Journal article Open Access

Extreme Precipitation Events over North-Western Europe: getting water from the tropics.

Enrico Scoccimarro; Silvio Gualdi; Simon O. Krichak

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{
"DOI": "10.4401/ag-7772",
"author": [
{
"family": "Enrico Scoccimarro"
},
{
"family": "Silvio Gualdi"
},
{
"family": "Simon O. Krichak"
}
],
"issued": {
"date-parts": [
[
2018,
10,
31
]
]
},
"abstract": "<p>Our capability to adapt to extreme precipitation events is linked to our skill in predicting their magnitude and timing. Synoptic features<br>\n(such as Atmospheric Rivers) developing over the North Atlantic Ocean are known as the source of the majority of water vapour transport<br>\ninto European mid-latitudes, and are associated with episodes of heavy and prolonged rainfall over UK and north western Europe.<br>\nThus, a better understanding of the North Atlantic atmospheric conditions prior the occurrence of extreme precipitation events over Europe<br>\ncould help in improving our capability to predict them. We build on atmospheric re-analyses at high spatial resolution, on a daily<br>\ntime scale, to highlight the anomalous path of the vertically integrated water content, transferring water from the western tropical North<br>\nAtlantic to high latitudes and fuelling the storms developing in the North Atlantic sector, bound to affect Europe as responsible for the<br>\nmost intense precipitation events. The systematic link between anomalous north-eastward transport of vertically integrated water (precipitable<br>\nwater) from the western North Atlantic and anomalously high pressure patterns in the central North Atlantic, developing 5 days<br>\nprior the extreme precipitation occurrence, suggest the central North Atlantic surface pressure as a potential precursor of extreme precipitation<br>\nevents.</p>",
"title": "Extreme Precipitation Events over North-Western Europe: getting water from the tropics.",
"type": "article-journal",
"id": "3402843"
}
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