{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:43.408892", "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": "2023-Mar-20_to_2023-Mar-24_262.5_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": 2023030002119}, "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 20 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 24 2023"}, "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": 142683.25904932088}, "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", "N.Pacific-Ocean", "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": 262.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "262.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 255.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 263.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-104.25, 15.0], [-104.03, 15.53], [-103.5, 15.75], [-103.25, 15.65], [-103.0, 15.75], [-102.47, 15.53], [-102.25, 15.0], [-102.47, 14.47], [-103.0, 14.25], [-103.25, 14.35], [-103.5, 14.25], [-104.03, 14.47], [-104.25, 15.0]]], [[[-104.25, 17.5], [-104.03, 18.03], [-103.5, 18.25], [-102.97, 18.03], [-102.75, 17.5], [-102.97, 16.97], [-103.5, 16.75], [-104.03, 16.97], [-104.25, 17.5]]], [[[-101.25, 17.5], [-101.47, 16.97], [-102.0, 16.75], [-102.53, 16.97], [-102.75, 17.5], [-102.53, 18.03], [-102.0, 18.25], [-101.47, 18.03], [-101.25, 17.5]]]]}, "2023-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.03, 16.03], [-104.5, 16.25], [-104.25, 16.15], [-104.0, 16.25], [-103.75, 16.15], [-103.68, 16.18], [-103.62, 16.3], [-104.03, 16.47], [-104.25, 17.0], [-104.15, 17.25], [-104.25, 17.5], [-104.03, 18.03], [-103.5, 18.25], [-103.25, 18.15], [-103.0, 18.25], [-102.75, 18.15], [-102.5, 18.25], [-102.25, 18.15], [-102.0, 18.25], [-101.47, 18.03], [-101.32, 17.68], [-100.97, 17.53], [-100.82, 17.18], [-100.75, 17.15], [-100.5, 17.25], [-100.25, 17.15], [-100.0, 17.25], [-99.47, 17.03], [-99.32, 16.68], [-99.25, 16.65], [-99.0, 16.75], [-98.47, 16.53], [-98.32, 16.18], [-98.25, 16.15], [-98.18, 16.18], [-98.03, 16.53], [-97.5, 16.75], [-96.97, 16.53], [-96.82, 16.18], [-96.47, 16.03], [-96.25, 15.5], [-96.47, 14.97], [-96.82, 14.82], [-96.85, 14.75], [-96.75, 14.5], [-96.97, 13.97], [-97.5, 13.75], [-98.03, 13.97], [-98.18, 14.32], [-98.25, 14.35], [-98.5, 14.25], [-99.03, 14.47], [-99.18, 14.82], [-99.53, 14.97], [-99.68, 15.32], [-99.75, 15.35], [-100.0, 15.25], [-100.25, 15.35], [-100.32, 15.32], [-100.47, 14.97], [-101.0, 14.75], [-101.25, 14.85], [-101.5, 14.75], [-101.75, 14.85], [-102.0, 14.75], [-102.25, 14.85], [-102.32, 14.82], [-102.47, 14.47], [-103.0, 14.25], [-103.25, 14.35], [-103.5, 14.25], [-103.75, 14.35], [-104.0, 14.25], [-104.25, 14.35], [-104.5, 14.25], [-105.03, 14.47], [-105.25, 15.0], [-105.15, 15.25], [-105.25, 15.5], [-105.03, 16.03]]]]}, "2023-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.03, 16.03], [-104.5, 16.25], [-104.25, 16.15], [-104.0, 16.25], [-103.75, 16.15], [-103.68, 16.18], [-103.62, 16.3], [-104.03, 16.47], [-104.25, 17.0], [-104.15, 17.25], [-104.25, 17.5], [-104.03, 18.03], [-103.5, 18.25], [-103.25, 18.15], [-103.0, 18.25], [-102.75, 18.15], [-102.5, 18.25], [-102.25, 18.15], [-102.0, 18.25], [-101.47, 18.03], [-101.32, 17.68], [-100.97, 17.53], [-100.82, 17.18], [-100.75, 17.15], [-100.5, 17.25], [-100.25, 17.15], [-100.0, 17.25], [-99.47, 17.03], [-99.32, 16.68], [-99.25, 16.65], [-99.0, 16.75], [-98.47, 16.53], [-98.32, 16.18], [-98.25, 16.15], [-98.18, 16.18], [-98.03, 16.53], [-97.5, 16.75], [-96.97, 16.53], [-96.82, 16.18], [-96.47, 16.03], [-96.25, 15.5], [-96.35, 15.25], [-96.25, 