{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:42.097812", "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-Feb-23_to_2020-Feb-28_282.0_-7.0"}, "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": 2020020002394}, "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 23 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 28 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": 153040.09840078212}, "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": ["Ecuador", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -7.0}, "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": 282.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "282.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 281.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 286.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-73.47, -10.97], [-73.25, -11.5], [-73.47, -12.03], [-73.823, -12.177], [-73.97, -12.53], [-74.323, -12.677], [-74.47, -13.03], [-75.0, -13.25], [-75.53, -13.03], [-75.677, -12.677], [-76.03, -12.53], [-76.177, -12.177], [-76.53, -12.03], [-76.677, -11.677], [-77.03, -11.53], [-77.25, -11.0], [-77.146, -10.75], [-77.177, -10.677], [-77.53, -10.53], [-77.75, -10.0], [-77.646, -9.75], [-77.677, -9.677], [-78.03, -9.53], [-78.25, -9.0], [-78.146, -8.75], [-78.177, -8.677], [-78.53, -8.53], [-78.75, -8.0], [-78.646, -7.75], [-78.75, -7.5], [-78.646, -7.25], [-78.75, -7.0], [-78.646, -6.75], [-78.677, -6.677], [-79.03, -6.53], [-79.177, -6.177], [-79.53, -6.03], [-79.75, -5.5], [-79.646, -5.25], [-79.75, -5.0], [-79.646, -4.75], [-79.75, -4.5], [-79.646, -4.25], [-79.75, -4.0], [-79.53, -3.47], [-79.0, -3.25], [-78.75, -3.354], [-78.5, -3.25], [-77.97, -3.47], [-77.823, -3.823], [-77.75, -3.854], [-77.5, -3.75], [-77.25, -3.854], [-77.0, -3.75], [-76.47, -3.97], [-76.323, -4.323], [-76.25, -4.354], [-76.0, -4.25], [-75.47, -4.47], [-75.25, -5.0], [-75.354, -5.25], [-75.25, -5.5], [-75.354, -5.75], [-75.25, -6.0], [-75.47, -6.53], [-76.0, -6.75], [-76.25, -6.646], [-76.5, -6.75], [-76.75, -6.646], [-76.823, -6.677], [-76.957, -7.0], [-76.75, -7.5], [-76.854, -7.75], [-76.823, -7.823], [-76.47, -7.97], [-76.25, -8.5], [-76.354, -8.75], [-76.323, -8.823], [-75.97, -8.97], [-75.823, -9.323], [-75.47, -9.47], [-75.25, -10.0], [-75.354, -10.25], [-75.25, -10.5], [-75.354, -10.75], [-75.323, -10.823], [-74.97, -10.97], [-74.823, -11.323], [-74.75, -11.354], [-74.677, -11.323], [-74.53, -10.97], [-74.0, -10.75], [-73.47, -10.97]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-23T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-78.64644660940672, -7.75], [-78.75, -7.5], [-78.64644660940672, -7.25], [-78.75, -7.0], [-78.53033008588989, -6.4696699141100895], [-78.0, -6.25], [-77.46966991411011, -6.4696699141100895], [-77.32322330470339, -6.8232233047033635], [-76.96966991411011, -6.9696699141100895], [-76.75, -7.5], [-76.85355339059328, -7.75], [-76.82322330470339, -7.8232233047033635], [-76.46966991411011, -7.9696699141100895], [-76.25, -8.5], [-76.35355339059328, -8.75], [-76.32322330470339, -8.823223304703363], [-75.96966991411011, -8.969669914110089], [-75.82322330470339, -9.323223304703363], [-75.46966991411011, -9.469669914110089], [-75.25, -10.0], [-75.35355339059328, -10.25], [-75.25, -10.5], [-75.35355339059328, -10.75], [-75.32322330470339, -10.823223304703363], [-74.96966991411011, -10.969669914110089], [-74.82322330470339, -11.323223304703363], [-74.75, -11.353553390593278], [-74.5, -11.25], [-73.96966991411011, -11.469669914110089], [-73.75, -12.0], [-73.96966991411011, -12.530330085889911], [-74.32322330470339, -12.676776695296637], [-74.46966991411011, -13.030330085889911], [-75.0, -13.25], [-75.53033008588989, -13.030330085889911], [-75.67677669529661, -12.676776695296637], [-76.03033008588989, -12.530330085889911], [-76.17677669529661, -12