{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:45.528578", "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": "2012-Feb-29_to_2012-Mar-09_268.0_0.0"}, "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": 2012020002724}, "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": "February 29 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 09 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 151450.57577785692}, "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": ["Ecuador"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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", "South 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": 0.0}, "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": 268.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "268.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 265.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 272.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-02-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.53, 0.53], [-92.0, 0.75], [-91.47, 0.53], [-91.32, 0.18], [-90.97, 0.03], [-90.75, -0.5], [-90.85, -0.75], [-90.75, -1.0], [-90.97, -1.53], [-91.5, -1.75], [-91.75, -1.65], [-92.0, -1.75], [-92.53, -1.53], [-92.75, -1.0], [-92.54, -0.5], [-92.75, 0.0], [-92.53, 0.53]]]]}, "2012-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.65, -0.25], [-92.75, 0.0], [-92.53, 0.53], [-92.0, 0.75], [-91.47, 0.53], [-91.32, 0.18], [-90.97, 0.03], [-90.75, -0.5], [-90.85, -0.75], [-90.75, -1.0], [-90.97, -1.53], [-91.5, -1.75], [-91.75, -1.65], [-92.0, -1.75], [-92.53, -1.53], [-92.75, -1.0], [-92.65, -0.75], [-92.75, -0.5], [-92.65, -0.25]]]]}, "2012-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.65, -0.25], [-92.75, 0.0], [-92.53, 0.53], [-92.0, 0.75], [-91.47, 0.53], [-91.32, 0.18], [-90.97, 0.03], [-90.75, -0.5], [-90.85, -0.75], [-90.75, -1.0], [-90.97, -1.53], [-91.5, -1.75], [-91.75, -1.65], [-92.0, -1.75], [-92.53, -1.53], [-92.75, -1.0], [-92.65, -0.75], [-92.75, -0.5], [-92.65, -0.25]]]]}, "2012-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.53, -0.03], [-93.75, 0.5], [-93.53, 1.03], [-93.0, 1.25], [-92.75, 1.15], [-92.5, 1.25], [-92.25, 1.15], [-92.0, 1.25], [-91.47, 1.03], [-91.32, 0.68], [-90.97, 0.53], [-90.75, 0.0], [-90.85, -0.25], [-90.75, -0.5], [-90.97, -1.03], [-91.32, -1.18], [-91.47, -1.53], [-92.0, -1.75], [-92.53, -1.53], [-92.75, -1.0], [-92.65, -0.75], [-92.75, -0.5], [-92.65, -0.25], [-92.68, -0.18], [-92.75, -0.15], [-93.0, -0.25], [-93.53, -0.03]]]]}, "2012-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.03, -0.03], [-95.25, 0.5], [-95.03, 1.03], [-94.5, 1.25], [-94.25, 1.15], [-94.18, 1.18], [-94.03, 1.53], [-93.5, 1.75], [-92.97, 1.53], [-92.82, 1.18], [-92.75, 1.15], [-92.5, 1.25], [-92.25, 1.15], [-92.0, 1.25], [-91.47, 1.03], [-91.32, 0.68], [-90.97, 0.53], [-90.75, 0.0], [-90.97, -0.53], [-91.5, -0.75], [-92.03, -0.53], [-92.18, -0.18], [-92.25, -0.15], [-92.5, -0.25], [-92.75, -0.15], [-93.0, -0.25], [-93.25, -0.15], [-93.5, -0.25], [-93.75, -0.15], [-94.0, -0.25], [-94.25, -0.15], [-94.5, -0.25], [-95.03, -0.03]]]]}, "2012-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.03, -1.53], [-90.25, -1.0], [-90.03, -0.47], [-89.5, -0.25], [-88.97, -0.47], [-88.75, -1.0], [-88.97, -1.53], [-89.5, -1.75], [-90.03, -1.53]]], [[[-95.03, 