{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:39.565294", "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": "2015-Aug-31_to_2015-Sep-16_119.0_-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": 2015080001092}, "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": "August 31 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 16 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 17}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 172336.15522080899}, "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": ["Flores Sea", "Java Sea", "Makassar 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": 119.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "119.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 109.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 119.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.5, -3.75], [120.03, -3.97], [120.25, -4.5], [120.03, -5.03], [119.5, -5.25], [118.97, -5.03], [118.75, -4.5], [118.97, -3.97], [119.5, -3.75]]]]}, "2015-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.5, -3.75], [120.03, -3.97], [120.25, -4.5], [120.03, -5.03], [119.5, -5.25], [118.97, -5.03], [118.75, -4.5], [118.97, -3.97], [119.5, -3.75]]]]}, "2015-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.5, -3.75], [120.03, -3.97], [120.25, -4.5], [120.03, -5.03], [119.5, -5.25], [118.97, -5.03], [118.75, -4.5], [118.97, -3.97], [119.5, -3.75]]]]}, "2015-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.35, -5.25], [118.25, -5.0], [118.47, -4.47], [119.0, -4.25], [119.53, -4.47], [119.75, -5.0], [119.65, -5.25], [119.75, -5.5], [119.65, -5.75], [119.75, -6.0], [119.53, -6.53], [119.0, -6.75], [118.47, -6.53], [118.25, -6.0], [118.35, -5.75], [118.25, -5.5], [118.35, -5.25]]]]}, "2015-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -3.97], [118.5, -3.75], [118.75, -3.85], [119.0, -3.75], [119.25, -3.85], [119.5, -3.75], [120.03, -3.97], [120.25, -4.5], [120.15, -4.75], [120.25, -5.0], [120.03, -5.53], [119.68, -5.68], [119.65, -5.75], [119.75, -6.0], [119.53, -6.53], [119.0, -6.75], [118.47, -6.53], [118.25, -6.0], [118.35, -5.75], [118.32, -5.68], [117.97, -5.53], [117.75, -5.0], [117.85, -4.75], [117.75, -4.5], [117.97, -3.97]]]]}, "2015-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -3.97], [118.5, -3.75], [118.75, -3.85], [119.0, -3.75], [119.25, -3.85], [119.5, -3.75], [120.03, -3.97], [120.25, -4.5], [120.15, -4.75], [120.25, -5.0], [120.03, -5.53], [119.68, -5.68], [119.65, -5.75], [119.75, -6.0], [119.53, -6.53], [119.0, -6.75], [118.47, -6.53], [118.25, -6.0], [118.35, -5.75], [118.32, -5.68], [117.97, -5.53], [117.75, -5.0], [117.85, -4.75], [117.75, -4.5], [117.97, -3.97]]]]}, "2015-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -3.97], [118.5, -3.75], [118.75, -3.85], [119.0, -3.75], [119.25, -3.85], [119.5, -3.75], [120.03, -3.97], [120.25, -4.5], [120.15, -4.75], [120.25, -5.0], [120.03, -5.53], [119.68, -5.68], [119.53, -6.03], [119.0, -6.25], [118.47, -6.03], [118.32, -5.68], [117.97, -5.53], [117.75, -5.0], [117.85, -4.75], [117.75, -4.5], [117.97, -3.97]]]]}, "2015-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.85, -4.75], [117.75, -4.5], [117.97, -3.97], [118.5, -3.75], [118