Skip to main content
  • Met Office
  • Weather & climate
  • Research programmes
  • Services
  • About us
  • Careers
chevron Back
Weather & climate
Everything you need to know about the forecast, and making the most of the weather.
  • Find a forecast
  • Warnings & advice
    Warnings & advice
    • UK weather warnings
    • UK Storm Centre
    • Seasonal advice
  • Maps & charts
    Maps & charts
    • UK forecast
    • UK weather map
    • Cloud cover map
    • Precipitation map
    • Lightning map
    • Rainfall map
    • Temperature map
    • Wind map
    • Wind gust map
    • Surface pressure charts
    • All countries
  • Climate
    Climate
    • Climate explained
    • What is climate change?
    • Causes of climate change
    • Effects of climate change
    • Climate change questions
    • UK climate
    • Climate science
    • Organisations and reports
    • UK daily weather extremes
  • Specialist forecasts
    Specialist forecasts
    • Coast and Sea
    • Mountain
    • Space Weather
  • Learn about...
    Learn about...
    • Past UK weather events
    • Weather
    • How forecasts are made
    • Met Office for Schools
Research programmes
The latest breakthroughs, research and news from the Met Office.
  • Our approach
    Our approach
    • Overview by our Chief Scientist
    • How Met Office science is reviewed
    • Collaboration
    • Modelling systems
    • Monitoring
    • Our research staff
  • Weather science
    Weather science
    • Atmospheric dispersion and air quality
    • Space Applications and Nowcasting
    • Ensemble forecasting
    • Observations research and development
    • Ocean forecasting
    • Research to operations
    • Satellite and Surface Assimilation
    • National capability weather intelligence
    • Weather science IT
  • Climate research
    Climate research
    • Climate, cryosphere and oceans
    • Climate impacts
    • Climate monitoring and attribution
    • Earth system science
    • Monthly to decadal prediction
    • UK climate maps and data
    • Understanding climate change
  • Applied science
    Applied science
    • Aviation applications
    • Climate information for international development
    • Climate security
    • Climate services
    • Defence applications
    • Post-processing applications
    • Science for Impacts, Resilience and Adaptation (SIRA)
    • Science health strategy
  • Foundation science
    Foundation science
    • Atmospheric processes and parametrizations
    • Dynamic research
    • Global modelling
    • Observation-based research
    • Regional model evaluation and development
  • Library
Services
Support your business with world-leading science and technology.
  • Government
    Government
    • Defence and security
    • Devolved administrations
    • Environmental Hazard and Resilience Services
    • International development
  • Transport
    Transport
    • Aviation commercial
    • Aviation regulated
    • CAV
    • Marine
    • Rail
    • Road
  • Business & industry
    Business & industry
    • Energy
    • Event management
    • Media
    • Water
  • Data
    Data
    • Weather and climate data
  • Research & consulting
    Research & consulting
    • Access a meteorologist
    • Climate service
    • International programmes
    • Weather and climate consultancy
  • Insights
About us
Who we are, what we do and organisational news.
  • Who we are
    Who we are
    • Our people
    • Our values
    • Our history
    • Accuracy
    • Innovation
    • Impact
  • How we are run
    How we are run
    • The Met Office Board
    • Our governance structure
    • Public Weather Service
    • Our Chief Executive
    • The Executive Team
    • Non-Executive Directors
  • News & media
    News & media
    • Media centre
    • Campaigns
    • Contact the Press Office
    • Weather & climate news
    • Corporate news
    • Official news blog
  • Contact us
    Contact us
    • Send us your feedback
    • Ways to contact us
    • How to find our offices
    • Information for visitors
Careers

  • Met Office College
  • National Meteorological Library & Archive
  • Weather Observations Website (WOW)
  • Download on the App Store Get it on Google Play
  • Government
  • Transport
  • Business & industry
  • Data
  • Research & consulting
  • Insights

Government

  • Defence and security
  • Devolved administrations
  • Environmental Hazard and Resilience Services
  • International development

Transport

  • Aviation commercial
  • Aviation regulated
  • CAV
  • Marine
  • Rail
  • Road