.176776695296637], [-76.53033008588989, -12.030330085889911], [-76.67677669529661, -11.676776695296637], [-77.03033008588989, -11.530330085889911], [-77.25, -11.0], [-77.14644660940672, -10.75], [-77.17677669529661, -10.676776695296637], [-77.53033008588989, -10.530330085889911], [-77.75, -10.0], [-77.64644660940672, -9.75], [-77.67677669529661, -9.676776695296637], [-78.03033008588989, -9.530330085889911], [-78.25, -9.0], [-78.14644660940672, -8.75], [-78.17677669529661, -8.676776695296637], [-78.53033008588989, -8.530330085889911], [-78.75, -8.0], [-78.64644660940672, -7.75]]]}, "2020-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.75, -7.5], [-78.64644660940672, -7.25], [-78.75, -7.0], [-78.53033008588989, -6.4696699141100895], [-78.0, -6.25], [-77.46966991411011, -6.4696699141100895], [-77.32322330470339, -6.8232233047033635], [-76.96966991411011, -6.9696699141100895], [-76.75, -7.5], [-76.85355339059328, -7.75], [-76.82322330470339, -7.8232233047033635], [-76.46966991411011, -7.9696699141100895], [-76.25, -8.5], [-76.35355339059328, -8.75], [-76.32322330470339, -8.823223304703363], [-75.96966991411011, -8.969669914110089], [-75.82322330470339, -9.323223304703363], [-75.46966991411011, -9.469669914110089], [-75.25, -10.0], [-75.35355339059328, -10.25], [-75.25, -10.5], [-75.35355339059328, -10.75], [-75.32322330470339, -10.823223304703363], [-74.96966991411011, -10.969669914110089], [-74.82322330470339, -11.323223304703363], [-74.75, -11.353553390593278], [-74.67677669529661, -11.323223304703363], [-74.53033008588989, -10.969669914110089], [-74.0, -10.75], [-73.46966991411011, -10.969669914110089], [-73.25, -11.5], [-73.46966991411011, -12.030330085889911], [-73.82322330470339, -12.176776695296637], [-73.96966991411011, -12.530330085889911], [-74.32322330470339, -12.676776695296637], [-74.46966991411011, -13.030330085889911], [-75.0, -13.25], [-75.53033008588989, -13.030330085889911], [-75.67677669529661, -12.676776695296637], [-76.03033008588989, -12.530330085889911], [-76.17677669529661, -12.176776695296637], [-76.53033008588989, -12.030330085889911], [-76.67677669529661, -11.676776695296637], [-77.03033008588989, -11.530330085889911], [-77.25, -11.0], [-77.14644660940672, -10.75], [-77.17677669529661, -10.676776695296637], [-77.53033008588989, -10.530330085889911], [-77.75, -10.0], [-77.64644660940672, -9.75], [-77.67677669529661, -9.676776695296637], [-78.03033008588989, -9.530330085889911], [-78.25, -9.0], [-78.14644660940672, -8.75], [-78.17677669529661, -8.676776695296637], [-78.53033008588989, -8.530330085889911], [-78.75, -8.0], [-78.64644660940672, -7.75], [-78.75, -7.5]]], [[[-78.5, -5.25], [-79.03033008588989, -5.0303300858899105], [-79.25, -4.5], [-79.03033008588989, -3.9696699141100895], [-78.5, -3.75], [-78.25, -3.8535533905932784], [-78.0, -3.75], [-77.75, -3.8535533905932784], [-77.5, -3.75], [-76.96966991411011, -3.9696699141100895], [-76.82322330470339, -4.3232233047033635], [-76.75, -4.353553390593278], [-76.5, -4.25], [-76.25, -4.353553390593278], [-76.0, -4.25], [-75.46966991411011, -4.4696699141100895], [-75.25, -5.0], [-75.35355339059328, -5.25], [-75.25, -5.5], [-75.35355339059328, -5.75], [-75.25, -6.0], [-75.46966991411011, -6.5303300858899105], [-76.0, -6.75], [-76.25, -6.646446609406722], [-76.5, -6.75], [-77.03033008588989, -6.5303300858899105], [-77.25, -6.0], [-77.125, -5.698223304703366], [-77.25, -5.646446609406722], [-77.5, -5.75], [-78.03033008588989, -5.5303300858899105], [-78.17677669529661, -5.1767766952966365], [-78.25, -5.146446609406722], [-78.5, -5.25]]]]}, "2020-02-25T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-79.64644660940672, -5.25], [-79.75, -5.0], [-79.64644660940672, -4.75], [-79.75, -4.5], [-79.64644660940672, -4.25], [-79.75, -4.0], [-79.53033008588989, -3.4696699141100895], [-79.0, -3.25], [-78.75, -