.75, -3.85], [119.0, -3.75], [119.25, -3.85], [119.5, -3.75], [120.03, -3.97], [120.25, -4.5], [120.03, -5.03], [119.68, -5.18], [119.65, -5.25], [119.75, -5.5], [119.65, -5.75], [119.75, -6.0], [119.53, -6.53], [119.0, -6.75], [118.47, -6.53], [118.32, -6.18], [117.97, -6.03], [117.75, -5.5], [117.85, -5.25], [117.75, -5.0], [117.85, -4.75]]]]}, "2015-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -4.47], [118.5, -4.25], [118.75, -4.35], [119.0, -4.25], [119.53, -4.47], [119.75, -5.0], [119.65, -5.25], [119.75, -5.5], [119.65, -5.75], [119.75, -6.0], [119.53, -6.53], [119.0, -6.75], [118.47, -6.53], [118.32, -6.18], [117.97, -6.03], [117.75, -5.5], [117.85, -5.25], [117.75, -5.0], [117.97, -4.47]]]]}, "2015-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -4.47], [118.5, -4.25], [118.75, -4.35], [119.0, -4.25], [119.53, -4.47], [119.75, -5.0], [119.65, -5.25], [119.75, -5.5], [119.65, -5.75], [119.75, -6.0], [119.53, -6.53], [119.0, -6.75], [118.47, -6.53], [118.32, -6.18], [117.97, -6.03], [117.75, -5.5], [117.85, -5.25], [117.75, -5.0], [117.97, -4.47]]]]}, "2015-09-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -4.47], [118.5, -4.25], [118.75, -4.35], [119.0, -4.25], [119.53, -4.47], [119.75, -5.0], [119.65, -5.25], [119.75, -5.5], [119.53, -6.03], [119.0, -6.25], [118.75, -6.15], [118.5, -6.25], [117.97, -6.03], [117.75, -5.5], [117.85, -5.25], [117.75, -5.0], [117.97, -4.47]]]]}, "2015-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.47, -4.47], [119.0, -4.25], [119.53, -4.47], [119.75, -5.0], [119.54, -5.5], [119.75, -6.0], [119.53, -6.53], [119.0, -6.75], [118.75, -6.65], [118.5, -6.75], [117.97, -6.53], [117.75, -6.0], [117.97, -5.47], [118.38, -5.3], [118.25, -5.0], [118.47, -4.47]]]]}, "2015-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.47, -6.53], [117.25, -6.0], [117.47, -5.47], [118.0, -5.25], [118.25, -5.35], [118.32, -5.32], [118.35, -5.25], [118.25, -5.0], [118.47, -4.47], [119.0, -4.25], [119.53, -4.47], [119.75, -5.0], [119.65, -5.25], [119.68, -5.32], [120.03, -5.47], [120.25, -6.0], [120.03, -6.53], [119.5, -6.75], [119.25, -6.65], [119.0, -6.75], [118.75, -6.65], [118.5, -6.75], [118.25, -6.65], [118.0, -6.75], [117.47, -6.53]]]]}, "2015-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.25, -4.5], [109.47, -3.97], [109.82, -3.82], [109.97, -3.47], [110.5, -3.25], [111.03, -3.47], [111.18, -3.82], [111.25, -3.85], [111.5, -3.75], [111.75, -3.85], [112.0, -3.75], [112.5, -3.96], [113.0, -3.75], [113.25, -3.85], [113.5, -3.75], [114.0, -3.96], [114.5, -3.75], [115.03, -3.97], [115.18, -4.32], [115.25, -4.35], [115.5, -4.25], [115.75, -4.35], [116.0, -4.25], [116.25, -4.35], [116.5, -4.25], [116.75, -4.35], [117.0, -4.25], [117.25, -4.35], [117.5, -4.25], [118.03, -4.47], [118.18, -4.82], [118.25, -4.85], [118.5, -4.75], [118.75, -4.85], [119.0, -4.75], [119.53, -4.97], [119.68, -5.32], [120.03, -5.47], [120.25, -6.0], [120.03, -6.53], [119.5, -6.75], [119.25, -6.65], [119.0, -6.75], [118.75, -6.65], [118.5, -6.75], [118.25, -6.65], [118.0, -6.75], [117.75, -6.65], [117.68, -6.68], [117.65, -6.75], [117.75, -7.0], [117.53, -7.53], [117.0, -7.75], [116.75, -7.65], [116.5, -7.75], [116.25, -7.65], [116.0, -7.75], [115.47, -7.53