{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:57.086422", "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": "2014-Mar-04_to_2014-Mar-11_246.5_30.5"}, "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": 2014030001490}, "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 04 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 11 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 76330.72841474641}, "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": ["Gulf of California"]}, "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": 30.5}, "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": 246.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "246.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 243.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 247.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 33.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-114.25, 30.5], [-114.03, 31.03], [-113.5, 31.25], [-113.25, 31.15], [-113.0, 31.25], [-112.47, 31.03], [-112.25, 30.5], [-112.35, 30.25], [-112.25, 30.0], [-112.47, 29.47], [-113.0, 29.25], [-113.53, 29.47], [-113.68, 29.82], [-114.03, 29.97], [-114.25, 30.5]]]]}, "2014-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-116.53, 34.03], [-116.0, 34.25], [-115.5, 34.04], [-115.0, 34.25], [-114.47, 34.03], [-114.32, 33.68], [-113.97, 33.53], [-113.75, 33.0], [-113.96, 32.5], [-113.82, 32.18], [-113.47, 32.03], [-113.32, 31.68], [-112.97, 31.53], [-112.82, 31.18], [-112.47, 31.03], [-112.25, 30.5], [-112.35, 30.25], [-112.25, 30.0], [-112.35, 29.75], [-112.25, 29.5], [-112.47, 28.97], [-113.0, 28.75], [-113.53, 28.97], [-113.68, 29.32], [-113.75, 29.35], [-114.0, 29.25], [-114.53, 29.47], [-114.75, 30.0], [-114.65, 30.25], [-114.68, 30.32], [-115.03, 30.47], [-115.18, 30.82], [-115.53, 30.97], [-115.68, 31.32], [-116.03, 31.47], [-116.25, 32.0], [-116.15, 32.25], [-116.18, 32.32], [-116.53, 32.47], [-116.75, 33.0], [-116.65, 33.25], [-116.75, 33.5], [-116.53, 34.03]]]]}, "2014-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-116.53, 34.03], [-116.0, 34.25], [-115.5, 34.04], [-115.0, 34.25], [-114.47, 34.03], [-114.32, 33.68], [-114.25, 33.65], [-114.0, 33.75], [-113.47, 33.53], [-113.25, 33.0], [-113.46, 32.5], [-113.25, 32.0], [-113.35, 31.75], [-113.32, 31.68], [-112.97, 31.53], [-112.82, 31.18], [-112.47, 31.03], [-112.25, 30.5], [-112.35, 30.25], [-112.25, 30.0], [-112.35, 29.75], [-112.25, 29.5], [-112.47, 28.97], [-113.0, 28.75], [-113.53, 28.97], [-113.68, 29.32], [-113.75, 29.35], [-114.0, 29.25], [-114.25, 29.35], [-114.5, 29.25], [-115.03, 29.47], [-115.25, 30.0], [-115.04, 30.5], [-115.18, 30.82], [-115.53, 30.97], [-115.68, 31.32], [-116.03, 31.47], [-116.25, 32.0], [-116.15, 32.25], [-116.18, 32.32], [-116.53, 32.47], [-116.75, 33.0], [-116.65, 33.25], [-116.75, 33.5], [-116.53, 34.03]]]]}, "2014-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-116.53, 34.03], [-116.0, 34.25], [-115.5, 34.04], [-115.0, 34.25], [-114.47, 34.03], [-114.32, 33.68], [-114.25, 33.65], [-114.0, 33.75], [-113.47, 33.53], [-113.25, 33.0], [-113.46, 32.5], [-113.25, 32.0], [-113.35, 31.75], [-113.32, 31.68], [-112.97, 31.53], [-112.82, 31.18], [-112.47, 31.03], [-112.25, 30.5], [-112.35, 30.25], [-112.25, 30.0], [-112.35, 29.75], [-112.25, 29.5], [-112.47, 28.97], [-113.0, 28.75], [-113.53, 28.97], [-113.68, 29.32], [-113.75, 29.35], [-114.0, 29.25], [-114.25, 29.35], [-114.5, 29.25], [-115.03, 29.47], [-115.25, 30.0], [-115.04, 30.5], [-115.18, 30.82], [-115.53, 30.97], [-115.68, 31.32], [-116.03, 31.47], [-116.25, 32.0], [-116.15, 32.25], [-116.18, 32.32], [-116.53, 32.47], [-116.75, 33.0], [-116.65, 33.25], [-116.75, 33.5], [-116.53, 34.03]]]]}, "2014-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-116.53, 34.03], [-116.0, 