3.3535533905932784], [-78.5, -3.25], [-77.96966991411011, -3.4696699141100895], [-77.82322330470339, -3.823223304703363], [-77.75, -3.8535533905932784], [-77.5, -3.75], [-77.25, -3.8535533905932784], [-77.0, -3.75], [-76.46966991411011, -3.9696699141100895], [-76.32322330470339, -4.3232233047033635], [-76.25, -4.353553390593278], [-76.0, -4.25], [-75.46966991411011, -4.4696699141100895], [-75.25, -5.0], [-75.35355339059328, -5.25], [-75.25, -5.5], [-75.35355339059328, -5.75], [-75.25, -6.0], [-75.46966991411011, -6.5303300858899105], [-76.0, -6.75], [-76.25, -6.646446609406722], [-76.5, -6.75], [-76.75, -6.646446609406722], [-76.82322330470339, -6.6767766952966365], [-76.95710678118655, -7.0], [-76.75, -7.5], [-76.85355339059328, -7.75], [-76.82322330470339, -7.8232233047033635], [-76.46966991411011, -7.9696699141100895], [-76.25, -8.5], [-76.35355339059328, -8.75], [-76.32322330470339, -8.823223304703363], [-75.96966991411011, -8.969669914110089], [-75.82322330470339, -9.323223304703363], [-75.46966991411011, -9.469669914110089], [-75.25, -10.0], [-75.35355339059328, -10.25], [-75.25, -10.5], [-75.35355339059328, -10.75], [-75.32322330470339, -10.823223304703363], [-74.96966991411011, -10.969669914110089], [-74.82322330470339, -11.323223304703363], [-74.75, -11.353553390593278], [-74.67677669529661, -11.323223304703363], [-74.53033008588989, -10.969669914110089], [-74.0, -10.75], [-73.46966991411011, -10.969669914110089], [-73.25, -11.5], [-73.46966991411011, -12.030330085889911], [-73.82322330470339, -12.176776695296637], [-73.96966991411011, -12.530330085889911], [-74.32322330470339, -12.676776695296637], [-74.46966991411011, -13.030330085889911], [-75.0, -13.25], [-75.53033008588989, -13.030330085889911], [-75.67677669529661, -12.676776695296637], [-76.03033008588989, -12.530330085889911], [-76.17677669529661, -12.176776695296637], [-76.53033008588989, -12.030330085889911], [-76.67677669529661, -11.676776695296637], [-77.03033008588989, -11.530330085889911], [-77.25, -11.0], [-77.14644660940672, -10.75], [-77.17677669529661, -10.676776695296637], [-77.53033008588989, -10.530330085889911], [-77.75, -10.0], [-77.64644660940672, -9.75], [-77.67677669529661, -9.676776695296637], [-78.03033008588989, -9.530330085889911], [-78.25, -9.0], [-78.14644660940672, -8.75], [-78.17677669529661, -8.676776695296637], [-78.53033008588989, -8.530330085889911], [-78.75, -8.0], [-78.64644660940672, -7.75], [-78.75, -7.5], [-78.64644660940672, -7.25], [-78.75, -7.0], [-78.64644660940672, -6.75], [-78.67677669529661, -6.6767766952966365], [-79.03033008588989, -6.5303300858899105], [-79.17677669529661, -6.1767766952966365], [-79.53033008588989, -6.0303300858899105], [-79.75, -5.5], [-79.64644660940672, -5.25]]]}, "2020-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.46966991411011, -12.030330085889911], [-74.0, -12.25], [-74.53033008588989, -12.030330085889911], [-74.75, -11.5], [-74.53033008588989, -10.969669914110089], [-74.0, -10.75], [-73.46966991411011, -10.969669914110089], [-73.25, -11.5], [-73.46966991411011, -12.030330085889911]]], [[[-79.75, -5.0], [-79.64644660940672, -4.75], [-79.75, -4.5], [-79.64644660940672, -4.25], [-79.75, -4.0], [-79.53033008588989, -3.4696699141100895], [-79.0, -3.25], [-78.75, -3.3535533905932784], [-78.5, -3.25], [-77.96966991411011, -3.4696699141100895], [-77.82322330470339, -3.823223304703363], [-77.75, -3.8535533905932784], [-77.5, -3.75], [-77.25, -3.8535533905932784], [-77.0, -3.75], [-76.46966991411011, -3.9696699141100895], [-76.32322330470339, -4.3232233047033635], [-76.25, -4.353553390593278], [-76.0, -4.25], [-75.46966991411011, -4.4696699141100895], [-75.25, -5.0], [-75.35355339059328, -5.25], [-75.25, -5.5], [-75.35355339059328, -5.75], [-75.25, -6.0], [-75.46966991411011, -6.5303300858899105], [-76.0, -6.75], [-76.25, -6.646446609406722