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On the Use of CloudSat and MODIS Data for Estimating Hurricane Intensity

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6 Author(s)
Zhengzhao Luo ; Dept. of Earth & Atmos. Sci., City Coll. of New York, New York, NY ; Stephens, G.L. ; Emanuel, K.A. ; Vane, D.G.
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This letter presents preliminary results concerning the use of new observations from the A-Train Constellation for testing a new technique of remotely sensing hurricane intensity from space based on modeling a hurricane as a balanced, convectively neutral vortex. The key observational requirements are simultaneous, accurate measurements of cloud-top height, cloudtop temperature, and cloud profiling information across the center of the storm, although there are ways to bypass the need for cloud-top temperature. In this letter, the Moderate Resolution Imaging Spectroradiometer onboard Aqua provides an estimation of the cloud-top temperature, and the near-simultaneous CloudSat observations provide the essential cloud-top height and cloud profiling information. Initial results indicate that the new technique is a promising method for estimating storm intensity when compared post facto to the best track database. Potential uncertainties and room for further refinement of the technique are discussed.

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Geoscience and Remote Sensing Letters, IEEE  (Volume:5 ,  Issue: 1 )