{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:38.309910", "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-15_to_2020-Feb-24_102.5_12.0"}, "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": 2020020001933}, "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 15 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 24 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 78756.13667905262}, "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": ["Cambodia"]}, "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": []}, "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": 12.0}, "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": 102.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "102.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 100.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 104.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[102.0, 13.25], [102.53, 13.03], [102.677, 12.677], [102.75, 12.646], [102.751, 12.646], [103.0, 12.75], [103.53, 12.53], [103.75, 12.0], [103.647, 11.75], [103.677, 11.677], [104.03, 11.53], [104.177, 11.177], [104.53, 11.03], [104.75, 10.5], [104.53, 9.97], [104.177, 9.823], [104.03, 9.47], [103.677, 9.323], [103.53, 8.97], [103.0, 8.75], [102.47, 8.97], [102.25, 9.5], [102.354, 9.75], [102.25, 10.0], [102.354, 10.25], [102.323, 10.323], [101.97, 10.47], [101.823, 10.823], [101.774, 10.844], [101.75, 10.854], [101.5, 10.75], [101.25, 10.854], [101.0, 10.75], [100.75, 10.854], [100.5, 10.75], [99.97, 10.97], [99.75, 11.5], [99.854, 11.75], [99.75, 12.0], [99.854, 12.25], [99.75, 12.5], [99.854, 12.75], [99.75, 13.0], [99.97, 13.53], [100.5, 13.75], [101.03, 13.53], [101.177, 13.177], [101.25, 13.146], [101.5, 13.25], [101.75, 13.146], [102.0, 13.25]]]}}, "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": {"2020-02-15T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[101.82322330470336, 11.823223304703363], [101.46966991411009, 11.969669914110089], [101.25, 12.5], [101.46966991411009, 13.030330085889911], [102.0, 13.25], [102.53033008588991, 13.030330085889911], [102.67677669529664, 12.676776695296637], [102.75, 12.646446609406727], [103.0, 12.75], [103.53033008588991, 12.530330085889911], [103.75, 12.0], [103.53033008588991, 11.469669914110089], [103.0, 11.25], [102.75, 11.353553390593273], [102.5, 11.25], [101.96966991411009, 11.469669914110089], [101.82322330470336, 11.823223304703363]]]}, "2020-02-16T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[101.82322330470336, 11.823223304703363], [101.46966991411009, 11.969669914110089], [101.25, 12.5], [101.46966991411009, 13.030330085889911], [102.0, 13.25], [102.53033008588991, 13.030330085889911], [102.67677669529664, 12.676776695296637], [102.75, 12.646446609406727], [103.0, 12.75], [103.53033008588991, 12.530330085889911], [103.75, 12.0], [103.53033008588991, 11.469669914110089], [103.0, 11.25], [102.75, 11.353553390593273], [102.5, 11.25], [101.96966991411009, 11.469669914110089], [101.82322330470336, 11.823223304703363]]]}, "2020-02-17T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[101.82322330470336, 11.823223304703363], [101.46966991411009, 11.969669914110089], [101.25, 12.5], [101.46966991411009, 13.030330085889911], [102.0, 13.25], [102.53033008588991, 13.030330085889911], [102.67677669529664, 12.676776695296637], [102.75, 12.646446609406727], [103.0, 12.75], [103.53033008588991, 12.530330085889911], [103.75, 12.0], [103.53033008588991, 11.469669914110089], [103.0, 11.25], [102.75, 11.353553390593273], [102.5, 11.25], [101.96966991411009, 11.469669914110089], [101.82322330470336, 11.823223304703363]]]}, "2020-02-18T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[101.85355339059328, 11.75], [101.75, 12.0], [101.96966991411009, 12.530330085889911], [102.5, 12.75], [103.03033008588991, 12.530330085889911], [103.25, 12.0], [103.14644660940672, 11.75], [103.19822330470336, 11.625000000000002], [103.5, 11.75], [104.03033008588991, 11.530330085889911], [104.17677669529664, 11.176776695296637], [104.53033008588991, 11.030330085889911], [104.75, 10.5], [104.53033008588991, 9.969669914110089], [104.0, 9.75], [103.46966991411009, 9.969669914110089], [103.32322330470336, 10.323223304703363], [102.96966991411009, 10.469669914110089], [102.80177669529664, 10.874999999999998], [102.5, 10.75], [101.96966991411009, 10.969669914110089], [101.75, 11.5], [101.85355339059328, 