{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:13:10.166055", "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-Apr-21_to_2020-Apr-23_117.5_6.5"}, "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": 2020040002370}, "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": "April 21 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 23 2020"}, "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": 58387.61842959964}, "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": ["Malaysia"]}, "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": ["Celebes Sea", "South China Sea", "Sulu 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": 6.5}, "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": 117.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "117.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 115.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 119.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[115.823, 6.677], [115.97, 7.03], [116.323, 7.177], [116.354, 7.25], [116.25, 7.5], [116.47, 8.03], [117.0, 8.25], [117.53, 8.03], [117.677, 7.677], [117.75, 7.646], [118.0, 7.75], [118.53, 7.53], [118.75, 7.0], [118.646, 6.75], [118.677, 6.677], [119.03, 6.53], [119.177, 6.177], [119.53, 6.03], [119.75, 5.5], [119.646, 5.25], [119.75, 5.0], [119.53, 4.47], [119.0, 4.25], [118.75, 4.354], [118.5, 4.25], [117.97, 4.47], [117.75, 5.0], [117.854, 5.25], [117.823, 5.323], [117.75, 5.354], [117.5, 5.25], [117.25, 5.354], [117.0, 5.25], [116.75, 5.354], [116.5, 5.25], [116.25, 5.354], [116.177, 5.323], [116.03, 4.97], [115.5, 4.75], [114.97, 4.97], [114.75, 5.5], [114.97, 6.03], [115.323, 6.177], [115.47, 6.53], [115.823, 6.677]]]}}, "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": {"2020-04-21T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[115.32322330470336, 6.1767766952966365], [115.46966991411009, 6.5303300858899105], [115.82322330470336, 6.6767766952966365], [115.96966991411009, 7.0303300858899105], [116.32322330470336, 7.1767766952966365], [116.35355339059328, 7.25], [116.25, 7.5], [116.46966991411009, 8.030330085889911], [117.0, 8.25], [117.53033008588991, 8.030330085889911], [117.67677669529664, 7.6767766952966365], [117.75, 7.646446609406727], [118.0, 7.75], [118.53033008588991, 7.5303300858899105], [118.75, 7.0], [118.64644660940672, 6.75], [118.67677669529664, 6.6767766952966365], [119.03033008588991, 6.5303300858899105], [119.17677669529664, 6.1767766952966365], [119.53033008588991, 6.0303300858899105], [119.75, 5.5], [119.64644660940672, 5.25], [119.75, 5.0], [119.53033008588991, 4.4696699141100895], [119.0, 4.25], [118.75, 4.353553390593273], [118.5, 4.25], [117.96966991411009, 4.4696699141100895], [117.75, 5.0], [117.85355339059328, 5.25], [117.82322330470336, 5.3232233047033635], [117.75, 5.353553390593273], [117.5, 5.25], [117.25, 5.353553390593273], [117.0, 5.25], [116.75, 5.353553390593273], [116.5, 5.25], [116.25, 5.353553390593273], [116.17677669529664, 5.3232233047033635], [116.03033008588991, 4.9696699141100895], [115.5, 4.75], [114.96966991411009, 4.9696699141100895], [114.75, 5.5], [114.96966991411009, 6.0303300858899105], [115.32322330470336, 6.1767766952966365]]]}, "2020-04-22T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[115.32322330470336, 6.1767766952966365], [115.46966991411009, 6.5303300858899105], [115.82322330470336, 6.6767766952966365], [115.96966991411009, 7.0303300858899105], [116.32322330470336, 7.1767766952966365], [116.35355339059328, 7.25], [116.25, 7.5], [116.46966991411009, 8.030330085889911], [117.0, 8.25], [117.53033008588991, 8.030330085889911], [117.67677669529664, 7.6767766952966365], [117.75, 7.646446609406727], [118.0, 7.75], [118.53033008588991, 7.5303300858899105], [118.75, 7.0], [118.64644660940672, 6.75], [118.67677669529664, 6.6767766952966365], [119.03033008588991, 6.5303300858899105], [119.17677669529664, 6.1767766952966365], [119.53033008588991, 6.0303300858899105], [119.75, 5.5], [119.64644660940672, 5.25], [119.75, 5.0], [119.53033008588991, 4.4696699141100895], [119.0, 4.25], [118.75, 4.353553390593273], [118.5, 4.25], [117.96966991411009, 4.4696699141100895], [117.75, 5.0], [117.85355339059328, 5.25], [117.82322330470336, 5.3232233047033635], [117.75, 5.353553390593273], [117.5, 5.25], [117.25, 5.353553390593273], [117.0, 5.25], [116.75, 5.353553390593273], [116.5, 5.25], [116.25, 5.353553390593273], [116.17677669529664, 5.3232233047033635], [116.03033008588991, 4.9696699141100895], [115.5, 4.75], [114.96966991411009, 4.9696699141100895], [114.75, 5.5], [114.96966991411009, 6.0303300858899105], [115.32322330470336, 6.1767766952966365]]]}, "2020-04-23T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[115.32322330470336, 6.1767766952966365], [115.46966991411009, 6.5303300858899105], [115.82322330470336, 6.6767766952966365], [115.96966991411009, 7.0303300858899105], [116.32322330470336, 7.1767766952966365], [116.35355339059328, 7.25], [116.25, 7.5], [116.46966991411009, 8.030330085889911], [117.0, 8.25], [117.53033008588991, 8.030330085889911], [117.67677669529664, 7.6767766952966365], [117.75, 7.646446609406727], [118.0, 7.75], [118.53033008588991, 7.5303300858899105], [118.75, 7.0], [118.64644660940672, 6.75], [118.67677669529664, 6.6767766952966365], [119.03033008588991, 6.5303300858899105], [119.17677669529664, 6.1767766952966365], [119.53033008588991, 6.0303300858899105], [119.75, 5.5], [119.64644660940672, 5.25], [119.75, 5.0], [119.53033008588991, 4.4696699141100895], [119.0, 4.25], [118.75, 4.353553390593273], [118.5, 4.25], [117.96966991411009, 4.4696699141100895], [117.75, 5.0], [117.85355339059328, 5.25], [117.82322330470336, 5.3232233047033635], [117.75, 5.353553390593273], [117.5, 5.25], [117.25, 5.353553390593273], [117.0, 5.25], [116.75, 5.353553390593273], [116.5, 5.25], [116.25, 5.353553390593273], [116.17677669529664, 5.3232233047033635], [116.03033008588991, 4.9696699141100895], [115.5, 4.75], [114.96966991411009, 4.9696699141100895], [114.75, 5.5], [114.96966991411009, 6.0303300858899105], [115.32322330470336, 6.1767766952966365]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.484279534235384}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2508831032972714}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.37966220857055, 28.48259906370771, 28.381490586200925]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.434710337944693, 30.092215740593986, 30.128179203675927]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2354598945989024, 1.3221089536111268, 1.195080461681785]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.484279534235384, 2.3397691637367757, 1.79141049529062]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7536670073877216, 1.8789202391472524, 1.7712749102282401]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4734006557871324, 2.6247317868491775, 2.1812910562454757]}}