{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:22:33.242532", "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": "2021-Feb-11_to_2021-Feb-13_293.5_0.5"}, "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": 2021020001702}, "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": "February 11 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 13 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 71085.37589007075}, "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": ["Brazil", "Colombia", "Venezuela, Bolivarian Republic of"]}, "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": 0.5}, "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": 293.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-68.53, 0.03], [-68.0, 0.25], [-67.75, 0.146], [-67.677, 0.177], [-67.543, 0.5], [-67.677, 0.823], [-68.03, 0.97], [-68.25, 1.5], [-68.03, 2.03], [-67.5, 2.25], [-67.25, 2.146], [-67.0, 2.25], [-66.75, 2.146], [-66.5, 2.25], [-65.97, 2.03], [-65.75, 1.5], [-65.854, 1.25], [-65.823, 1.177], [-65.47, 1.03], [-65.323, 0.677], [-64.97, 0.53], [-64.75, 0.0], [-64.97, -0.53], [-65.323, -0.677], [-65.354, -0.75], [-65.25, -1.0], [-65.47, -1.53], [-65.823, -1.677], [-65.97, -2.03], [-66.5, -2.25], [-66.75, -2.146], [-67.0, -2.25], [-67.53, -2.03], [-67.677, -1.677], [-67.75, -1.646], [-68.0, -1.75], [-68.53, -1.53], [-68.75, -1.0], [-68.646, -0.75], [-68.75, -0.5], [-68.53, 0.03]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-02-11T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-68.64644660940672, -0.75], [-68.75, -0.5], [-68.53033008588989, 0.030330085889910596], [-68.0, 0.25], [-67.75, 0.14644660940672152], [-67.67677669529661, 0.17677669529663687], [-67.54289321881345, 0.49999999999999994], [-67.67677669529661, 0.8232233047033631], [-68.03033008588989, 0.9696699141100893], [-68.25, 1.5], [-68.03033008588989, 2.0303300858899105], [-67.5, 2.25], [-67.25, 2.1464466094067216], [-67.0, 2.25], [-66.75, 2.1464466094067216], [-66.5, 2.25], [-65.96966991411011, 2.0303300858899105], [-65.75, 1.5], [-65.85355339059328, 1.25], [-65.82322330470339, 1.176776695296637], [-65.46966991411011, 1.0303300858899107], [-65.32322330470339, 0.6767766952966369], [-64.96966991411011, 0.5303300858899107], [-64.75, 0.0], [-64.96966991411011, -0.5303300858899106], [-65.32322330470339, -0.6767766952966369], [-65.35355339059328, -0.75], [-65.25, -1.0], [-65.46966991411011, -1.5303300858899105], [-65.82322330470339, -1.6767766952966368], [-65.96966991411011, -2.0303300858899105], [-66.5, -2.25], [-66.75, -2.1464466094067216], [-67.0, -2.25], [-67.53033008588989, -2.0303300858899105], [-67.67677669529661, -1.676776695296637], [-67.75, -1.6464466094067216], [-68.0, -1.75], [-68.53033008588989, -1.5303300858899107], [-68.75, -1.0], [-68.64644660940672, -0.75]]]}, "2021-02-12T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-68.64644660940672, -0.75], [-68.75, -0.5], [-68.53033008588989, 0.030330085889910596], [-68.0, 0.25], [-67.75, 0.14644660940672152], [-67.67677669529661, 0.17677669529663687], [-67.54289321881345, 0.49999999999999994], [-67.67677669529661, 0.8232233047033631], [-68.03033008588989, 0.9696699141100893], [-68.25, 1.5], [-68.03033008588989, 2.0303300858899105], [-67.5, 2.25], [-67.25, 2.1464466094067216], [-67.0, 2.25], [-66.75, 2.1464466094067216], [-66.5, 2.25], [-65.96966991411011, 2.0303300858899105], [-65.75, 1.5], [-65.85355339059328, 1.25], [-65.82322330470339, 1.176776695296637], [-65.46966991411011, 1.0303300858899107], [-65.32322330470339, 0.6767766952966369], [-64.96966991411011, 0.5303300858899107], [-64.75, 0.0], [-64.96966991411011, -0.5303300858899106], [-65.32322330470339, -0.6767766952966369], [-65.35355339059328, -0.75], [-65.25, -1.0], [-65.46966991411011, -1.5303300858899105], [-65.82322330470339, -1.6767766952966368], [-65.96966991411011, -2.0303300858899105], [-66.5, -2.25], [-66.75, -2.1464466094067216], [-67.0, -2.25], [-67.53033008588989, -2.0303300858899105], [-67.67677669529661, -1.676776695296637], [-67.75, -1.6464466094067216], [-68.0, -1.75], [-68.53033008588989, -1.5303300858899107], [-68.75, -1.0], [-68.64644660940672, -0.75]]]}, "2021-02-13T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-68.64644660940672, -0.75], [-68.75, -0.5], [-68.53033008588989, 0.030330085889910596], [-68.0, 0.25], [-67.75, 0.14644660940672152], [-67.67677669529661, 0.17677669529663687], [-67.54289321881345, 0.49999999999999994], [-67.67677669529661, 0.8232233047033631], [-68.03033008588989, 0.9696699141100893], [-68.25, 1.5], [-68.03033008588989, 2.0303300858899105], [-67.5, 2.25], [-67.25, 2.1464466094067216], [-67.0, 2.25], [-66.75, 2.1464466094067216], [-66.5, 2.25], [-65.96966991411011, 2.0303300858899105], [-65.75, 1.5], [-65.85355339059328, 1.25], [-65.82322330470339, 1.176776695296637], [-65.46966991411011, 1.0303300858899107], [-65.32322330470339, 0.6767766952966369], [-64.96966991411011, 0.5303300858899107], [-64.75, 0.0], [-64.96966991411011, -0.5303300858899106], [-65.32322330470339, -0.6767766952966369], [-65.35355339059328, -0.75], [-65.25, -1.0], [-65.46966991411011, -1.5303300858899105], [-65.82322330470339, -1.6767766952966368], [-65.96966991411011, -2.0303300858899105], [-66.5, -2.25], [-66.75, -2.1464466094067216], [-67.0, -2.25], [-67.53033008588989, -2.0303300858899105], [-67.67677669529661, -1.676776695296637], [-67.75, -1.6464466094067216], [-68.0, -1.75], [-68.53033008588989, -1.5303300858899107], [-68.75, -1.0], [-68.64644660940672, -0.75]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.215947694094382}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8535508252066606}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.798905478137783, 27.771340706355545, 27.720677770306395]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.273286914042046, 28.18875052009537, 28.289291054608555]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8957684242662096, 1.8694949651082953, 1.795389086245477]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.215947694094382, 2.142656292259744, 2.1925158870059818]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8079273234687145, 1.792974690541527, 1.6822604006679156]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.194883747600133, 2.0747215917682005, 1.9197029154444456]}}