{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:56.432196", "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": "2025-Nov-04_to_2025-Nov-08_256.0_31.0"}, "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": 2025110001308}, "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": "November 04 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 08 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 101711.52843203352}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": []}, "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": 31.0}, "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": 256.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "256.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 253.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 258.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-106.68, 30.68], [-106.65, 30.75], [-106.75, 31.0], [-106.65, 31.25], [-106.75, 31.5], [-106.53, 32.03], [-106.0, 32.25], [-105.75, 32.15], [-105.5, 32.25], [-105.25, 32.15], [-105.0, 32.25], [-104.75, 32.15], [-104.5, 32.25], [-103.97, 32.03], [-103.82, 31.68], [-103.47, 31.53], [-103.32, 31.18], [-103.25, 31.15], [-103.0, 31.25], [-102.75, 31.15], [-102.5, 31.25], [-101.97, 31.03], [-101.75, 30.5], [-101.85, 30.25], [-101.75, 30.0], [-101.85, 29.75], [-101.82, 29.68], [-101.47, 29.53], [-101.25, 29.0], [-101.35, 28.75], [-101.25, 28.5], [-101.35, 28.25], [-101.25, 28.0], [-101.47, 27.47], [-102.0, 27.25], [-102.53, 27.47], [-102.75, 28.0], [-102.65, 28.25], [-102.75, 28.5], [-102.97, 27.97], [-103.5, 27.75], [-103.75, 27.85], [-104.0, 27.75], [-104.53, 27.97], [-104.7, 28.38], [-105.0, 28.25], [-105.53, 28.47], [-105.68, 28.82], [-105.75, 28.85], [-106.0, 28.75], [-106.53, 28.97], [-106.68, 29.32], [-107.03, 29.47], [-107.25, 30.0], [-107.03, 30.53], [-106.68, 30.68]], [[-102.65, 28.75], [-102.68, 28.82], [-102.8, 28.88], [-102.85, 28.75], [-102.75, 28.5], [-102.65, 28.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.53, 32.03], [-105.0, 32.25], [-104.75, 32.15], [-104.5, 32.25], [-103.97000000000003, 32.03], [-103.82, 31.68], [-103.47000000000003, 31.53], [-103.25, 31.0], [-103.47000000000003, 30.47], [-104.0, 30.25], [-104.53, 30.47], [-104.68, 30.82], [-104.75, 30.85], [-105.0, 30.75], [-105.30000000000001, 30.88], [-105.47, 30.47], [-106.0, 30.25], [-106.53, 30.47], [-106.75, 31.0], [-106.53, 31.53], [-106.0, 31.75], [-105.69999999999999, 31.63], [-105.53, 32.03]]]]}, "2025-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-107.03, 29.47], [-107.25, 30.0], [-107.03, 30.53], [-106.68, 30.68], [-106.65, 30.75], [-106.75, 31.0], [-106.65, 31.25], [-106.75, 31.5], [-106.53, 32.03], [-106.0, 32.25], [-105.75, 32.15], [-105.5, 32.25], [-105.25, 32.15], [-105.0, 32.25], [-104.75, 32.15], [-104.5, 32.25], [-103.97000000000003, 32.03], [-103.82, 31.68], [-103.47000000000003, 31.53], [-103.32, 31.18], [-103.25, 31.15], [-103.0, 31.25], [-102.75, 31.15], [-102.5, 31.25], [-101.97000000000003, 31.03], [-101.75, 30.5], [-101.97000000000003, 29.97], [-102.32, 29.82], [-102.47000000000003, 29.47], [-103.0, 29.25], [-103.25, 29.35], [-103.5, 29.25], [-103.75, 29.35], [-104.0, 29.25], [-104.25, 29.35], [-104.32, 29.32], [-104.47, 28.97], [-105.0, 28.75], [-105.25, 28.85], [-105.5, 28.75], [-105.75, 28.85], [-106.0, 28.75], [-106.53, 28.97], [-106.68, 29.32], [-107.03, 29.47]]]]}, "2025-11-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-107.03, 29.47], [-107.25, 30.0], [-107.03, 30.53], [-106.68, 30.68], [-106.65, 30.75], [-106.75, 31.0], [-106.65, 31.25], [-106.75, 31.5], [-106.53, 32.03], [-106.0, 32.25], [-105.75, 32.15], [-105.5, 32.25], [-105.25, 32.15], [-105.0, 32.25], [-104.75, 32.15], [-104.5, 32.25], [-103.97000000000003, 32.03], [-103.82, 31.68], [-103.47000000000003, 31.53], [-103.32, 31.18], [-103.25, 31.15], [-103.0, 31.25], [-102.75, 31.15], [-102.5, 31.25], [-101.97000000000003, 31.03], [-101.75, 30.5], [-101.85000000000002, 30.25], [-101.75, 30.0], [-101.85000000000002, 29.75], [-101.82, 29.68], [-101.47000000000003, 29.53], [-101.25, 29.0], [-101.35000000000002, 28.75], [-101.25, 28.5], [-101.35000000000002, 28.25], [-101.25, 28.0], [-101.47000000000003, 27.47], [-102.0, 27.25], [-102.52999999999997, 