{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:12:36.394862", "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-Mar-28_to_2020-Apr-05_75.5_13.0"}, "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": 2020030002856}, "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": "March 28 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 05 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 90849.43746918449}, "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": ["India"]}, "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": ["Laccadive 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": 13.0}, "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": 75.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "75.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 75.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 77.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[74.354, 13.75], [74.25, 14.0], [74.47, 14.53], [75.0, 14.75], [75.53, 14.53], [75.677, 14.177], [76.03, 14.03], [76.177, 13.677], [76.53, 13.53], [76.677, 13.177], [76.749, 13.146], [76.75, 13.146], [77.0, 13.25], [77.53, 13.03], [77.75, 12.5], [77.53, 11.97], [77.125, 11.802], [77.25, 11.5], [77.146, 11.251], [77.146, 11.25], [77.177, 11.177], [77.53, 11.03], [77.75, 10.5], [77.646, 10.25], [77.75, 10.0], [77.646, 9.75], [77.646, 9.749], [77.75, 9.5], [77.646, 9.251], [77.646, 9.25], [77.75, 9.0], [77.53, 8.47], [77.0, 8.25], [76.75, 8.354], [76.5, 8.25], [75.97, 8.47], [75.75, 9.0], [75.854, 9.25], [75.823, 9.323], [75.47, 9.47], [75.25, 10.0], [75.354, 10.249], [75.354, 10.25], [75.323, 10.323], [74.97, 10.47], [74.75, 11.0], [74.854, 11.25], [74.823, 11.323], [74.47, 11.47], [74.25, 12.0], [74.354, 12.25], [74.25, 12.5], [74.354, 12.75], [74.25, 13.0], [74.354, 13.25], [74.25, 13.5], [74.354, 13.75]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.53033008588991, 8.469669914110089], [77.0, 8.25], [76.46966991411009, 8.469669914110089], [76.25, 9.0], [76.46966991411009, 9.530330085889911], [77.0, 9.75], [77.53033008588991, 9.530330085889911], [77.75, 9.0], [77.53033008588991, 8.469669914110089]]], [[[74.46966991411009, 12.969669914110089], [74.25, 13.5], [74.46966991411009, 14.030330085889911], [75.0, 14.25], [75.25, 14.146446609406727], [75.5, 14.25], [76.03033008588991, 14.030330085889911], [76.25, 13.5], [76.14644660940672, 13.25], [76.25, 13.0], [76.14644660940672, 12.75], [76.17677669529664, 12.676776695296637], [76.53033008588991, 12.530330085889911], [76.75, 12.0], [76.53033008588991, 11.469669914110089], [76.0, 11.25], [75.46966991411009, 11.469669914110089], [75.32322330470336, 11.823223304703363], [74.96966991411009, 11.969669914110089], [74.75, 12.5], [74.85355339059328, 12.75], [74.82322330470336, 12.823223304703363], [74.46966991411009, 12.969669914110089]]]]}, "2020-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.53033008588991, 8.469669914110089], [77.0, 8.25], [76.46966991411009, 8.469669914110089], [76.25, 9.0], [76.46966991411009, 9.530330085889911], [77.0, 9.75], [77.53033008588991, 9.530330085889911], [77.75, 9.0], [77.53033008588991, 8.469669914110089]]], [[[74.25, 13.5], [74.46966991411009, 14.030330085889911], [75.0, 14.25], [75.25, 14.146446609406727], [75.5, 14.25], [76.03033008588991, 14.030330085889911], [76.25, 13.5], [76.14644660940672, 13.25], [76.17677669529664, 13.176776695296637], [76.53033008588991, 13.030330085889911], [76.75, 12.5], [76.64644660940672, 12.25], [76.75, 12.0], [76.53033008588991, 