{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:49.485250", "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": "2017-Dec-29_to_2018-Jan-06_124.5_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": 2017120002793}, "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": "December 29 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 06 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 182018.55316645466}, "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": ["Celebes Sea", "Molukka Sea", "Philippine 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": 124.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "124.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 122.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 128.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.75}, "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": {"2017-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.97, 4.53], [122.5, 4.75], [123.0, 4.54], [123.5, 4.75], [123.75, 4.65], [123.82, 4.68], [123.97, 5.03], [124.5, 5.25], [124.75, 5.15], [124.88, 5.2], [124.75, 5.5], [124.97, 6.03], [125.5, 6.25], [126.03, 6.03], [126.25, 5.5], [126.04, 5.0], [126.25, 4.5], [126.15, 4.25], [126.25, 4.0], [126.15, 3.75], [126.18, 3.68], [126.25, 3.65], [126.5, 3.75], [127.03, 3.53], [127.18, 3.18], [127.53, 3.03], [127.75, 2.5], [127.53, 1.97], [127.18, 1.82], [127.03, 1.47], [126.68, 1.32], [126.53, 0.97], [126.0, 0.75], [125.75, 0.85], [125.5, 0.75], [124.97, 0.97], [124.75, 1.5], [124.96, 2.0], [124.82, 2.32], [124.75, 2.35], [124.5, 2.25], [123.97, 2.47], [123.82, 2.82], [123.75, 2.85], [123.5, 2.75], [123.25, 2.85], [123.0, 2.75], [122.47, 2.97], [122.32, 3.32], [121.97, 3.47], [121.75, 4.0], [121.97, 4.53]]], [[[121.97, 6.03], [122.5, 6.25], [123.03, 6.03], [123.25, 5.5], [123.03, 4.97], [122.5, 4.75], [121.97, 4.97], [121.75, 5.5], [121.97, 6.03]]]]}, "2017-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.03, 3.03], [129.25, 2.5], [129.03, 1.97], [128.5, 1.75], [127.97, 1.97], [127.75, 2.5], [127.97, 3.03], [128.5, 3.25], [129.03, 3.03]]], [[[121.97, 4.53], [122.38, 4.7], [122.32, 4.82], [121.97, 4.97], [121.75, 5.5], [121.97, 6.03], [122.5, 6.25], [123.0, 6.04], [123.5, 6.25], [124.03, 6.03], [124.2, 5.63], [124.5, 5.75], [124.75, 5.65], [124.82, 5.68], [124.97, 6.03], [125.32, 6.18], [125.47, 6.53], [126.0, 6.75], [126.53, 6.53], [126.75, 6.0], [126.65, 5.75], [126.75, 5.5], [126.65, 5.25], [126.75, 5.0], [126.65, 4.75], [126.75, 4.5], [126.53, 3.97], [126.18, 3.82], [126.15, 3.75], [126.18, 3.68], [126.25, 3.65], [126.5, 3.75], [127.03, 3.53], [127.18, 3.18], [127.53, 3.03], [127.75, 2.5], [127.53, 1.97], [127.18, 1.82], [127.03, 1.47], [126.68, 1.32], [126.53, 0.97], [126.0, 0.75], [125.75, 0.85], [125.5, 0.75], [125.25, 0.85], [125.0, 0.75], [124.47, 0.97], [124.25, 1.5], [124.47, 2.03], [124.88, 2.2], [124.82, 2.32], [124.75, 2.35], [124.5, 2.25], [123.97, 2.47], [123.82, 2.82], [123.75, 2.85], [123.5, 2.75], [123.25, 2.85], [123.0, 2.75], [122.47, 2.97], [122.32, 3.32], [121.97, 3.47], [121.75, 4.0], [121.97, 4.53]]]]}, "2017-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.03, 3.03], [129.25, 2.5], [129.03, 1.97], [128.5, 1.75], [127.97, 1.97], [127.75, 2.5], [127.97, 3.03], [128.5, 3.25], [129.03, 3.03]]], [[[121.97, 4.53], [122.38, 4.7], [122.32, 4.82], [121.97, 4.97], [121.75, 5.5], [121.97, 6.03], [122.5, 6.25], [123.0, 6.04], [123.5, 6.25], [124.03, 6.03], [124.2, 5.63], [124.5, 5.75], [124.75, 5.65], [124.82, 5.68], [124.97, 6.03], [125.32, 6.18], [125.47, 6.53], [126.0, 