{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:53.666511", "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-30_to_2025-Dec-08_121.0_-1.0"}, "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": 2025110002385}, "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 30 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 08 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": 74179.16047807575}, "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": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Banda Sea", "Gulf of Tomini", "Makassar Strait", "Molukka Sea"]}, "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": -1.0}, "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": 121.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "121.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 119.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 123.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.85, -0.25], [119.75, 0.0], [119.97, 0.53], [120.5, 0.75], [121.03, 0.53], [121.25, 0.0], [121.15, -0.25], [121.2, -0.37], [121.32, -0.32], [121.47, 0.03], [122.0, 0.25], [122.53, 0.03], [122.7, -0.37], [123.0, -0.25], [123.25, -0.35], [123.5, -0.25], [124.03, -0.47], [124.25, -1.0], [124.03, -1.53], [123.5, -1.75], [123.25, -1.65], [123.0, -1.75], [122.5, -1.54], [122.0, -1.75], [121.75, -1.65], [121.5, -1.75], [121.0, -1.54], [120.5, -1.75], [119.97, -1.53], [119.75, -1.0], [119.85, -0.75], [119.75, -0.5], [119.85, -0.25]]]]}, "2025-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, 0.5], [119.47, 1.03], [120.0, 1.25], [120.53, 1.03], [120.68, 0.68], [121.03, 0.53], [121.18, 0.18], [121.25, 0.15], [121.5, 0.25], [121.75, 0.15], [122.0, 0.25], [122.25, 0.15], [122.5, 0.25], [123.03, 0.03], [123.18, -0.32], [123.25, -0.35], [123.5, -0.25], [124.03, -0.47], [124.25, -1.0], [124.03, -1.53], [123.5, -1.75], [123.25, -1.65], [123.0, -1.75], [122.5, -1.54], [122.18, -1.68], [122.03, -2.03], [121.5, -2.25], [121.25, -2.15], [121.0, -2.25], [120.47, -2.03], [120.32, -1.68], [119.97, -1.53], [119.75, -1.0], [119.85, -0.75], [119.75, -0.5], [119.85, -0.25], [119.82, -0.18], [119.47, -0.03], [119.25, 0.5]]]]}, "2025-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, 0.5], [119.47, 1.03], [120.0, 1.25], [120.25, 1.15], [120.5, 1.25], [121.03, 1.03], [121.18, 0.68], [121.53, 0.53], [121.68, 0.18], [121.75, 0.15], [122.0, 0.25], [122.25, 0.15], [122.5, 0.25], [123.03, 0.03], [123.18, -0.32], [123.25, -0.35], [123.5, -0.25], [124.03, -0.47], [124.25, -1.0], [124.03, -1.53], [123.5, -1.75], [123.25, -1.65], [123.0, -1.75], [122.5, -1.54], [122.18, -1.68], [122.03, -2.03], [121.5, -2.25], [121.25, -2.15], [121.0, -2.25], [120.47, -2.03], [120.32, -1.68], [119.97, -1.53], [119.75, -1.0], [119.85, -0.75], [119.75, -0.5], [119.85, -0.25], [119.82, -0.18], [119.47, -0.03], [119.25, 0.5]]]]}, "2025-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, 0.5], [119.47, 1.03], [120.0, 1.25], [120.25, 1.15], [120.5, 1.25], [121.03, 1.03], [121.18, 0.68], [121.53, 0.53], [121.68, 0.18], [121.75, 0.15], [122.0, 0.25], [122.25, 0.15], [122.5, 0.25], [123.03, 0.03], [123.25, -0.5], [123.03, -1.03], [122.68, -1.18], [122.53, -1.53], [122.18, -1.68], [122.03, -2.03], [121.5, -2.25], [121.25, -2.15], [121.0, -2.25], [120.47, -2.03], [120.32, -1.68], [119.97, -1.53], [119.75, -1.0], [119.85, -0.75], [119.75, -0.5], [119.85, -0.25], [119.82, -0.18], [119.47, -0.03], [119.25, 0.5]]]]}, "2025-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.85, -0.25], [119.75, 0.0], [119.85, 0.25], [119.75, 0.5], [119.97, 1.03], [120.5, 1.25], [120.75, 1.15], [121.0, 1.25], [121.53, 1.03], [121.68, 0.68], [121.75, 0.65], [122.0, 0.75], [122.53, 0.53], [122.68, 0.18], [123.03, 