], [-76.5, -6.75], [-76.75, -6.646446609406722], [-76.82322330470339, -6.6767766952966365], [-76.95710678118655, -7.0], [-76.75, -7.5], [-76.85355339059328, -7.75], [-76.82322330470339, -7.8232233047033635], [-76.46966991411011, -7.9696699141100895], [-76.25, -8.5], [-76.46966991411011, -9.030330085889911], [-77.0, -9.25], [-77.53033008588989, -9.030330085889911], [-77.67677669529661, -8.676776695296637], [-78.03033008588989, -8.530330085889911], [-78.17677669529661, -8.176776695296637], [-78.53033008588989, -8.030330085889911], [-78.75, -7.5], [-78.64644660940672, -7.25], [-78.75, -7.0], [-78.64644660940672, -6.75], [-78.67677669529661, -6.6767766952966365], [-79.03033008588989, -6.5303300858899105], [-79.17677669529661, -6.1767766952966365], [-79.53033008588989, -6.0303300858899105], [-79.75, -5.5], [-79.64644660940672, -5.25], [-79.75, -5.0]]]]}, "2020-02-27T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-79.64644660940672, -5.25], [-79.75, -5.0], [-79.64644660940672, -4.75], [-79.75, -4.5], [-79.64644660940672, -4.25], [-79.75, -4.0], [-79.53033008588989, -3.4696699141100895], [-79.0, -3.25], [-78.75, -3.3535533905932784], [-78.5, -3.25], [-77.96966991411011, -3.4696699141100895], [-77.82322330470339, -3.823223304703363], [-77.75, -3.8535533905932784], [-77.5, -3.75], [-77.25, -3.8535533905932784], [-77.0, -3.75], [-76.46966991411011, -3.9696699141100895], [-76.25, -4.5], [-76.35355339059328, -4.75], [-76.25, -5.0], [-76.35355339059328, -5.25], [-76.25, -5.5], [-76.35355339059328, -5.75], [-76.25, -6.0], [-76.46966991411011, -6.5303300858899105], [-76.82322330470339, -6.6767766952966365], [-76.96966991411011, -7.0303300858899105], [-77.32322330470339, -7.1767766952966365], [-77.46966991411011, -7.5303300858899105], [-78.0, -7.75], [-78.53033008588989, -7.5303300858899105], [-78.75, -7.0], [-78.64644660940672, -6.75], [-78.67677669529661, -6.6767766952966365], [-79.03033008588989, -6.5303300858899105], [-79.17677669529661, -6.1767766952966365], [-79.53033008588989, -6.0303300858899105], [-79.75, -5.5], [-79.64644660940672, -5.25]]]}, "2020-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.46966991411011, -6.5303300858899105], [-78.0, -6.75], [-78.53033008588989, -6.5303300858899105], [-78.75, -6.0], [-78.53033008588989, -5.4696699141100895], [-78.0, -5.25], [-77.46966991411011, -5.4696699141100895], [-77.25, -6.0], [-77.46966991411011, -6.5303300858899105]]], [[[-77.96966991411011, -4.5303300858899105], [-78.5, -4.75], [-79.03033008588989, -4.5303300858899105], [-79.25, -4.0], [-79.03033008588989, -3.4696699141100895], [-78.5, -3.25], [-77.96966991411011, -3.4696699141100895], [-77.75, -4.0], [-77.96966991411011, -4.5303300858899105]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.236280661838464}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8932049542255847}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.467794538842043, 15.660310436593136, 17.22843213312035, 22.07804477926919, 21.55097533325352, 18.482013790782048]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.203252144518217, 27.975258615553855, 28.46778338315329, 28.96058026388397, 28.008524445851663, 20.91956920656088]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8129858603449662, 1.9961685547618735, 1.943189721484523, 2.1007267342431093, 1.4573363642630175, 1.1643844942698252]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6309668574944567, 3.236280661838464, 2.5659045513915544, 2.749712846865748, 2.299512157558297, 1.2077124744188836]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8151105260360103, 1.9887725922650519, 2.03271411352201, 2.3453272563058065, 1.655867337166584, 1.4456706275617637]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7591854175614223, 3.4333371906049317, 2.5865323246656313, 3.1732192672358006, 2.5347260210238463, 1.5476445276488513]}}