WRF EMS Utilizing SPoRT Data Sets at NWS Huntsville…

The latest version of the Advanced Research WRF (WRF EMS v3.4.1) is up and running at NWS Huntsville.  While we still have some adjustments to make, which primarily involve getting ALL of the desired forecast parameters into AWIPS II…the data are mostly available (example shown in image 1).  One of the primary advantages of outputting data to AWIPS II is the ability to overlay multiple fiorecast parameters (image 1), and to include other data sets such as regional METARs.  This can provide forecasters with the ability to make quick qualitative and quantative analysis of the model’s performance with real-time data sets.

Image 1.  HUN local WRF EMS nested 3km domain displayed in AWIPS II.  Shown are surface dewpoints (F, image), surface wind streamlines (knots, white lines), mean sea-level pressure (mb, yellow lines), and METAR plots valid 1500 UTC 14 Aug 2013.  This is the 3 hour forecast data from the 1200 UTC "SPoRT" model run.

Image 1. WFO HUN local WRF EMS nested 3km domain displayed in AWIPS II. Shown are surface dewpoints (F, color image), surface wind streamlines (knots, white lines), mean sea-level pressure (mb, yellow lines), and METAR plots valid at 1500 UTC 14 Aug 2013. Note that these are 3 hour forecast data from the 1200 UTC “SPoRT” model run.

Our office IT has created a new data viewer as well, which has some great features: capable of displaying data/imagery from archived model runs, can automatically generate animated .gifs, allows switching between the SPoRT and control models for quick, qualitative analysis between the two model runs.

Image 2.  New HUN WRF EMS Viewer. Data shown are 3km inner domain 3-hour forecast 2 m temperatures valid 1500 UTC 14 August 2013.

Image 2. New HUN WRF EMS Viewer. Data shown are 2m temperatures valid 1500 UTC 14 August 2013, from the 3km nested 1200 UTC SPoRT model run.

The HUN office is involved in a collaborative effort with SPoRT, configuring our local model to use MODIS-derived data (GVF, SSTs,) and the SPoRT Land Information System (land surface model) in our operational run.  A control model is also being run on the same system, using standard NAM and other climatological data sets in place of the SPoRT related data sets.  SPoRT is providing an updated version of the Meteorological Evaluation Tools (MET) which will make objective, quantitative analysis and verification of the model runs possible.  It is expected that the more representative, higher resolution SPoRT related data sets will translate to better overall accuracy of forecast parameters in the SPoRT model run vs those of the control run when compared with real-world in-situ observations.  We will be running the MET for specific events and perhaps to determine and compare longer term biases between the two model runs over the remaining summer and the upcoming fall/winter.

3 thoughts on “WRF EMS Utilizing SPoRT Data Sets at NWS Huntsville…

  1. Hi Rob. Unfortunately, not yet. But, I have that planned for the future. Keep checking back with us as I’ll make that known and post about it once it’s available. Thanks for your interest!

  2. Thanks for the update on the status of your EMS activities. Glad to see that you are able to use the SPoRT modeling datasets in your forecasts. I’m looking forward to getting MET up and running at your office to get some quantitative information on the impacts of SPoRT data on your local forecasts.

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