{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:30:43.487159", "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": "2022-Apr-08_to_2022-Apr-19_269.5_14.5"}, "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": 2022040001522}, "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 08 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 19 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 12}, "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": 53937.913146923915}, "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": ["El Salvador", "Guatemala", "Honduras"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "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": ["North Pacific Ocean"]}, "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": 14.5}, "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": 269.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "269.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 267.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 272.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.0, 14.75], [-89.47, 14.53], [-89.25, 14.0], [-89.47, 13.47], [-90.0, 13.25], [-90.53, 13.47], [-90.75, 14.0], [-90.53, 14.53], [-90.0, 14.75]]]]}, "2022-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.25, 14.15], [-89.0, 14.25], [-88.75, 14.15], [-88.5, 14.25], [-87.97, 14.03], [-87.75, 13.5], [-87.97, 12.97], [-88.5, 12.75], [-88.75, 12.85], [-89.0, 12.75], [-89.25, 12.85], [-89.5, 12.75], [-89.75, 12.85], [-90.0, 12.75], [-90.53, 12.97], [-90.75, 13.5], [-90.65, 13.75], [-90.75, 14.0], [-90.53, 14.53]]]]}, "2022-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.25, 14.15], [-89.0, 14.25], [-88.75, 14.15], [-88.5, 14.25], [-88.0, 14.04], [-87.5, 14.25], [-86.97, 14.03], [-86.75, 13.5], [-86.97, 12.97], [-87.5, 12.75], [-88.0, 12.96], [-88.5, 12.75], [-88.75, 12.85], [-89.0, 12.75], [-89.25, 12.85], [-89.5, 12.75], [-89.75, 12.85], [-90.0, 12.75], [-90.53, 12.97], [-90.75, 13.5], [-90.65, 13.75], [-90.75, 14.0], [-90.53, 14.53], [-90.0, 14.75]]], [[[-92.53, 13.47], [-92.75, 14.0], [-92.53, 14.53], [-92.0, 14.75], [-91.47, 14.53], [-91.25, 14.0], [-91.47, 13.47], [-92.0, 13.25], [-92.53, 13.47]]]]}, "2022-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.25, 14.15], [-89.0, 14.25], [-88.75, 14.15], [-88.5, 14.25], [-88.0, 14.04], [-87.5, 14.25], [-86.97, 14.03], [-86.75, 13.5], [-86.97, 12.97], [-87.5, 12.75], [-88.0, 12.96], [-88.5, 12.75], [-88.75, 12.85], [-89.0, 12.75], [-89.25, 12.85], [-89.5, 12.75], [-89.75, 12.85], [-90.0, 12.75], [-90.53, 12.97], [-90.75, 13.5], [-90.65, 13.75], [-90.75, 14.0], [-90.53, 14.53], [-90.0, 14.75]]], [[[-92.0, 15.25], [-91.47, 15.03], [-91.25, 14.5], [-91.35, 14.25], [-91.25, 14.0], [-91.47, 13.47], [-92.0, 13.25], [-92.53, 13.47], [-92.75, 14.0], [-92.65, 14.25], [-92.75, 14.5], [-92.53, 15.03], [-92.0, 15.25]]]]}, "2022-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.47, 14.53], [-87.32, 14.18], [-86.97, 14.03], [-86.75, 13.5], [-86.97, 12.97], [-87.5, 12.75], [-88.0, 12.96], [-88.5, 12.75], [-89.03, 12.97], [-89.25, 13.5], [-89.03, 14.03], [-88.68, 14.18], [-88.53, 14.53], [-88.0, 14.75], [-87.47, 14.53]]], [[[-92.18, 15.18], [-92.03, 15.53], [-91.5, 15.75], [-91.25, 15.65], [-91.0, 15.75], [-90.47, 15.53], [-90.32, 15.18], [-90.25, 15.15], [-90.0, 15.25], [-89.47, 15.03], [-89.25, 14.5], [-89.35, 14.25], [-89.25, 14.0], [-89.47, 13.47], [-90.0, 13.25], [-90.53, 13.47], [-90.68, 13.82], [-91.03, 13.97], [-91.18, 14.32], [-91.25, 14.35], [-91.32, 14.32], [-91.35, 14.25], [-91.25, 14.0], [-91.47, 13.47], [-92.0, 13.25], [-92.53, 13.47], [-92.75, 14.0], [-92.65, 14.25], [-92.75, 14.5], [-92.53, 15.03], [-92.18, 15.18]]]]}, "2022-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.53, 15.03], [-92.18, 15.18], [-92.15, 15.25], [-92.25, 15.5], [-92.03, 16.03], [-91.5, 16.25], [-90.97, 16.03], [-90.82, 15.68], [-90.47, 15.53], [-90.32, 15.18], [-90.25, 15.15], [-90.0, 15.25], [-89.5, 15.04], [-89.0, 15.25], [-88.75, 15.15], [-88.5, 15.25], [-87.97, 15.03], [-87.82, 14.68], [-87.47, 14.53], [-87.25, 14.0], [-87.47, 13.47], [-88.0, 13.25], [-88.53, 13.47], [-88.68, 13.82], [-88.75, 13.85], [-89.0, 13.75], [-89.5, 13.96], [-90.0, 13.75], [-90.25, 13.85], [-90.32, 13.82], [-90.47, 13.47], [-91.0, 13.25], [-91.5, 13.46], [-92.0, 13.25], [-92.53, 13.47], [-92.75, 14.0], [-92.65, 14.25], [-92.75, 14.5], [-92.53, 15.03]]]]}, "2022-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.25, 