{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:07.414274", "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-Sep-26_268.0_14.5"}, "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": 2018090002211}, "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": "September 26 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 114307.0843119229}, "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": ["Guatemala"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Pacific-Ocean", "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": 14.5}, "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": 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": 261.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 269.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.75}, "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": [[[[-96.5, 13.25], [-95.97, 13.03], [-95.75, 12.5], [-95.97, 11.97], [-96.32, 11.82], [-96.47, 11.47], [-97.0, 11.25], [-97.53, 11.47], [-97.75, 12.0], [-97.53, 12.53], [-97.18, 12.68], [-97.03, 13.03], [-96.5, 13.25]]]]}, "2018-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.53, 12.53], [-98.0, 12.75], [-97.75, 12.65], [-97.5, 12.75], [-97.25, 12.65], [-97.18, 12.68], [-97.15, 12.75], [-97.25, 13.0], [-97.03, 13.53], [-96.5, 13.75], [-96.25, 13.65], [-96.0, 13.75], [-95.75, 13.65], [-95.5, 13.75], [-95.25, 13.65], [-95.0, 13.75], [-94.75, 13.65], [-94.5, 13.75], [-93.97, 13.53], [-93.75, 13.0], [-93.97, 12.47], [-94.5, 12.25], [-94.75, 12.35], [-94.82, 12.32], [-94.85, 12.25], [-94.75, 12.0], [-94.97, 11.47], [-95.5, 11.25], [-95.75, 11.35], [-96.0, 11.25], [-96.25, 11.35], [-96.5, 11.25], [-96.75, 11.35], [-96.82, 11.32], [-96.97, 10.97], [-97.5, 10.75], [-97.75, 10.85], [-98.0, 10.75], [-98.53, 10.97], [-98.75, 11.5], [-98.65, 11.75], [-98.75, 12.0], [-98.53, 12.53]]]]}, "2018-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.53, 12.53], [-98.0, 12.75], [-97.75, 12.65], [-97.5, 12.75], [-97.25, 12.65], [-97.18, 12.68], [-97.15, 12.75], [-97.25, 13.0], [-97.03, 13.53], [-96.5, 13.75], [-96.25, 13.65], [-96.0, 13.75], [-95.75, 13.65], [-95.5, 13.75], [-95.25, 13.65], [-95.0, 13.75], [-94.75, 13.65], [-94.5, 13.75], [-93.97, 13.53], [-93.75, 13.0], [-93.97, 12.47], [-94.5, 12.25], [-94.75, 12.35], [-94.82, 12.32], [-94.85, 12.25], [-94.75, 12.0], [-94.97, 11.47], [-95.5, 11.25], [-95.75, 11.35], [-96.0, 11.25], [-96.25, 11.35], [-96.5, 11.25], [-96.75, 11.35], [-96.82, 11.32], [-96.97, 10.97], [-97.5, 10.75], [-97.75, 10.85], [-98.0, 10.75], [-98.53, 10.97], [-98.75, 11.5], [-98.65, 11.75], [-98.75, 12.0], [-98.53, 12.53]]]]}, "2018-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.53, 12.53], [-98.0, 12.75], [-97.75, 12.65], [-97.5, 12.75], [-97.25, 12.65], [-97.18, 12.68], [-97.15, 12.75], [-97.25, 13.0], [-97.03, 13.53], [-96.5, 13.75], [-96.25, 13.65], [-96.0, 13.75], [-95.75, 13.65], [-95.5, 13.75], [-95.25, 13.65], [-95.0, 13.75], [-94.75, 13.65], [-94.5, 13.75], [-93.97, 13.53], [-93.75, 13.0], [-93.97, 12.47], [-94.5, 12.25], [-94.75, 12.35], [-94.82, 12.32], [-94.85, 12.25], [-94.75, 12.0], [-94.97, 11.47], [-95.5, 11.25], [-95.75, 