{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:25:56.838838", "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-Jun-27_to_2021-Jun-29_141.5_-4.0"}, "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": 2021060003082}, "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": "June 27 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 29 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": 67875.3473033153}, "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", "Papua New Guinea"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Oceania"]}, "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": -4.0}, "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": 141.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "141.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 139.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 142.0}, "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": -2.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[138.47, -2.47], [138.823, -2.323], [138.97, -1.97], [139.5, -1.75], [139.75, -1.854], [140.0, -1.75], [140.53, -1.97], [140.677, -2.323], [140.75, -2.354], [141.0, -2.25], [141.25, -2.354], [141.5, -2.25], [142.03, -2.47], [142.177, -2.823], [142.53, -2.97], [142.75, -3.5], [142.646, -3.75], [142.75, -4.0], [142.646, -4.25], [142.75, -4.5], [142.53, -5.03], [142.0, -5.25], [141.75, -5.146], [141.5, -5.25], [140.97, -5.03], [140.823, -4.677], [140.75, -4.646], [140.5, -4.75], [140.0, -4.543], [139.5, -4.75], [138.97, -4.53], [138.823, -4.177], [138.47, -4.03], [138.25, -3.5], [138.354, -3.25], [138.25, -3.0], [138.47, -2.47]]]}}, "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": {"2021-06-27T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[138.35355339059328, -3.25], [138.25, -3.0], [138.46966991411009, -2.4696699141100895], [138.82322330470336, -2.323223304703363], [138.96966991411009, -1.9696699141100895], [139.5, -1.75], [139.75, -1.8535533905932728], [140.0, -1.75], [140.53033008588991, -1.9696699141100893], [140.67677669529664, -2.323223304703363], [140.75, -2.353553390593273], [141.0, -2.25], [141.25, -2.353553390593273], [141.5, -2.25], [142.03033008588991, -2.4696699141100895], [142.17677669529664, -2.823223304703363], [142.53033008588991, -2.9696699141100895], [142.75, -3.5], [142.64644660940672, -3.75], [142.75, -4.0], [142.64644660940672, -4.25], [142.75, -4.5], [142.53033008588991, -5.0303300858899105], [142.0, -5.25], [141.75, -5.146446609406727], [141.5, -5.25], [140.96966991411009, -5.0303300858899105], [140.82322330470336, -4.6767766952966365], [140.75, -4.646446609406727], [140.5, -4.75], [140.0, -4.542893218813454], [139.5, -4.75], [138.96966991411009, -4.5303300858899105], [138.82322330470336, -4.1767766952966365], [138.46966991411009, -4.0303300858899105], [138.25, -3.5], [138.35355339059328, -3.25]]]}, "2021-06-28T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[138.35355339059328, -3.25], [138.25, -3.0], [138.46966991411009, -2.4696699141100895], [138.82322330470336, -2.323223304703363], [138.96966991411009, -1.9696699141100895], [139.5, -1.75], [139.75, -1.8535533905932728], [140.0, -1.75], [140.53033008588991, -1.9696699141100893], [140.67677669529664, -2.323223304703363], [140.75, -2.353553390593273], [141.0, -2.25], [141.25, -2.353553390593273], [141.5, -2.25], [142.03033008588991, -2.4696699141100895], [142.17677669529664, -2.823223304703363], [142.53033008588991, -2.9696699141100895], [142.75, -3.5], [142.64644660940672, -3.75], [142.75, -4.0], [142.64644660940672, -4.25], [142.75, -4.5], [142.53033008588991, -5.0303300858899105], [142.0, -5.25], [141.75, -5.146446609406727], [141.5, -5.25], [140.96966991411009, -5.0303300858899105], [140.82322330470336, -4.6767766952966365], [140.75, -4.646446609406727], [140.5, -4.75], [140.0, -4.542893218813454], [139.5, -4.75], [138.96966991411009, -4.5303300858899105], [138.82322330470336, -4.1767766952966365], [138.46966991411009, -4.0303300858899105], [138.25, -3.5], [138.35355339059328, -3.25]]]}, "2021-06-29T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[138.35355339059328, -3.25], [138.25, -3.0], [138.46966991411009, -2.4696699141100895], [138.82322330470336, -2.323223304703363], [138.96966991411009, -1.9696699141100895], [139.5, -1.75], [139.75, -1.8535533905932728], [140.0, -1.75], [140.53033008588991, -1.9696699141100893], [140.67677669529664, -2.323223304703363], [140.75, -2.353553390593273], [141.0, -2.25], [141.25, -2.353553390593273], [141.5, -2.25], [142.03033008588991, -2.4696699141100895], [142.17677669529664, -2.823223304703363], [142.53033008588991, -2.9696699141100895], [142.75, -3.5], [142.64644660940672, -3.75], [142.75, -4.0], [142.64644660940672, -4.25], [142.75, -4.5], [142.53033008588991, -5.0303300858899105], [142.0, -5.25], [141.75, -5.146446609406727], [141.5, -5.25], [140.96966991411009, -5.0303300858899105], [140.82322330470336, -4.6767766952966365], [140.75, -4.646446609406727], [140.5, -4.75], [140.0, -4.542893218813454], [139.5, -4.75], [138.96966991411009, -4.5303300858899105], [138.82322330470336, -4.1767766952966365], [138.46966991411009, -4.0303300858899105], [138.25, -3.5], [138.35355339059328, -3.25]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0774613676882723}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4511337899414005}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.56916438961656, 26.669089486172084, 26.395101072746115]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.163781439856336, 28.790567957202768, 29.043924586938715]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4501575168670384, 1.5732721943487553, 1.329971658608408]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0774613676882723, 2.0317008461214527, 1.9838527537563664]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7777197479883489, 1.9499381527364947, 1.668517420032692]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1090409386944806, 2.341048304110567, 2.047364198067835]}}