11.469669914110089], [76.0, 11.25], [75.46966991411009, 11.469669914110089], [75.32322330470336, 11.823223304703363], [74.96966991411009, 11.969669914110089], [74.82322330470336, 12.323223304703363], [74.46966991411009, 12.469669914110089], [74.25, 13.0], [74.35355339059328, 13.25], [74.25, 13.5]]]]}, "2020-03-30T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[74.35355339059328, 12.75], [74.25, 13.0], [74.35355339059328, 13.25], [74.25, 13.5], [74.35355339059328, 13.75], [74.25, 14.0], [74.46966991411009, 14.530330085889911], [75.0, 14.75], [75.53033008588991, 14.530330085889911], [75.67677669529664, 14.176776695296637], [76.03033008588991, 14.030330085889911], [76.17677669529664, 13.676776695296637], [76.53033008588991, 13.530330085889911], [76.75, 13.0], [76.64644660940672, 12.75], [76.75, 12.5], [76.64644660940672, 12.25], [76.75, 12.0], [76.64644660940672, 11.75], [76.67677669529664, 11.676776695296637], [77.03033008588991, 11.530330085889911], [77.17677669529664, 11.176776695296637], [77.53033008588991, 11.030330085889911], [77.75, 10.5], [77.64644660940672, 10.25], [77.75, 10.0], [77.54289321881346, 9.5], [77.75, 9.0], [77.53033008588991, 8.469669914110089], [77.0, 8.25], [76.46966991411009, 8.469669914110089], [76.25, 9.0], [76.375, 9.301776695296637], [76.25, 9.353553390593273], [76.0, 9.25], [75.46966991411009, 9.469669914110089], [75.25, 10.0], [75.35355339059328, 10.25], [75.25, 10.5], [75.35355339059328, 10.75], [75.32322330470336, 10.823223304703363], [74.96966991411009, 10.969669914110089], [74.75, 11.5], [74.85355339059328, 11.75], [74.82322330470336, 11.823223304703363], [74.46966991411009, 11.969669914110089], [74.25, 12.5], [74.35355339059328, 12.75]]]}, "2020-03-31T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[74.35355339059328, 12.75], [74.25, 13.0], [74.35355339059328, 13.25], [74.25, 13.5], [74.35355339059328, 13.75], [74.25, 14.0], [74.46966991411009, 14.530330085889911], [75.0, 14.75], [75.53033008588991, 14.530330085889911], [75.67677669529664, 14.176776695296637], [76.03033008588991, 14.030330085889911], [76.17677669529664, 13.676776695296637], [76.53033008588991, 13.530330085889911], [76.75, 13.0], [76.64644660940672, 12.75], [76.75, 12.5], [76.64644660940672, 12.25], [76.75, 12.0], [76.64644660940672, 11.75], [76.67677669529664, 11.676776695296637], [77.03033008588991, 11.530330085889911], [77.17677669529664, 11.176776695296637], [77.53033008588991, 11.030330085889911], [77.75, 10.5], [77.64644660940672, 10.25], [77.75, 10.0], [77.64644660940672, 9.75], [77.75, 9.5], [77.64644660940672, 9.25], [77.75, 9.0], [77.53033008588991, 8.469669914110089], [77.0, 8.25], [76.75, 8.353553390593273], [76.5, 8.25], [75.96966991411009, 8.469669914110089], [75.75, 9.0], [75.85355339059328, 9.25], [75.82322330470336, 9.323223304703363], [75.46966991411009, 9.469669914110089], [75.25, 10.0], [75.35355339059328, 10.25], [75.32322330470336, 10.323223304703363], [74.96966991411009, 10.469669914110089], [74.75, 11.0], [74.85355339059328, 11.25], [74.75, 11.5], [74.85355339059328, 11.75], [74.82322330470336, 11.823223304703363], [74.46966991411009, 11.969669914110089], [74.25, 12.5], [74.35355339059328, 12.75]]]}, "2020-04-01T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[74.35355339059328, 12.75], [74.25, 13.0], [74.35355339059328, 13.25], [74.25, 13.5], [74.35355339059328, 13.75], [74.25, 14.0], [74.46966991411009, 14.530330085889911], [75.0, 14.75], [75.53033008588991, 14.530330085889911], [75.67677669529664, 