{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:09.729521", "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-Jun-25_to_2025-Jul-03_315.5_-7.5"}, "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": 2025060002750}, "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": "June 25 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 03 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 85922.15768258675}, "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": ["Brazil"]}, "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": []}, "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": -7.5}, "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": 315.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "315.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 314.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 316.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-42.97, -6.47], [-42.75, -7.0], [-42.85, -7.25], [-42.75, -7.5], [-42.97, -8.03], [-43.32, -8.18], [-43.46, -8.5], [-43.25, -9.0], [-43.47, -9.53], [-44.0, -9.75], [-44.53, -9.53], [-44.68, -9.18], [-44.75, -9.15], [-45.0, -9.25], [-45.53, -9.03], [-45.75, -8.5], [-45.65, -8.25], [-45.68, -8.18], [-46.03, -8.03], [-46.25, -7.5], [-46.15, -7.25], [-46.25, -7.0], [-46.15, -6.75], [-46.25, -6.5], [-46.03, -5.97], [-45.5, -5.75], [-45.25, -5.85], [-45.18, -5.82], [-45.15, -5.75], [-45.25, -5.5], [-45.15, -5.25], [-45.18, -5.18], [-45.53, -5.03], [-45.75, -4.5], [-45.53, -3.97], [-45.0, -3.75], [-44.47, -3.97], [-44.32, -4.32], [-44.25, -4.35], [-44.18, -4.32], [-44.03, -3.97], [-43.5, -3.75], [-42.97, -3.97], [-42.75, -4.5], [-42.97, -5.03], [-43.32, -5.18], [-43.35, -5.25], [-43.25, -5.5], [-43.35, -5.75], [-43.25, -6.0], [-43.35, -6.25], [-43.32, -6.32], [-42.97, -6.47]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.75, -7.5], [-44.52999999999997, -6.97], [-44.18000000000001, -6.82], [-44.02999999999997, -6.47], [-43.5, -6.25], [-42.97000000000003, -6.47], [-42.75, -7.0], [-42.85000000000002, -7.25], [-42.75, -7.5], [-42.97000000000003, -8.03], [-43.31999999999999, -8.18], [-43.47000000000003, -8.53], [-44.0, -8.75], [-44.52999999999997, -8.53], [-44.75, -8.0], [-44.64999999999998, -7.75], [-44.75, -7.5]]]]}, "2025-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.25, -8.0], [-45.14999999999998, -7.75], [-45.25, -7.5], [-45.02999999999997, -6.97], [-44.68000000000001, -6.82], [-44.52999999999997, -6.47], [-44.0, -6.25], [-43.75, -6.35], [-43.5, -6.25], [-42.97000000000003, -6.47], [-42.75, -7.0], [-42.85000000000002, -7.25], [-42.75, -7.5], [-42.97000000000003, -8.03], [-43.31999999999999, -8.18], [-43.45999999999998, -8.5], [-43.25, -9.0], [-43.47000000000003, -9.53], [-44.0, -9.75], [-44.52999999999997, -9.53], [-44.68000000000001, -9.18], [-45.02999999999997, -9.03], [-45.25, -8.5], [-45.14999999999998, -8.25], [-45.25, -8.0]]]]}, "2025-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.25, -8.0], [-45.14999999999998, -7.75], [-45.25, -7.5], [-45.02999999999997, -6.97], [-44.68000000000001, -6.82], [-44.52999999999997, -6.47], [-44.0, -6.25], [-43.75, -6.35], [-43.5, -6.25], [-42.97000000000003, -6.47], [-42.75, -7.0], [-42.85000000000002, -7.25], [-42.75, -7.5], [-42.97000000000003, -8.03], [-43.31999999999999, -8.18], [-43.45999999999998, -8.5], [-43.25, -9.0], [-43.47000000000003, -9.53], [-44.0, -9.75], [-44.52999999999997, -9.53], [-44.68000000000001, -9.18], [-45.02999999999997, -9.03], [-45.25, -8.5], [-45.14999999999998, -8.25], [-45.25, -8.0]]]]}, "2025-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.25, -8.0], [-45.14999999999998, -7.75], [-45.25, -7.5], [-45.02999999999997, -6.97], [-44.68000000000001, -6.82], [-44.52999999999997, -6.47], [-44.0, -6.25], [-43.75, -6.35], [-43.5, -6.25], [-42.97000000000003, -6.47], [-42.75, -7.0], [-42.85000000000002, -7.25], [-42.75