{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:20:01.122440", "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-Dec-11_to_2020-Dec-14_105.0_-2.0"}, "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": 2020120002085}, "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": "December 11 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 14 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 80331.66054930509}, "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": ["Indonesia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["South China Sea"]}, "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": -2.0}, "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": 105.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "105.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 101.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 106.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[101.5, 0.25], [101.75, 0.146], [102.0, 0.25], [102.53, 0.03], [102.75, -0.5], [102.646, -0.75], [102.677, -0.823], [102.75, -0.854], [103.0, -0.75], [103.25, -0.854], [103.323, -0.823], [103.354, -0.75], [103.354, -0.749], [103.25, -0.5], [103.47, 0.03], [104.0, 0.25], [104.53, 0.03], [104.677, -0.323], [104.75, -0.354], [105.0, -0.25], [105.53, -0.47], [105.75, -1.0], [105.646, -1.25], [105.677, -1.323], [106.03, -1.47], [106.25, -2.0], [106.146, -2.25], [106.177, -2.323], [106.53, -2.47], [106.75, -3.0], [106.53, -3.53], [106.0, -3.75], [105.47, -3.53], [105.323, -3.177], [104.97, -3.03], [104.823, -2.677], [104.774, -2.656], [104.75, -2.646], [104.5, -2.75], [104.0, -2.543], [103.677, -2.677], [103.53, -3.03], [103.0, -3.25], [102.75, -3.146], [102.5, -3.25], [101.97, -3.03], [101.823, -2.677], [101.47, -2.53], [101.25, -2.0], [101.354, -1.75], [101.323, -1.677], [100.97, -1.53], [100.75, -1.0], [100.854, -0.75], [100.75, -0.5], [100.97, 0.03], [101.5, 0.25]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-12-11T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[100.85355339059328, -0.75], [100.75, -0.5], [100.96966991411009, 0.030330085889910596], [101.5, 0.25], [101.75, 0.14644660940672707], [102.0, 0.25], [102.53033008588991, 0.030330085889910707], [102.75, -0.5], [102.64644660940672, -0.75], [102.67677669529664, -0.8232233047033631], [102.75, -0.853553390593273], [103.0, -0.75], [103.25, -0.853553390593273], [103.32322330470336, -0.8232233047033631], [103.35355339059328, -0.75], [103.25, -0.5], [103.46966991411009, 0.030330085889910596], [104.0, 0.25], [104.53033008588991, 0.030330085889910707], [104.67677669529664, -0.3232233047033631], [104.75, -0.3535533905932729], [105.0, -0.25], [105.53033008588991, -0.4696699141100893], [105.75, -1.0], [105.64644660940672, -1.25], [105.67677669529664, -1.323223304703363], [106.03033008588991, -1.4696699141100893], [106.25, -2.0], [106.14644660940672, -2.25], [106.17677669529664, -2.323223304703363], [106.53033008588991, -2.4696699141100895], [106.75, -3.0], [106.53033008588991, -3.5303300858899105], [106.0, -3.75], [105.46966991411009, -3.5303300858899105], [105.32322330470336, -3.176776695296637], [104.96966991411009, -3.0303300858899105], [104.82322330470336, -2.676776695296637], [104.75, -2.646446609406727], [104.5, -2.75], [104.0, -2.542893218813454], [103.5, -2.75], [103.25, -2.646446609406727], [103.17677669529664, -2.676776695296637], [103.03033008588991, -3.0303300858899105], [102.5, -3.25], [101.96966991411009, -3.0303300858899105], [101.82322330470336, -2.676776695296637], [101.46966991411009, -2.5303300858899105], [101.25, -2.0], [101.35355339059328, -1.75], [101.32322330470336, -1.676776695296637], [100.96966991411009, -1.5303300858899107], [100.75, -1.0], [100.85355339059328, -0.75]]]}, "2020-12-12T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[100.85355339059328, -0.75], [100.75, -0.5], [100.96966991411009, 0.030330085889910596], [101.5, 0.25], [101.75, 0.14644660940672707], [102.0, 0.25], [102.53033008588991, 0.030330085889910707], [102.75, -0.5], [102.64644660940672, -0.75], [102.67677669529664, -0.8232233047033631], [102.75, -0.853553390593273], [103.0, -0.75], [103.25, -0.853553390593273], [103.32322330470336, -0.8232233047033631], [103.35355339059328, -0.75], [103.25, -0.5], [103.46966991411009, 0.030330085889910596], [104.0, 0.25], [104.53033008588991, 