WSN05, 5-9 Sep.2005, Toulouse, France 1 Portable HRM Station Value Verification Package...
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Transcript of WSN05, 5-9 Sep.2005, Toulouse, France 1 Portable HRM Station Value Verification Package...
![Page 1: WSN05, 5-9 Sep.2005, Toulouse, France 1 Portable HRM Station Value Verification Package “ORMVERIF” Sultan Salim AL-Yahyai Fauzi Bader Al-Busaidi Khalid.](https://reader035.fdocuments.in/reader035/viewer/2022062805/5697c0131a28abf838cccfcd/html5/thumbnails/1.jpg)
WSN05, 5-9 Sep.2005, Toulouse, France 1
Portable HRM Station Value Verification Package “ORMVERIF”
Sultan Salim AL-YahyaiFauzi Bader Al-BusaidiKhalid Khamis Al-Jahwari
Directorate General of Civil Aviation and Meteorology, Sultanate of Oman
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WSN05, 5-9 Sep.2005, Toulouse, France 2
Location of Oman
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WSN05, 5-9 Sep.2005, Toulouse, France 3
Aim of the Project
MONITORING THE BEHAVIOR OF
THE MODELS
HIGHLIGHTS THE STRENTHS & WEAKMESSESOF THE MODELS
Try To TUNE THE MODEL
TO EVALUATE THE FORECASTS OF OMAN REGIONAL MODEL (ORM).
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WSN05, 5-9 Sep.2005, Toulouse, France 4
Design Issues
Stations Grouping Station with similar topographical features
Costal Station Actual Station height – model grid point height <= X m
Verification Scheme Most representative Grid
Point.
Interpolation of the surrounding Grid Points
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WSN05, 5-9 Sep.2005, Toulouse, France 5
Design Issues
T 2m ( C ) Max temp. 2m ( C ) Min Temp. 2m ( C ) TD 2m ( C ) MSL Pressure (hPa) FF 10m ( knots ) DD 10m (degrees).
Total Presp. Amount of low clouds DPD
Continuous Elements Categorical Elements
Elements to be verified
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WSN05, 5-9 Sep.2005, Toulouse, France 6
Design Issues
OBS
utc 00 12 00 12 00 12 00
day A-3 A-3 A-2 A-2 A-1 A-1 A
12h fct
24h fct
36h fct
48h fct
60h fct
72h fct0h
fct
Mo
del ru
n
Forecast Range to be verified
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WSN05, 5-9 Sep.2005, Toulouse, France 7
Design Issues
OBS Quality Control
1) Elements value thresholds
2) Comparing OBS with model first guess
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WSN05, 5-9 Sep.2005, Toulouse, France 8
Design Issues
Hit rate with a margin of error Bias Root Mean Squared Error
(RMSE):
OBS
YesNo
FCTYesab
Nocd
Hit rateProbability of detection(POD) False Alarm Rate (FAR)Threat Score (TS)Frequecy bias(FB)Heidke Skill Score ( HSS )
Continuous Elements Categorical Elements
Statistics to be used
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WSN05, 5-9 Sep.2005, Toulouse, France 9
Implementation
ormverif
NWP machine
DMO (FCT)
MOS
OBSMSS
Windows based
My SQL ODBC
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WSN05, 5-9 Sep.2005, Toulouse, France 10
Main Menu
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WSN05, 5-9 Sep.2005, Toulouse, France 11
Averaging Data Plotter
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WSN05, 5-9 Sep.2005, Toulouse, France 12
Table Viewer
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WSN05, 5-9 Sep.2005, Toulouse, France 13
Future Work
Implementing the Interpolation verif. Schema Superimposing the Results of the verif. For more than
one model Verifying the upper levels data Verifying the Wave Model
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WSN05, 5-9 Sep.2005, Toulouse, France 14
ORMVERIF Availability
Package available on request for WMO members: Brazilian navy, UAE Met., Vietnam met., malaysia met.
User Manual Tech. Documentation
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WSN05, 5-9 Sep.2005, Toulouse, France 15
Thank You