1 / 36

Bureau of Meteorology GOES-9 AMVs Generation and Assimilation

Bureau of Meteorology GOES-9 AMVs Generation and Assimilation. GMS‑5 channels Channel Wavelength ID Range Resolution VIS 0.5 - 1.0 µm 1.25 km IR1 10.2 - 11.4 µm 5 km IR2 10.9 - 12.2 µm 5 km IR3 6.7 - 7.2 µm 5 km. GOES-9 IMAGER.

lula
Download Presentation

Bureau of Meteorology GOES-9 AMVs Generation and Assimilation

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Bureau of Meteorology GOES-9 AMVs Generation and Assimilation

  2. GMS‑5 channels Channel Wavelength ID Range Resolution VIS 0.5 - 1.0 µm 1.25 km IR1 10.2 - 11.4 µm 5 km IR2 10.9 - 12.2 µm 5 km IR3 6.7 - 7.2 µm 5 km

  3. GOES-9 IMAGER

  4. TRANSITION PLAN FROM GMS-5 TO MTSAT/EO-3 GOES-9 Eo-3/GIFTS

  5. ATMOSPHERIC MOTION VECTORS Image Navigation Target Selection Target Tracking Height Assignment Quality Control and Error Estimation

  6. Bureau of Meteorology GOES-9 Ch.4 AMVs Features tracked in Ch.4 images Height assignment High lvl using Ch.4/Ch.3, low lvl Ch.4 cld base. Assimilation RT in LAPS375 (June 2003 – 30 cases).

  7. Table 1Real time schedule for GOES‑9 Atmospheric Motion Vectors at the Bureau of Meteorology Sub‑satellite image resolution, frequency and time of wind extraction and separations of the image triplets used for wind generation (ΔT) are indicated.

  8. Table 1   Mean Magnitude of Vector Difference (MMVD) between GOES‑9 AMVs and radiosondes winds within 150 km in the Australian Region for 9 June to 30 June 2003

  9. Quality Control Oper1 (ERR)       Correlation between images U acceleration V acceleration U deviation from first guess V deviation from first guess Cloud height check

  10. Quality Indicator (QI)       Direction consistency (pair)       Speed consistency (pair)       Vector consistency (pair)       Spatial Consistency       Forecast Consistency QI = ∑wi.QVi/∑wi

  11. EE provides RMS Error (RMS) Estimated from U acceleration V acceleration U deviation from first guess V deviation from first guess Shear Speed…

  12. Recursive Filter Flag (RFF : 0 – 100) Determined by final fit of vector to recursive filter analysis

  13. NASA NOAA Navy and BoM Partnership GIFTS/IOMI Enables Improved Global Weather Prediction Data to Naval Centers/ Fleet Demo Data to NOAA Centers Australian Ground Station & Data Processing Center Conus “1” Conus “2” Indian Ocean “3” Inter-Agency/International Cooperation Department of Commerce/NOAA DoD/Space Test Program Bureau of Meteorology Australia

  14. GIFTS Allows The Trade of Coverage & Spectral Resolution Global Disk Sounding: 360 Steps Spectral Resolution: 18cm-1 Low Noise Sounding: 36 Steps Global Disk Imaging: 422 Steps Spectral Resolution: 0.6cm-1 Spectral Resolution: 36cm-1 Sounding Regional: 144 Steps < 1/2 Hr (imagery < 5 min) < 1 Hr Spectral Resolution: 0.6cm-1 < 1/2 Hr < 10 Min

  15. NAST-I Demonstration of GIFTS Water Vapor Feature Sensitivity 300 Mb 500 Mb 850 Mb CART-Site CART-Site CART-Site

  16. The business of looking down is looking up

More Related