{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:44.100200", "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": "2015-Aug-25_to_2015-Aug-30_255.5_21.5"}, "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": 2015080002695}, "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": "August 25 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 30 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 57920.137103736575}, "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": ["Mexico"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": []}, "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": 21.5}, "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": 255.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "255.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 254.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 258.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.53, 22.03], [-105.18, 22.18], [-105.03, 22.53], [-104.5, 22.75], [-103.97, 22.53], [-103.75, 22.0], [-103.85, 21.75], [-103.75, 21.5], [-103.97, 20.97], [-104.37, 20.8], [-104.25, 20.5], [-104.47, 19.97], [-105.0, 19.75], [-105.53, 19.97], [-105.75, 20.5], [-105.54, 21.0], [-105.75, 21.5], [-105.53, 22.03]]]]}, "2015-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.53, 22.03], [-105.18, 22.18], [-105.03, 22.53], [-104.5, 22.75], [-103.97, 22.53], [-103.75, 22.0], [-103.85, 21.75], [-103.82, 21.68], [-103.47, 21.53], [-103.25, 21.0], [-103.47, 20.47], [-104.0, 20.25], [-104.25, 20.35], [-104.32, 20.32], [-104.47, 19.97], [-105.0, 19.75], [-105.53, 19.97], [-105.75, 20.5], [-105.54, 21.0], [-105.75, 21.5], [-105.53, 22.03]]]]}, "2015-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.53, 22.03], [-105.18, 22.18], [-105.03, 22.53], [-104.5, 22.75], [-103.97, 22.53], [-103.82, 22.18], [-103.47, 22.03], [-103.32, 21.68], [-102.97, 21.53], [-102.75, 21.0], [-102.97, 20.47], [-103.32, 20.32], [-103.35, 20.25], [-103.25, 20.0], [-103.47, 19.47], [-104.0, 19.25], [-104.53, 19.47], [-104.68, 19.82], [-104.75, 19.85], [-105.0, 19.75], [-105.53, 19.97], [-105.75, 20.5], [-105.54, 21.0], [-105.75, 21.5], [-105.53, 22.03]]]]}, "2015-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.15, 21.25], [-105.25, 21.5], [-105.15, 21.75], [-105.25, 22.0], [-105.03, 22.53], [-104.5, 22.75], [-103.97, 22.53], [-103.82, 22.18], [-103.47, 22.03], [-103.32, 21.68], [-102.97, 21.53], [-102.75, 21.0], [-102.85, 20.75], [-102.82, 20.68], [-102.75, 20.65], [-102.5, 20.75], [-101.97, 20.53], [-101.82, 20.18], [-101.47, 20.03], [-101.25, 19.5], [-101.47, 18.97], [-102.0, 18.75], [-102.25, 18.85], [-102.5, 18.75], [-102.75, 18.85], [-103.0, 18.75], [-103.25, 18.85], [-103.5, 18.75], [-103.75, 18.85], [-104.0, 18.75], [-104.53, 18.97], [-104.75, 19.5], [-104.65, 19.75], [-104.68, 19.82], [-105.03, 19.97], [-105.25, 20.5], [-105.15, 20.75], [-105.25, 21.0], [-105.15, 21.25]]]]}, "2015-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.15, 21.25], [-105.25, 21.5], [-105.15, 21.75], [-105.25, 22.0], [-105.03, 22.53], [-104.5, 22.75], [-103.97, 22.53], [-103.82, 22.18], [-103.47, 22.03], [-103.32, 21.68], [-102.97, 21.53], [-102.75, 21.0], [-102.85, 20.75], [-102.82, 20.68], [-102.75, 20.65], [-102.5, 20.75], [-101.97, 20.53], [-101.82, 20.18], [-101.47, 20.03], [-101.25, 19.5], [-101.47, 18.97], [-102.0, 18.75], [-102.25, 18.85], [-102.5, 18.75], [-102.75, 18.85], [-103.0, 18.75], [-103.25, 18.85], [-103.5, 18.75], [-103.75, 18.85], [-104.0, 18.75], [-104.53, 18.97], [-104.75, 19.5], [-104.65, 19.75], [-104.68, 19.82], [-105.03, 19.97], [-105.25, 20.5], [-105.15, 20.75], [-105.25, 21.0], [-105.15, 21.25]]]]}, "2015-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.15, 21.25], [-105.25, 21.5], [-105.15, 21.75], [-105.25, 22.0], [-105.03, 22.53], [-104.5, 22.75], [-103.97, 22.53], [-103.82, 22.18], [-103.47, 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22.479335063756025, 22.732951856386023, 22.58356879900151]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.44091562061527, 26.24524682324551, 25.99625953610399, 25.304963519346813, 25.140313340240425, 24.98748376971554]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6124815436489968, 1.8236778172258141, 1.958896249312328, 1.7104439329533407, 1.9933296359158135, 1.8849117973066396]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7870075836264618, 2.196435584131507, 2.8284852037280643, 2.4366329441652965, 2.9038644011207566, 2.992327218331866]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7056689902072286, 1.7644302828746552, 1.847825736855461, 1.7027217765540579, 2.0186878196369795, 1.9008194661155566]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9622300606048328, 2.0009369200253495, 2.387084396957401, 2.370505920556154, 3.133692525225539, 2.9336955151867032]}}