{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:07.427662", "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": "2018-Sep-16_to_2018-Oct-01_270.0_14.0"}, "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": 2018090002212}, "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": "September 16 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 01 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 16}, "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": 93123.61590761435}, "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": ["El Salvador", "Guatemala", "Honduras", "Mexico", "Nicaragua"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 14.0}, "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": 270.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "270.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 267.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 273.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.47, 15.03], [-86.25, 14.5], [-86.47, 13.97], [-86.82, 13.82], [-86.97, 13.47], [-87.5, 13.25], [-88.03, 13.47], [-88.25, 14.0], [-88.03, 14.53], [-87.68, 14.68], [-87.53, 15.03], [-87.0, 15.25], [-86.47, 15.03]]], [[[-93.03, 16.53], [-92.5, 16.75], [-91.97, 16.53], [-91.82, 16.18], [-91.47, 16.03], [-91.32, 15.68], [-90.97, 15.53], [-90.82, 15.18], [-90.75, 15.15], [-90.5, 15.25], [-89.97, 15.03], [-89.82, 14.68], [-89.47, 14.53], [-89.25, 14.0], [-89.47, 13.47], [-90.0, 13.25], [-90.53, 13.47], [-90.68, 13.82], [-90.75, 13.85], [-91.0, 13.75], [-91.53, 13.97], [-91.68, 14.32], [-91.75, 14.35], [-92.0, 14.25], [-92.53, 14.47], [-92.75, 15.0], [-92.65, 15.25], [-92.68, 15.32], [-93.03, 15.47], [-93.25, 16.0], [-93.03, 16.53]]]]}, "2018-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.25, 16.0], [-93.03, 16.53], [-92.5, 16.75], [-91.97, 16.53], [-91.82, 16.18], [-91.47, 16.03], [-91.32, 15.68], [-90.97, 15.53], [-90.82, 15.18], [-90.75, 15.15], [-90.5, 15.25], [-89.97, 15.03], [-89.82, 14.68], [-89.75, 14.65], [-89.5, 14.75], [-89.0, 14.54], [-88.5, 14.75], [-88.0, 14.54], [-87.68, 14.68], [-87.53, 15.03], [-87.0, 15.25], [-86.47, 15.03], [-86.25, 14.5], [-86.35, 14.25], [-86.25, 14.0], [-86.35, 13.75], [-86.25, 13.5], [-86.47, 12.97], [-87.0, 12.75], [-87.53, 12.97], [-87.68, 13.32], [-88.0, 13.46], [-88.5, 13.25], [-89.0, 13.46], [-89.5, 13.25], [-89.75, 13.35], [-90.0, 13.25], [-90.53, 13.47], [-90.68, 13.82], [-90.75, 13.85], [-91.0, 13.75], [-91.53, 13.97], [-91.68, 14.32], [-91.75, 14.35], [-92.0, 14.25], [-92.53, 14.47], [-92.75, 15.0], [-92.65, 15.25], [-92.68, 15.32], [-93.03, 15.47], [-93.25, 16.0]]]]}, "2018-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.25, 16.0], [-93.03, 16.53], [-92.5, 16.75], [-91.97, 16.53], [-91.82, 16.18], [-91.47, 16.03], [-91.32, 15.68], [-90.97, 15.53], [-90.82, 15.18], [-90.75, 15.15], [-90.5, 15.25], [-89.97, 15.03], [-89.82, 14.68], [-89.75, 14.65], [-89.5, 14.75], [-89.25, 14.65], [-89.0, 14.75], [-88.75, 14.65], [-88.5, 14.75], [-88.0, 14.54], [-87.68, 14.68], [-87.53, 15.03], [-87.0, 15.25], [-86.47, 15.03], [-86.25, 14.5], [-86.35, 14.25], [-86.25, 