1.03], [-94.5, 1.25], [-94.25, 1.15], [-94.18, 1.18], [-94.03, 1.53], [-93.5, 1.75], [-92.97, 1.53], [-92.82, 1.18], [-92.75, 1.15], [-92.5, 1.25], [-92.25, 1.15], [-92.0, 1.25], [-91.47, 1.03], [-91.32, 0.68], [-90.97, 0.53], [-90.75, 0.0], [-90.85, -0.25], [-90.75, -0.5], [-90.97, -1.03], [-91.5, -1.25], [-91.75, -1.15], [-92.0, -1.25], [-92.25, -1.15], [-92.5, -1.25], [-92.75, -1.15], [-93.0, -1.25], [-93.53, -1.03], [-93.68, -0.68], [-93.75, -0.65], [-94.0, -0.75], [-94.53, -0.53], [-94.68, -0.18], [-95.03, -0.03], [-95.25, 0.5], [-95.03, 1.03]]]]}, "2012-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.03, 1.53], [-94.68, 1.68], [-94.53, 2.03], [-94.0, 2.25], [-93.75, 2.15], [-93.5, 2.25], [-93.25, 2.15], [-93.0, 2.25], [-92.47, 2.03], [-92.25, 1.5], [-92.46, 1.0], [-92.32, 0.68], [-92.25, 0.65], [-92.0, 0.75], [-91.75, 0.65], [-91.5, 0.75], [-91.25, 0.65], [-91.0, 0.75], [-90.75, 0.65], [-90.5, 0.75], [-90.25, 0.65], [-90.0, 0.75], [-89.75, 0.65], [-89.5, 0.75], [-89.25, 0.65], [-89.0, 0.75], [-88.47, 0.53], [-88.32, 0.18], [-88.25, 0.15], [-88.0, 0.25], [-87.75, 0.15], [-87.5, 0.25], [-86.97, 0.03], [-86.75, -0.5], [-86.85, -0.75], [-86.75, -1.0], [-86.97, -1.53], [-87.5, -1.75], [-87.75, -1.65], [-88.0, -1.75], [-88.25, -1.65], [-88.5, -1.75], [-88.75, -1.65], [-89.0, -1.75], [-89.25, -1.65], [-89.5, -1.75], [-90.03, -1.53], [-90.18, -1.18], [-90.53, -1.03], [-90.68, -0.68], [-90.75, -0.65], [-90.82, -0.68], [-90.97, -1.03], [-91.5, -1.25], [-91.75, -1.15], [-92.0, -1.25], [-92.25, -1.15], [-92.5, -1.25], [-92.75, -1.15], [-93.0, -1.25], [-93.25, -1.15], [-93.5, -1.25], [-94.03, -1.03], [-94.18, -0.68], [-94.53, -0.53], [-94.68, -0.18], [-95.03, -0.03], [-95.25, 0.5], [-95.15, 0.75], [-95.25, 1.0], [-95.03, 1.53]]]]}, "2012-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.25, 1.0], [-95.03, 1.53], [-94.68, 1.68], [-94.53, 2.03], [-94.0, 2.25], [-93.75, 2.15], [-93.5, 2.25], [-93.25, 2.15], [-93.0, 2.25], [-92.47, 2.03], [-92.32, 1.68], [-92.25, 1.65], [-92.0, 1.75], [-91.47, 1.53], [-91.32, 1.18], [-91.25, 1.15], [-91.18, 1.18], [-91.03, 1.53], [-90.5, 1.75], [-89.97, 1.53], [-89.82, 1.18], [-89.47, 1.03], [-89.32, 0.68], [-89.25, 0.65], [-89.0, 0.75], [-88.47, 0.53], [-88.32, 0.18], [-88.25, 0.15], [-88.0, 0.25], [-87.75, 0.15], [-87.5, 0.25], [-86.97, 0.03], [-86.75, -0.5], [-86.85, -0.75], [-86.75, -1.0], [-86.97, -1.53], [-87.5, -1.75], [-87.75, -1.65], [-88.0, -1.75], [-88.25, -1.65], [-88.5, -1.75], [-88.75, -1.65], [-89.0, -1.75], [-89.25, -1.65], [-89.5, -1.75], [-90.03, -1.53], [-90.18, -1.18], [-90.53, -1.03], [-90.68, -0.68], [-90.75, -0.65], [-90.82, -0.68], [-90.97, -1.03], [-91.5, -1.25], [-91.75, -1.15], [-92.0, -1.25], [-92.25, -1.15], [-92.5, -1.25], [-92.75, -1.15], [-93.0, -1.25], [-93.25, -1.15], [-93.5, -1.25], [-94.03, -1.03], [-94.18, -0.68], [-94.53, -0.53], [-94.75, 0.0], [-94.65, 0.25], [-94.68, 0.32], [-95.03, 0.47], [-95.25, 1.0]]]]}, "2012-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.25, 1.0], [-95.03, 1.53], [-94.68, 1.68], [-94.53, 2.03], [-94.0, 2.25], [-93.75, 2.15], [-93.5, 2.25], [-93.25, 2.15], [-93.0, 2.25], [-92.47, 2.03], [-92.32, 1.68], [-92.25, 1.65], [-92.0, 1.75], [-91.47, 1.53], [-91.32, 1.18], [-91.25, 1.15], [-91.18, 1.18], [-91.03, 