Nws welcome
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NWS Welcome PowerPoint PPT Presentation


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NWS Welcome . Mark Tew, OCWWS Chief, Marine & Coastal Services. Weather Ready Nation. Society is prepared for and responds to weather-dependent events Goal: Improve weather decision services for events that threaten lives and livelihoods. Purpose.

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NWS Welcome

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Nws welcome

NWS Welcome

Mark Tew, OCWWS

Chief, Marine & Coastal Services


Weather ready nation

Weather Ready Nation

  • Society is prepared for and responds to weather-dependent events

  • Goal: Improve weather decision services for events that threaten lives and livelihoods


Purpose

Purpose

  • Need accurate numerical analysis of fine scale weather phenomena

    • Improve real-time assessment of the current state of the atmosphere

    • Enable NWP for time scales of several hours

    • Improve the short range prediction of all types of high impact weather

  • Local Analysis and Prediction System (LAPS) is a tool to help us reach our goal


Laps applications

LAPS Applications

  • Enhancing situational awareness

    • Provides a more detailed assessment of the state of the atmosphere

  • Tool for improving short term forecasts

    • Assist in forecast verification and improve forecaster confidence

  • Improve understanding by NWS staff


Short term forecast applications

Short Term Forecast Applications

  • Severe Weather Analysis

    • Highlight convective potential and instability

  • Winter Weather Analysis

    • Real time wind analysis, quickly identify areas of Ageostrophic vertical circulations and frontogenesis

  • Atmospheric Rivers

    • Identify moisture trends, synoptic-forced systems

  • Assist in aviation forecasts, temperature trends, marine weather forecasts

  • Used in GFE to represent the observed conditions (eg., Sfc temp)

    • Diurnal T and Td grids can be generated from this grid for up to six hours


Laps anticipation of svr wx

LAPS – Anticipation of SVR WX

  • Used as a real-time situational forecasting tool

  • Highlight real-time severe weather trends

  • Increase forecaster awareness may lead to increase lead time

    • Note: Graphic from 2010 LAPS Conference, Role of LAPS in NWS


Any questions or comments

Any questions or Comments?


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