15.5], [-92.03, 16.03], [-91.5, 16.25], [-90.97, 16.03], [-90.82, 15.68], [-90.47, 15.53], [-90.32, 15.18], [-90.25, 15.15], [-90.0, 15.25], [-89.5, 15.04], [-89.0, 15.25], [-88.75, 15.15], [-88.5, 15.25], [-87.97, 15.03], [-87.82, 14.68], [-87.47, 14.53], [-87.25, 14.0], [-87.47, 13.47], [-88.0, 13.25], [-88.53, 13.47], [-88.68, 13.82], [-88.75, 13.85], [-89.0, 13.75], [-89.5, 13.96], [-90.0, 13.75], [-90.25, 13.85], [-90.32, 13.82], [-90.47, 13.47], [-91.0, 13.25], [-91.53, 13.47], [-91.7, 13.88], [-92.0, 13.75], [-92.53, 13.97], [-92.75, 14.5], [-92.53, 15.03], [-92.18, 15.18], [-92.15, 15.25], [-92.25, 15.5]]]]}, "2022-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.25, 15.5], [-92.03, 16.03], [-91.5, 16.25], [-90.97, 16.03], [-90.82, 15.68], [-90.47, 15.53], [-90.32, 15.18], [-90.25, 15.15], [-90.0, 15.25], [-89.5, 15.04], [-89.0, 15.25], [-88.75, 15.15], [-88.5, 15.25], [-87.97, 15.03], [-87.82, 14.68], [-87.47, 14.53], [-87.25, 14.0], [-87.47, 13.47], [-88.0, 13.25], [-88.53, 13.47], [-88.68, 13.82], [-88.75, 13.85], [-88.82, 13.82], [-88.97, 13.47], [-89.5, 13.25], [-90.03, 13.47], [-90.18, 13.82], [-90.25, 13.85], [-90.32, 13.82], [-90.47, 13.47], [-91.0, 13.25], [-91.53, 13.47], [-91.7, 13.88], [-92.0, 13.75], [-92.53, 13.97], [-92.75, 14.5], [-92.53, 15.03], [-92.18, 15.18], [-92.15, 15.25], [-92.25, 15.5]]]]}, "2022-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.5, 15.25], [-90.25, 15.15], [-90.0, 15.25], [-89.47, 15.03], [-89.32, 14.68], [-88.97, 14.53], [-88.75, 14.0], [-88.97, 13.47], [-89.5, 13.25], [-90.03, 13.47], [-90.18, 13.82], [-90.25, 13.85], [-90.32, 13.82], [-90.47, 13.47], [-91.0, 13.25], [-91.53, 13.47], [-91.75, 14.0], [-91.53, 14.53], [-91.18, 14.68], [-91.03, 15.03], [-90.5, 15.25]]]]}, "2022-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.03, 13.97], [-91.25, 14.5], [-91.03, 15.03], [-90.5, 15.25], [-90.25, 15.15], [-90.0, 15.25], [-89.47, 15.03], [-89.32, 14.68], [-88.97, 14.53], [-88.75, 14.0], [-88.97, 13.47], [-89.5, 13.25], [-90.03, 13.47], [-90.18, 13.82], [-90.25, 13.85], [-90.5, 13.75], [-91.03, 13.97]]]]}, "2022-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.03, 13.97], [-91.25, 14.5], [-91.03, 15.03], [-90.5, 15.25], [-90.25, 15.15], [-90.0, 15.25], [-89.47, 15.03], [-89.25, 14.5], [-89.47, 13.97], [-90.0, 13.75], [-90.25, 13.85], [-90.5, 13.75], [-91.03, 13.97]]]]}, "2022-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.5, 15.25], [-89.97, 15.03], [-89.75, 14.5], [-89.97, 13.97], [-90.5, 13.75], [-91.03, 13.97], [-91.25, 14.5], [-91.03, 15.03], [-90.5, 15.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6143772831023284}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7607615158282675}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.150132524502794, 28.65786370201971, 29.178783876432817, 29.344664539933603, 25.813432983836492, 23.642759999113252, 23.499848932186637, 23.978764900997476, 25.567805548149238, 24.43393454866242, 22.84490903812525, 22.292990806699493]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.150132524502794, 30.629323002025558, 31.427998326337274, 31.433761883474176, 31.312727183600202, 31.23111521454223, 31.326021788729122, 31.216975287699825, 29.519108202609345, 28.21623689996494, 23.704601220659356, 22.292990806699493]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5255582224050386, 1.3556543798406664, 1.4309990643322164, 1.3338759682378551, 1.6856208795483951, 1.6359238324281478, 2.1259280608536586, 2.1643870922034334, 1.629147687710784, 2.048213952032787, 2.3645889879333595, 2.2344391798506535]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5255582224050386, 1.677007931227081, 1.8874467965695203, 1.7040169328533352, 2.12374881608946, 2.260029426494498, 2.759381055988001, 3.6143772831023284, 2.137193926924965, 2.547914137412249, 2.7945893391807886, 2.2344391798506535]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5508079430380324, 1.667664348493646, 1.7754865686985557, 1.5974519863373735, 1.6068147601328846, 1.4106507726387827, 1.7494281611271993, 1.8040924888791947, 1.5753679651944281, 1.7512998919282972, 1.9683059219166381, 2.1033145367576647]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5508079430380324, 1.8530371825514296, 2.083821129417959, 1.8282822267802497, 2.0560238321029916, 1.6220459780602297, 2.4369681509224024, 2.8186945087876767, 1.8237427002627704, 1.9358370788041848, 2.0957546465659465, 2.1033145367576647]}}