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Anomaly Correlations computed from 90S to 90N Control AIRS - PowerPoint PPT Presentation

Dec 25, 2022 •96 likes •378 views

Anomaly Correlations computed from 90S to 90N Control AIRS clear-sky radiances AIRS cloudy retrievals USED REJECTED There are simply NO DATA accepted by the DAS in the area where NARGIS developes, because the measurements are in cloudy areas.

  6. Anomaly Correlations computed from 90S to 90N

  9. Control AIRS clear-sky radiances AIRS cloudy retrievals

  11. USED REJECTED There are simply NO DATA accepted by the DAS in the area where NARGIS developes, because the measurements are in cloudy areas.

  14. Slp RAD analysis (contour) RAD slp impact (shaded) X: observed Helene position 300 hPa Temp Impact (ret minus Control, shaded) And slp impact (contour) Slp RET analysis (contour) AIRS TIGHT RET produces a PERFECT RETRIEVALS slp impact (shaded) position for Helene and a deeper storm

  15. Comparison Of 36-h Forecasts of AIRS TIGHT RET (lower left) with AIRS RAD (upper right) Forecasts from Analysis in which AIRS TIGHT RET are assimilated improve Helene’s Formation as a hurricane (12z 16Sep). Improvement is minimal in RAD case

  17. RAD slp analysis (contour) And difference from CNTRL.. Negative impact From assimilation of clear-sky Radiances. 400 hPa AIRS RET-induced Temp anomaly (shaded) And impact on slp (contour) AIRS RET improves location and intensity also at AIRS RET slp analysis (contour) subsequent times; FORECASTS from the improved and difference from CNTRL (shaded) analyses are much superior.

  18. 800 hpa relative humidity, sea level pressure (hPa) RADIANCE CNTRL NCEP RETRIEVALS Operational Display an Analyses, Eye-like Very poor feature

  19. Radiances: very poor structure: Retrievals: Realistic 2-band Two unconnected convective systems structure comparing well with without a deep circulation satellite Retrievals Much Radiances higher Very weak (100%) System, low Vorticity Vorticity

  20. OBS CNTRL AIRS RAD AIRS RET

  23. Primary Peak of Precip precip Second Maximum Peak of Precip precip Maximum Maximum Flood Maximum Severity Flood Severity

  24. Underestim. Prec Peak Precip Peak SW of Peshawar The precip SW of Peshawar Improves of 60% As a consequence Of AIRS retrievals ingestion

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