6.75], [126.53, 6.53], [126.75, 6.0], [126.65, 5.75], [126.75, 5.5], [126.65, 5.25], [126.75, 5.0], [126.65, 4.75], [126.75, 4.5], [126.53, 3.97], [126.18, 3.82], [126.15, 3.75], [126.18, 3.68], [126.25, 3.65], [126.5, 3.75], [127.03, 3.53], [127.18, 3.18], [127.53, 3.03], [127.75, 2.5], [127.53, 1.97], [127.18, 1.82], [127.03, 1.47], [126.68, 1.32], [126.53, 0.97], [126.0, 0.75], [125.75, 0.85], [125.5, 0.75], [125.25, 0.85], [125.0, 0.75], [124.47, 0.97], [124.25, 1.5], [124.47, 2.03], [124.88, 2.2], [124.82, 2.32], [124.75, 2.35], [124.5, 2.25], [123.97, 2.47], [123.82, 2.82], [123.75, 2.85], [123.5, 2.75], [123.25, 2.85], [123.0, 2.75], [122.47, 2.97], [122.32, 3.32], [121.97, 3.47], [121.75, 4.0], [121.97, 4.53]]]]}, "2018-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.47, 0.97], [124.25, 1.5], [124.47, 2.03], [125.0, 2.25], [125.53, 2.03], [125.75, 1.5], [125.53, 0.97], [125.0, 0.75], [124.47, 0.97]]], [[[127.75, 2.5], [127.97, 3.03], [128.5, 3.25], [129.03, 3.03], [129.25, 2.5], [129.03, 1.97], [128.5, 1.75], [127.97, 1.97], [127.75, 2.5]]], [[[122.5, 6.25], [123.0, 6.04], [123.5, 6.25], [124.03, 6.03], [124.2, 5.63], [124.5, 5.75], [124.75, 5.65], [124.82, 5.68], [124.97, 6.03], [125.32, 6.18], [125.47, 6.53], [126.0, 6.75], [126.53, 6.53], [126.75, 6.0], [126.65, 5.75], [126.75, 5.5], [126.65, 5.25], [126.75, 5.0], [126.65, 4.75], [126.75, 4.5], [126.53, 3.97], [126.18, 3.82], [126.04, 3.5], [126.25, 3.0], [126.03, 2.47], [125.5, 2.25], [124.97, 2.47], [124.75, 3.0], [124.88, 3.3], [124.75, 3.35], [124.5, 3.25], [124.25, 3.35], [124.0, 3.25], [123.75, 3.35], [123.5, 3.25], [122.97, 3.47], [122.75, 4.0], [122.85, 4.25], [122.82, 4.32], [122.47, 4.47], [122.32, 4.82], [121.97, 4.97], [121.75, 5.5], [121.97, 6.03], [122.5, 6.25]]]]}, "2018-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.85, 1.75], [122.75, 2.0], [122.97, 2.53], [123.5, 2.75], [123.75, 2.65], [123.82, 2.68], [123.97, 3.03], [124.5, 3.25], [123.97, 3.47], [123.82, 3.82], [123.47, 3.97], [123.25, 4.5], [123.47, 5.03], [124.0, 5.25], [124.25, 5.15], [124.5, 5.25], [124.75, 5.15], [125.0, 5.25], [125.53, 5.03], [125.68, 4.68], [126.03, 4.53], [126.25, 4.0], [126.07, 3.57], [126.5, 3.75], [126.75, 3.65], [127.0, 3.75], [127.25, 3.65], [127.5, 3.75], [128.03, 3.53], [128.2, 3.13], [128.5, 3.25], [129.03, 3.03], [129.25, 2.5], [129.03, 1.97], [128.5, 1.75], [127.97, 1.97], [127.8, 2.37], [127.5, 2.25], [127.25, 2.35], [127.18, 2.32], [127.03, 1.97], [126.68, 1.82], [126.65, 1.75], [126.75, 1.5], [126.53, 0.97], [126.0, 0.75], [125.5, 0.96], [125.0, 0.75], [124.75, 0.85], [124.68, 0.82], [124.53, 0.47], [124.0, 0.25], [123.75, 0.35], [123.5, 0.25], [122.97, 0.47], [122.75, 1.0], [122.85, 1.25], [122.75, 1.5], [122.85, 1.75]], [[124.75, 3.15], [124.82, 3.18], [124.88, 3.3], [124.75, 3.35], [124.5, 3.25], [124.75, 3.15]]]]}, "2018-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.85, 1.75], [122.75, 2.0], [122.97, 2.53], [123.5, 2.75], [123.75, 2.65], [123.82, 2.68], [123.97, 3.03], [124.5, 3.25], [123.97, 3.47], [123.82, 3.82], [123.47, 3.97], [123.25, 4.5], [123.47, 5.03], [124.0, 5.25], [124.25, 5.15], [124.5, 5.25], [124.75, 5.15], [125.0, 5.25], [125.53, 5.03], [125.68, 4.68], [126.03, 4.53], [126.25, 4.0], [126.07, 3.57], [126.5, 3.75], [126.75, 3.65], [127.0, 3.75], [127.25, 3.65], [127.5, 3.75], [128.03, 3.53], [128.2, 3.13], [128.5, 3.25], [129.03, 3.03], [129.25, 2.5], [129.03, 1.97], [128.5, 1.75], [127.97, 1.97], [127.8, 2.37], [127.5, 2.25], [127.25, 2.35], [127.18, 2.32], [127.03, 1.97], [126.68, 1.82], [126.65, 