{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:27.364201", "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-Jan-19_to_2025-Jan-22_95.0_5.5"}, "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": 2025010001895}, "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 19 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 22 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 73919.21591150008}, "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": ["Bay of Bengal", "Indian Ocean", "Malacca Strait"]}, "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": 5.5}, "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": 95.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "95.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 92.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 96.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.85, 5.25], [92.75, 5.5], [92.97, 6.03], [93.5, 6.25], [93.75, 6.15], [94.0, 6.25], [94.25, 6.15], [94.5, 6.25], [94.75, 6.15], [95.0, 6.25], [95.5, 6.04], [96.0, 6.25], [96.25, 6.15], [96.5, 6.25], [97.03, 6.03], [97.25, 5.5], [97.03, 4.97], [96.63, 4.8], [96.75, 4.5], [96.65, 4.25], [96.68, 4.18], [97.03, 4.03], [97.25, 3.5], [97.03, 2.97], [96.5, 2.75], [96.25, 2.85], [96.0, 2.75], [95.47, 2.97], [95.25, 3.5], [95.35, 3.75], [95.32, 3.82], [95.25, 3.85], [95.18, 3.82], [95.03, 3.47], [94.5, 3.25], [94.25, 3.35], [94.0, 3.25], [93.47, 3.47], [93.32, 3.82], [92.97, 3.97], [92.75, 4.5], [92.85, 4.75], [92.75, 5.0], [92.85, 5.25]]]]}, "2025-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.25, 6.0], [92.47, 6.53], [93.0, 6.75], [93.53, 6.53], [93.68, 6.18], [93.75, 6.15], [94.0, 6.25], [94.25, 6.15], [94.5, 6.25], [94.75, 6.15], [95.0, 6.25], [95.25, 6.15], [95.5, 6.25], [95.75, 6.15], [96.0, 6.25], [96.25, 6.15], [96.5, 6.25], [97.03, 6.03], [97.25, 5.5], [97.03, 4.97], [96.63, 4.8], [96.75, 4.5], [96.65, 4.25], [96.68, 4.18], [97.03, 4.03], [97.25, 3.5], [97.03, 2.97], [96.5, 2.75], [96.25, 2.85], [96.0, 2.75], [95.47, 2.97], [95.25, 3.5], [95.35, 3.75], [95.32, 3.82], [95.25, 3.85], [95.18, 3.82], [95.03, 3.47], [94.5, 3.25], [94.25, 3.35], [94.0, 3.25], [93.47, 3.47], [93.32, 3.82], [92.97, 3.97], [92.75, 4.5], [92.85, 4.75], [92.75, 5.0], [92.85, 5.25], [92.82, 5.32], [92.47, 5.47], [92.25, 6.0]]]]}, "2025-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.25, 6.0], [92.47, 6.53], [93.0, 6.75], [93.53, 6.53], [93.68, 6.18], [93.75, 6.15], [94.0, 6.25], [94.25, 6.15], [94.5, 6.25], [94.75, 6.15], [95.0, 6.25], [95.25, 6.15], [95.5, 6.25], [95.75, 6.15], [96.0, 6.25], [96.25, 6.15], [96.5, 6.25], [97.03, 6.03], [97.25, 5.5], [97.03, 4.97], [96.63, 4.8], [96.75, 4.5], [96.65, 4.25], [96.68, 4.18], [97.03, 4.03], [97.25, 3.5], [97.03, 2.97], [96.5, 2.75], [96.25, 2.85], [96.0, 2.75], [95.47, 2.97], [95.25, 3.5], [95.35, 3.75], [95.32, 3.82], [95.25, 3.85], [95.18, 3.82], [95.03, 3.47], [94.5, 3.25], [94.25, 3.35], [94.0, 3.25], [93.47, 3.47], [93.32, 3.82], [92.97, 3.97], [92.75, 4.5], [92.85, 4.75], [92.75, 5.0], [92.85, 5.25], [92.82, 5.32], [92.47, 5.47], [92.25, 6.0]]]]}, "2025-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.25, 5.5], [94.47, 6.03], [95.0, 6.25], [95.25, 6.15], [95.5, 6.25], [95.75, 6.15], [96.0, 6.25], [96.25, 6.15], [96.5, 6.25], [97.03, 6.03], [97.25, 5.5], [97.03, 4.97], [96.5, 4.75], [96.25, 4.85], [96.0, 4.75], [95.75, 4.85], [95.5, 4.75], [95.25, 4.85], [95.0, 4.75], [94.47, 4.97], [94.25, 5.5]]], [[[92.47, 5.47], [92.25, 6.0], [92.47, 6.53], [93.0, 6.75], [93.53, 6.53], [93.75, 6.0], [93.53, 5.47], [93.0, 5.25], [92.47, 5.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3614093322381677}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0081553388663504}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.843974743467413, 27.671351369222066, 27.677835083007892, 27.317191569010447]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.670046742757165, 28.39659144083663, 28.30775858561202, 27.93677164713546]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0899113874321529, 0.9850323784890852, 0.9860733962933376, 0.8654122593381544]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3614093322381677, 1.2073395861926883, 1.2295997921674484, 0.9821718217340845]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8369528955164354, 1.6819197589123374, 1.6763186699858543, 1.50202094784223]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3598952604444308, 2.230350961140915, 2.1684269297851158, 1.7960849425021217]}}