{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:24.202739", "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": "2026-Mar-19_to_2026-Mar-26_135.0_-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": 2026030002059}, "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": "March 19 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 26 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 55613.39397017439}, "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": ["South Pacific 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": -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": 135.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "135.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 134.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.75}, "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": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.97, 0.03], [134.5, 0.25], [135.03, 0.03], [135.18, -0.32], [135.53, -0.47], [135.75, -1.0], [135.53, -1.53], [135.0, -1.75], [134.75, -1.65], [134.5, -1.75], [133.97, -1.53], [133.75, -1.0], [133.85, -0.75], [133.75, -0.5], [133.97, 0.03]]]]}, "2026-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.97, 0.03], [134.5, 0.25], [135.03, 0.03], [135.18, -0.32], [135.53, -0.47], [135.75, -1.0], [135.53, -1.53], [135.0, -1.75], [134.75, -1.65], [134.5, -1.75], [133.97, -1.53], [133.75, -1.0], [133.85, -0.75], [133.75, -0.5], [133.97, 0.03]]]]}, "2026-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.97, 0.03], [134.5, 0.25], [135.03, 0.03], [135.18, -0.32], [135.25, -0.35], [135.5, -0.25], [136.03, -0.47], [136.25, -1.0], [136.03, -1.53], [135.5, -1.75], [135.25, -1.65], [135.0, -1.75], [134.75, -1.65], [134.5, -1.75], [133.97, -1.53], [133.75, -1.0], [133.85, -0.75], [133.75, -0.5], [133.97, 0.03]]]]}, "2026-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.97, -1.53], [133.75, -1.0], [133.97, -0.47], [134.5, -0.25], [134.75, -0.35], [135.0, -0.25], [135.25, -0.35], [135.5, -0.25], [136.03, -0.47], [136.25, -1.0], [136.15, -1.25], [136.25, -1.5], [136.03, -2.03], [135.5, -2.25], [134.97, -2.03], [134.82, -1.68], [134.75, -1.65], [134.5, -1.75], [133.97, -1.53]]]]}, "2026-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.0, 0.25], [135.25, 0.15], [135.5, 0.25], [136.03, 0.03], [136.25, -0.5], [136.15, -0.75], [136.18, -0.82], [136.53, -0.97], [136.75, -1.5], [136.65, -1.75], [136.75, -2.0], [136.53, -2.53], [136.0, -2.75], [135.47, -2.53], [135.32, -2.18], [134.97, -2.03], [134.82, -1.68], [134.75, -1.65], [134.5, -1.75], [133.97, -1.53], [133.75, -1.0], [133.97, -0.47], [134.32, -0.32], [134.47, 0.03], [135.0, 0.25]]]]}, "2026-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, -1.75], [133.75, -1.5], [133.85, -1.25], [133.75, -1.0], [133.97, -0.47], [134.32, -0.32], [134.47, 0.03], [135.0, 0.25], [135.25, 0.15], [135.5, 0.25], [136.03, 0.03], [136.2, -0.37], [136.5, -0.25], [137.03, -0.47], [137.25, -1.0], [137.03, -1.53], [136.68, -1.68], [136.65, -1.75], [136.75, -2.0], [136.53, -2.53], [136.18, -2.68], [136.03, -3.03], [135.68, -3.18], [135.53, -3.53], [135.0, -3.75], [134.47, -3.53], [134.32, -3.18], [133.97, -3.03], [133.75, -2.5], [133.85, -2.25], [133.75, -2.0], [133.85, -1.75]]]]}, "2026-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, -1.75], [133.75, -1.5], [133.97, -0.97], [134.38, -0.8], [134.25, -0.5], [134.47, 0.03], [135.0, 0.25], [135.25, 0.15], [135.5, 0.25], [136.03, 0.03], [136.2, -0.37], [136.5, -0.25], [137.03, -0.47], [137.25, -1.0], [137.03, -1.53], [136.68, -1.68], [136.65, -1.75], [136.75, -2.0], [136.53, -2.53], [136.18, -2.68], [136.03, -3.03], [135.68, -3.18], [135.53, -3.53], [135.0, -3.75], [134.47, -3.53], [134.32, -3.18], [133.97, -3.03], [133.75, -2.5], [133.85, -2.25], [133.75, -2.0], [133.85, -1.75]]]]}, "2026-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, -1.75], [133.75, -1.5], [133.97, -0.97], [134.5, -0.75], [135.03, -0.97], [135.18, -1.32], [135.25, -1.35], [135.5, -1.25], [135.75, -1.35], [135.88, -1.3], [135.75, -1.0], [135.97, -0.47], [136.5, -0.25], [137.03, -0.47], [137.25, -1.0], [137.03, -1.53], [136.63, -1.7], [136.75, -2.0], [136.53, -2.53], [136.18, -2.68], [136.03, -3.03], [135.68, -3.18], [135.53, -3.53], [135.0, -3.75], [134.47, -3.53], [134.32, -3.18], [133.97, -3.03], [133.75, -2.5], [133.85, -2.25], [133.75, -2.0], [133.85, -1.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4062575507770134}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0833616508913337}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.921726057264607, 27.796656968858485, 27.79076283772787, 27.657258605957054, 27.752907053629542, 28.096233622233058, 28.399851311577777, 27.934261322021484]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.051391855875693, 27.9150380452474, 27.87318064371749, 27.724580383300804, 28.105242665608728, 28.57507476806643, 29.31239471435549, 28.429769134521507]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9179926017903123, 0.76635353381126, 0.7764563103677204, 0.6927884954196628, 0.8331297431232443, 1.1706575863425361, 1.4651861493533866, 0.986111887398124]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0274380356109987, 0.9094730585150614, 0.8117064916773415, 0.7563493373206143, 0.9718347413539732, 1.7342722750625512, 2.4062575507770134, 1.530980568957716]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7701199048816492, 1.4566942889546146, 1.529757111429142, 1.400733031028762, 1.69528403034437, 2.3081807440333897, 2.809353602004204, 1.9064805998859544]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.048773594679472, 1.7797847708493197, 1.6434035182702176, 1.5379897361152024, 1.8901599187809164, 3.117974146299892, 4.2078362226382025, 2.6826476210351693]}}