34.25], [-115.5, 34.04], [-115.0, 34.25], [-114.47, 34.03], [-114.32, 33.68], [-114.25, 33.65], [-114.0, 33.75], [-113.47, 33.53], [-113.25, 33.0], [-113.46, 32.5], [-113.25, 32.0], [-113.35, 31.75], [-113.32, 31.68], [-112.97, 31.53], [-112.75, 31.0], [-112.85, 30.75], [-112.75, 30.5], [-112.85, 30.25], [-112.75, 30.0], [-112.97, 29.47], [-113.5, 29.25], [-113.75, 29.35], [-114.0, 29.25], [-114.25, 29.35], [-114.5, 29.25], [-115.03, 29.47], [-115.25, 30.0], [-115.15, 30.25], [-115.25, 30.5], [-115.15, 30.75], [-115.18, 30.82], [-115.53, 30.97], [-115.75, 31.5], [-115.65, 31.75], [-115.68, 31.82], [-116.03, 31.97], [-116.18, 32.32], [-116.53, 32.47], [-116.75, 33.0], [-116.65, 33.25], [-116.75, 33.5], [-116.53, 34.03]]]]}, "2014-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-116.53, 34.03], [-116.0, 34.25], [-115.47, 34.03], [-115.32, 33.68], [-115.25, 33.65], [-115.0, 33.75], [-114.5, 33.54], [-114.0, 33.75], [-113.47, 33.53], [-113.25, 33.0], [-113.46, 32.5], [-113.25, 32.0], [-113.35, 31.75], [-113.32, 31.68], [-112.97, 31.53], [-112.75, 31.0], [-112.85, 30.75], [-112.82, 30.68], [-112.47, 30.53], [-112.25, 30.0], [-112.47, 29.47], [-113.0, 29.25], [-113.25, 29.35], [-113.5, 29.25], [-113.75, 29.35], [-114.0, 29.25], [-114.53, 29.47], [-114.68, 29.82], [-115.03, 29.97], [-115.25, 30.5], [-115.15, 30.75], [-115.25, 31.0], [-115.15, 31.25], [-115.25, 31.5], [-115.15, 31.75], [-115.18, 31.82], [-115.53, 31.97], [-115.68, 32.32], [-115.75, 32.35], [-116.0, 32.25], [-116.53, 32.47], [-116.75, 33.0], [-116.65, 33.25], [-116.75, 33.5], [-116.53, 34.03]]]]}, "2014-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-115.15, 31.25], [-115.25, 31.5], [-115.03, 32.03], [-114.5, 32.25], [-113.97, 32.03], [-113.82, 31.68], [-113.75, 31.65], [-113.5, 31.75], [-112.97, 31.53], [-112.75, 31.0], [-112.85, 30.75], [-112.82, 30.68], [-112.47, 30.53], [-112.25, 30.0], [-112.47, 29.47], [-113.0, 29.25], [-113.25, 29.35], [-113.5, 29.25], [-113.75, 29.35], [-114.0, 29.25], [-114.53, 29.47], [-114.68, 29.82], [-115.03, 29.97], [-115.25, 30.5], [-115.15, 30.75], [-115.25, 31.0], [-115.15, 31.25]]]]}, "2014-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-114.03, 31.03], [-113.5, 31.25], [-112.97, 31.03], [-112.82, 30.68], [-112.47, 30.53], [-112.25, 30.0], [-112.47, 29.47], [-113.0, 29.25], [-113.25, 29.35], [-113.5, 29.25], [-114.03, 29.47], [-114.25, 30.0], [-114.15, 30.25], [-114.25, 30.5], [-114.03, 31.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.952838073820203}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6410243847587394}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.84960724673539, 20.56499132805203, 21.697163183987016, 21.46355378659058, 22.02019208015514, 22.28665415427048, 20.57651725615932, 19.76966431007787]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.02259168331642, 23.28483814369912, 24.28026789068855, 23.88101530821092, 23.82067713597172, 24.21077392614444, 20.998216539279667, 19.910253252028042]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.69017173723023, 3.1271390790921316, 4.095752523084376, 3.6765674488014275, 3.928371314989479, 4.128261340362508, 2.7689962604340055, 2.0484610102058505]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.738061098099422, 4.556518924005502, 5.952838073820203, 5.794492090660981, 5.468312144476215, 5.432501904539038, 2.8887720217294373, 2.1961192795086504]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3268109275467912, 1.5967174331534617, 1.93647070624703, 1.645441026574473, 1.7082496470411996, 1.8914747577238118, 1.7681469585557648, 1.4274222721035177]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3742720922274396, 2.154789204242831, 2.3423685456180756, 2.0023071303427242, 2.354421386218514, 2.754899949341362, 2.1150900860349338, 1.4837248825011562]}}