{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:38.525136", "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-16_to_2020-Feb-20_66.5_26.0"}, "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": 2020020001993}, "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 16 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 20 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 53376.14954011235}, "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": ["Pakistan"]}, "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": ["Arabian 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": 26.0}, "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": 66.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "66.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 65.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 67.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[64.25, 25.5], [64.47, 26.03], [65.0, 26.25], [65.25, 26.146], [65.323, 26.177], [65.47, 26.53], [65.823, 26.677], [65.97, 27.03], [66.5, 27.25], [67.03, 27.03], [67.25, 26.5], [67.146, 26.25], [67.177, 26.177], [67.53, 26.03], [67.677, 25.677], [68.03, 25.53], [68.25, 25.0], [68.146, 24.75], [68.25, 24.5], [68.146, 24.25], [68.25, 24.0], [68.03, 23.47], [67.677, 23.323], [67.646, 23.25], [67.75, 23.0], [67.53, 22.47], [67.0, 22.25], [66.75, 22.354], [66.5, 22.25], [66.25, 22.354], [66.0, 22.25], [65.47, 22.47], [65.25, 23.0], [65.354, 23.25], [65.25, 23.5], [65.47, 24.03], [66.0, 24.25], [66.25, 24.146], [66.323, 24.177], [66.457, 24.5], [66.323, 24.823], [66.25, 24.854], [66.249, 24.854], [66.0, 24.75], [65.75, 24.854], [65.5, 24.75], [65.25, 24.854], [65.0, 24.75], [64.47, 24.97], [64.25, 25.5]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "Arabian-Sea"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-16T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[65.85355339059328, 26.25], [65.75, 26.5], [65.96966991411009, 27.03033008588991], [66.5, 27.25], [67.03033008588991, 27.03033008588991], [67.25, 26.5], [67.14644660940672, 26.25], [67.25, 26.0], [67.03033008588991, 25.46966991411009], [66.5, 25.25], [65.96966991411009, 25.46966991411009], [65.75, 26.0], [65.85355339059328, 26.25]]]}, "2020-02-17T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[65.25, 24.853553390593273], [65.0, 24.75], [64.46966991411009, 24.96966991411009], [64.25, 25.5], [64.46966991411009, 26.03033008588991], [65.0, 26.25], [65.25, 26.146446609406727], [65.32322330470336, 26.17677669529664], [65.46966991411009, 26.53033008588991], [65.82322330470336, 26.67677669529664], [65.96966991411009, 27.03033008588991], [66.5, 27.25], [67.03033008588991, 27.03033008588991], [67.25, 26.5], [67.14644660940672, 26.25], [67.17677669529664, 26.17677669529664], [67.53033008588991, 26.03033008588991], [67.67677669529664, 25.67677669529664], [68.03033008588991, 25.53033008588991], [68.25, 25.0], [68.14644660940672, 24.75], [68.25, 24.5], [68.14644660940672, 24.25], [68.25, 24.0], [68.03033008588991, 23.46966991411009], [67.67677669529664, 23.32322330470336], [67.64644660940672, 23.25], [67.75, 23.0], [67.53033008588991, 22.46966991411009], [67.0, 22.25], [66.75, 22.353553390593273], [66.5, 22.25], [66.25, 22.353553390593273], [66.0, 22.25], [65.46966991411009, 22.46966991411009], [65.25, 23.0], [65.35355339059328, 23.25], [65.25, 23.5], [65.46966991411009, 24.03033008588991], [66.0, 24.25], [66.25, 24.146446609406727], [66.32322330470336, 24.17677669529664], [66.45710678118654, 24.5], [66.32322330470336, 24.82322330470336], [66.25, 24.853553390593273], [66.0, 24.75], [65.75, 24.853553390593273], [65.5, 24.75], [65.25, 24.853553390593273]]]}, "2020-02-18T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[65.25, 24.853553390593273], [65.0, 24.75], [64.46966991411009, 24.96966991411009], [64.25, 25.5], [64.46966991411009, 26.03033008588991], [65.0, 26.25], [65.25, 26.146446609406727], [65.32322330470336, 26.17677669529664], [65.46966991411009, 26.53033008588991], [65.82322330470336, 26.67677669529664], [65.96966991411009, 27.03033008588991], [66.5, 27.25], [67.03033008588991, 