0.030330085889910707], [104.67677669529664, -0.3232233047033631], [104.75, -0.3535533905932729], [105.0, -0.25], [105.53033008588991, -0.4696699141100893], [105.75, -1.0], [105.64644660940672, -1.25], [105.67677669529664, -1.323223304703363], [106.03033008588991, -1.4696699141100893], [106.25, -2.0], [106.14644660940672, -2.25], [106.17677669529664, -2.323223304703363], [106.53033008588991, -2.4696699141100895], [106.75, -3.0], [106.53033008588991, -3.5303300858899105], [106.0, -3.75], [105.46966991411009, -3.5303300858899105], [105.32322330470336, -3.176776695296637], [104.96966991411009, -3.0303300858899105], [104.82322330470336, -2.676776695296637], [104.75, -2.646446609406727], [104.5, -2.75], [104.0, -2.542893218813454], [103.67677669529664, -2.676776695296637], [103.53033008588991, -3.0303300858899105], [103.0, -3.25], [102.75, -3.146446609406727], [102.5, -3.25], [101.96966991411009, -3.0303300858899105], [101.82322330470336, -2.676776695296637], [101.46966991411009, -2.5303300858899105], [101.25, -2.0], [101.35355339059328, -1.75], [101.32322330470336, -1.676776695296637], [100.96966991411009, -1.5303300858899107], [100.75, -1.0], [100.85355339059328, -0.75]]]}, "2020-12-13T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[100.85355339059328, -0.75], [100.75, -0.5], [100.96966991411009, 0.030330085889910596], [101.5, 0.25], [101.75, 0.14644660940672707], [102.0, 0.25], [102.53033008588991, 0.030330085889910707], [102.75, -0.5], [102.64644660940672, -0.75], [102.67677669529664, -0.8232233047033631], [102.75, -0.853553390593273], [103.0, -0.75], [103.25, -0.853553390593273], [103.32322330470336, -0.8232233047033631], [103.35355339059328, -0.75], [103.25, -0.5], [103.46966991411009, 0.030330085889910596], [104.0, 0.25], [104.53033008588991, 0.030330085889910707], [104.67677669529664, -0.3232233047033631], [104.75, -0.3535533905932729], [105.0, -0.25], [105.53033008588991, -0.4696699141100893], [105.75, -1.0], [105.64644660940672, -1.25], [105.67677669529664, -1.323223304703363], [106.03033008588991, -1.4696699141100893], [106.25, -2.0], [106.14644660940672, -2.25], [106.17677669529664, -2.323223304703363], [106.53033008588991, -2.4696699141100895], [106.75, -3.0], [106.53033008588991, -3.5303300858899105], [106.0, -3.75], [105.46966991411009, -3.5303300858899105], [105.32322330470336, -3.176776695296637], [104.96966991411009, -3.0303300858899105], [104.82322330470336, -2.676776695296637], [104.75, -2.646446609406727], [104.5, -2.75], [104.0, -2.542893218813454], [103.67677669529664, -2.676776695296637], [103.53033008588991, -3.0303300858899105], [103.0, -3.25], [102.75, -3.146446609406727], [102.5, -3.25], [101.96966991411009, -3.0303300858899105], [101.82322330470336, -2.676776695296637], [101.46966991411009, -2.5303300858899105], [101.25, -2.0], [101.35355339059328, -1.75], [101.32322330470336, -1.676776695296637], [100.96966991411009, -1.5303300858899107], [100.75, -1.0], [100.85355339059328, -0.75]]]}, "2020-12-14T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[100.85355339059328, -0.75], [100.75, -0.5], [100.96966991411009, 0.030330085889910596], [101.5, 0.25], [101.75, 0.14644660940672707], [102.0, 0.25], [102.53033008588991, 0.030330085889910707], [102.75, -0.5], [102.64644660940672, -0.75], [102.67677669529664, -0.8232233047033631], [102.75, -0.853553390593273], [103.0, -0.75], [103.25, -0.853553390593273], [103.32322330470336, -0.8232233047033631], [103.46966991411009, -0.4696699141100894], [104.0, -0.25], [104.25, -0.3535533905932729], [104.5, -0.25], [104.75, -0.3535533905932729], [105.0, -0.25], [105.53033008588991, -0.4696699141100893], [105.75, -1.0], [105.64644660940672, -1.25], [105.75, -1.5], [105.64644660940672, -1.75], [105.75, -2.0], [105.53033008588991, -2.5303300858899105], [105.0, -2.75], [104.46966991411009, -2.5303300858899105], [104.32322330470336, -2.176776695296637], [104.25, -2.146446609406727], [104.0, -2.25], [103.75, -2.146446609406727], [103.67677669529664, -2.176776695296637], [103.64644660940672, -2.25], [103.75, -2.5], [103.53033008588991, -3.0303300858899105], [103.0, -3.25], [102.46966991411009, -3.0303300858899105], [102.25, -2.5], [102.35355339059328, -2.25], [102.32322330470336, -2.176776695296637], [101.96966991411009, -2.0303300858899105], [101.82322330470336, -1.676776695296637], [101.75, -1.6464466094067272], [101.5, -1.75], [100.96966991411009, -1.5303300858899107], [100.75, -1.0], [100.85355339059328, -0.75]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8863730042412499}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2734219956588368}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.57936459589081, 27.420962185175824, 27.622565932167618, 27.60907340980515]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.24590633701763, 27.921986071172682, 28.335396623928034, 27.866004777280807]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3096801974835308, 1.1396984861512816, 1.3515578413357945, 1.3070985090324747]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7295301574467885, 1.6018674187739634, 1.8026803016892927, 1.8863730042412499]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9476208159687058, 1.6467826486487656, 1.9276013424105831, 1.7831384406963093]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.798295145577812, 2.0934647701718894, 2.397535935458189, 2.1709619692673114]}}