{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:21:07.416588", "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-Dec-14_to_2019-Dec-16_259.0_27.0"}, "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": 2019120001736}, "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": "December 14 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 16 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 73917.81714168841}, "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", "United States"]}, "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": 27.0}, "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": 259.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "259.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 255.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 260.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-104.53, 28.03], [-104.0, 28.25], [-103.75, 28.15], [-103.68, 28.18], [-103.53, 28.53], [-103.0, 28.75], [-102.75, 28.65], [-102.62, 28.7], [-102.75, 29.0], [-102.65, 29.25], [-102.75, 29.5], [-102.65, 29.75], [-102.75, 30.0], [-102.53, 30.53], [-102.0, 30.75], [-101.47, 30.53], [-101.25, 30.0], [-101.35, 29.75], [-101.32, 29.68], [-100.97, 29.53], [-100.82, 29.18], [-100.47, 29.03], [-100.32, 28.68], [-99.97, 28.53], [-99.75, 28.0], [-99.96, 27.5], [-99.75, 27.0], [-99.85, 26.75], [-99.82, 26.68], [-99.75, 26.65], [-99.5, 26.75], [-98.97, 26.53], [-98.75, 26.0], [-98.97, 25.47], [-99.5, 25.25], [-99.75, 25.35], [-100.0, 25.25], [-100.25, 25.35], [-100.5, 25.25], [-101.03, 25.47], [-101.18, 25.82], [-101.53, 25.97], [-101.75, 26.5], [-101.65, 26.75], [-101.68, 26.82], [-101.75, 26.85], [-101.82, 26.82], [-101.97, 26.47], [-102.5, 26.25], [-103.03, 26.47], [-103.2, 26.88], [-103.32, 26.82], [-103.47, 26.47], [-104.0, 26.25], [-104.53, 26.47], [-104.75, 27.0], [-104.65, 27.25], [-104.75, 27.5], [-104.53, 28.03]]]]}, "2019-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-104.53, 28.03], [-104.0, 28.25], [-103.75, 28.15], [-103.68, 28.18], [-103.53, 28.53], [-103.0, 28.75], [-102.75, 28.65], [-102.62, 28.7], [-102.75, 29.0], [-102.65, 29.25], [-102.75, 29.5], [-102.65, 29.75], [-102.75, 30.0], [-102.53, 30.53], [-102.0, 30.75], [-101.47, 30.53], [-101.25, 30.0], [-101.35, 29.75], [-101.32, 29.68], [-100.97, 29.53], [-100.82, 29.18], [-100.47, 29.03], [-100.32, 28.68], [-99.97, 28.53], [-99.75, 28.0], [-99.96, 27.5], [-99.75, 27.0], [-99.85, 26.75], [-99.82, 26.68], [-99.75, 26.65], [-99.5, 26.75], [-98.97, 26.53], [-98.75, 26.0], [-98.97, 25.47], [-99.5, 25.25], [-99.75, 25.35], [-100.0, 25.25], [-100.25, 25.35], [-100.5, 25.25], [-101.03, 25.47], [-101.18, 25.82], [-101.53, 25.97], [-101.75, 26.5], [-101.65, 26.75], [-101.68, 26.82], [-101.75, 26.85], [-101.82, 26.82], [-101.97, 26.47], [-102.5, 26.25], [-103.03, 26.47], [-103.2, 26.88], [-103.32, 26.82], [-103.47, 26.47], [-104.0, 26.25], [-104.53, 26.47], [-104.75, 27.0], [-104.65, 27.25], [-104.75, 27.5], [-104.53, 28.03]]]]}, "2019-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-104.53, 28.03], [-104.0, 28.25], [-103.75, 28.15], [-103.68, 28.18], [-103.53, 28.53], [-103.0, 28.75], [-102.75, 28.65], [-102.62, 28.7], [-102.75, 29.0], [-102.65, 29.25], [-102.75, 29.5], [-102.65, 29.75], [-102.75, 30.0], [-102.53, 30.53], [-102.0, 30.75], [-101.47, 30.53], [-101.25, 30.0], [-101.35, 29.75], [-101.32, 29.68], [-100.97, 29.53], [-100.82, 29.18], [-100.47, 29.03], [-100.32, 28.68], [-99.97, 28.53], [-99.75, 28.0], [-99.96, 27.5], [-99.75, 27.0], [-99.85, 26.75], [-99.82, 26.68], [-99.75, 26.65], [-99.5, 26.75], [-98.97, 26.53], [-98.75, 26.0], [-98.97, 25.47], [-99.5, 25.25], [-99.75, 25.35], [-100.0, 25.25], [-100.25, 25.35], [-100.5, 25.25], [-101.03, 25.47], [-101.18, 25.82], [-101.53, 25.97], [-101.75, 26.5], [-101.65, 26.75], [-101.68, 26.82], [-101.75, 26.85], [-101.82, 26.82], [-101.97, 26.47], [-102.5, 26.25], [-103.03, 26.47], [-103.2, 26.88], [-103.32, 26.82], [-103.47, 26.47], [-104.0, 26.25], [-104.53, 26.47], [-104.75, 27.0], [-104.65, 27.25], [-104.75, 27.5], [-104.53, 28.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.208454199453058}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.871010265463913}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.504127873173047, 20.56398292635879, 19.188980549371763]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.52680823304223, 24.295627873298997, 24.067060650588814]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.901544684832844, 7.985871783369755, 6.725614328189143]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.824693359695459, 10.208454199453058, 9.30672975235018]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5519447395837949, 2.156478168189139, 1.8630044055883939]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.179444600487, 2.635844163467149, 2.436707908162197]}}