{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:01.014988", "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-11_to_2025-Jun-13_103.5_4.0"}, "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": 2025060001910}, "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 11 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 13 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 58496.430634633834}, "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": ["Malaysia"]}, "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": ["South China 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": 4.0}, "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": 103.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "103.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 103.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 106.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 4.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[103.0, 7.75], [103.53, 7.53], [103.75, 7.0], [103.65, 6.75], [103.68, 6.68], [104.03, 6.53], [104.18, 6.18], [104.5, 6.04], [105.0, 6.25], [105.25, 6.15], [105.5, 6.25], [106.03, 6.03], [106.25, 5.5], [106.15, 5.25], [106.18, 5.18], [106.53, 5.03], [106.75, 4.5], [106.53, 3.97], [106.18, 3.82], [106.03, 3.47], [105.5, 3.25], [105.25, 3.35], [105.0, 3.25], [104.47, 3.47], [104.32, 3.82], [104.2, 3.87], [104.03, 3.47], [103.5, 3.25], [102.97, 3.47], [102.75, 4.0], [102.85, 4.25], [102.75, 4.5], [102.96, 5.0], [102.75, 5.5], [102.85, 5.75], [102.82, 5.82], [102.47, 5.97], [102.25, 6.5], [102.35, 6.75], [102.25, 7.0], [102.47, 7.53], [103.0, 7.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, 7.0], [102.47, 7.53], [103.0, 7.75], [103.53, 7.53], [103.75, 7.0], [103.65, 6.75], [103.68, 6.68], [104.03, 6.53], [104.18, 6.18], [104.5, 6.04], [105.0, 6.25], [105.25, 6.15], [105.5, 6.25], [106.03, 6.03], [106.25, 5.5], [106.15, 5.25], [106.18, 5.18], [106.53, 5.03], [106.75, 4.5], [106.53, 3.97], [106.18, 3.82], [106.03, 3.47], [105.5, 3.25], [105.25, 3.35], [105.0, 3.25], [104.47, 3.47], [104.32, 3.82], [104.2, 3.87], [104.03, 3.47], [103.5, 3.25], [102.97, 3.47], [102.75, 4.0], [102.85, 4.25], [102.75, 4.5], [102.96, 5.0], [102.75, 5.5], [102.85, 5.75], [102.82, 5.82], [102.47, 5.97], [102.25, 6.5], [102.35, 6.75], [102.25, 7.0]]]]}, "2025-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, 7.0], [102.47, 7.53], [103.0, 7.75], [103.53, 7.53], [103.75, 7.0], [103.65, 6.75], [103.68, 6.68], [104.03, 6.53], [104.18, 6.18], [104.5, 6.04], [105.0, 6.25], [105.25, 6.15], [105.5, 6.25], [106.03, 6.03], [106.25, 5.5], [106.15, 5.25], [106.18, 5.18], [106.53, 5.03], [106.75, 4.5], [106.53, 3.97], [106.18, 3.82], [106.03, 3.47], [105.5, 3.25], [105.25, 3.35], [105.0, 3.25], [104.47, 3.47], [104.32, 3.82], [104.2, 3.87], [104.03, 3.47], [103.5, 3.25], [102.97, 3.47], [102.75, 4.0], [102.85, 4.25], [102.75, 4.5], [102.96, 5.0], [102.75, 5.5], [102.85, 5.75], [102.82, 5.82], [102.47, 5.97], [102.25, 6.5], [102.35, 6.75], [102.25, 7.0]]]]}, "2025-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, 7.0], [102.47, 7.53], [103.0, 7.75], [103.53, 7.53], [103.75, 7.0], [103.65, 6.75], [103.68, 6.68], [104.03, 6.53], [104.18, 6.18], [104.5, 6.04], [105.0, 6.25], [105.25, 6.15], [105.5, 6.25], [106.03, 6.03], [106.25, 5.5], [106.15, 5.25], [106.18, 5.18], [106.53, 5.03], [106.75, 4.5], [106.53, 3.97], [106.18, 3.82], [106.03, 3.47], [105.5, 3.25], [105.25, 3.35], [105.0, 3.25], [104.47, 3.47], [104.32, 3.82], [104.2, 3.87], [104.03, 3.47], [103.5, 3.25], [102.97, 3.47], [102.75, 4.0], [102.85, 4.25], [102.75, 4.5], [102.96, 5.0], [102.75, 5.5], [102.85, 5.75], [102.82, 5.82], [102.47, 5.97], [102.25, 6.5], [102.35, 6.75], [102.25, 7.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.0983282310235154}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9116410675473293}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.023676407128107, 28.99117913497122, 29.036459859212243]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.34630610148116, 29.185947672526083, 29.242758687337243]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9238416329957168, 0.8852869345523536, 0.9257946350939177]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0983282310235154, 1.0111186924167441, 1.031494561235263]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4345323823851552, 1.4084442363981367, 1.5062859876854038]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7701209047897166, 1.6308987975209752, 1.8690767344176276]}}