1.75], [126.75, 1.5], [126.53, 0.97], [126.0, 0.75], [125.47, 0.97], [125.32, 1.32], [125.25, 1.35], [125.18, 1.32], [125.03, 0.97], [124.68, 0.82], [124.53, 0.47], [124.0, 0.25], [123.75, 0.35], [123.5, 0.25], [122.97, 0.47], [122.75, 1.0], [122.85, 1.25], [122.75, 1.5], [122.85, 1.75]], [[124.75, 3.15], [124.82, 3.18], [124.88, 3.3], [124.75, 3.35], [124.5, 3.25], [124.75, 3.15]]]]}, "2018-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.85, 1.75], [122.75, 2.0], [122.97, 2.53], [123.5, 2.75], [123.75, 2.65], [123.82, 2.68], [123.97, 3.03], [124.5, 3.25], [123.97, 3.47], [123.82, 3.82], [123.47, 3.97], [123.25, 4.5], [123.47, 5.03], [124.0, 5.25], [124.25, 5.15], [124.5, 5.25], [124.75, 5.15], [125.0, 5.25], [125.53, 5.03], [125.68, 4.68], [126.03, 4.53], [126.25, 4.0], [126.07, 3.57], [126.5, 3.75], [126.75, 3.65], [127.0, 3.75], [127.25, 3.65], [127.5, 3.75], [128.03, 3.53], [128.18, 3.18], [128.25, 3.15], [128.5, 3.25], [129.03, 3.03], [129.25, 2.5], [129.03, 1.97], [128.5, 1.75], [128.25, 1.85], [128.0, 1.75], [127.47, 1.97], [127.32, 2.32], [127.25, 2.35], [127.18, 2.32], [127.03, 1.97], [126.68, 1.82], [126.65, 1.75], [126.75, 1.5], [126.53, 0.97], [126.0, 0.75], [125.47, 0.97], [125.32, 1.32], [125.25, 1.35], [125.18, 1.32], [125.03, 0.97], [124.68, 0.82], [124.53, 0.47], [124.0, 0.25], [123.75, 0.35], [123.5, 0.25], [122.97, 0.47], [122.75, 1.0], [122.85, 1.25], [122.75, 1.5], [122.85, 1.75]], [[124.75, 3.15], [125.0, 3.25], [124.75, 3.35], [124.5, 3.25], [124.75, 3.15]], [[125.25, 3.15], [125.5, 3.25], [125.25, 3.35], [125.0, 3.25], [125.25, 3.15]], [[125.75, 3.15], [125.82, 3.18], [125.93, 3.43], [125.5, 3.25], [125.75, 3.15]]]]}, "2018-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.0, 3.25], [128.53, 3.03], [128.75, 2.5], [128.53, 1.97], [128.0, 1.75], [127.47, 1.97], [127.25, 2.5], [127.47, 3.03], [128.0, 3.25]]]]}, "2018-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.0, 3.25], [128.53, 3.03], [128.75, 2.5], [128.53, 1.97], [128.0, 1.75], [127.47, 1.97], [127.25, 2.5], [127.47, 3.03], [128.0, 3.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.4757060924226835}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9672365636069087}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.639408672400975, 27.858032437183567, 27.69540111755782, 27.660648654846227, 27.572115142646794, 27.644541567401063, 27.500577912866845, 27.26746988758748, 27.254515361830045]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.9621194610217, 28.372753301809496, 28.03146512798952, 28.0884029828091, 27.956664366376287, 28.125552998473324, 27.967562618203885, 27.26746988758748, 27.254515361830045]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8032899098390526, 1.0684943342838886, 0.9297262876069875, 0.9392598437813149, 1.0267757266727342, 1.0701557847344492, 0.9272199260210202, 0.6242241495867233, 0.6352687524368434]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1135033643019483, 1.4757060924226835, 1.1944281259413287, 1.3875655470441757, 1.4715166124643133, 1.4466758294224178, 1.3991737434840275, 0.6242241495867233, 0.6352687524368434]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6122094776629559, 2.120775234727604, 1.7924431869524862, 1.7641180638424967, 1.8968402066976657, 1.9746120653676578, 1.7532934856105504, 1.422953217693506, 1.4469831174191252]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2345307843569286, 2.8580139392287727, 2.254216803954326, 2.2748209775854953, 2.4040950700519783, 2.6029170005998252, 2.5170173914420277, 1.422953217693506, 1.4469831174191252]}}