11.75]]]}, "2020-02-19T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[99.85355339059328, 12.75], [99.75, 13.0], [99.96966991411009, 13.530330085889911], [100.5, 13.75], [101.03033008588991, 13.530330085889911], [101.17677669529664, 13.176776695296637], [101.25, 13.146446609406727], [101.5, 13.25], [101.75, 13.146446609406727], [102.0, 13.25], [102.53033008588991, 13.030330085889911], [102.67677669529664, 12.676776695296637], [103.03033008588991, 12.530330085889911], [103.25, 12.0], [103.14644660940672, 11.75], [103.19822330470336, 11.625000000000002], [103.5, 11.75], [104.03033008588991, 11.530330085889911], [104.17677669529664, 11.176776695296637], [104.53033008588991, 11.030330085889911], [104.75, 10.5], [104.53033008588991, 9.969669914110089], [104.0, 9.75], [103.46966991411009, 9.969669914110089], [103.32322330470336, 10.323223304703363], [102.96966991411009, 10.469669914110089], [102.80177669529664, 10.874999999999998], [102.5, 10.75], [102.25, 10.853553390593273], [102.0, 10.75], [101.46966991411009, 10.969669914110089], [101.25, 11.5], [101.35355339059328, 11.75], [101.32322330470336, 11.823223304703363], [101.25, 11.853553390593273], [101.0, 11.75], [100.75, 11.853553390593273], [100.5, 11.75], [99.96966991411009, 11.969669914110089], [99.75, 12.5], [99.85355339059328, 12.75]]]}, "2020-02-20T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[99.85355339059328, 11.75], [99.75, 12.0], [99.85355339059328, 12.25], [99.75, 12.5], [99.85355339059328, 12.75], [99.75, 13.0], [99.96966991411009, 13.530330085889911], [100.5, 13.75], [101.03033008588991, 13.530330085889911], [101.17677669529664, 13.176776695296637], [101.25, 13.146446609406727], [101.5, 13.25], [101.75, 13.146446609406727], [102.0, 13.25], [102.53033008588991, 13.030330085889911], [102.67677669529664, 12.676776695296637], [103.03033008588991, 12.530330085889911], [103.25, 12.0], [103.14644660940672, 11.75], [103.19822330470336, 11.625000000000002], [103.5, 11.75], [104.03033008588991, 11.530330085889911], [104.17677669529664, 11.176776695296637], [104.53033008588991, 11.030330085889911], [104.75, 10.5], [104.53033008588991, 9.969669914110089], [104.0, 9.75], [103.46966991411009, 9.969669914110089], [103.32322330470336, 10.323223304703363], [102.96966991411009, 10.469669914110089], [102.80177669529664, 10.874999999999998], [102.5, 10.75], [102.25, 10.853553390593273], [102.0, 10.75], [101.75, 10.853553390593273], [101.5, 10.75], [101.25, 10.853553390593273], [101.0, 10.75], [100.75, 10.853553390593273], [100.5, 10.75], [99.96966991411009, 10.969669914110089], [99.75, 11.5], [99.85355339059328, 11.75]]]}, "2020-02-21T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[99.85355339059328, 11.75], [99.75, 12.0], [99.85355339059328, 12.25], [99.75, 12.5], [99.85355339059328, 12.75], [99.75, 13.0], [99.96966991411009, 13.530330085889911], [100.5, 13.75], [101.03033008588991, 13.530330085889911], [101.17677669529664, 13.176776695296637], [101.25, 13.146446609406727], [101.5, 13.25], [101.75, 13.146446609406727], [102.0, 13.25], [102.53033008588991, 13.030330085889911], [102.67677669529664, 12.676776695296637], [103.03033008588991, 12.530330085889911], [103.17677669529664, 12.176776695296637], [103.53033008588991, 12.030330085889911], [103.67677669529664, 11.676776695296637], [104.03033008588991, 11.530330085889911], [104.17677669529664, 11.176776695296637], [104.53033008588991, 11.030330085889911], [104.75, 10.5], [104.53033008588991, 9.969669914110089], [104.17677669529664, 9.823223304703363], [104.03033008588991, 9.469669914110089], [103.67677669529664, 9.323223304703363], [103.53033008588991, 8.969669914110089], [103.0, 8.75], [102.46966991411009, 8.969669914110089], [102.25, 9.5], [102.35355339059328, 9.75], [102.25, 10.0], [102.35355339059328, 10.25], [102.32322330470336, 10.323223304703363], [101.96966991411009, 10.469669914110089], [101.82322330470336, 10.823223304703363], [101.75, 10.853553390593273], [101.5, 10.75], [101.25, 10.853553390593273], [101.0, 10.75], [100.75, 10.853553390593273], [100.5, 10.75], [99.96966991411009, 10.969669914110089], [99.75, 11.5], [99.85355339059328, 11.75]]]}, "2020-02-22T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[99.85355339059328, 11.75], [99.75, 12.0], [99.85355339059328, 12.25], [99.75, 12.5], [99.85355339059328, 12.75], [99.75, 13.0], [99.96966991411009, 13.530330085889911], [100.5, 13.75], [101.03033008588991, 