14.0], [-86.35, 13.75], [-86.25, 13.5], [-86.47, 12.97], [-87.0, 12.75], [-87.53, 12.97], [-87.68, 13.32], [-88.0, 13.46], [-88.5, 13.25], [-88.75, 13.35], [-89.0, 13.25], [-89.25, 13.35], [-89.5, 13.25], [-89.75, 13.35], [-90.0, 13.25], [-90.53, 13.47], [-90.68, 13.82], [-90.75, 13.85], [-91.0, 13.75], [-91.53, 13.97], [-91.68, 14.32], [-91.75, 14.35], [-92.0, 14.25], [-92.53, 14.47], [-92.75, 15.0], [-92.65, 15.25], [-92.68, 15.32], [-93.03, 15.47], [-93.25, 16.0]]]]}, "2018-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.25, 14.5], [-91.03, 15.03], [-90.5, 15.25], [-89.97, 15.03], [-89.82, 14.68], [-89.75, 14.65], [-89.5, 14.75], [-89.25, 14.65], [-89.0, 14.75], [-88.75, 14.65], [-88.5, 14.75], [-88.0, 14.54], [-87.68, 14.68], [-87.53, 15.03], [-87.0, 15.25], [-86.47, 15.03], [-86.25, 14.5], [-86.35, 14.25], [-86.25, 14.0], [-86.35, 13.75], [-86.25, 13.5], [-86.46, 13.0], [-86.25, 12.5], [-86.47, 11.97], [-87.0, 11.75], [-87.53, 11.97], [-87.75, 12.5], [-87.54, 13.0], [-87.68, 13.32], [-88.0, 13.46], [-88.5, 13.25], [-88.75, 13.35], [-89.0, 13.25], [-89.25, 13.35], [-89.5, 13.25], [-89.75, 13.35], [-90.0, 13.25], [-90.53, 13.47], [-90.68, 13.82], [-91.03, 13.97], [-91.25, 14.5]]]]}, "2018-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.25, 14.5], [-91.03, 15.03], [-90.5, 15.25], [-89.97, 15.03], [-89.82, 14.68], [-89.75, 14.65], [-89.5, 14.75], [-89.25, 14.65], [-89.0, 14.75], [-88.75, 14.65], [-88.5, 14.75], [-87.97, 14.53], [-87.75, 14.0], [-87.87, 13.7], [-87.75, 13.65], [-87.5, 13.75], [-86.97, 13.53], [-86.82, 13.18], [-86.47, 13.03], [-86.25, 12.5], [-86.35, 12.25], [-86.25, 12.0], [-86.47, 11.47], [-87.0, 11.25], [-87.25, 11.35], [-87.5, 11.25], [-87.75, 11.35], [-88.0, 11.25], [-88.53, 11.47], [-88.68, 11.82], [-89.03, 11.97], [-89.18, 12.32], [-89.53, 12.47], [-89.75, 13.0], [-89.62, 13.3], [-89.75, 13.35], [-90.0, 13.25], [-90.53, 13.47], [-90.68, 13.82], [-91.03, 13.97], [-91.25, 14.5]]]]}, "2018-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.53, 14.53], [-89.0, 14.75], [-88.47, 14.53], [-88.3, 14.12], [-88.0, 14.25], [-87.75, 14.15], [-87.5, 14.25], [-87.25, 14.15], [-87.0, 14.25], [-86.47, 14.03], [-86.25, 13.5], [-86.35, 13.25], [-86.25, 13.0], [-86.35, 12.75], [-86.25, 12.5], [-86.35, 12.25], [-86.25, 12.0], [-86.47, 11.47], [-87.0, 11.25], [-87.25, 11.35], [-87.5, 11.25], [-87.75, 11.35], [-88.0, 11.25], [-88.53, 11.47], [-88.68, 11.82], [-89.03, 11.97], [-89.18, 12.32], [-89.53, 12.47], [-89.75, 13.0], [-89.54, 13.5], [-89.75, 14.0], [-89.53, 14.53]]]]}, "2018-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.53, 13.47], [-90.75, 14.0], [-90.53, 14.53], [-90.0, 14.75], [-89.5, 14.54], [-89.0, 14.75], [-88.47, 14.53], [-88.32, 14.18], [-88.25, 14.15], [-88.0, 14.25], [-87.75, 14.15], [-87.5, 14.25], [-87.25, 14.15], [-87.0, 14.25], [-86.47, 14.03], [-86.25, 13.5], [-86.35, 13.25], [-86.25, 13.0], [-86.35, 12.75], [-86.25, 12.5], [-86.35, 12.25], [-86.25, 12.0], [-86.47, 11.47], [-87.0, 11.25], [-87.25, 11.35], [-87.5, 11.25], [-87.75, 11.35], [-88.0, 11.25], [-88.53, 11.47], [-88.68, 11.82], [-89.03, 