PoP

• Prefer PoP first then derive Wx from Smart Tool
• Gradients provide more info to user

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Elevation_Snow_Vly_Rain

• Assigns snow above user defined elevation with
  rain below
• Option for Rain/Snow mix in valleys
• Uncertainty vs Areal terms
• Rain vs showers, Snow vs snow showers

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WsEta Model

• High Resolution QPF forecasts