{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:28:02.383932", "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": "2021-Oct-26_to_2021-Nov-01_101.0_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": 2021100002325}, "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": "October 26 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 01 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 64795.808905793514}, "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", "Malaysia"]}, "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": ["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": 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": 101.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "101.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 100.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 103.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.47, 0.97], [101.25, 1.5], [101.47, 2.03], [102.0, 2.25], [102.53, 2.03], [102.75, 1.5], [102.53, 0.97], [102.0, 0.75], [101.47, 0.97]]], [[[101.25, 4.15], [101.5, 4.25], [102.03, 4.03], [102.25, 3.5], [102.03, 2.97], [101.5, 2.75], [101.25, 2.85], [101.13, 2.8], [101.25, 2.5], [101.03, 1.97], [100.5, 1.75], [99.97, 1.97], [99.75, 2.5], [99.97, 3.03], [100.38, 3.2], [100.25, 3.5], [100.47, 4.03], [101.0, 4.25], [101.25, 4.15]]], [[[102.5, 6.25], [103.03, 6.03], [103.18, 5.68], [103.53, 5.53], [103.75, 5.0], [103.65, 4.75], [103.75, 4.5], [103.53, 3.97], [103.0, 3.75], [102.47, 3.97], [102.25, 4.5], [102.35, 4.75], [102.32, 4.82], [101.97, 4.97], [101.75, 5.5], [101.97, 6.03], [102.5, 6.25]]]]}, "2021-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.25, 3.5], [100.47, 4.03], [101.0, 4.25], [101.25, 4.15], [101.5, 4.25], [101.93, 4.07], [101.75, 4.5], [101.96, 5.0], [101.75, 5.5], [101.97, 6.03], [102.5, 6.25], [103.03, 6.03], [103.18, 5.68], [103.53, 5.53], [103.75, 5.0], [103.65, 4.75], [103.75, 4.5], [103.53, 3.97], [103.0, 3.75], [102.75, 3.85], [102.5, 3.75], [102.07, 3.93], [102.25, 3.5], [102.04, 3.0], [102.18, 2.68], [102.53, 2.53], [102.68, 2.18], [103.03, 2.03], [103.25, 1.5], [103.03, 0.97], [102.5, 0.75], [102.25, 0.85], [102.0, 0.75], [101.47, 0.97], [101.32, 1.32], [100.97, 1.47], [100.82, 1.82], [100.75, 1.85], [100.5, 1.75], [99.97, 1.97], [99.75, 2.5], [99.97, 3.03], [100.32, 3.18], [100.35, 3.25], [100.25, 3.5]]]]}, "2021-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.25, 3.5], [100.47, 4.03], [101.0, 4.25], [101.25, 4.15], [101.5, 4.25], [101.93, 4.07], [101.75, 4.5], [101.96, 5.0], [101.75, 5.5], [101.97, 6.03], [102.5, 6.25], [103.03, 6.03], [103.18, 5.68], [103.53, 5.53], [103.75, 5.0], [103.65, 4.75], [103.75, 4.5], [103.53, 3.97], [103.0, 3.75], [102.75, 3.85], [102.5, 3.75], [102.07, 3.93], [102.25, 3.5], [102.04, 3.0], [102.18, 2.68], [102.53, 2.53], [102.68, 2.18], [103.03, 2.03], [103.25, 1.5], [103.03, 0.97], [102.5, 0.75], [102.25, 0.85], [102.0, 0.75], [101.47, 0.97], [101.32, 1.32], [100.97, 1.47], [100.82, 1.82], [100.75, 1.85], [100.5, 1.75], [99.97, 1.97], [99.75, 2.5], [99.97, 3.03], [100.32, 3.18], [100.35, 3.25], [100.25, 3.5]]]]}, "2021-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.25, 3.5], [100.47, 4.03], [101.0, 4.25], [101.25, 4.15], [101.32, 4.18], [101.47, 4.53], [101.82, 4.68], [101.96, 5.0], [101.75, 5.5], [101.97, 6.03], [102.5, 6.25], [103.03, 6.03], [103.18, 5.68], [103.53, 5.53], [103.75, 5.0], [103.65, 4.75], [103.75, 4.5], [103.65, 4.25], [103.75, 4.0], [103.65, 3.75], [103.75, 3.5], [103.54, 3.0], [103.75, 2.5], [103.53, 1.97], [103.13, 1.8], [103.25, 1.5], [103.03, 0.97], [102.5, 0.75], [102.25, 0.85], [102.0, 0.75], [101.47, 0.97], [101.32, 1.32], [100.97, 1.47], [100.82, 1.82], [100.75, 1.85], [100.5, 1.75], [99.97, 1.97], [99.75, 2.5], [99.97, 3.03], [100.32, 3.18], [100.35, 3.25], [100.25, 3.5]]]]}, "2021-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.47, 2.97], [100.25, 3.5], [100.47, 4.03], [101.0, 4.25], [101.25, 4.15], [101.32, 4.18], [101.47, 4.53], [102.0, 4.75], [102.25, 4.65], [102.32, 4.68], [102.47, 5.03], [103.0, 5.25], [103.53, 5.03], [103.75, 4.5], [103.65, 4.25], [103.75, 4.0], [103.65, 3.75], [103.75, 3.5], [103.54, 3.0], [103.75, 2.5], [103.53, 1.97], [103.0, 1.75], [102.47, 1.97], [102.32, 2.32], [101.97, 2.47], [101.8, 2.87], [101.5, 2.75], [101.25, 2.85], [101.0, 2.75], [100.47, 2.97]]]]}, "2021-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.25, 4.0], [101.47, 4.53], [102.0, 4.75], [102.25, 4.65], [102.32, 4.68], [102.47, 5.03], [103.0, 5.25], [103.53, 5.03], [103.75, 4.5], [103.65, 4.25], [103.75, 4.0], [103.65, 3.75], [103.75, 3.5], [103.54, 3.0], [103.75, 2.5], [103.53, 1.97], [103.0, 1.75], [102.47, 1.97], [102.32, 2.32], [101.97, 2.47], [101.75, 3.0], [101.85, 3.25], [101.82, 3.32], [101.47, 3.47], [101.25, 4.0]]]]}, "2021-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.25, 4.0], [101.47, 4.53], [102.0, 4.75], [102.25, 4.65], [102.5, 4.75], [103.03, 4.53], [103.25, 4.0], [103.15, 3.75], [103.25, 3.5], [103.03, 2.97], [102.5, 2.75], [101.97, 2.97], [101.82, 3.32], [101.47, 3.47], [101.25, 4.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.124192990722065}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2435612106119152}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.84002673223523, 27.317405352306423, 27.287909565944346, 27.508655292024457, 27.007869111517834, 27.124646809758644, 27.606838504898747]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.723565720832937, 28.14630098846453, 28.287413652209807, 28.770873322926718, 28.785790732121256, 29.324248931687066, 28.478855470455358]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0585130018823992, 1.1392295451135064, 1.125631647861265, 1.4148579805112718, 1.1497446102284925, 1.418613330146421, 1.3593983893669588]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4389856230157534, 1.3474081283927148, 1.6137152010593354, 2.124192990722065, 1.5147450348367784, 2.08816895373144, 1.4883310286044775]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4896665738490975, 1.778279108196034, 1.807018376751118, 2.1437018280338895, 1.4955818412387163, 1.7931145699072342, 1.6076110337418992]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6648959519853126, 2.1027524237550845, 2.740360958340983, 3.744475901126297, 1.704433915175775, 2.3768588652704543, 1.7166904751328356]}}