1.53], [-90.5, 1.75], [-89.97, 1.53], [-89.82, 1.18], [-89.47, 1.03], [-89.32, 0.68], [-89.25, 0.65], [-89.0, 0.75], [-88.47, 0.53], [-88.32, 0.18], [-88.25, 0.15], [-88.0, 0.25], [-87.75, 0.15], [-87.5, 0.25], [-86.97, 0.03], [-86.75, -0.5], [-86.85, -0.75], [-86.75, -1.0], [-86.97, -1.53], [-87.5, -1.75], [-87.75, -1.65], [-88.0, -1.75], [-88.25, -1.65], [-88.5, -1.75], [-88.75, -1.65], [-89.0, -1.75], [-89.25, -1.65], [-89.5, -1.75], [-90.03, -1.53], [-90.18, -1.18], [-90.53, -1.03], [-90.68, -0.68], [-90.75, -0.65], [-90.82, -0.68], [-90.97, -1.03], [-91.5, -1.25], [-91.75, -1.15], [-92.0, -1.25], [-92.25, -1.15], [-92.5, -1.25], [-92.75, -1.15], [-93.0, -1.25], [-93.25, -1.15], [-93.5, -1.25], [-94.03, -1.03], [-94.18, -0.68], [-94.53, -0.53], [-94.75, 0.0], [-94.65, 0.25], [-94.68, 0.32], [-95.03, 0.47], [-95.25, 1.0]]]]}, "2012-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.25, 1.0], [-95.03, 1.53], [-94.5, 1.75], [-94.25, 1.65], [-94.0, 1.75], [-93.75, 1.65], [-93.5, 1.75], [-93.25, 1.65], [-93.0, 1.75], [-92.75, 1.65], [-92.5, 1.75], [-92.25, 1.65], [-92.0, 1.75], [-91.47, 1.53], [-91.32, 1.18], [-91.25, 1.15], [-91.18, 1.18], [-91.03, 1.53], [-90.5, 1.75], [-89.97, 1.53], [-89.82, 1.18], [-89.47, 1.03], [-89.25, 0.5], [-89.47, -0.03], [-90.0, -0.25], [-90.25, -0.15], [-90.5, -0.25], [-90.75, -0.15], [-90.82, -0.18], [-90.85, -0.25], [-90.75, -0.5], [-90.97, -1.03], [-91.5, -1.25], [-91.75, -1.15], [-92.0, -1.25], [-92.53, -1.03], [-92.68, -0.68], [-92.75, -0.65], [-92.82, -0.68], [-92.97, -1.03], [-93.5, -1.25], [-94.03, -1.03], [-94.18, -0.68], [-94.53, -0.53], [-94.75, 0.0], [-94.65, 0.25], [-94.68, 0.32], [-95.03, 0.47], [-95.25, 1.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8975874790439207}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2131268578147738}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.450651989447692, 26.994060497590397, 26.61329219861136, 26.89294880830306, 26.92815983652605, 26.990407361018015, 27.164590941401457, 27.153387959883844, 27.253287060309674, 27.201887704918136]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.855814573005716, 27.234043094922015, 26.8751059985114, 27.460386666702618, 27.142921553766598, 27.332758097840554, 27.481852798993998, 27.477033871336687, 27.702574288507606, 27.439212590632735]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2239118932397588, 1.6917427119891386, 1.270191611839948, 1.268396164558304, 1.0679364598630343, 1.1742789013466646, 1.2077766866582398, 1.1449902553979612, 1.2503511732975374, 1.2258072696208546]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3616676111500965, 1.8975874790439207, 1.5253347882910475, 1.6336880571548136, 1.13639153382735, 1.4922833619079938, 1.5570593630854432, 1.4984438619310367, 1.7788699336963418, 1.7670332022534012]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4523205783080257, 1.9761282275035252, 1.478026073294614, 1.5343280104844146, 1.3742019440653521, 1.5065287163123362, 1.5524282327671433, 1.4661395818024936, 1.5949523739919886, 1.5424289629364398]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6847047606675924, 2.092638635598493, 1.6039898656351395, 1.9321714996411876, 1.483250700054191, 1.8952102551606944, 1.9988506815490057, 1.8437413992643146, 2.1826127412829464, 1.9315171043866748]}}