# Can sensible heat be directed from surface to atmosphere even when ground temperature is lower than atmospheric

**URL:** <https://forum.ecmwf.int/t/can-sensible-heat-be-directed-from-surface-to-atmosphere-even-when-ground-temperature-is-lower-than-atmospheric/11678>\
**Category:** C3S - Datasets and Usage\
**Created:** [28 February 2025 14:18 UTC](https://forum.ecmwf.int/t/can-sensible-heat-be-directed-from-surface-to-atmosphere-even-when-ground-temperature-is-lower-than-atmospheric/11678 "2025-02-28T14:18:50Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Ghazar\_Muzaffar1](https://forum.ecmwf.int/letter_avatar_proxy/v4/letter/g/8491ac/32.png) [@Ghazar\_Muzaffar1](https://forum.ecmwf.int/u/Ghazar_Muzaffar1)\
**Post date:** [28 February 2025 14:18 UTC](https://forum.ecmwf.int/t/can-sensible-heat-be-directed-from-surface-to-atmosphere-even-when-ground-temperature-is-lower-than-atmospheric/11678/1 "2025-02-28T14:18:51Z")

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From the dataset I am seeing that for the same time step when Ts\<Ta I am seeing upward sensible heat fluxes in ERA5 dataset.