{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:31.158854", "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": "2013-Jan-14_to_2013-Jan-18_97.0_3.5"}, "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": 2013010001830}, "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": "January 14 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 18 2013"}, "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": 67941.23429914708}, "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": ["Indian 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": 3.5}, "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": 97.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 95.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.97, 3.97], [94.75, 4.5], [94.97, 5.03], [95.5, 5.25], [95.75, 5.15], [96.0, 5.25], [96.53, 5.03], [96.68, 4.68], [97.03, 4.53], [97.18, 4.18], [97.53, 4.03], [97.68, 3.68], [97.75, 3.65], [98.0, 3.75], [98.53, 3.53], [98.75, 3.0], [98.63, 2.7], [99.03, 2.53], [99.18, 2.18], [99.53, 2.03], [99.75, 1.5], [99.65, 1.25], [99.75, 1.0], [99.53, 0.47], [99.18, 0.32], [99.15, 0.25], [99.25, 0.0], [99.03, -0.53], [98.5, -0.75], [98.25, -0.65], [98.0, -0.75], [97.47, -0.53], [97.32, -0.18], [96.97, -0.03], [96.75, 0.5], [96.97, 1.03], [97.38, 1.2], [97.32, 1.32], [97.25, 1.35], [97.0, 1.25], [96.47, 1.47], [96.25, 2.0], [96.35, 2.25], [96.25, 2.5], [96.35, 2.75], [96.25, 3.0], [96.35, 3.25], [96.32, 3.32], [95.97, 3.47], [95.82, 3.82], [95.75, 3.85], [95.5, 3.75], [94.97, 3.97]]]]}, "2013-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.97, 3.97], [94.75, 4.5], [94.97, 5.03], [95.5, 5.25], [95.75, 5.15], [96.0, 5.25], [96.53, 5.03], [96.68, 4.68], [97.03, 4.53], [97.18, 4.18], [97.53, 4.03], [97.68, 3.68], [97.75, 3.65], [98.0, 3.75], [98.53, 3.53], [98.75, 3.0], [98.63, 2.7], [99.03, 2.53], [99.18, 2.18], [99.53, 2.03], [99.75, 1.5], [99.65, 1.25], [99.75, 1.0], [99.53, 0.47], [99.18, 0.32], [99.15, 0.25], [99.25, 0.0], [99.03, -0.53], [98.5, -0.75], [98.25, -0.65], [98.0, -0.75], [97.47, -0.53], [97.32, -0.18], [96.97, -0.03], [96.75, 0.5], [96.97, 1.03], [97.38, 1.2], [97.32, 1.32], [97.25, 1.35], [97.0, 1.25], [96.47, 1.47], [96.25, 2.0], [96.35, 2.25], [96.25, 2.5], [96.35, 2.75], [96.25, 3.0], [96.35, 3.25], [96.32, 3.32], [95.97, 3.47], [95.82, 3.82], [95.75, 3.85], [95.5, 3.75], [94.97, 3.97]]]]}, "2013-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.97, 3.97], [94.75, 4.5], [94.97, 5.03], [95.5, 5.25], [95.75, 5.15], [96.0, 5.25], [96.53, 5.03], [96.68, 4.68], [97.03, 4.53], [97.18, 4.18], [97.53, 4.03], [97.68, 3.68], [97.75, 3.65], [98.0, 3.75], [98.53, 3.53], [98.75, 3.0], [98.63, 2.7], [99.03, 2.53], [99.18, 2.18], [99.53, 2.03], [99.75, 1.5], [99.65, 1.25], [99.75, 1.0], [99.53, 0.47], [99.18, 0.32], [99.15, 0.25], [99.25, 0.0], [99.03, -0.53], [98.5, -0.75], [98.25, -0.65], [98.0, -0.75], [97.47, -0.53], [97.32, -0.18], [96.97, -0.03], [96.75, 0.5], [96.97, 1.03], [97.38, 1.2], [97.32, 1.32], [97.25, 1.35], [97.0, 1.25], [96.47, 1.47], [96.25, 2.0], [96.35, 2.25], [96.25, 2.5], [96.35, 2.75], [96.25, 3.0], [96.35, 3.25], [96.32, 3.32], [95.97, 3.47], [95.82, 3.82], [95.75, 3.85], [95.5, 3.75], [94.97, 3.97]]]]}, "2013-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 2.97], [96.25, 3.5], [96.47, 4.03], [97.0, 4.25], [97.53, 4.03], [97.7, 3.63], [98.0, 3.75], [98.53, 3.53], [98.75, 3.0], [98.53, 2.47], [98.0, 2.25], [97.47, 2.47], [97.3, 2.87], [97.0, 2.75], [96.47, 2.97]]]]}, "2013-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.0, 4.25], [97.53, 4.03], [97.75, 3.5], [97.53, 2.97], [97.0, 2.75], [96.47, 2.97], [96.25, 3.5], [96.47, 4.03], [97.0, 4.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8188960995360048}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2037954799269397}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.384339950453864, 27.07413702045494, 27.471051397966335, 25.272814874239316, 25.38665163950202]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.64893263853503, 28.111787553130114, 28.671756697323644, 25.36106317607738, 25.38665163950202]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.274065350548917, 0.9704045586888852, 1.3826372871160066, 1.121946559849846, 1.0216366754753494]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7536830051703873, 1.2094241904679848, 1.8188960995360048, 1.4074363549082136, 1.0216366754753494]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.137497332508448, 1.5710828725095398, 2.2107599825990865, 1.577079549701144, 1.5437998855403843]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.6857335857190328, 2.04640177445642, 2.901177461637337, 1.864838210291259, 1.5437998855403843]}}