, -7.5], [-42.97000000000003, -8.03], [-43.31999999999999, -8.18], [-43.45999999999998, -8.5], [-43.25, -9.0], [-43.47000000000003, -9.53], [-44.0, -9.75], [-44.52999999999997, -9.53], [-44.68000000000001, -9.18], [-45.02999999999997, -9.03], [-45.25, -8.5], [-45.14999999999998, -8.25], [-45.25, -8.0]]]]}, "2025-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.75, -8.0], [-45.64999999999998, -7.75], [-45.75, -7.5], [-45.64999999999998, -7.25], [-45.75, -7.0], [-45.64999999999998, -6.75], [-45.75, -6.5], [-45.52999999999997, -5.97], [-45.18000000000001, -5.82], [-45.14999999999998, -5.75], [-45.25, -5.5], [-45.14999999999998, -5.25], [-45.25, -5.0], [-45.02999999999997, -4.47], [-44.5, -4.25], [-44.25, -4.35], [-44.0, -4.25], [-43.47000000000003, -4.47], [-43.25, -5.0], [-43.35000000000002, -5.25], [-43.25, -5.5], [-43.35000000000002, -5.75], [-43.25, -6.0], [-43.370000000000005, -6.3], [-42.97000000000003, -6.47], [-42.75, -7.0], [-42.97000000000003, -7.53], [-43.31999999999999, -7.68], [-43.35000000000002, -7.75], [-43.25, -8.0], [-43.45999999999998, -8.5], [-43.25, -9.0], [-43.47000000000003, -9.53], [-44.0, -9.75], [-44.52999999999997, -9.53], [-44.68000000000001, -9.18], [-44.75, -9.15], [-45.0, -9.25], [-45.52999999999997, -9.03], [-45.75, -8.5], [-45.64999999999998, -8.25], [-45.75, -8.0]]]]}, "2025-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.02999999999997, -7.03], [-46.25, -6.5], [-46.02999999999997, -5.97], [-45.5, -5.75], [-45.25, -5.85], [-45.18000000000001, -5.82], [-45.14999999999998, -5.75], [-45.25, -5.5], [-45.14999999999998, -5.25], [-45.18000000000001, -5.18], [-45.52999999999997, -5.03], [-45.75, -4.5], [-45.52999999999997, -3.97], [-45.0, -3.75], [-44.47000000000003, -3.97], [-44.31999999999999, -4.32], [-44.25, -4.35], [-44.18000000000001, -4.32], [-44.02999999999997, -3.97], [-43.5, -3.75], [-42.97000000000003, -3.97], [-42.75, -4.5], [-42.97000000000003, -5.03], [-43.31999999999999, -5.18], [-43.35000000000002, -5.25], [-43.25, -5.5], [-43.35000000000002, -5.75], [-43.25, -6.0], [-43.35000000000002, -6.25], [-43.25, -6.5], [-43.35000000000002, -6.75], [-43.25, -7.0], [-43.47000000000003, -7.53], [-43.81999999999999, -7.68], [-43.85000000000002, -7.75], [-43.75, -8.0], [-43.97000000000003, -8.53], [-44.31999999999999, -8.68], [-44.47000000000003, -9.03], [-45.0, -9.25], [-45.52999999999997, -9.03], [-45.75, -8.5], [-45.64999999999998, -8.25], [-45.75, -8.0], [-45.64999999999998, -7.75], [-45.75, -7.5], [-45.64999999999998, -7.25], [-45.68000000000001, -7.18], [-46.02999999999997, -7.03]]]]}, "2025-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.25, -7.0], [-46.14999999999998, -6.75], [-46.25, -6.5], [-46.02999999999997, -5.97], [-45.5, -5.75], [-45.25, -5.85], [-45.18000000000001, -5.82], [-45.14999999999998, -5.75], [-45.25, -5.5], [-45.14999999999998, -5.25], [-45.18000000000001, -5.18], [-45.52999999999997, -5.03], [-45.75, -4.5], [-45.52999999999997, -3.97], [-45.0, -3.75], [-44.47000000000003, -3.97], [-44.31999999999999, -4.32], [-44.25, -4.35], [-44.18000000000001, -4.32], [-44.02999999999997, -3.97], [-43.5, -3.75], [-42.97000000000003, -3.97], [-42.75, -4.5], [-42.97000000000003, -5.03], [-43.31999999999999, -5.18], [-43.35000000000002, -5.25], [-43.25, -5.5], [-43.35000000000002, -5.75], [-43.25, -6.0], [-43.35000000000002, -6.25], [-43.25, -6.5], [-43.35000000000002, -6.75], [-43.25, -7.0], [-43.47000000000003, -7.53], [-43.81999999999999, -7.68], [-43.85000000000002, -7.75], [-43.75, -8.0], [-43.97000000000003, -8.53], [-44.31999999999999, -8.68], [-44.47000000000003, -9.03], [-45.0, -9.25], [-45.52999999999997, -9.03], [-45.75, -8.5], [-45.64999999999998, -8.25], [-45.68000000000001, -8.18], [-46.02999999999997, -8.03], [-46.25, -7.5], [-46.14999999999998, -7.25], [-46.25, -7.0]]]]}, "2025-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