0.03], [123.25, -0.5], [123.03, -1.03], [122.68, -1.18], [122.53, -1.53], [122.18, -1.68], [122.03, -2.03], [121.5, -2.25], [121.25, -2.15], [121.0, -2.25], [120.47, -2.03], [120.32, -1.68], [119.97, -1.53], [119.75, -1.0], [119.85, -0.75], [119.75, -0.5], [119.85, -0.25]]]]}, "2025-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.47, 0.03], [119.82, 0.18], [119.85, 0.25], [119.75, 0.5], [119.97, 1.03], [120.5, 1.25], [120.75, 1.15], [121.0, 1.25], [121.25, 1.15], [121.5, 1.25], [121.75, 1.15], [122.0, 1.25], [122.53, 1.03], [122.75, 0.5], [122.65, 0.25], [122.68, 0.18], [123.03, 0.03], [123.25, -0.5], [123.03, -1.03], [122.5, -1.25], [122.25, -1.15], [122.0, -1.25], [121.75, -1.15], [121.68, -1.18], [121.53, -1.53], [121.0, -1.75], [120.75, -1.65], [120.5, -1.75], [120.25, -1.65], [120.0, -1.75], [119.47, -1.53], [119.25, -1.0], [119.35, -0.75], [119.25, -0.5], [119.47, 0.03]]]]}, "2025-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.47, 0.03], [119.88, 0.2], [119.75, 0.5], [119.97, 1.03], [120.5, 1.25], [120.75, 1.15], [121.0, 1.25], [121.25, 1.15], [121.5, 1.25], [121.75, 1.15], [122.0, 1.25], [122.53, 1.03], [122.75, 0.5], [122.65, 0.25], [122.75, 0.0], [122.53, -0.53], [122.0, -0.75], [121.75, -0.65], [121.68, -0.68], [121.65, -0.75], [121.75, -1.0], [121.53, -1.53], [121.0, -1.75], [120.75, -1.65], [120.5, -1.75], [120.25, -1.65], [120.0, -1.75], [119.47, -1.53], [119.25, -1.0], [119.35, -0.75], [119.25, -0.5], [119.47, 0.03]]]]}, "2025-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.47, 0.03], [119.88, 0.2], [119.75, 0.5], [119.97, 1.03], [120.5, 1.25], [120.75, 1.15], [121.0, 1.25], [121.25, 1.15], [121.5, 1.25], [121.75, 1.15], [122.0, 1.25], [122.53, 1.03], [122.75, 0.5], [122.65, 0.25], [122.75, 0.0], [122.53, -0.53], [122.0, -0.75], [121.75, -0.65], [121.63, -0.7], [121.75, -1.0], [121.53, -1.53], [121.0, -1.75], [120.75, -1.65], [120.5, -1.75], [120.25, -1.65], [120.0, -1.75], [119.47, -1.53], [119.25, -1.0], [119.35, -0.75], [119.25, -0.5], [119.47, 0.03]]]]}, "2025-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.47, -1.53], [119.25, -1.0], [119.47, -0.47], [120.0, -0.25], [120.53, -0.47], [120.75, -1.0], [120.53, -1.53], [120.0, -1.75], [119.47, -1.53]]], [[[119.75, 0.5], [119.97, 1.03], [120.5, 1.25], [120.75, 1.15], [121.0, 1.25], [121.53, 1.03], [121.75, 0.5], [121.53, -0.03], [121.0, -0.25], [120.75, -0.15], [120.5, -0.25], [119.97, -0.03], [119.75, 0.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5295880943555176}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.163594579098397}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.656587219238247, 27.288289048936633, 27.5464326746324, 27.367061869303427, 27.57044709149534, 27.880387429630105, 27.685127414801116, 27.64317300969907, 25.865037960476343]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.447592671712243, 28.742705281575525, 28.958723958333337, 29.01997528076174, 29.00960820515951, 28.881153361002646, 28.78888092041018, 28.987070973714196, 27.04697697957357]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8784820790652361, 1.0616263093312797, 1.2632561030709406, 1.179447607072772, 1.238227482268913, 1.128416050376623, 1.1287621392708134, 1.292877666607658, 1.2430499488154965]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.193412934860305, 2.0034898455244843, 2.5295880943555176, 2.258399496220875, 2.0812487787425766, 1.4809610010312895, 1.4927751414679165, 1.9982727567937673, 1.5587941392477092]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4970211447442512, 1.7802810576125068, 2.0778003906888687, 1.8908904539587998, 1.9795201592407725, 1.8310531242520818, 1.794450850438609, 2.0337858300978198, 1.860678245697622]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8007900412071414, 2.998407110222249, 3.7402167477797486, 3.31572561617622, 2.9942923167317623, 2.471076436601755, 2.4716217081906335, 2.6146086588567754, 2.055386360342571]}}