27.47], [-102.75, 28.0], [-102.64999999999998, 28.25], [-102.75, 28.5], [-102.97000000000003, 27.97], [-103.5, 27.75], [-103.75, 27.85], [-104.0, 27.75], [-104.53, 27.97], [-104.69999999999999, 28.38], [-105.0, 28.25], [-105.53, 28.47], [-105.68, 28.82], [-105.75, 28.85], [-106.0, 28.75], [-106.53, 28.97], [-106.68, 29.32], [-107.03, 29.47]], [[-102.64999999999998, 28.75], [-102.68, 28.82], [-102.80000000000001, 28.88], [-102.85000000000002, 28.75], [-102.75, 28.5], [-102.64999999999998, 28.75]]]]}, "2025-11-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-107.03, 29.47], [-107.25, 30.0], [-107.03, 30.53], [-106.68, 30.68], [-106.65, 30.75], [-106.75, 31.0], [-106.65, 31.25], [-106.75, 31.5], [-106.53, 32.03], [-106.0, 32.25], [-105.75, 32.15], [-105.5, 32.25], [-105.25, 32.15], [-105.0, 32.25], [-104.75, 32.15], [-104.5, 32.25], [-103.97000000000003, 32.03], [-103.82, 31.68], [-103.47000000000003, 31.53], [-103.32, 31.18], [-103.25, 31.15], [-103.0, 31.25], [-102.75, 31.15], [-102.5, 31.25], [-101.97000000000003, 31.03], [-101.75, 30.5], [-101.85000000000002, 30.25], [-101.75, 30.0], [-101.85000000000002, 29.75], [-101.82, 29.68], [-101.47000000000003, 29.53], [-101.25, 29.0], [-101.35000000000002, 28.75], [-101.25, 28.5], [-101.35000000000002, 28.25], [-101.25, 28.0], [-101.47000000000003, 27.47], [-102.0, 27.25], [-102.52999999999997, 27.47], [-102.75, 28.0], [-102.64999999999998, 28.25], [-102.75, 28.5], [-102.97000000000003, 27.97], [-103.5, 27.75], [-103.75, 27.85], [-104.0, 27.75], [-104.53, 27.97], [-104.69999999999999, 28.38], [-105.0, 28.25], [-105.53, 28.47], [-105.68, 28.82], [-105.75, 28.85], [-106.0, 28.75], [-106.53, 28.97], [-106.68, 29.32], [-107.03, 29.47]], [[-102.64999999999998, 28.75], [-102.68, 28.82], [-102.80000000000001, 28.88], [-102.85000000000002, 28.75], [-102.75, 28.5], [-102.64999999999998, 28.75]]]]}, "2025-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.75, 31.5], [-106.53, 32.03], [-106.0, 32.25], [-105.75, 32.15], [-105.5, 32.25], [-105.25, 32.15], [-105.0, 32.25], [-104.75, 32.15], [-104.5, 32.25], [-103.97000000000003, 32.03], [-103.82, 31.68], [-103.47000000000003, 31.53], [-103.25, 31.0], [-103.37, 30.7], [-103.25, 30.65], [-103.18, 30.68], [-103.02999999999997, 31.03], [-102.5, 31.25], [-101.97000000000003, 31.03], [-101.75, 30.5], [-101.85000000000002, 30.25], [-101.75, 30.0], [-101.85000000000002, 29.75], [-101.82, 29.68], [-101.47000000000003, 29.53], [-101.25, 29.0], [-101.35000000000002, 28.75], [-101.25, 28.5], [-101.35000000000002, 28.25], [-101.25, 28.0], [-101.47000000000003, 27.47], [-102.0, 27.25], [-102.52999999999997, 27.47], [-102.75, 28.0], [-102.64999999999998, 28.25], [-102.75, 28.5], [-102.97000000000003, 27.97], [-103.5, 27.75], [-103.75, 27.85], [-104.0, 27.75], [-104.53, 27.97], [-104.69999999999999, 28.38], [-105.0, 28.25], [-105.53, 28.47], [-105.68, 28.82], [-106.03, 28.97], [-106.18, 29.32], [-106.53, 29.47], [-106.75, 30.0], [-106.53999999999999, 30.5], [-106.75, 31.0], [-106.65, 31.25], [-106.75, 31.5]], [[-102.64999999999998, 28.75], [-102.68, 28.82], [-102.80000000000001, 28.88], [-102.85000000000002, 28.75], [-102.75, 28.5], [-102.64999999999998, 28.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.098440602855476}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.339838900066099}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.006826019287132, 20.22338409423827, 20.255832524885136, 21.065229034423908, 20.132471974690816]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.556386566162132, 21.637300109863304, 23.243135070800804, 23.74455032348635, 23.036084747314476]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.033840219698121, 5.385550787556354, 5.090991208349053, 5.9087142678089934, 4.962343457729634]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.304306459082113, 6.98718309495996, 6.534606094247067, 8.098440602855476, 6.285318541290906]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.301829139924627, 1.4528397210594677, 1.3270951900343402, 1.5541341370340922, 1.3465441960173932]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3291566523959721, 1.7622243358191414, 1.6819011008305138, 2.0017309381570416, 1.7222507942182606]}}