11.97], [-89.18, 12.32], [-89.53, 12.47], [-89.75, 13.0], [-89.57, 13.43], [-90.0, 13.25], [-90.53, 13.47]]]]}, "2018-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 14.0], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.0, 14.04], [-88.68, 14.18], [-88.53, 14.53], [-88.0, 14.75], [-87.47, 14.53], [-87.32, 14.18], [-87.25, 14.15], [-87.0, 14.25], [-86.47, 14.03], [-86.25, 13.5], [-86.35, 13.25], [-86.25, 13.0], [-86.35, 12.75], [-86.25, 12.5], [-86.35, 12.25], [-86.25, 12.0], [-86.47, 11.47], [-87.0, 11.25], [-87.25, 11.35], [-87.5, 11.25], [-88.03, 11.47], [-88.25, 12.0], [-88.04, 12.5], [-88.18, 12.82], [-88.25, 12.85], [-88.5, 12.75], [-89.0, 12.96], [-89.5, 12.75], [-90.03, 12.97], [-90.18, 13.32], [-90.53, 13.47], [-90.75, 14.0]]]]}, "2018-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 14.0], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.0, 14.04], [-88.68, 14.18], [-88.53, 14.53], [-88.0, 14.75], [-87.47, 14.53], [-87.32, 14.18], [-87.25, 14.15], [-87.0, 14.25], [-86.47, 14.03], [-86.25, 13.5], [-86.35, 13.25], [-86.25, 13.0], [-86.35, 12.75], [-86.25, 12.5], [-86.35, 12.25], [-86.25, 12.0], [-86.47, 11.47], [-87.0, 11.25], [-87.25, 11.35], [-87.5, 11.25], [-88.03, 11.47], [-88.25, 12.0], [-88.15, 12.25], [-88.18, 12.32], [-88.53, 12.47], [-88.68, 12.82], [-89.0, 12.96], [-89.5, 12.75], [-90.03, 12.97], [-90.18, 13.32], [-90.53, 13.47], [-90.75, 14.0]]]]}, "2018-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 14.0], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.0, 14.04], [-88.68, 14.18], [-88.53, 14.53], [-88.0, 14.75], [-87.47, 14.53], [-87.32, 14.18], [-87.25, 14.15], [-87.0, 14.25], [-86.47, 14.03], [-86.25, 13.5], [-86.35, 13.25], [-86.25, 13.0], [-86.35, 12.75], [-86.25, 12.5], [-86.47, 11.97], [-86.82, 11.82], [-86.97, 11.47], [-87.5, 11.25], [-88.03, 11.47], [-88.25, 12.0], [-88.15, 12.25], [-88.18, 12.32], [-88.53, 12.47], [-88.68, 12.82], [-89.0, 12.96], [-89.5, 12.75], [-90.03, 12.97], [-90.18, 13.32], [-90.53, 13.47], [-90.75, 14.0]]]]}, "2018-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.53, 13.53], [-88.0, 13.75], [-87.47, 13.53], [-87.32, 13.18], [-86.97, 13.03], [-86.75, 12.5], [-86.97, 11.97], [-87.5, 11.75], [-88.03, 11.97], [-88.18, 12.32], [-88.53, 12.47], [-88.75, 13.0], [-88.53, 13.53]]], [[[-90.53, 13.47], [-90.75, 14.0], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.25, 14.0], [-89.47, 13.47], [-90.0, 13.25], [-90.53, 13.47]]]]}, "2018-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.25, 13.5], [-89.03, 14.03], [-88.5, 14.25], [-87.97, 14.03], [-87.82, 13.68], [-87.47, 13.53], [-87.32, 13.18], [-86.97, 13.03], [-86.75, 12.5], [-86.97, 11.97], [-87.5, 11.75], [-88.03, 11.97], [-88.18, 12.32], [-88.53, 12.47], [-88.68, 12.82], [-89.03, 12.97], [-89.25, 13.5]]]]}, "2018-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.03, 14.53], [-88.5, 14.75], [-87.97, 14.53], [-87.75, 14.0], [-87.85, 13.75], [-87.75, 13.5], [-87.97, 12.97], [-88.5, 12.75], [-89.03, 12.97], [-89.25, 13.5], [-89.15, 13.75], [-89.25, 14.0], [-89.03, 14.53]]]]}, "2018-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.03, 