], [115.25, -7.0], [115.35, -6.75], [115.32, -6.68], [114.97, -6.53], [114.82, -6.18], [114.75, -6.15], [114.5, -6.25], [113.97, -6.03], [113.82, -5.68], [113.5, -5.54], [113.0, -5.75], [112.75, -5.65], [112.5, -5.75], [112.25, -5.65], [112.0, -5.75], [111.75, -5.65], [111.68, -5.68], [111.53, -6.03], [111.0, -6.25], [110.75, -6.15], [110.5, -6.25], [109.97, -6.03], [109.75, -5.5], [109.85, -5.25], [109.82, -5.18], [109.47, -5.03], [109.25, -4.5]]]]}, "2015-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.25, -4.5], [109.47, -3.97], [109.82, -3.82], [109.97, -3.47], [110.5, -3.25], [111.03, -3.47], [111.18, -3.82], [111.25, -3.85], [111.5, -3.75], [111.75, -3.85], [112.0, -3.75], [112.5, -3.96], [113.0, -3.75], [113.25, -3.85], [113.5, -3.75], [114.0, -3.96], [114.5, -3.75], [115.03, -3.97], [115.18, -4.32], [115.25, -4.35], [115.5, -4.25], [115.75, -4.35], [116.0, -4.25], [116.25, -4.35], [116.5, -4.25], [116.75, -4.35], [117.0, -4.25], [117.25, -4.35], [117.5, -4.25], [118.03, -4.47], [118.18, -4.82], [118.25, -4.85], [118.5, -4.75], [118.75, -4.85], [119.0, -4.75], [119.53, -4.97], [119.68, -5.32], [120.03, -5.47], [120.25, -6.0], [120.03, -6.53], [119.5, -6.75], [119.25, -6.65], [119.0, -6.75], [118.75, -6.65], [118.5, -6.75], [118.25, -6.65], [118.0, -6.75], [117.75, -6.65], [117.68, -6.68], [117.65, -6.75], [117.75, -7.0], [117.53, -7.53], [117.0, -7.75], [116.75, -7.65], [116.5, -7.75], [116.25, -7.65], [116.0, -7.75], [115.47, -7.53], [115.25, -7.0], [115.35, -6.75], [115.32, -6.68], [114.97, -6.53], [114.82, -6.18], [114.75, -6.15], [114.5, -6.25], [113.97, -6.03], [113.82, -5.68], [113.5, -5.54], [113.0, -5.75], [112.75, -5.65], [112.5, -5.75], [112.25, -5.65], [112.0, -5.75], [111.75, -5.65], [111.68, -5.68], [111.53, -6.03], [111.0, -6.25], [110.75, -6.15], [110.5, -6.25], [109.97, -6.03], [109.75, -5.5], [109.85, -5.25], [109.82, -5.18], [109.47, -5.03], [109.25, -4.5]]]]}, "2015-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.25, -4.5], [109.47, -3.97], [109.82, -3.82], [109.97, -3.47], [110.5, -3.25], [111.03, -3.47], [111.18, -3.82], [111.25, -3.85], [111.5, -3.75], [111.75, -3.85], [112.0, -3.75], [112.5, -3.96], [113.0, -3.75], [113.25, -3.85], [113.5, -3.75], [114.0, -3.96], [114.5, -3.75], [115.03, -3.97], [115.18, -4.32], [115.25, -4.35], [115.5, -4.25], [115.75, -4.35], [116.0, -4.25], [116.25, -4.35], [116.5, -4.25], [116.75, -4.35], [117.0, -4.25], [117.25, -4.35], [117.5, -4.25], [118.03, -4.47], [118.18, -4.82], [118.25, -4.85], [118.5, -4.75], [118.75, -4.85], [119.0, -4.75], [119.53, -4.97], [119.75, -5.5], [119.65, -5.75], [119.75, -6.0], [119.53, -6.53], [119.0, -6.75], [118.75, -6.65], [118.5, -6.75], [118.25, -6.65], [118.0, -6.75], [117.75, -6.65], [117.68, -6.68], [117.65, -6.75], [117.75, -7.0], [117.53, -7.53], [117.0, -7.75], [116.75, -7.65], [116.5, -7.75], [116.25, -7.65], [116.0, -7.75], [115.47, -7.53], [115.25, -7.0], [115.35, -6.75], [115.32, -6.68], [114.97, -6.53], [114.82, -6.18], [114.75, -6.15], [114.5, -6.25], [113.97, -6.03], [113.82, -5.68], [113.5, -5.54], [113.0, -5.75], [112.75, -5.65], [112.5, -5.75], [112.25, -5.65], [112.0, -5.75], [111.75, -5.65], [111.68, -5.68], [111.53, -6.03], [111.0, -6.25], [110.75, -