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Table of contents

8 July 2003 Eta Upgrade

Topics

Eta-12 Change Package - 27 November 2001

Recent Changes to Eta-12

Changes Planned for Fall 2002

Planned Changes to Eta-12

Planned Changes to Eta-12 (Ferrier)

Slide 8

Slide 9

Sample Total Cloud Cover

Slide 11

Surface Temperature Response

Planned Changes to Eta-12 (Parrish)

Slide 14

Sample Distribution of Processed 88D Radial Velocity Data

Slide 16

Slide 17

Planned Changes to Eta-12 (Ying Lin)

Slide 19

Sample Cloud Top Pressure Field

NWS RFC’s All but AKRFC & NWRFC are used in Stage IV

Impact of Use of Cloud-Top on 24 hr QPF Scores

12 Hour Upper-air Verification: RH, T, Z & Wind At longer-ranges, impact is smaller but still positive

Slide 24

Hourly Output to 36 hours

Land-Surface Fields Added to Eta Post

Air Quality Fields Required from the Eta Post

Air Quality Fields Required to be ADDED to the Eta Post

Table 2&3 Fields Added to the Eta Post by Ferrier

Table 129 Fields Added to the Eta Post by Ferrier

Examples of the various hydrometeor fields now postable from the Eta

More examples of fields postable from Eta

Baldwin Type versus Precip Type Direct from Model

PowerPoint Presentation

Slide 35

Slide 36

Additional Changes to the Eta Post

Slide 38

External Evaluation

HPC Feedback (Pete Manousos)

AWC Feedback (Fred Mosher)

Forecaster Feedback (Bill Nichols, Davenport, Iowa)

Eta vs Etax for 4 June 2003

Bundle Verification Results 24hr QPF

Bundle Verification Results Sfc RH

Bundle Verification Results Upper-Air

Slide 47

Author: Geoff DiMego

E-mail: geoff.dimego@noaa.gov

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