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Unit 9: Using AWIPS in the forecast process Instructional Component 9.1.9 Anticipating Mesoscale Band Formation in Winter Storms David Novak, Jeff Waldstreicher, Lance Bosart, Daniel Keyser 1) Introduction The training session is organized as follows: INTRODUCTION: Describes how band formation affects quantitative precipitation forecasts. CLIMATOLOGY: Provides climatological background of banding by describing observed band types, lifetimes, movement, and location within winter storms. FORCING MECHANISMS: Reviews deformation, frontogenesis, and stability concepts, with focus on the relation between stability and the frontogenetical response. SYNOPTIC CONTEXT: Places frontogenetical forcing in the context of cyclone evolution, with emphasis on the discriminating synoptic and mesoscale features of banded and nonbanded precipitation systems. Conceptual models of banded and nonbanded systems will also be presented. FORECAST STRATEGY: Presents forecast strategy placing band formation in the context of cyclogenesis, deformation, frontogenetical forcing, and stability. APPLICATION: Exercises forecast strategy through interactive case examples of banded and nonbanded systems. 2) Prerequisites This is an basic course. 3) Teletraining Installation Instructions 4) Training Session Options: B.) Web-based training session - a "stand alone" version viewed via a Web browser, with embedded talking points included. This lesson version may be viewed at any time. These slides are ideal for printing from the web-browser, just print preview first to choose portrait or landscape mode. Best viewed with Internet Explorer or Netscape (prior to version 6). C.) Web-based Visitview session - This version uses the VISITview software within a Web browser, may be viewed at any time. It retains all the functionality of the VISITview software which you see in a "live" teletraining session. The talking points are not included in this lesson version, but can be viewed in a separate Web browser (or printed out beforehand). D.) Web-based video training session. E.) Audio playback - This VISITview file contains recorded audio and annotations and can be taken at anytime. Certificates of completion for NOAA employees can be obtained through your Science Operation Officer or training point of contact. For detailed information on how to view the recorded session click here. You may either request a DVD (with all VISIT audio playback files) OR download the file (see instructions below): Create a directory to download the audio playback file (it is about 25 MB in size) from one of the following sites: ftp://rammftp.cira.colostate.edu/bikos/audio/banding_audio.zip OR ftp://ftp.ssec.wisc.edu/visit/audio/banding_audio.zip After extracting the files from the zip archive into that directory click on the visitauto.bat file to start the lesson. 5) References/Additional Links
"Mesoscale Snowband Cross Section Procedure", AWIPS Technical Note 5.0-42 http://www.werh.noaa.gov/ssd/erps/atn/atn5_0-42.pdf University at Albany Collaborative Science Technology and Applied Research project web page http://cstar.cestm.albany.edu/ Novak, D. R., J. S. Waldstreicher, L. F. Bosart, and D. Keyser, 2004: A forecast strategy for anticipating cold season mesoscale band formation within developing extratropical cyclones. Preprints 20th Conference on Weather Analysis and Forecasting. Seattle, Amer. Meteor. Soc., paper 8.1. ftp://ftp.cira.colostate.edu/lindsey/banding_ams04.pdf Novak, D. R., L. F. Bosart, D. Keyser, and J. S. Waldstreicher, 2002: A climatological and composite study of cold season banded precipitation in the northeast United States. Preprints 19th Conference on Weather Analysis and Forecasting. San Antonio, Amer. Meteor. Soc. http://cstar.cestm.albany.edu/preprints/novakWAF.pdf Novak, D. R., and R. S. W. Horwood, 2002: Analysis of mesoscale banded features in the 5–6 February 2001 New England snowstorm. Preprints 19th Conference on Weather Analysis and Forecasting, San Antonio, Amer. Meteor. Soc. http://www.atmos.albany.edu/student/dnovak/preprints/poster.pdf WDTB Winter Weather Workshop presentation by Pete Banacos (SPC): http://wdtb.noaa.gov/workshop/WinterWxIII/Presentations/FRONTOGE.PPT 6) Train the trainer
7) Content developed/updated
Dave Novak (631) 244-0134 |
