{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:34.356084", "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-10_to_2020-Feb-12_111.0_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": 2020020001624}, "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 10 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 12 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": 58410.40721242852}, "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": ["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": 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": 111.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "111.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 110.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 112.5}, "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": 7.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[109.97, 7.03], [110.323, 7.177], [110.47, 7.53], [111.0, 7.75], [111.25, 7.646], [111.5, 7.75], [112.03, 7.53], [112.177, 7.177], [112.25, 7.146], [112.5, 7.25], [113.03, 7.03], [113.25, 6.5], [113.146, 6.25], [113.25, 6.0], [113.146, 5.75], [113.25, 5.5], [113.146, 5.25], [113.25, 5.0], [113.146, 4.75], [113.25, 4.5], [113.03, 3.97], [112.5, 3.75], [111.97, 3.97], [111.823, 4.323], [111.47, 4.47], [111.323, 4.823], [111.25, 4.854], [111.0, 4.75], [110.47, 4.97], [110.323, 5.323], [109.97, 5.47], [109.75, 6.0], [109.854, 6.25], [109.75, 6.5], [109.97, 7.03]]]}}, "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": {"2020-02-10T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[109.85355339059328, 6.25], [109.75, 6.5], [109.96966991411009, 7.0303300858899105], [110.32322330470336, 7.1767766952966365], [110.46966991411009, 7.5303300858899105], [111.0, 7.75], [111.25, 7.646446609406727], [111.5, 7.75], [112.03033008588991, 7.5303300858899105], [112.17677669529664, 7.1767766952966365], [112.25, 7.146446609406727], [112.5, 7.25], [113.03033008588991, 7.0303300858899105], [113.25, 6.5], [113.14644660940672, 6.25], [113.25, 6.0], [113.14644660940672, 5.75], [113.25, 5.5], [113.14644660940672, 5.25], [113.25, 5.0], [113.14644660940672, 4.75], [113.25, 4.5], [113.03033008588991, 3.9696699141100895], [112.5, 3.75], [111.96966991411009, 3.9696699141100895], [111.82322330470336, 4.3232233047033635], [111.46966991411009, 4.4696699141100895], [111.32322330470336, 4.8232233047033635], [111.25, 4.853553390593273], [111.0, 4.75], [110.46966991411009, 4.9696699141100895], [110.32322330470336, 5.3232233047033635], [109.96966991411009, 5.4696699141100895], [109.75, 6.0], [109.85355339059328, 6.25]]]}, "2020-02-11T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[109.85355339059328, 6.25], [109.75, 6.5], [109.96966991411009, 7.0303300858899105], [110.32322330470336, 7.1767766952966365], [110.46966991411009, 7.5303300858899105], [111.0, 7.75], [111.25, 7.646446609406727], [111.5, 7.75], [112.03033008588991, 7.5303300858899105], [112.17677669529664, 7.1767766952966365], [112.25, 7.146446609406727], [112.5, 7.25], [113.03033008588991, 7.0303300858899105], [113.25, 6.5], [113.14644660940672, 6.25], [113.25, 6.0], [113.14644660940672, 5.75], [113.25, 5.5], [113.14644660940672, 5.25], [113.25, 5.0], [113.14644660940672, 4.75], [113.25, 4.5], [113.03033008588991, 3.9696699141100895], [112.5, 3.75], [111.96966991411009, 3.9696699141100895], [111.82322330470336, 4.3232233047033635], [111.46966991411009, 4.4696699141100895], [111.32322330470336, 4.8232233047033635], [111.25, 4.853553390593273], [111.0, 4.75], [110.46966991411009, 4.9696699141100895], [110.32322330470336, 5.3232233047033635], [109.96966991411009, 5.4696699141100895], [109.75, 6.0], [109.85355339059328, 6.25]]]}, "2020-02-12T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[109.85355339059328, 6.25], [109.75, 6.5], [109.96966991411009, 7.0303300858899105], [110.32322330470336, 7.1767766952966365], [110.46966991411009, 7.5303300858899105], [111.0, 7.75], [111.25, 7.646446609406727], [111.5, 7.75], [112.03033008588991, 7.5303300858899105], [112.17677669529664, 7.1767766952966365], [112.25, 7.146446609406727], [112.5, 7.25], [113.03033008588991, 7.0303300858899105], [113.25, 6.5], [113.14644660940672, 6.25], [113.25, 6.0], [113.14644660940672, 5.75], [113.25, 5.5], [113.14644660940672, 5.25], [113.25, 5.0], [113.14644660940672, 4.75], [113.25, 4.5], [113.03033008588991, 3.9696699141100895], [112.5, 3.75], [111.96966991411009, 3.9696699141100895], [111.82322330470336, 4.3232233047033635], [111.46966991411009, 4.4696699141100895], [111.32322330470336, 4.8232233047033635], [111.25, 4.853553390593273], [111.0, 4.75], [110.46966991411009, 4.9696699141100895], [110.32322330470336, 5.3232233047033635], [109.96966991411009, 5.4696699141100895], [109.75, 6.0], [109.85355339059328, 6.25]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.149169051302465}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9371200216692608}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.132699689370384, 27.207505737418103, 27.2057549042446]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.283410979298935, 27.33572472878552, 27.321302732828315]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9196284062752123, 0.9677679144834105, 0.9239637442491597]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0667752867576041, 1.149169051302465, 1.0214614147787415]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.594637385072911, 1.671792156457208, 1.6024985874539777]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8061337723515243, 1.8489141693259281, 1.7481460521006302]}}