These charts show indices which indicate the susceptibility of the troposphere to support free convection. Typical values of the different indices depend on location and...

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This diagram shows time evolution of a Madden-Julian Oscillation (MJO) index. ...

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This chart shows probability information regarding lightning flash density derived from the ...

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This chart shows probability information regarding CAPE shear derived from the ECMWF ensemble ...

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This chart shows probability information regarding MUCAPE derived from the ECMWF ensemble (ENS) ...

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These charts show areas where anomalous CAPE are likely to occur.

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These charts show areas where anomalous CAPE Shear are likely to occur.

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This set of holdings provides access to surface marine meteorological weather reports and observations made by merchant
and naval ships, drifting buoys and other platforms and vessels over
the global ocean. Data have been collated and harmonised and quality control checks have been performed, but no attempt
has been made to assess or correct for potential biases.
Data are provided for a range of commonly observed variables.

calendar_today Interval/period: Tue, 01/01/1850 - Sat, 05/09/2026

MUCAPE (Most Unstable Convective Available Potential Energy) is an indicator of atmospheric instability (the susceptibility of the troposphere to support free convection) and...

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