15.0], [-96.47, 14.47], [-96.82, 14.32], [-96.97, 13.97], [-97.5, 13.75], [-97.75, 13.85], [-98.0, 13.75], [-98.25, 13.85], [-98.5, 13.75], [-99.03, 13.97], [-99.25, 14.5], [-99.15, 14.75], [-99.18, 14.82], [-99.53, 14.97], [-99.68, 15.32], [-99.75, 15.35], [-100.0, 15.25], [-100.25, 15.35], [-100.32, 15.32], [-100.47, 14.97], [-101.0, 14.75], [-101.25, 14.85], [-101.5, 14.75], [-101.75, 14.85], [-102.0, 14.75], [-102.25, 14.85], [-102.32, 14.82], [-102.47, 14.47], [-103.0, 14.25], [-103.25, 14.35], [-103.5, 14.25], [-103.75, 14.35], [-104.0, 14.25], [-104.25, 14.35], [-104.5, 14.25], [-105.03, 14.47], [-105.25, 15.0], [-105.15, 15.25], [-105.25, 15.5], [-105.03, 16.03]]]]}, "2023-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.03, 16.03], [-104.5, 16.25], [-104.25, 16.15], [-104.0, 16.25], [-103.75, 16.15], [-103.68, 16.18], [-103.62, 16.3], [-104.03, 16.47], [-104.25, 17.0], [-104.03, 17.53], [-103.68, 17.68], [-103.53, 18.03], [-103.0, 18.25], [-102.75, 18.15], [-102.5, 18.25], [-102.25, 18.15], [-102.0, 18.25], [-101.47, 18.03], [-101.32, 17.68], [-100.97, 17.53], [-100.82, 17.18], [-100.75, 17.15], [-100.5, 17.25], [-100.25, 17.15], [-100.0, 17.25], [-99.47, 17.03], [-99.32, 16.68], [-99.25, 16.65], [-99.0, 16.75], [-98.47, 16.53], [-98.32, 16.18], [-98.25, 16.15], [-98.18, 16.18], [-98.03, 16.53], [-97.5, 16.75], [-96.97, 16.53], [-96.82, 16.18], [-96.47, 16.03], [-96.25, 15.5], [-96.35, 15.25], [-96.25, 15.0], [-96.47, 14.47], [-96.82, 14.32], [-96.97, 13.97], [-97.5, 13.75], [-97.75, 13.85], [-98.0, 13.75], [-98.25, 13.85], [-98.5, 13.75], [-99.03, 13.97], [-99.25, 14.5], [-99.15, 14.75], [-99.18, 14.82], [-99.53, 14.97], [-99.68, 15.32], [-99.75, 15.35], [-100.0, 15.25], [-100.25, 15.35], [-100.32, 15.32], [-100.47, 14.97], [-101.0, 14.75], [-101.25, 14.85], [-101.5, 14.75], [-101.75, 14.85], [-102.0, 14.75], [-102.25, 14.85], [-102.32, 14.82], [-102.47, 14.47], [-103.0, 14.25], [-103.25, 14.35], [-103.5, 14.25], [-103.75, 14.35], [-104.0, 14.25], [-104.25, 14.35], [-104.5, 14.25], [-105.03, 14.47], [-105.25, 15.0], [-105.15, 15.25], [-105.25, 15.5], [-105.03, 16.03]]]]}, "2023-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.12, 15.7], [-98.25, 16.0], [-98.03, 16.53], [-97.5, 16.75], [-96.97, 16.53], [-96.75, 16.0], [-96.87, 15.7], [-96.47, 15.53], [-96.25, 15.0], [-96.47, 14.47], [-96.82, 14.32], [-96.97, 13.97], [-97.5, 13.75], [-97.75, 13.85], [-98.0, 13.75], [-98.25, 13.85], [-98.5, 13.75], [-99.03, 13.97], [-99.25, 14.5], [-99.03, 15.03], [-98.68, 15.18], [-98.53, 15.53], [-98.12, 15.7]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.126307707698288}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2510429783062222}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.937818291939948, 27.573026029645746, 27.863291159516848, 27.737169409101682, 28.309548423109163]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.45716616006672, 28.48209296778299, 28.69321653868934, 28.830275186114932, 28.53464613013938]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1207840616527136, 1.193147843927976, 1.3968562287757489, 1.22813232729103, 0.8516260195650602]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.240953400930664, 1.7645530657837867, 2.126307707698288, 1.5430680273105395, 1.0066162094300921]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2553028278157339, 1.4288877270329494, 1.704605616590266, 1.5225229042229236, 1.390527716065066]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2844178439491738, 1.8061797600528455, 2.0924761646409844, 2.062784181042629, 1.526278904113575]}}