{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:17:44.909195", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2020-Jul-31_to_2020-Aug-05_288.0_-3.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2020070003491}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "July 31 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 05 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 101880.37608795494}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Colombia", "Ecuador", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America", "America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -3.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 283.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-72.5, -2.75], [-72.25, -2.854], [-72.0, -2.75], [-71.75, -2.854], [-71.5, -2.75], [-70.97, -2.97], [-70.823, -3.323], [-70.75, -3.354], [-70.5, -3.25], [-70.25, -3.354], [-70.0, -3.25], [-69.47, -3.47], [-69.25, -4.0], [-69.47, -4.53], [-70.0, -4.75], [-70.25, -4.646], [-70.5, -4.75], [-70.75, -4.646], [-71.0, -4.75], [-71.53, -4.53], [-71.677, -4.177], [-71.75, -4.146], [-72.0, -4.25], [-72.25, -4.146], [-72.323, -4.177], [-72.47, -4.53], [-72.823, -4.677], [-72.97, -5.03], [-73.5, -5.25], [-74.03, -5.03], [-74.25, -4.5], [-74.146, -4.25], [-74.25, -4.0], [-74.043, -3.5], [-74.177, -3.177], [-74.302, -3.125], [-74.47, -3.53], [-74.823, -3.677], [-74.97, -4.03], [-75.5, -4.25], [-75.75, -4.146], [-76.0, -4.25], [-76.53, -4.03], [-76.75, -3.5], [-76.646, -3.25], [-76.75, -3.0], [-76.646, -2.75], [-76.75, -2.5], [-76.625, -2.198], [-77.03, -2.03], [-77.25, -1.5], [-77.146, -1.25], [-77.25, -1.0], [-77.03, -0.47], [-76.5, -0.25], [-76.25, -0.354], [-76.0, -0.25], [-75.75, -0.354], [-75.5, -0.25], [-75.25, -0.354], [-75.0, -0.25], [-74.47, -0.47], [-74.323, -0.823], [-73.97, -0.97], [-73.823, -1.323], [-73.47, -1.47], [-73.25, -2.0], [-73.354, -2.25], [-73.323, -2.323], [-72.97, -2.47], [-72.823, -2.823], [-72.75, -2.854], [-72.5, -2.75]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-31T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-72.75, -3.5], [-72.53033008588989, -2.9696699141100895], [-72.0, -2.75], [-71.46966991411011, -2.9696699141100895], [-71.25, -3.5], [-71.46966991411011, -4.0303300858899105], [-72.0, -4.25], [-72.53033008588989, -4.0303300858899105], [-72.75, -3.5]]]}, "2020-08-01T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-72.25, -4.146446609406722], [-72.5, -4.25], [-73.03033008588989, -4.0303300858899105], [-73.25, -3.5], [-73.03033008588989, -2.9696699141100895], [-72.5, -2.75], [-72.25, -2.8535533905932784], [-72.0, -2.75], [-71.46966991411011, -2.9696699141100895], [-71.25, -3.5], [-71.46966991411011, -4.0303300858899105], [-72.0, -4.25], [-72.25, -4.146446609406722]]]}, "2020-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.5, -4.25], [-73.03033008588989, -4.0303300858899105], [-73.25, -3.5], [-73.03033008588989, -2.9696699141100895], [-72.5, -2.75], [-72.25, -2.8535533905932784], [-72.0, -2.75], [-71.46966991411011, -2.9696699141100895], [-71.25, -3.5], [-71.46966991411011, -4.0303300858899105], [-72.0, -4.25], [-72.25, -4.146446609406722], [-72.5, -4.25]]], [[[-77.25, -1.0], [-77.03033008588989, -0.4696699141100894], [-76.5, -0.25], [-76.25, -0.35355339059327845], [-76.0, -0.25], [-75.75, -0.35355339059327845], [-75.5, -0.25], [-75.25, -0.35355339059327845], [-75.0, -0.25], [-74.46966991411011, -0.4696699141100893], [-74.32322330470339, -0.8232233047033631], [-73.96966991411011, -0.9696699141100893], [-73.82322330470339, -1.323223304703363], [-73.46966991411011, -1.4696699141100893], [-73.25, -2.0], [-73.35355339059328, -2.25], [-73.25, -2.5], [-73.46966991411011, -3.0303300858899105], [-74.0, -3.25], [-74.53033008588989, -3.0303300858899105], [-74.67677669529661, -2.676776695296637], [-74.75, -2.6464466094067216], [-74.875, -2.698223304703366], [-74.75, -3.0], [-74.85355339059328, -3.25], [-74.75, -3.5], [-74.96966991411011, -4.0303300858899105], [-75