Satellite means of detecting and monitoring the mesoscale convective complex

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Abstract

The possibility of increasing the accuracy of rainfall intensity retrieval based on space observations of atmospheric mesoscale convective complexes (MCC) is considered. It is shown that guaranteed detection of MCC requires complex observation of the Earth’s atmosphere in the IR and microwave ranges. The analysis showed that quasi-synchronous measurements from geostationary platforms in the IR range and observations from polar-orbital platforms in the microwave range are necessary to improve the retrieval accuracy. The method developed based on the analysis of MCC characteristics and capabilities of modern remote sensing satellite systems provides high time resolution of the MCC detection and monitoring system. The accuracy estimates of such quasi-synchronous measurements for currently existing sources of space information are obtained.

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About the authors

V. P. Savorskiy

Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences

Author for correspondence.
Email: savor@inbox.ru

Fryazino branch

Russian Federation, Vvedenslogo square, 1, Fryazino, Moscow region, 141190

A. P. Chernushich

Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences

Email: savor@inbox.ru

Fryazino branch

Russian Federation, Vvedenslogo square, 1, Fryazino, Moscow region, 141190

O. Yu. Panova

Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences

Email: savor@inbox.ru

Fryazino branch

Russian Federation, Vvedenslogo square, 1, Fryazino, Moscow region, 141190

O. O. Kuznetsov

Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences

Email: savor@inbox.ru

Fryazino branch

Russian Federation, Vvedenslogo square, 1, Fryazino, Moscow region, 141190

References

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Supplementary files

Supplementary Files
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1. JATS XML
2. Fig. 1. Dynamics of precipitation zone development on the Black Sea coast of the Caucasus from May 13 to May 15, 2023: a) May 13, 23:00 UTM, b) May 14, 11:00 UTM, c) May 14, 17:00 UTM, d) May 14, 23:00 UTM, d) May 15, 11:00 UTM.

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3. Fig. 2. Radio brightness temperatures (in K) in the 89 GHz microwave radiometric channel (horizontal polarization), 03.04.2023; AMSR-2 microwave radiometric complex (JAXA GCOM-W1 satellite); 32A orbit.

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4. Fig. 3. IR brightness temperatures in the 10.8 µm channel of the SEVIRI equipment (Eumetsat MSG-11), 03.04.2023 10:00 GMT; the oval highlights the area with extremely low values ​​of brightness temperatures in the IR channel of the 10.8 µm range.

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5. Fig. 4. Daily observation zones of the AMSR-2 microwave radiometric complex (JAXA GCOM-W1), 03.04.2023. Light numbers are the satellite orbit numbers.

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