Appendix B
Operational Data Sources

Dataset

PI/Agency

Daily prep time, forecast period & time step

Data level/type or satellite channels

Data Format

On-line Catalog

Dataset Size

Comments

Models

FSU Model Output

Krishnamurti/

FSU

00 UTC

0-48 hr fcst

15 levels

ASCII, GIF

Yes

TBD

.7x.7 degree grid resolution

Fields: temp, rel hum, pres, height, winds, precip, cloud cover

AVN Model Output

JOSS

00, 12 UTC

0-72 fcst,

6 hrly

Sfc, 850,

700, 500,

200

GIF

GEMPAK

Yes

6.5mb/day (GIF)

23mb/day (GEMPAK)

Fields: temp, dewp, pres, height, winds, precip, omega

NOGAPS Model Output

FNMOC

00, 12 UTC

0-144 hr fcst,

6 hrly, 12 hrly

sfc, 1000, 975, 950, 925, 900, 850, 800, 700, 500, 200

GIF,

GEMPAK

(GRIB)

Yes

GEMPAK & GRIB: 30mb/ day ea, 8mb/ day (GIF)

1x1 degree grid resolution 35S-35N 40E-100E

Fields: temp, dewp, pres, height, winds, precip, omega, SST, waves, cloud cover

ECMWF Model Output

KNMI/Verver

12 UTC

0-144 hr fcst

sfc, 1000, 925, 850, 700, 500, 200

GRIB

Yes

15mb/day

1x1 degree grid resolution 35S-35N 40E-100E

Fields: temp, water vapor, pres, height, winds, precip, cloud cover

NMC/Eta

Nickovic/

ICoD

12 UTC

0-72 hr

sfc, 850

GIF

Yes

100kb/day

Predicted clouds and precip, sfc and 850 winds

Indian Met Ananlysis

Indian Met Dept.

TBD

TBD

TBD

TBD

TBD

Fields: temp, rel hum, winds, precip

In-situ Observations

Surface Observations

JOSS

6 hrly w/some hrly data

Sfc--synoptic, hourly, and ship reports

GIF,

GEMPAK

Yes

200kb/day (GIF) 10mb/day (GEMPAK)

 

Upper-Air Soundings

JOSS

00, 12 UTC

SkewTs

GIF,

GEMPAK

Yes

2.5mb/day

(GEMPAK)

Data collected from Indian Ocean Basin.

Upper-Air Constant Pres Plots

JOSS

00, 12 UTC

200, 500, 700, 850

GIF,

GEMPAK

Yes

150kb/day

Also GEMPAK format files available

 

 

Satellite

METEOSAT-5 Sat Imagery

JOSS

hrly

3 channels

GIF, TDF

Yes

TBD

Full disk to be archived directly in Malé.

Will also collect cloud winds

NOAA 12, 14, 15 Satellite Imagery

JOSS

2-4 passes

/sat/day

5 channels

GIF, TDF

Yes—limited

TBD

To be collected directly in Malé

Sea-WiFS Imagery

Porter/U of Hawaii

2-4 passes/ sat/day

TBD

TDF

Yes—limited

TBD

Radiance, optical thickness, pigment concentations

DMSP Imagery

CDC

2-4 passes/ sat/day

TBD

Binary, GIF

No

TBD

SSM/I data: rain, cloud water, precip water

Trajectories

MRF

NOAA/CMDL

once/day

TBD

ASCII, GIF

Yes

TBD

Forward

ECMWF

ECMWF

00 UTC

200, 500, 850, 950

ASCII, GIF

Yes

3mb/day

Forward and back

FSU

Krishnamurti/

FSU

00 UTC

200, 500, 850, 950

ASCII, GIF

Yes

56kb/day

Forward and back

FSU UV (850)

Krishnamurti/

FSU

00 UTC

850

ASCII, GIF

Yes

35kb/day

 
FSU UVRAIN (1000) models

Krishnamurti/

FSU

00 UTC

1000

ASCIIGIF

Yes

35kb/day

 

Other Specialized Products

Dust Plume forecast, Eta model

Dulac/LMCE

0900/1400

 

GIF

Yes

250kb/day

 

Dust Plume forecast, MATCH model

Rasch/NCAR

TBD

multiple levels

GIF

Yes

TBD

 

Radon forecast,

MATCH model

Rasch/NCAR

TBD

multiple levels

GIF

Yes

TBD

 

Sulfate aerosol forecast,

MATCH model

Rasch/NCAR

TBD

multiple levels

GIF

Yes

TBD

 

Regional Pollution tracer forecast,

MATCH model

Lawrence/

MPI

TBD

multiple levels

GIF

Yes

TBD

 

O3 Photo-chemistry forecast,

MATCH model

Lawrence/

MPI

TBD

multiple levels

GIF

Yes

TBD

 

AVN = Aviation Model (NCEP/USA) MRF = Medium Range Forecast Model (NCEP/U.S.A.)

NOGAPS = Navy Operational Global Automated Prediction System (U.S. Navy)