.5, -4.25], [-75.75, -4.146446609406722], [-76.0, -4.25], [-76.53033008588989, -4.0303300858899105], [-76.75, -3.5], [-76.64644660940672, -3.25], [-76.75, -3.0], [-76.64644660940672, -2.75], [-76.75, -2.5], [-76.625, -2.198223304703366], [-77.03033008588989, -2.0303300858899105], [-77.25, -1.5], [-77.14644660940672, -1.25], [-77.25, -1.0]]]]}, "2020-08-03T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-77.14644660940672, -1.25], [-77.25, -1.0], [-77.03033008588989, -0.4696699141100894], [-76.5, -0.25], [-76.25, -0.35355339059327845], [-76.0, -0.25], [-75.75, -0.35355339059327845], [-75.5, -0.25], [-75.25, -0.35355339059327845], [-75.0, -0.25], [-74.46966991411011, -0.4696699141100893], [-74.32322330470339, -0.8232233047033631], [-73.96966991411011, -0.9696699141100893], [-73.82322330470339, -1.323223304703363], [-73.46966991411011, -1.4696699141100893], [-73.25, -2.0], [-73.35355339059328, -2.25], [-73.32322330470339, -2.323223304703363], [-72.96966991411011, -2.4696699141100895], [-72.82322330470339, -2.823223304703363], [-72.75, -2.8535533905932784], [-72.5, -2.75], [-72.25, -2.8535533905932784], [-72.0, -2.75], [-71.75, -2.8535533905932784], [-71.5, -2.75], [-70.96966991411011, -2.9696699141100895], [-70.82322330470339, -3.323223304703363], [-70.75, -3.3535533905932784], [-70.5, -3.25], [-70.25, -3.3535533905932784], [-70.0, -3.25], [-69.46966991411011, -3.4696699141100895], [-69.25, -4.0], [-69.46966991411011, -4.5303300858899105], [-70.0, -4.75], [-70.25, -4.646446609406722], [-70.5, -4.75], [-70.75, -4.646446609406722], [-71.0, -4.75], [-71.53033008588989, -4.5303300858899105], [-71.67677669529661, -4.1767766952966365], [-71.75, -4.146446609406722], [-72.0, -4.25], [-72.25, -4.146446609406722], [-72.32322330470339, -4.1767766952966365], [-72.46966991411011, -4.5303300858899105], [-72.82322330470339, -4.6767766952966365], [-72.96966991411011, -5.0303300858899105], [-73.5, -5.25], [-74.03033008588989, -5.0303300858899105], [-74.25, -4.5], [-74.14644660940672, -4.25], [-74.25, -4.0], [-74.04289321881345, -3.5], [-74.17677669529661, -3.176776695296637], [-74.30177669529667, -3.124999999999993], [-74.46966991411011, -3.5303300858899105], [-74.82322330470339, -3.676776695296637], [-74.96966991411011, -4.0303300858899105], [-75.5, -4.25], [-75.75, -4.146446609406722], [-76.0, -4.25], [-76.53033008588989, -4.0303300858899105], [-76.75, -3.5], [-76.64644660940672, -3.25], [-76.75, -3.0], [-76.64644660940672, -2.75], [-76.75, -2.5], [-76.625, -2.198223304703366], [-77.03033008588989, -2.0303300858899105], [-77.25, -1.5], [-77.14644660940672, -1.25]]]}, "2020-08-04T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-77.14644660940672, -1.25], [-77.25, -1.0], [-77.03033008588989, -0.4696699141100894], [-76.5, -0.25], [-76.25, -0.35355339059327845], [-76.0, -0.25], [-75.75, -0.35355339059327845], [-75.5, -0.25], [-75.25, -0.35355339059327845], [-75.0, -0.25], [-74.46966991411011, -0.4696699141100893], [-74.32322330470339, -0.8232233047033631], [-73.96966991411011, -0.9696699141100893], [-73.82322330470339, -1.323223304703363], [-73.46966991411011, -1.4696699141100893], [-73.25, -2.0], [-73.35355339059328, -2.25], [-73.32322330470339, -2.323223304703363], [-72.96966991411011, -2.4696699141100895], [-72.82322330470339, -2.823223304703363], [-72.75, -2.8535533905932784], [-72.5, -2.75], [-72.25, -2.8535533905932784], [-72.0, -2.75], [-71.75, -2.8535533905932784], [-71.5, -2.75], [-70.96966991411011, -2.9696699141100895], [-70.82322330470339, -3.323223304703363], [-70.75, -3.3535533905932784], [-70.5, -3.25], [-70.25, -3.3535533905932784], [-70.0, -3.25], [-69.46966991411011, -3.4696699141100895], [-69.25, -4.0], [-69.46966991411011, -4.5303300858899105], [-70.0, -4.75], [-70.25, -4.646446609406722], [-70.5, -4.75], [-70.75, -4.646446609406722], [-71.0, -4.75], [-71.53033008588989, -4.5303300858899105], [-71.67677669529661, -4.1767766952966365], [-71.75, -4.146446609406722], [-72.0, -4.25], [-72.25, -4.146446609