14.53], [-88.5, 14.75], [-87.97, 14.53], [-87.75, 14.0], [-87.85, 13.75], [-87.75, 13.5], [-87.97, 12.97], [-88.5, 12.75], [-89.03, 12.97], [-89.25, 13.5], [-89.15, 13.75], [-89.25, 14.0], [-89.03, 14.53]]]]}, "2018-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.03, 14.53], [-88.5, 14.75], [-87.97, 14.53], [-87.75, 14.0], [-87.85, 13.75], [-87.75, 13.5], [-87.97, 12.97], [-88.5, 12.75], [-89.03, 12.97], [-89.25, 13.5], [-89.15, 13.75], [-89.25, 14.0], [-89.03, 14.53]]]]}, "2018-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.03, 14.53], [-88.5, 14.75], [-87.97, 14.53], [-87.75, 14.0], [-87.85, 13.75], [-87.75, 13.5], [-87.97, 12.97], [-88.5, 12.75], [-89.03, 12.97], [-89.25, 13.5], [-89.15, 13.75], [-89.25, 14.0], [-89.03, 14.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.618183248820401}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6265842841099685}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.150365220809647, 23.743241684544955, 23.853990447764147, 25.20678958952101, 27.221290583006123, 28.295844216517935, 27.857216657905553, 27.192675665566355, 27.81779569125206, 27.44406208691862, 26.914988726607305, 28.032814234031264, 26.620316534553808, 26.63887537173207, 27.034486566866633, 27.132120513764733]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.597948678391276, 26.942948546810328, 27.266228902723867, 27.640890493445397, 28.666975373420257, 29.064410035089793, 28.97907180125253, 29.12875814303544, 29.675068716916826, 29.008814566512058, 28.22391352689766, 28.61640456818344, 27.134453054462256, 27.234297977622305, 27.559118149720973, 27.42261698275803]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3094145796631236, 1.8779200676832533, 1.786799841595577, 1.5405001987880325, 1.397508294302586, 1.6960452442458767, 1.4855817559859412, 1.4850093802864233, 1.9552010460331328, 1.703794798532805, 1.1877077197756687, 1.4704762831419202, 1.5625692257407024, 1.582685134329239, 1.9497688454488014, 1.9994901160882534]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7574852901402096, 2.594163262675181, 2.5969249015486184, 2.067630514661687, 1.8530022025179846, 2.0146153919944254, 1.8972203035343114, 2.044446134632892, 2.618183248820401, 2.1491993296973533, 1.2458927394575312, 1.7576987252570575, 1.839047132054361, 1.7748415277027902, 2.1990718337953012, 2.4683010803905177]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5302133853442694, 2.03630117809797, 1.8740109685386703, 1.5504143873994034, 1.6525567873315035, 2.054626285851092, 1.7734634180757844, 1.7360101124380867, 2.2851958275242032, 1.9664674400438877, 1.4237494439862182, 1.666597752263461, 1.4840821002528881, 1.4397446068741548, 1.7013267515606874, 1.7165495160680433]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7613767814063361, 2.88313536628255, 2.3037438018793557, 1.9163604326472423, 1.9712152502917164, 2.583156145206627, 2.115743678469891, 2.082357168612968, 2.803861006968796, 2.603980201131276, 1.4633375744428092, 2.13290725724719, 1.6538994474970647, 1.5190119725145435, 1.7741699143631673, 1.9662271975335153]}}