{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:25:35.853929", "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": "2022-Dec-16_to_2022-Dec-23_265.5_13.0"}, "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": 2022120002276}, "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 16 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 23 2022"}, "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": 87164.71114244797}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["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": 13.0}, "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": 265.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "265.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 264.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 266.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-92.75, 13.5], [-92.85, 13.25], [-92.75, 13.0], [-92.97, 12.47], [-93.32, 12.32], [-93.35, 12.25], [-93.25, 12.0], [-93.47, 11.47], [-93.82, 11.32], [-93.97, 10.97], [-94.5, 10.75], [-94.75, 10.85], [-95.0, 10.75], [-95.53, 10.97], [-95.75, 11.5], [-95.65, 11.75], [-95.75, 12.0], [-95.65, 12.25], [-95.68, 12.32], [-96.03, 12.47], [-96.18, 12.82], [-96.53, 12.97], [-96.75, 13.5], [-96.53, 14.03], [-96.0, 14.25], [-95.75, 14.15], [-95.68, 14.18], [-95.53, 14.53], [-95.18, 14.68], [-95.03, 15.03], [-94.68, 15.18], [-94.54, 15.5], [-94.75, 16.0], [-94.53, 16.53], [-94.0, 16.75], [-93.75, 16.65], [-93.5, 16.75], [-92.97, 16.53], [-92.75, 16.0], [-92.85, 15.75], [-92.75, 15.5], [-92.97, 14.97], [-93.32, 14.82], [-93.35, 14.75], [-93.32, 14.68], [-92.97, 14.53], [-92.75, 14.0], [-92.85, 13.75], [-92.75, 13.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.52999999999997, 14.03], [-95.0, 14.25], [-94.47000000000003, 14.03], [-94.25, 13.5], [-94.47000000000003, 12.97], [-95.0, 12.75], [-95.52999999999997, 12.97], [-95.75, 13.5], [-95.52999999999997, 14.03]]]]}, "2022-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.75, 14.0], [-95.52999999999997, 14.53], [-95.0, 14.75], [-94.47000000000003, 14.53], [-94.25, 14.0], [-94.35000000000002, 13.75], [-94.25, 13.5], [-94.37, 13.2], [-93.97000000000003, 13.03], [-93.75, 12.5], [-93.97000000000003, 11.97], [-94.5, 11.75], [-95.02999999999997, 11.97], [-95.25, 12.5], [-95.12, 12.8], [-95.52999999999997, 12.97], [-95.75, 13.5], [-95.64999999999998, 13.75], [-95.75, 14.0]]]]}, "2022-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.52999999999997, 12.97], [-96.75, 13.5], [-96.52999999999997, 14.03], [-96.0, 14.25], [-95.75, 14.15], [-95.68, 14.18], [-95.52999999999997, 14.53], [-95.18, 14.68], [-95.02999999999997, 15.03], [-94.68, 15.18], [-94.54000000000002, 15.5], [-94.75, 16.0], [-94.52999999999997, 16.53], [-94.0, 16.75], [-93.75, 16.65], [-93.5, 16.75], [-92.97000000000003, 16.53], [-92.75, 16.0], [-92.85000000000002, 15.75], [-92.75, 15.5], [-92.97000000000003, 14.97], [-93.32, 14.82], [-93.35000000000002, 14.75], [-93.32, 14.68], [-92.97000000000003, 14.53], [-92.75, 14.0], [-92.85000000000002, 13.75], [-92.75, 13.5], [-92.85000000000002, 13.25], [-92.75, 13.0], [-92.97000000000003, 12.47], [-93.32, 12.32], [-93.35000000000002, 12.25], [-93.25, 12.0], [-93.47000000000003, 11.47], [-93.82, 11.32], [-93.97000000000003, 10.97], [-94.5, 10.75], [-94.75, 10.85], [-95.0, 10.75], [-95.52999999999997, 10.97], [-95.75, 11.5], [-95.64999999999998, 11.75], [-95.75, 12.0], [-95.64999999999998, 12.25], [-95.68, 12.32], [-96.02999999999997, 12.47], [-96.18, 12.82], [-96.52999999999997, 12.97]]]]}, "2022-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.52999999999997, 12.97], [-96.75, 13.5], [-96.52999999999997, 14.03], [-96.0, 14.25], [-95.75, 14.15], [-95.68, 14.18], [-95.52999999999997, 14.53], [-95.18, 14.68], [-95.02999999999997, 15.03], [-94.68, 15.18], [-94.54000000000002, 15.5], [-94.75, 16.0], [-94.52999999999997, 16.53], [-94.0, 16.75], [-93.75, 16.65], [-93.5, 16.75], [-92.97000000000003, 16.53], [-92.75, 16.0], [-92.85000000000002, 15.75], [-92.75, 15.5], [-92.97000000000003, 14.97], [-93.32, 14.82], [-93.35000000000002, 14.75], [-93.32, 14.68], [-92.97000000000003, 14.53], [-92.75, 14.0], [-92.85000000000002, 13.75], [-92.75, 13.5], [-92.85000000000002, 13.25], [-92.75, 13.0], [-92.97000000000003, 12.47], [-93.32, 12.32], [-93.35000000000002, 12.25], [-93.25, 12.0], [-93.47000000000003, 11.47], [-93.82, 11.32], [-93.97000000000003, 10.97], [-94.5, 10.75], [-94.75, 10.85], [-95.0, 