13.530330085889911], [101.17677669529664, 13.176776695296637], [101.25, 13.146446609406727], [101.5, 13.25], [101.75, 13.146446609406727], [102.0, 13.25], [102.53033008588991, 13.030330085889911], [102.67677669529664, 12.676776695296637], [103.03033008588991, 12.530330085889911], [103.17677669529664, 12.176776695296637], [103.53033008588991, 12.030330085889911], [103.67677669529664, 11.676776695296637], [104.03033008588991, 11.530330085889911], [104.17677669529664, 11.176776695296637], [104.53033008588991, 11.030330085889911], [104.75, 10.5], [104.53033008588991, 9.969669914110089], [104.17677669529664, 9.823223304703363], [104.03033008588991, 9.469669914110089], [103.67677669529664, 9.323223304703363], [103.53033008588991, 8.969669914110089], [103.0, 8.75], [102.46966991411009, 8.969669914110089], [102.25, 9.5], [102.35355339059328, 9.75], [102.25, 10.0], [102.35355339059328, 10.25], [102.32322330470336, 10.323223304703363], [101.96966991411009, 10.469669914110089], [101.82322330470336, 10.823223304703363], [101.75, 10.853553390593273], [101.5, 10.75], [101.25, 10.853553390593273], [101.0, 10.75], [100.75, 10.853553390593273], [100.5, 10.75], [99.96966991411009, 10.969669914110089], [99.75, 11.5], [99.85355339059328, 11.75]]]}, "2020-02-23T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[100.85355339059328, 11.75], [100.75, 12.0], [100.85355339059328, 12.25], [100.75, 12.5], [100.96966991411009, 13.030330085889911], [101.5, 13.25], [102.03033008588991, 13.030330085889911], [102.17677669529664, 12.676776695296637], [102.25, 12.646446609406727], [102.5, 12.75], [103.03033008588991, 12.530330085889911], [103.17677669529664, 12.176776695296637], [103.53033008588991, 12.030330085889911], [103.67677669529664, 11.676776695296637], [104.03033008588991, 11.530330085889911], [104.17677669529664, 11.176776695296637], [104.53033008588991, 11.030330085889911], [104.75, 10.5], [104.53033008588991, 9.969669914110089], [104.17677669529664, 9.823223304703363], [104.03033008588991, 9.469669914110089], [103.67677669529664, 9.323223304703363], [103.53033008588991, 8.969669914110089], [103.0, 8.75], [102.46966991411009, 8.969669914110089], [102.25, 9.5], [102.35355339059328, 9.75], [102.25, 10.0], [102.35355339059328, 10.25], [102.32322330470336, 10.323223304703363], [101.96966991411009, 10.469669914110089], [101.82322330470336, 10.823223304703363], [101.75, 10.853553390593273], [101.5, 10.75], [100.96966991411009, 10.969669914110089], [100.75, 11.5], [100.85355339059328, 11.75]]]}, "2020-02-24T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[100.75, 12.0], [100.96966991411009, 12.530330085889911], [101.5, 12.75], [102.03033008588991, 12.530330085889911], [102.25, 12.0], [102.03033008588991, 11.469669914110089], [101.5, 11.25], [100.96966991411009, 11.469669914110089], [100.75, 12.0]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0032960958873787}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1977249722702263}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.079847681014314, 27.245791338900744, 27.09082291064226, 27.92517279232942, 27.988072670280985, 28.294811469930323, 28.391145440862317, 28.29424867594821, 28.093067594739182, 27.977163407472744]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.245126813491254, 28.214378029657723, 28.10975053068421, 28.310706078127453, 28.445606162954732, 28.9899684820611, 29.03003714064073, 28.90608960934702, 28.65254819928583, 27.977163407472744]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.020600188637161, 1.1807750242235215, 1.0458436690160322, 1.1615444874853722, 0.998646982272238, 1.260888732700273, 1.3693407176928418, 1.2229815729679445, 1.071132431142393, 0.7266535250434458]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1963269942442594, 1.5612911480323532, 1.319524353181805, 1.27176002744352, 1.2353805078304276, 2.0032960958873787, 1.9991079735551693, 1.9569496618403832, 1.5350648204055801, 0.7266535250434458]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4077835214785666, 1.5866902027044085, 1.378731936027897, 1.8981188434171308, 1.5108381677132703, 1.8457817380950157, 2.087392323717529, 1.8384967911910397, 1.6334237707739758, 1.08481459625839]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4509232691067546, 1.7405043744928648, 1.584480932501563, 2.2470161970508085, 2.1374916942572395, 2.893393999685433, 2.858868557099127, 2.6251724740601676, 2.1229713064811517, 1.08481459625839]}}