14.176776695296637], [76.03033008588991, 14.030330085889911], [76.17677669529664, 13.676776695296637], [76.53033008588991, 13.530330085889911], [76.69822330470336, 13.125000000000002], [77.0, 13.25], [77.53033008588991, 13.030330085889911], [77.75, 12.5], [77.53033008588991, 11.969669914110089], [77.0, 11.75], [76.69822330470336, 11.874999999999998], [76.64644660940672, 11.75], [76.67677669529664, 11.676776695296637], [77.03033008588991, 11.530330085889911], [77.17677669529664, 11.176776695296637], [77.53033008588991, 11.030330085889911], [77.75, 10.5], [77.64644660940672, 10.25], [77.75, 10.0], [77.64644660940672, 9.75], [77.75, 9.5], [77.64644660940672, 9.25], [77.75, 9.0], [77.53033008588991, 8.469669914110089], [77.0, 8.25], [76.75, 8.353553390593273], [76.5, 8.25], [75.96966991411009, 8.469669914110089], [75.75, 9.0], [75.85355339059328, 9.25], [75.82322330470336, 9.323223304703363], [75.46966991411009, 9.469669914110089], [75.25, 10.0], [75.35355339059328, 10.25], [75.32322330470336, 10.323223304703363], [74.96966991411009, 10.469669914110089], [74.75, 11.0], [74.85355339059328, 11.25], [74.75, 11.5], [74.85355339059328, 11.75], [74.82322330470336, 11.823223304703363], [74.46966991411009, 11.969669914110089], [74.25, 12.5], [74.35355339059328, 12.75]]]}, "2020-04-02T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[74.35355339059328, 12.25], [74.25, 12.5], [74.46966991411009, 13.030330085889911], [74.82322330470336, 13.176776695296637], [74.96966991411009, 13.530330085889911], [75.5, 13.75], [76.03033008588991, 13.530330085889911], [76.19822330470336, 13.125000000000002], [76.5, 13.25], [76.75, 13.146446609406727], [77.0, 13.25], [77.53033008588991, 13.030330085889911], [77.75, 12.5], [77.53033008588991, 11.969669914110089], [77.125, 11.801776695296637], [77.25, 11.5], [77.14644660940672, 11.25], [77.17677669529664, 11.176776695296637], [77.53033008588991, 11.030330085889911], [77.75, 10.5], [77.64644660940672, 10.25], [77.75, 10.0], [77.64644660940672, 9.75], [77.75, 9.5], [77.64644660940672, 9.25], [77.75, 9.0], [77.53033008588991, 8.469669914110089], [77.0, 8.25], [76.75, 8.353553390593273], [76.5, 8.25], [75.96966991411009, 8.469669914110089], [75.75, 9.0], [75.85355339059328, 9.25], [75.75, 9.5], [75.85355339059328, 9.75], [75.82322330470336, 9.823223304703363], [75.46966991411009, 9.969669914110089], [75.32322330470336, 10.323223304703363], [74.96966991411009, 10.469669914110089], [74.75, 11.0], [74.85355339059328, 11.25], [74.82322330470336, 11.323223304703363], [74.46966991411009, 11.469669914110089], [74.25, 12.0], [74.35355339059328, 12.25]]]}, "2020-04-03T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[74.35355339059328, 12.25], [74.25, 12.5], [74.46966991411009, 13.030330085889911], [74.82322330470336, 13.176776695296637], [74.96966991411009, 13.530330085889911], [75.5, 13.75], [76.03033008588991, 13.530330085889911], [76.19822330470336, 13.125000000000002], [76.5, 13.25], [76.75, 13.146446609406727], [77.0, 13.25], [77.53033008588991, 13.030330085889911], [77.75, 12.5], [77.53033008588991, 11.969669914110089], [77.125, 11.801776695296637], [77.25, 11.5], [77.14644660940672, 11.25], [77.17677669529664, 11.176776695296637], [77.53033008588991, 11.030330085889911], [77.75, 10.5], [77.64644660940672, 10.25], [77.75, 10.0], [77.54289321881346, 9.5], [77.75, 9.0], [77.53033008588991, 8.469669914110089], [77.0, 8.25], [76.46966991411009, 8.469669914110089], [76.32322330470336, 8.823223304703363], [75.96966991411009, 