10.75], [-95.52999999999997, 10.97], [-95.75, 11.5], [-95.64999999999998, 11.75], [-95.75, 12.0], [-95.64999999999998, 12.25], [-95.68, 12.32], [-96.02999999999997, 12.47], [-96.18, 12.82], [-96.52999999999997, 12.97]]]]}, "2022-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.52999999999997, 12.97], [-96.75, 13.5], [-96.52999999999997, 14.03], [-96.0, 14.25], [-95.75, 14.15], [-95.68, 14.18], [-95.52999999999997, 14.53], [-95.18, 14.68], [-95.02999999999997, 15.03], [-94.68, 15.18], [-94.54000000000002, 15.5], [-94.75, 16.0], [-94.52999999999997, 16.53], [-94.0, 16.75], [-93.75, 16.65], [-93.5, 16.75], [-92.97000000000003, 16.53], [-92.75, 16.0], [-92.85000000000002, 15.75], [-92.75, 15.5], [-92.97000000000003, 14.97], [-93.32, 14.82], [-93.35000000000002, 14.75], [-93.32, 14.68], [-92.97000000000003, 14.53], [-92.75, 14.0], [-92.85000000000002, 13.75], [-92.75, 13.5], [-92.85000000000002, 13.25], [-92.75, 13.0], [-92.97000000000003, 12.47], [-93.32, 12.32], [-93.35000000000002, 12.25], [-93.25, 12.0], [-93.47000000000003, 11.47], [-93.82, 11.32], [-93.97000000000003, 10.97], [-94.5, 10.75], [-94.75, 10.85], [-95.0, 10.75], [-95.52999999999997, 10.97], [-95.75, 11.5], [-95.64999999999998, 11.75], [-95.75, 12.0], [-95.64999999999998, 12.25], [-95.68, 12.32], [-96.02999999999997, 12.47], [-96.18, 12.82], [-96.52999999999997, 12.97]]]]}, "2022-12-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.25, 13.0], [-95.14999999999998, 13.25], [-95.25, 13.5], [-95.02999999999997, 14.03], [-94.68, 14.18], [-94.52999999999997, 14.53], [-94.0, 14.75], [-93.47000000000003, 14.53], [-93.32, 14.18], [-92.97000000000003, 14.03], [-92.75, 13.5], [-92.97000000000003, 12.97], [-93.32, 12.82], [-93.35000000000002, 12.75], [-93.25, 12.5], [-93.47000000000003, 11.97], [-93.82, 11.82], [-93.85000000000002, 11.75], [-93.75, 11.5], [-93.97000000000003, 10.97], [-94.5, 10.75], [-94.75, 10.85], [-95.0, 10.75], [-95.52999999999997, 10.97], [-95.75, 11.5], [-95.52999999999997, 12.03], [-95.18, 12.18], [-95.04000000000002, 12.5], [-95.25, 13.0]]], [[[-93.5, 14.75], [-94.02999999999997, 14.97], [-94.25, 15.5], [-94.02999999999997, 16.03], [-93.5, 16.25], [-92.97000000000003, 16.03], [-92.75, 15.5], [-92.97000000000003, 14.97], [-93.5, 14.75]]]]}, "2022-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.25, 13.5], [-95.02999999999997, 14.03], [-94.68, 14.18], [-94.52999999999997, 14.53], [-94.0, 14.75], [-93.47000000000003, 14.53], [-93.25, 14.0], [-93.35000000000002, 13.75], [-93.25, 13.5], [-93.47000000000003, 12.97], [-93.82, 12.82], [-93.97000000000003, 12.47], [-94.5, 12.25], [-95.02999999999997, 12.47], [-95.25, 13.0], [-95.14999999999998, 13.25], [-95.25, 13.5]]]]}, "2022-12-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.25, 13.5], [-95.02999999999997, 14.03], [-94.5, 14.25], [-94.25, 14.15], [-94.0, 14.25], [-93.47000000000003, 14.03], [-93.25, 13.5], [-93.47000000000003, 12.97], [-93.82, 12.82], [-93.97000000000003, 12.47], [-94.5, 12.25], [-95.02999999999997, 12.47], [-95.25, 13.0], [-95.14999999999998, 13.25], [-95.25, 13.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1121750961040675}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4771298794959975}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.671114993990273, 26.926257545128237, 27.51248103786844, 27.593745176961647, 27.592102374046874, 27.563483974137853, 27.493971621576407, 27.39584203091846]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.671114993990273, 27.417540041693883, 28.57319496343422, 28.29064912746594, 28.66133470906908, 28.50864001212068, 27.771446726765646, 27.51134013796576]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.359946629589274, 1.3513925106737286, 1.4941612432109812, 1.5778588005088323, 1.5608470767345661, 1.072979974936836, 1.3620235238544893, 1.329670796851038]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.359946629589274, 1.5528041141133144, 2.0355978902516654, 2.1121750961040675, 2.056071541472079, 1.3029326090246514, 1.4623575081112108, 1.4652178075510847]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.0394311621097883, 1.0911109950986908, 1.3357616343534626, 1.4300653772702583, 1.427428562607906, 1.121206423533158, 1.2555615382670737, 1.256092079365205]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.0394311621097883, 1.1267567806057852, 1.5662173434346451, 1.750596084424331, 1.7253895282173752, 1.3392926039920348, 1.2944745089717757, 1.3648378888026111]}}