11.35], [-96.0, 11.25], [-96.25, 11.35], [-96.5, 11.25], [-96.75, 11.35], [-96.82, 11.32], [-96.97, 10.97], [-97.5, 10.75], [-97.75, 10.85], [-98.0, 10.75], [-98.53, 10.97], [-98.75, 11.5], [-98.65, 11.75], [-98.75, 12.0], [-98.53, 12.53]]]]}, "2018-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-97.15, 12.75], [-97.25, 13.0], [-97.03, 13.53], [-96.5, 13.75], [-96.25, 13.65], [-96.0, 13.75], [-95.75, 13.65], [-95.68, 13.68], [-95.53, 14.03], [-95.18, 14.18], [-95.03, 14.53], [-94.68, 14.68], [-94.53, 15.03], [-94.0, 15.25], [-93.75, 15.15], [-93.5, 15.25], [-93.25, 15.15], [-93.0, 15.25], [-92.5, 15.04], [-92.0, 15.25], [-91.75, 15.15], [-91.5, 15.25], [-90.97, 15.03], [-90.75, 14.5], [-90.85, 14.25], [-90.82, 14.18], [-90.47, 14.03], [-90.25, 13.5], [-90.47, 12.97], [-91.0, 12.75], [-91.25, 12.85], [-91.5, 12.75], [-91.75, 12.85], [-92.0, 12.75], [-92.25, 12.85], [-92.5, 12.75], [-93.0, 12.96], [-93.5, 12.75], [-93.75, 12.85], [-93.82, 12.82], [-93.97, 12.47], [-94.5, 12.25], [-94.75, 12.35], [-94.82, 12.32], [-94.97, 11.97], [-95.5, 11.75], [-95.75, 11.85], [-95.82, 11.82], [-95.97, 11.47], [-96.5, 11.25], [-97.03, 11.47], [-97.25, 12.0], [-97.15, 12.25], [-97.25, 12.5], [-97.15, 12.75]]]]}, "2018-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.53, 14.53], [-95.0, 14.75], [-94.75, 14.65], [-94.68, 14.68], [-94.53, 15.03], [-94.0, 15.25], [-93.75, 15.15], [-93.5, 15.25], [-93.25, 15.15], [-93.0, 15.25], [-92.5, 15.04], [-92.0, 15.25], [-91.75, 15.15], [-91.5, 15.25], [-90.97, 15.03], [-90.75, 14.5], [-90.85, 14.25], [-90.82, 14.18], [-90.47, 14.03], [-90.25, 13.5], [-90.47, 12.97], [-91.0, 12.75], [-91.25, 12.85], [-91.5, 12.75], [-91.75, 12.85], [-92.0, 12.75], [-92.25, 12.85], [-92.5, 12.75], [-93.0, 12.96], [-93.5, 12.75], [-93.75, 12.85], [-94.0, 12.75], [-94.25, 12.85], [-94.5, 12.75], [-94.75, 12.85], [-95.0, 12.75], [-95.53, 12.97], [-95.75, 13.5], [-95.65, 13.75], [-95.75, 14.0], [-95.53, 14.53]]]]}, "2018-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.53, 14.53], [-95.0, 14.75], [-94.75, 14.65], [-94.68, 14.68], [-94.53, 15.03], [-94.0, 15.25], [-93.75, 15.15], [-93.5, 15.25], [-93.25, 15.15], [-93.0, 15.25], [-92.5, 15.04], [-92.0, 15.25], [-91.75, 15.15], [-91.5, 15.25], [-90.97, 15.03], [-90.75, 14.5], [-90.85, 14.25], [-90.82, 14.18], [-90.47, 14.03], [-90.25, 13.5], [-90.47, 12.97], [-91.0, 12.75], [-91.25, 12.85], [-91.5, 12.75], [-91.75, 12.85], [-92.0, 12.75], [-92.25, 12.85], [-92.5, 12.75], [-93.0, 12.96], [-93.5, 12.75], [-93.75, 12.85], [-94.0, 12.75], [-94.25, 12.85], [-94.5, 12.75], [-94.75, 12.85], [-95.0, 12.75], [-95.53, 12.97], [-95.75, 13.5], [-95.65, 13.75], [-95.75, 14.0], [-95.53, 14.53]]]]}, "2018-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.53, 13.47], [-95.75, 14.0], [-95.53, 14.53], [-95.0, 14.75], [-94.75, 14.65], [-94.5, 14.75], [-94.25, 14.65], [-94.18, 14.68], [-94.03, 15.03], [-93.5, 15.25], [-92.97, 15.03], [-92.75, 14.5], [-92.53, 15.03], [-92.0, 15.25], [-91.75, 15.15], [-91.5, 15.25], [-90.97, 15.03], [-90.75, 14.5], [-90.96, 14.0], [-90.75, 13.5], [-90.97, 12.97], [-91.5, 12.75], [-91.75, 12.85], [-92.0, 12.75], [-92.25, 