8.969669914110089], [75.75, 9.5], [75.85355339059328, 9.75], [75.82322330470336, 9.823223304703363], [75.46966991411009, 9.969669914110089], [75.32322330470336, 10.323223304703363], [74.96966991411009, 10.469669914110089], [74.75, 11.0], [74.85355339059328, 11.25], [74.82322330470336, 11.323223304703363], [74.46966991411009, 11.469669914110089], [74.25, 12.0], [74.35355339059328, 12.25]]]}, "2020-04-04T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[74.35355339059328, 12.25], [74.25, 12.5], [74.46966991411009, 13.030330085889911], [74.82322330470336, 13.176776695296637], [74.96966991411009, 13.530330085889911], [75.5, 13.75], [76.03033008588991, 13.530330085889911], [76.19822330470336, 13.125000000000002], [76.5, 13.25], [76.75, 13.146446609406727], [77.0, 13.25], [77.53033008588991, 13.030330085889911], [77.75, 12.5], [77.53033008588991, 11.969669914110089], [77.125, 11.801776695296637], [77.25, 11.5], [77.14644660940672, 11.25], [77.25, 11.0], [77.14644660940672, 10.75], [77.17677669529664, 10.676776695296637], [77.53033008588991, 10.530330085889911], [77.75, 10.0], [77.54289321881346, 9.5], [77.75, 9.0], [77.53033008588991, 8.469669914110089], [77.0, 8.25], [76.46966991411009, 8.469669914110089], [76.32322330470336, 8.823223304703363], [75.96966991411009, 8.969669914110089], [75.75, 9.5], [75.85355339059328, 9.75], [75.82322330470336, 9.823223304703363], [75.46966991411009, 9.969669914110089], [75.32322330470336, 10.323223304703363], [74.96966991411009, 10.469669914110089], [74.75, 11.0], [74.85355339059328, 11.25], [74.82322330470336, 11.323223304703363], [74.46966991411009, 11.469669914110089], [74.25, 12.0], [74.35355339059328, 12.25]]]}, "2020-04-05T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[74.25, 12.0], [74.46966991411009, 12.530330085889911], [75.0, 12.75], [75.53033008588991, 12.530330085889911], [75.75, 12.0], [75.53033008588991, 11.469669914110089], [75.0, 11.25], [74.46966991411009, 11.469669914110089], [74.25, 12.0]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.5710552041824144}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6662943326052504}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.34894718836057, 27.81881030932692, 28.627454811969983, 28.989091632551037, 29.15787136652375, 28.97915154851239, 29.01057177475775, 29.182516116035686, 29.142321207191117]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.360912970735455, 29.898008829588946, 31.598701182654054, 32.13980024045543, 32.340850399294595, 31.863837146416188, 31.825425107124317, 32.19431841673725, 29.142321207191117]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2484728929941202, 1.403675969988484, 1.4604945655256254, 1.7110653689441575, 1.8480568499776424, 1.6537729156437644, 1.6592606321574705, 1.885798697546619, 0.7757428337819192]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5099508827594263, 1.6681699435751511, 2.659581166539624, 3.3063006771731693, 3.5710552041824144, 3.1544154137965847, 2.78893781974233, 2.9867694019529836, 0.7757428337819192]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3656769820123795, 1.5840706925573658, 1.6041569275592316, 1.857196036219229, 1.9000311065931927, 1.649391078959556, 1.6824551380906585, 1.8797966314025771, 1.4051807458714043]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5050137569959745, 1.9704028985392583, 2.067649621969704, 2.5164823649392143, 2.815196106228246, 2.329704585786282, 2.11378577046798, 2.376519603798563, 1.4051807458714043]}}