.25, -7.0], [-46.14999999999998, -6.75], [-46.25, -6.5], [-46.02999999999997, -5.97], [-45.5, -5.75], [-45.25, -5.85], [-45.18000000000001, -5.82], [-45.14999999999998, -5.75], [-45.25, -5.5], [-45.120000000000005, -5.2], [-45.52999999999997, -5.03], [-45.75, -4.5], [-45.52999999999997, -3.97], [-45.0, -3.75], [-44.47000000000003, -3.97], [-44.25, -4.5], [-44.02999999999997, -3.97], [-43.5, -3.75], [-42.97000000000003, -3.97], [-42.75, -4.5], [-42.97000000000003, -5.03], [-43.370000000000005, -5.2], [-43.25, -5.5], [-43.35000000000002, -5.75], [-43.25, -6.0], [-43.35000000000002, -6.25], [-43.25, -6.5], [-43.35000000000002, -6.75], [-43.25, -7.0], [-43.47000000000003, -7.53], [-43.81999999999999, -7.68], [-43.85000000000002, -7.75], [-43.75, -8.0], [-43.97000000000003, -8.53], [-44.31999999999999, -8.68], [-44.47000000000003, -9.03], [-45.0, -9.25], [-45.52999999999997, -9.03], [-45.75, -8.5], [-45.64999999999998, -8.25], [-45.68000000000001, -8.18], [-46.02999999999997, -8.03], [-46.25, -7.5], [-46.14999999999998, -7.25], [-46.25, -7.0]], [[-44.370000000000005, -4.8], [-44.25, -4.85], [-44.120000000000005, -4.8], [-44.25, -4.5], [-44.370000000000005, -4.8]]]]}, "2025-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.25, -7.0], [-46.14999999999998, -6.75], [-46.25, -6.5], [-46.02999999999997, -5.97], [-45.5, -5.75], [-45.25, -5.85], [-45.18000000000001, -5.82], [-45.14999999999998, -5.75], [-45.25, -5.5], [-45.120000000000005, -5.2], [-45.52999999999997, -5.03], [-45.75, -4.5], [-45.52999999999997, -3.97], [-45.0, -3.75], [-44.47000000000003, -3.97], [-44.25, -4.5], [-44.02999999999997, -3.97], [-43.5, -3.75], [-42.97000000000003, -3.97], [-42.75, -4.5], [-42.97000000000003, -5.03], [-43.370000000000005, -5.2], [-43.25, -5.5], [-43.35000000000002, -5.75], [-43.25, -6.0], [-43.35000000000002, -6.25], [-43.25, -6.5], [-43.35000000000002, -6.75], [-43.25, -7.0], [-43.47000000000003, -7.53], [-43.81999999999999, -7.68], [-43.85000000000002, -7.75], [-43.75, -8.0], [-43.97000000000003, -8.53], [-44.5, -8.75], [-45.02999999999997, -8.53], [-45.18000000000001, -8.18], [-45.25, -8.15], [-45.5, -8.25], [-46.02999999999997, -8.03], [-46.25, -7.5], [-46.14999999999998, -7.25], [-46.25, -7.0]], [[-44.370000000000005, -4.8], [-44.25, -4.85], [-44.120000000000005, -4.8], [-44.25, -4.5], [-44.370000000000005, -4.8]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.210947018811396}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.299057187179267}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.439752197265648, 28.06988239994763, 27.921715460883263, 27.824449581570093, 27.75823135375981, 27.93581720987953, 27.98918616554954, 28.036414591471384, 28.003198524757693]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.022170003255212, 29.47649408976241, 29.142391459147177, 29.107137298584007, 29.008166249593103, 28.848752593994163, 28.787544504801474, 28.853687540690146, 29.335903422037802]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3985997585233747, 1.545419708914753, 1.391849018586053, 1.2874154124466612, 1.1814496782291344, 1.2385798636114742, 1.2732651478800159, 1.369413519843573, 1.2644022633232939]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5790641044071094, 1.737216124341387, 1.650805632116203, 1.4375796908861957, 1.7003093607264077, 1.6104825225041282, 1.7625865870995199, 2.210947018811396, 1.8304898012777358]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.357197735500959, 1.5836046132383301, 1.4647648266673299, 1.3635664466632396, 1.4193546708812361, 1.6819738184825994, 1.6620242655844955, 1.7354141374051744, 1.6962752518310578]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5492460525478695, 1.801684215890041, 1.8555109087060886, 1.5805078745519658, 1.9258892461457473, 2.4514815329126076, 2.0573339178821572, 2.364233816451839, 2.595894400276897]}}