12.85], [-92.5, 12.75], [-93.03, 12.97], [-93.2, 13.38], [-93.5, 13.25], [-93.75, 13.35], [-94.0, 13.25], [-94.25, 13.35], [-94.5, 13.25], [-94.75, 13.35], [-95.0, 13.25], [-95.53, 13.47]], [[-92.85, 14.25], [-92.8, 14.12], [-92.62, 14.2], [-92.75, 14.5], [-92.85, 14.25]]]]}, "2018-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.53, 13.97], [-93.75, 14.5], [-93.53, 15.03], [-93.0, 15.25], [-92.75, 15.15], [-92.5, 15.25], [-92.25, 15.15], [-92.0, 15.25], [-91.75, 15.15], [-91.5, 15.25], [-90.97, 15.03], [-90.75, 14.5], [-90.97, 13.97], [-91.5, 13.75], [-91.75, 13.85], [-92.0, 13.75], [-92.25, 13.85], [-92.5, 13.75], [-92.75, 13.85], [-93.0, 13.75], [-93.53, 13.97]]]]}, "2018-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.53, 13.97], [-93.75, 14.5], [-93.53, 15.03], [-93.0, 15.25], [-92.75, 15.15], [-92.5, 15.25], [-92.25, 15.15], [-92.0, 15.25], [-91.75, 15.15], [-91.5, 15.25], [-90.97, 15.03], [-90.75, 14.5], [-90.97, 13.97], [-91.5, 13.75], [-91.75, 13.85], [-92.0, 13.75], [-92.25, 13.85], [-92.5, 13.75], [-92.75, 13.85], [-93.0, 13.75], [-93.53, 13.97]]]]}, "2018-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.53, 13.97], [-93.75, 14.5], [-93.53, 15.03], [-93.0, 15.25], [-92.75, 15.15], [-92.5, 15.25], [-92.25, 15.15], [-92.0, 15.25], [-91.47, 15.03], [-91.25, 14.5], [-91.47, 13.97], [-92.0, 13.75], [-92.25, 13.85], [-92.5, 13.75], [-92.75, 13.85], [-93.0, 13.75], [-93.53, 13.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2002174268841372}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3171829908782766}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.802895364709002, 28.049919363166396, 28.02967888462814, 28.08289371634072, 28.393838251280386, 28.543230496289596, 28.409486461926804, 28.12289348085949, 27.672902461503895, 28.03745394332583, 28.496325920064805]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.922271640532642, 28.43559773087003, 28.44272951109582, 28.336158022495567, 29.33971296039391, 29.5461293721541, 29.0675707104171, 28.905484796196276, 28.828899201726927, 29.20501956567631, 28.86423393102706]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9867842250810952, 1.187944436446248, 1.1936272237282495, 1.274262689555183, 1.347905689248221, 1.4746210303195864, 1.3646860698987828, 1.2176648601709588, 1.2402925990586198, 1.6363208438177708, 1.3917500642929592]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0297628278167394, 1.416870013179107, 1.446794617832893, 1.5805499666532228, 1.929511234957829, 2.2002174268841372, 1.8667941081940285, 1.628142358197465, 1.5949535375385153, 1.9299237874079154, 1.598834722603101]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4232814850196958, 1.693818893926888, 1.6569409075271775, 1.8063752059309048, 1.708135356020529, 1.8531208876328782, 1.7186236590157538, 1.5338208624347638, 1.5361098944465823, 2.05361974218476, 1.7420470611089744]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4571229865887534, 2.044909738196893, 1.9277474979821845, 2.32494427344897, 1.9631690824480297, 2.33817099881311, 2.3235277728400066, 1.7183619597578246, 1.709103058132746, 2.59792562163515, 2.1148056790574055]}}