27.03033008588991], [67.25, 26.5], [67.14644660940672, 26.25], [67.17677669529664, 26.17677669529664], [67.53033008588991, 26.03033008588991], [67.67677669529664, 25.67677669529664], [68.03033008588991, 25.53033008588991], [68.25, 25.0], [68.14644660940672, 24.75], [68.25, 24.5], [68.14644660940672, 24.25], [68.25, 24.0], [68.03033008588991, 23.46966991411009], [67.67677669529664, 23.32322330470336], [67.64644660940672, 23.25], [67.75, 23.0], [67.53033008588991, 22.46966991411009], [67.0, 22.25], [66.75, 22.353553390593273], [66.5, 22.25], [66.25, 22.353553390593273], [66.0, 22.25], [65.46966991411009, 22.46966991411009], [65.25, 23.0], [65.35355339059328, 23.25], [65.25, 23.5], [65.46966991411009, 24.03033008588991], [66.0, 24.25], [66.25, 24.146446609406727], [66.32322330470336, 24.17677669529664], [66.45710678118654, 24.5], [66.32322330470336, 24.82322330470336], [66.25, 24.853553390593273], [66.0, 24.75], [65.75, 24.853553390593273], [65.5, 24.75], [65.25, 24.853553390593273]]]}, "2020-02-19T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[65.25, 24.853553390593273], [65.0, 24.75], [64.46966991411009, 24.96966991411009], [64.25, 25.5], [64.46966991411009, 26.03033008588991], [65.0, 26.25], [65.25, 26.146446609406727], [65.32322330470336, 26.17677669529664], [65.46966991411009, 26.53033008588991], [65.82322330470336, 26.67677669529664], [65.96966991411009, 27.03033008588991], [66.5, 27.25], [67.03033008588991, 27.03033008588991], [67.25, 26.5], [67.14644660940672, 26.25], [67.17677669529664, 26.17677669529664], [67.53033008588991, 26.03033008588991], [67.67677669529664, 25.67677669529664], [68.03033008588991, 25.53033008588991], [68.25, 25.0], [68.14644660940672, 24.75], [68.25, 24.5], [68.14644660940672, 24.25], [68.25, 24.0], [68.03033008588991, 23.46966991411009], [67.67677669529664, 23.32322330470336], [67.64644660940672, 23.25], [67.75, 23.0], [67.53033008588991, 22.46966991411009], [67.0, 22.25], [66.75, 22.353553390593273], [66.5, 22.25], [66.25, 22.353553390593273], [66.0, 22.25], [65.46966991411009, 22.46966991411009], [65.25, 23.0], [65.35355339059328, 23.25], [65.25, 23.5], [65.46966991411009, 24.03033008588991], [66.0, 24.25], [66.25, 24.146446609406727], [66.32322330470336, 24.17677669529664], [66.45710678118654, 24.5], [66.32322330470336, 24.82322330470336], [66.25, 24.853553390593273], [66.0, 24.75], [65.75, 24.853553390593273], [65.5, 24.75], [65.25, 24.853553390593273]]]}, "2020-02-20T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[66.32322330470336, 24.82322330470336], [65.96966991411009, 24.96966991411009], [65.75, 25.5], [65.96966991411009, 26.03033008588991], [66.5, 26.25], [67.03033008588991, 26.03033008588991], [67.17677669529664, 25.67677669529664], [67.53033008588991, 25.53033008588991], [67.75, 25.0], [67.625, 24.69822330470336], [68.03033008588991, 24.53033008588991], [68.25, 24.0], [68.03033008588991, 23.46966991411009], [67.5, 23.25], [66.96966991411009, 23.46966991411009], [66.75, 24.0], [66.875, 24.30177669529664], [66.46966991411009, 24.46966991411009], [66.32322330470336, 24.82322330470336]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.3037660510434534}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.789235374056392}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.80075531131604, 24.242296106836534, 24.359372781565582, 24.920563149579607, 24.571939682754987]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.57076744452843, 25.214058644270324, 25.347802248289668, 27.202457322745943, 24.87629822008097]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5375248059418993, 2.6335060718342573, 2.6570034079003815, 3.08228369557654, 2.258157749566711]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.053723713980844, 4.2662372250439375, 4.6624486353844645, 5.3037660510434534, 2.490246063271343]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3556892727074024, 1.397415225287921, 1.363299306828792, 1.593121324275007, 1.2272534764931005]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.426845147193078, 1.6539773268960862, 1.5574462563662386, 2.2993160293854618, 1.294720552553275]}}