Mesoscale Eta model testing

evaluation results for spring 2001 change package:

1. PRECIPITATION THREAT AND BIAS SCORES

2. UPPER AIR STATISTICS

3. INDIVIDUAL CASE STUDIES


time periods, model versions:

Spring 2001 parallel: 23 May 2001 (12Z) -> present, Operational Eta (ETA) vs Eta model with spring 2001 changes (ETAX), 48-km

Cold season: 01 February 2001 (00Z) -> 05 March 2001 (00Z), Eta control (ETA) vs Eta model with spring 2001 changes (ETAP), 22-km

Warm season: 12 August 2000 (12Z) -> 12 September 2000 (12Z), Eta control (CTL) vs Eta model with spring 2001 changes (ETAP), 22-km


1. SPRING 2001 ETA CHANGE PACKAGE: PRECIPITATION THREAT AND BIAS SCORES

CONUS, 24-60 hour forecasts

Spring 2001 parallel

Cold season: Feb 2001

Warm season: Aug-Sep 2000

Eastern US, 24-60 hour forecasts

Spring 2001 parallel

Cold season: Feb 2001

Warm season: Aug-Sep 2000

Western US, 24-60 hour forecasts

Spring 2001 parallel

Cold season: Feb 2001

Warm season: Aug-Sep 2000


2. SPRING 2001 ETA CHANGE PACKAGE: UPPER AIR RMS STATISTICS
CONUS vector wind RMS error
Spring 2001 parallel
Cold season: Feb 2001
Warm season: Aug-Sep 2000
CONUS temperature RMS error
Spring 2001 parallel
Cold season: Feb 2001
Warm season: Aug-Sep 2000
CONUS RMS relative humidity error
Spring 2001 parallel
Cold season: Feb 2001
Warm season: Aug-Sep 2000
CONUS RMS height error
Spring 2001 parallel
Cold season: Feb 2001
Warm season: Aug-Sep 2000
Alaska vector wind RMS error
Spring 2001 parallel
Cold season: Feb 2001
Warm season: Aug-Sep 2000
Alaska temperature RMS error
Spring 2001 parallel
Cold season: Feb 2001
Warm season: Aug-Sep 2000
Alaska RMS relative humidity error
Spring 2001 parallel
Cold season: Feb 2001
Warm season: Aug-Sep 2000
Alaska RMS height error
Spring 2001 parallel
Cold season: Feb 2001
Warm season: Aug-Sep 2000


3. Spring 2001 changes in Eta : INDIVIDUAL CASE STUDIES

00Z 16 AUG 2000

12Z 29 DEC 2000

12Z 08 FEB 2001

00Z 15 FEB 2001

00Z 03 MAR 2001


4. Link to surface verifications for full bundle

Surface statistics


5. Links for tests of individual components

Precipitation assimilation statistics

New 3DVAR analysis statistics

Land-surface model statistics

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PRIVACY / COLLECTION OF INFORMATION STATEMENT