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<MeteorologicalBulletin gml:id="uuid.b148616c-01ef-4263-9ed5-201d8c8d5875" xmlns="http://def.wmo.int/collect/2014" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://def.wmo.int/collect/2014 http://schemas.wmo.int/collect/1.2/collect.xsd"><meteorologicalInformation><VolcanicAshAdvisory gml:id="uuid.fe6f9df8-ebc6-49cf-8104-25620c750653" permissibleUsage="OPERATIONAL" reportStatus="NORMAL" xmlns="http://icao.int/iwxxm/3.0" xmlns:aixm="http://www.aixm.aero/schema/5.1.1" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://icao.int/iwxxm/3.0 http://schemas.wmo.int/iwxxm/3.0/iwxxm.xsd"><issueTime><gml:TimeInstant gml:id="uuid.4657cc71-efb0-45da-b200-9c134905af04"><gml:timePosition>2026-04-23T19:10:00Z</gml:timePosition></gml:TimeInstant></issueTime><issuingVolcanicAshAdvisoryCentre><Unit gml:id="uuid.d16037c6-6fce-42b4-9c75-6ba67c7fd0de" xmlns="http://www.aixm.aero/schema/5.1.1"><timeSlice><UnitTimeSlice gml:id="uuid.2b874312-136c-41fb-9364-f8f2762f0625"><gml:validTime /><interpretation>SNAPSHOT</interpretation><name>WASHINGTON</name><type>OTHER:VAAC</type></UnitTimeSlice></timeSlice></Unit></issuingVolcanicAshAdvisoryCentre><volcano><EruptingVolcano gml:id="uuid.37ba5f39-bfbc-48a6-85aa-1639f9f228a0" xmlns="http://def.wmo.int/metce/2013"><name>KILAUEA 332010</name><position><gml:Point axisLabels="Lat Long" gml:id="uuid.4c21e45e-82aa-42b4-9c20-03553acfeff6" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:pos>19.417 -155.283</gml:pos></gml:Point></position><eruptionDate>2026-04-23T19:10:00Z</eruptionDate></EruptingVolcano></volcano><stateOrRegion>HAWAIIAN.IS</stateOrRegion><summitElevation uom="[ft_i]">4009</summitElevation><advisoryNumber>2026/018</advisoryNumber><informationSource>GOES-18. VONA. WEBCAM. NWP MODELS.</informationSource><eruptionDetails>ERUPTION CONTINUES</eruptionDetails><observation><VolcanicAshObservedOrEstimatedConditions gml:id="uuid.57ce67cf-79fb-4c82-9389-dc7a6d5f5fd9" isEstimated="false" status="IDENTIFIABLE"><phenomenonTime><gml:TimeInstant gml:id="uuid.0c878bb9-dc89-4c5d-9705-afba211440c7"><gml:timePosition>2026-04-23T19:01:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudObservedOrEstimated gml:id="uuid.d16fc438-d6c6-4088-aeef-41578eb567d7"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.9c331265-ed6b-478e-8bfd-b80cc8df22d3"><aixm:upperLimit uom="FL">150</aixm:upperLimit><aixm:upperLimitReference>STD</aixm:upperLimitReference><aixm:lowerLimit>GND</aixm:lowerLimit><aixm:lowerLimitReference>SFC</aixm:lowerLimitReference><aixm:horizontalProjection><aixm:Surface axisLabels="Lat Long" gml:id="uuid.e3cf93be-e943-4df1-bb76-38ea791db859" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="7">19.433 -155.283 18.967 -155.833 18.383 -156.217 17.867 -156.017 18.267 -155.567 19.400 -155.267 19.433 -155.283</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent><directionOfMotion uom="deg">225</directionOfMotion><speedOfMotion uom="[kn_i]">15</speedOfMotion></VolcanicAshCloudObservedOrEstimated></ashCloud></VolcanicAshObservedOrEstimatedConditions></observation><forecast><VolcanicAshForecastConditions gml:id="uuid.1943dbe7-4b74-4c08-943d-f3fc4ac38717" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.bcc2820e-a7cd-4832-89df-21802b843437"><gml:timePosition>2026-04-24T01:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast 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gml:id="uuid.58479b51-f2c3-4801-ae8c-c80d04216f5c" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.46923548-9b7f-4377-9a07-5044a29a82db"><gml:timePosition>2026-04-24T07:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.326568b4-650e-4e88-9547-5d4718b009ec"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.74aae163-e8c1-4c0b-b0c2-26845e1dfd95"><aixm:upperLimit uom="FL">150</aixm:upperLimit><aixm:upperLimitReference>STD</aixm:upperLimitReference><aixm:lowerLimit>GND</aixm:lowerLimit><aixm:lowerLimitReference>SFC</aixm:lowerLimitReference><aixm:horizontalProjection><aixm:Surface axisLabels="Lat Long" gml:id="uuid.14f58c43-bb9f-4245-91e7-f59ea67249c2" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">19.417 -155.317 17.783 -155.917 17.667 -155.233 19.400 -155.267 19.417 -155.317</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><forecast><VolcanicAshForecastConditions gml:id="uuid.725eddaf-e4cd-4ec8-a6dc-2615a911a1fa" status="PROVIDED"><phenomenonTime><gml:TimeInstant gml:id="uuid.c479bf59-48ae-4bef-81c5-210853d5e39b"><gml:timePosition>2026-04-24T13:00:00Z</gml:timePosition></gml:TimeInstant></phenomenonTime><ashCloud><VolcanicAshCloudForecast gml:id="uuid.726bc3f4-f59a-4761-8d12-366e93ddbe5d"><ashCloudExtent><aixm:AirspaceVolume gml:id="uuid.5c7a55d0-415f-4dd6-98d7-44b7382d9bde"><aixm:upperLimit uom="FL">150</aixm:upperLimit><aixm:upperLimitReference>STD</aixm:upperLimitReference><aixm:lowerLimit>GND</aixm:lowerLimit><aixm:lowerLimitReference>SFC</aixm:lowerLimitReference><aixm:horizontalProjection><aixm:Surface axisLabels="Lat Long" gml:id="uuid.e0784375-f904-494f-9fb0-fb6f146d41f6" srsDimension="2" srsName="http://www.opengis.net/def/crs/EPSG/0/4326"><gml:patches><gml:PolygonPatch><gml:exterior><gml:LinearRing><gml:posList count="5">19.433 -155.300 17.667 -155.183 17.800 -154.583 19.400 -155.267 19.433 -155.300</gml:posList></gml:LinearRing></gml:exterior></gml:PolygonPatch></gml:patches></aixm:Surface></aixm:horizontalProjection></aixm:AirspaceVolume></ashCloudExtent></VolcanicAshCloudForecast></ashCloud></VolcanicAshForecastConditions></forecast><remarks>GAS PLUME WITH PSBL LGT VA OBS IN STLT IMG EXT APRX 100NM SW FM SUMMIT. LAVA FOUNTAINING ONGOING. SE MVMT EXP BY T+18. FCST BASED ON VONA, STLT AND MDL WINDS. ...GATLING</remarks><nextAdvisoryTime><gml:TimeInstant gml:id="uuid.d7b6842f-2553-4101-89a9-615c95ffdb57"><gml:timePosition indeterminatePosition="before">2026-04-24T01:15:00Z</gml:timePosition></gml:TimeInstant></nextAdvisoryTime></VolcanicAshAdvisory></meteorologicalInformation><bulletinIdentifier>A_LUXX22KNES231910_C_KNES_20260423191200.xml</bulletinIdentifier></MeteorologicalBulletin>