406722], [-72.32322330470339, -4.1767766952966365], [-72.46966991411011, -4.5303300858899105], [-72.82322330470339, -4.6767766952966365], [-72.96966991411011, -5.0303300858899105], [-73.5, -5.25], [-74.03033008588989, -5.0303300858899105], [-74.25, -4.5], [-74.14644660940672, -4.25], [-74.25, -4.0], [-74.04289321881345, -3.5], [-74.17677669529661, -3.176776695296637], [-74.30177669529667, -3.124999999999993], [-74.46966991411011, -3.5303300858899105], [-74.82322330470339, -3.676776695296637], [-74.96966991411011, -4.0303300858899105], [-75.5, -4.25], [-75.75, -4.146446609406722], [-76.0, -4.25], [-76.53033008588989, -4.0303300858899105], [-76.75, -3.5], [-76.64644660940672, -3.25], [-76.75, -3.0], [-76.64644660940672, -2.75], [-76.75, -2.5], [-76.625, -2.198223304703366], [-77.03033008588989, -2.0303300858899105], [-77.25, -1.5], [-77.14644660940672, -1.25]]]}, "2020-08-05T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-76.17677669529661, -2.323223304703363], [-76.14644660940672, -2.25], [-76.25, -2.0], [-76.03033008588989, -1.4696699141100895], [-75.5, -1.25], [-75.25, -1.3535533905932784], [-75.0, -1.25], [-74.75, -1.3535533905932784], [-74.5, -1.25], [-74.25, -1.3535533905932784], [-74.0, -1.25], [-73.46966991411011, -1.4696699141100893], [-73.25, -2.0], [-73.35355339059328, -2.25], [-73.32322330470339, -2.323223304703363], [-72.96966991411011, -2.4696699141100895], [-72.82322330470339, -2.823223304703363], [-72.75, -2.8535533905932784], [-72.5, -2.75], [-72.25, -2.8535533905932784], [-72.0, -2.75], [-71.75, -2.8535533905932784], [-71.5, -2.75], [-70.96966991411011, -2.9696699141100895], [-70.82322330470339, -3.323223304703363], [-70.75, -3.3535533905932784], [-70.5, -3.25], [-70.25, -3.3535533905932784], [-70.0, -3.25], [-69.46966991411011, -3.4696699141100895], [-69.25, -4.0], [-69.46966991411011, -4.5303300858899105], [-70.0, -4.75], [-70.25, -4.646446609406722], [-70.5, -4.75], [-70.75, -4.646446609406722], [-71.0, -4.75], [-71.53033008588989, -4.5303300858899105], [-71.67677669529661, -4.1767766952966365], [-71.75, -4.146446609406722], [-72.0, -4.25], [-72.25, -4.146446609406722], [-72.32322330470339, -4.1767766952966365], [-72.46966991411011, -4.5303300858899105], [-72.82322330470339, -4.6767766952966365], [-72.96966991411011, -5.0303300858899105], [-73.5, -5.25], [-74.03033008588989, -5.0303300858899105], [-74.25, -4.5], [-74.14644660940672, -4.25], [-74.25, -4.0], [-74.04289321881345, -3.5], [-74.17677669529661, -3.176776695296637], [-74.30177669529667, -3.124999999999993], [-74.46966991411011, -3.5303300858899105], [-75.0, -3.75], [-75.25, -3.6464466094067216], [-75.5, -3.75], [-75.75, -3.6464466094067216], [-76.0, -3.75], [-76.53033008588989, -3.5303300858899105], [-76.75, -3.0], [-76.53033008588989, -2.4696699141100895], [-76.17677669529661, -2.323223304703363]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1563770262071102}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5266724166320491}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.495250875654392, 26.674500668990447, 25.974610301974167, 26.21411387092536, 26.31967782441035, 26.575484463876364]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.495250875654392, 26.717614044814525, 26.692682006153575, 27.26910080031263, 27.37744334705212, 27.60522775342332]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2096109113160765, 1.3354667062051249, 1.4386984511657601, 1.4813686378955226, 1.571086871881114, 1.6451628885645169]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2096109113160765, 1.3459469235676806, 1.6833723512923484, 1.8591552609025257, 2.0742597780467804, 2.1563770262071102]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1824598915743414, 1.3050874772897683, 1.4182513006352822, 1.4274764570387006, 1.5396800164834892, 1.570375397242538]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1824598915743414, 1.3184686004326838, 1.6848957629682868, 1.801790040685843, 2.087233177439927, 2.1192260412594908]}}