6.15], [110.5, -6.25], [109.97, -6.03], [109.75, -5.5], [109.85, -5.25], [109.82, -5.18], [109.47, -5.03], [109.25, -4.5]]]]}, "2015-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.47, -6.03], [118.25, -5.5], [118.47, -4.97], [119.0, -4.75], [119.53, -4.97], [119.75, -5.5], [119.53, -6.03], [119.0, -6.25], [118.47, -6.03]]], [[[110.5, -3.25], [111.03, -3.47], [111.18, -3.82], [111.53, -3.97], [111.68, -4.32], [111.75, -4.35], [112.0, -4.25], [112.53, -4.47], [112.75, -5.0], [112.53, -5.53], [112.0, -5.75], [111.75, -5.65], [111.5, -5.75], [110.97, -5.53], [110.82, -5.18], [110.75, -5.15], [110.5, -5.25], [109.97, -5.03], [109.75, -4.5], [109.85, -4.25], [109.75, -4.0], [109.97, -3.47], [110.5, -3.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.4633518828301249}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -0.9434390315149427}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.746350073824942, 26.012166692340372, 26.010028869954965, 25.700483151750916, 25.997828893169526, 25.954897719594896, 26.213815026895134, 25.88425707894885, 25.745152676412545, 25.850169089895076, 26.1263140741263, 25.922049256404932, 25.792930265926827, 26.15716696234358, 26.087975518602946, 26.10909864688398, 26.427822402400977]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.746350073824942, 26.012166692340372, 26.010028869954965, 25.428047837517795, 25.363173150516786, 25.37238223156129, 25.55459047794176, 25.296489536882007, 25.365475420777955, 25.566019605309577, 25.94630531808457, 25.627111991167226, 25.429692316275748, 25.242550633621534, 25.23720607765813, 25.38208465623319, 25.657699296065005]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.0285309281167656, -0.7491565342101012, -0.7461073195261179, -0.9666782671737147, -0.9565236560290415, -1.0235184640702002, -0.8711366379359983, -1.1185970953435245, -1.1408048992578075, -1.0428205345422044, -0.8740959554132672, -0.8594056824127089, -0.9212923195604029, -0.8829974457970172, -0.9631830257234947, -0.9626156769754941, -0.7551363833609912]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.0285309281167656, -0.7491565342101012, -0.7461073195261179, -1.011895562017628, -1.257861843410808, -1.28341573774469, -1.1648504337911731, -1.4277173649218184, -1.2741046361210238, -1.1906306337665455, -1.0339569666452917, -0.9039437535370212, -1.1010041679498954, -1.3065856892760621, -1.4633518828301249, -1.330943709345945, -1.1691820077469401]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.183352747080662, -1.6278651991053785, -1.6294442309427053, -1.660559152433, -1.809530516367476, -1.9754359862386477, -1.6557192570157266, -2.0288466030706456, -2.007944749877986, -1.8563645671857174, -1.5406938013896947, -1.485381884232184, -1.5415392432572768, -1.7059894730350758, -1.7969333423856317, -1.7611564711639567, -1.4514880277495301]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.183352747080662, -1.6278651991053785, -1.6294442309427053, -1.7447880513737375, -2.189184043175338, -2.3739947138395165, -2.048766073574561, -2.4513190705459813, -2.183628194779412, -2.072516165277135, -1.846086762092386, -1.5595386273047889, -1.8262846605423382, -2.099126172735379, -2.140345782219267, -2.1093181698780885, -1.6089066223399957]}}