{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:38.914185", "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": "2019-Apr-29_to_2019-May-02_256.0_19.5"}, "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": 2019040002865}, "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 29 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 02 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 57881.91597657206}, "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": 19.5}, "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": 256.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "256.0\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": 259.25}, "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": 22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-102.15, 22.25], [-102.25, 22.5], [-102.03, 23.03], [-101.5, 23.25], [-100.97, 23.03], [-100.75, 22.5], [-100.85, 22.25], [-100.75, 22.0], [-100.85, 21.75], [-100.75, 21.5], [-100.97, 20.97], [-101.5, 20.75], [-102.03, 20.97], [-102.25, 21.5], [-102.15, 21.75], [-102.25, 22.0], [-102.15, 22.25]]]]}, "2019-04-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.75, 20.5], [-105.53, 21.03], [-105.0, 21.25], [-104.5, 21.04], [-104.0, 21.25], [-103.75, 21.15], [-103.68, 21.18], [-103.53, 21.53], [-103.0, 21.75], [-102.75, 21.65], [-102.5, 21.75], [-102.2, 21.62], [-102.15, 21.75], [-102.25, 22.0], [-102.15, 22.25], [-102.25, 22.5], [-102.03, 23.03], [-101.5, 23.25], [-100.97, 23.03], [-100.75, 22.5], [-100.85, 22.25], [-100.75, 22.0], [-100.85, 21.75], [-100.82, 21.68], [-100.47, 21.53], [-100.25, 21.0], [-100.47, 20.47], [-101.0, 20.25], [-101.25, 20.35], [-101.32, 20.32], [-101.47, 19.97], [-101.87, 19.8], [-101.75, 19.5], [-101.97, 18.97], [-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], [-104.68, 19.32], [-105.03, 19.47], [-105.18, 19.82], [-105.53, 19.97], [-105.75, 20.5]]]]}, "2019-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.75, 20.5], [-105.53, 21.03], [-105.0, 21.25], [-104.5, 21.04], [-104.0, 21.25], [-103.75, 21.15], [-103.68, 21.18], [-103.53, 21.53], [-103.0, 21.75], [-102.75, 21.65], [-102.5, 21.75], [-102.2, 21.62], [-102.15, 21.75], [-102.25, 22.0], [-102.15, 22.25], [-102.25, 22.5], [-102.03, 23.03], [-101.5, 23.25], [-100.97, 23.03], [-100.75, 22.5], [-100.85, 22.25], [-100.75, 22.0], [-100.85, 21.75], [-100.82, 21.68], [-100.47, 21.53], [-100.25, 21.0], [-100.47, 20.47], [-101.0, 20.25], [-101.25, 20.35], [-101.32, 20.32], [-101.47, 19.97], [-101.87, 19.8], [-101.75, 19.5], [-101.97, 18.97], [-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], [-104.68, 19.32], [-105.03, 19.47], [-105.18, 19.82], [-105.53, 19.97], [-105.75, 20.5]]]]}, "2019-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.75, 20.5], [-105.53, 21.03], [-105.0, 21.25], [-104.5, 21.04], [-104.0, 21.25], [-103.75, 21.15], [-103.68, 21.18], [-103.53, 21.53], [-103.0, 21.75], [-102.75, 21.65], [-102.5, 21.75], [-102.2, 21.62], [-102.15, 21.75], [-102.25, 22.0], [-102.03, 22.53], [-101.5, 22.75], [-100.97, 22.53], [-100.75, 22.0], [-100.85, 21.75], [-100.82, 21.68], [-100.47, 21.53], [-100.25, 21.0], [-100.47, 20.47], [-101.0, 20.25], [-101.25, 20.35], [-101.32, 20.32], [-101.47, 19.97], [-101.87, 19.8], [-101.75, 19.5], [-101.97, 18.97], [-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], [-104.68, 19.32], [-105.03, 19.47], [-105.18, 19.82], [-105.53, 19.97], [-105.75, 20.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.929418382872882}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1346665544535983}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.781531964638987, 24.102898242709102, 24.193325018202586, 24.21911388187749]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.483870606162952, 26.82830833259777, 26.972089974240475, 27.086753177883907]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.414906171729266, 2.182015624865895, 2.1837433049838326, 1.988917329681092]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.593342058058113, 2.929418382872882, 2.6777812571579602, 2.657771847410686]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2347802471638938, 1.4926927064747555, 1.516353618900613, 1.4245132546680264]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2913903377413798, 2.197007548570027, 1.8312766483594176, 1.747672743417384]}}