Business & industry

  • Energy
  • Event management
  • Media
  • Water

Data

  • Weather and climate data

Research & consulting

  • Access a meteorologist
  • Climate service
  • International programmes
  • Weather and climate consultancy

Insights

    Volcanic Ash

    London VAAC: Volcanic ash advisories and graphics - detail


    SNAEFELLSJOKULL 370010 at 06:00 (UTC) on Tue 21 Nov 2023

    • Volcanic Ash Advisory (VAA)

    • Volcanic Ash Graphic (VAG)

    VA ADVISORY
    STATUS: EXER
    DTG: 20231121/0600Z
    VAAC: LONDON
    VOLCANO: SNAEFELLSJOKULL 370010
    PSN: N6448 W02347
    AREA: ICELAND
    SUMMIT ELEV: 1446M
    ADVISORY NR: 2023/002
    INFO SOURCE: ICELAND
    AVIATION COLOUR CODE: RED
    ERUPTION DETAILS: 17KM PLUME
    OBS VA DTG: 21/0600Z
    OBS VA CLD: SFC/FL200 N4403 W01202 - N6412 W03119 - N7749 W07403 - N8501 W02050 - N5459 E00432 - N4339 E00025 - N4403 W01202 MOV SE 30KT FL200/350 N8020 W07915 - N8249 W02648 - N7609 E00521 - N5304 E00558 - N4208 W00208 - N4557 W01040 - N6537 W02635 - N8020 W07915 MOV SE 40KT FL350/550 N4642 W00235 - N6443 W02430 - N8042 E00326 - N8333 E03220 - N4710 E00010 - N4642 W00235 MOV E 60KT
    FCST VA CLD +6 HR: 21/1200Z SFC/FL200 N4153 W00923 - N7809 W07706 - N8954 W00426 - N5513 E00701 - N4144 E00336 - N4153 W00923 FL200/350 N3948 W00156 - N4318 W00929 - N5813 W01336 - N7340 W03851 - N7749 W07818 - N8552 W03151 - N7848 E00638 - N4536 E00834 - N3948 W00156 FL350/550 N6442 W02428 - N8359 E00543 - N8550 E04424 - N4619 E00436 - N4338 E00018 - N6442 W02428
    FCST VA CLD +12 HR: 21/1800Z SFC/FL200 N3959 W00750 - N8439 W09217 - N8441 W00148 - N4521 E01054 - N3836 E00501 - N3959 W00750 FL200/350 N7651 W07652 - N8837 W05029 - N7937 E01039 - N4356 E01023 - N3520 W00248 - N5707 W01001 - N6336 W02301 - N7651 W07652 FL350/550 N4153 E00028 - N6441 W02427 - N8542 W00145 - N8815 E05704 - N4354 E00608 - N4153 E00028
    FCST VA CLD +18 HR: 22/0000Z SFC/FL200 N3442 W00221 - N7537 W07844 - N8439 W06926 - N8931 E01833 - N3834 E01030 - N3442 W00221 FL200/350 N7521 W07726 - N8552 W07148 - N8700 W01817 - N8127 E03325 - N3308 E00437 - N3509 W00136 - N5606 W00706 - N7521 W07726 FL350/550 N3905 E00313 - N6441 W02427 - N8937 W01632 - N8834 E07246 - N4054 E00628 - N3905 E00313
    RMK: VOLCEX23 EXERCISE
    NXT ADVISORY: NO LATER THAN 20231121/1200Z =
    Volcanic ash graphic

    Help us improve our website

    Take our short survey
    Met Office
    Met Office College National Meteorological Library & Archive Weather Observations Website Voluntary Climate Network (VCN)
    Weather & Climate Find a forecast Warnings & advice Maps & charts Climate Specialist forecasts Learn about...
    Research programmes Our approach Weather science Climate research Applied science Foundation science Library
    Services Government Transport Business & industry Data Research & consulting Insights Advertising
    About the Met Office Who we are Commercial Press Office Careers Partnerships Contact us Subscribe to email alerts
    Policies Accessibility Cookies Legal Privacy RSS
    Get it on Google Play Download on the App Store
    © Crown Copyright