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Volcanic Ash – 1000 UTC annotated satellite image Issued 1000 UTC on Thursday 28 February 2019 HIGH CONFIDENCE- Clear VA signal 28/0805 UTC to FL300 in mobile LIDAR LOW CONFIDENCE- Skies covered with low-level meteorological cloud in vicinity of summit, affording poor view of discernible ash. LOW CONFIDENCE- PIREP reported VA at FL320 at 28/0900 UTC. Ash not discernible on imagery. © Crown copyright Met Office
EXERCISE EXERCISE EXERCISE VOLCICE Volcanic Ash T+0 annotated satellite image Issued 1230 UTC on Fri 11 Sep 2020 HIGH CONFIDENCE ✄ PIREP report of VA plume visible to NE. HIGH CONFIDENCE ✁ IMO ground-based radar now measures VA plume 9-12km. x HIGH CONFIDENCE ✂ VA plume top more clearly discernible above meteorological cloud. © Crown copyright Met Office
Volcanic Ash – T+0 annotated satellite image Issued 1600 UTC on Fri 15 Jun 2018 HIGH CONFIDENCE- VA signal 15/1445 UTC over Grimsvotn to FL140 in groundbased radar in eastern Iceland. LOW CONFIDENCE- Skies covered with low-level meteorological cloud in vicinity of summit, affording poor view of discernible ash. LOW CONFIDENCE- PIREP reported VA at FL320 at 15/1500 UTC. Ash not discernible on imagery. © Crown copyright Met Office
cloud. HIGH CONFIDENCE- IMO radar confirms ongoing eruption. IMO radar and lidar observations confirm plume locations close to source. © Crown copyright Met Office
EXERCISE EXERCISE EXERCISE VOLCICE Volcanic Ash T+0 annotated satellite image Issued 1200 UTC on Fri 12 Jun 2020 12 LOW CONFIDENCE ✂ Meteorological cloud is inhibiting view of ash in satellite imagery and on IMO webcams HIGH CONFIDENCE ✁ IMO ground-based radar and other observations have determined eruption height reduced to 11km at 1100Z. HIGH CONFIDENCE ✄ Tephra fallout observed in NE Iceland report IMO © Crown copyright Met Office
Volcanic Ash – T+0 annotated satellite image Issued 1030 UTC on Fri 17 Aug 2018 HIGH CONFIDENCE- VA signal 17/0900 UTC over Bardarbunga to FL100 in ground-based radar in eastern Iceland. LOW CONFIDENCE- Skies covered with low-level meteorological cloud in vicinity of Bardarbunga, affording poor view of discernible ash. LOW CONFIDENCE- PIREP reported VA at FL100 at 17/0900 UTC. Ash not discernible on imagery. © Crown copyright Met Office
across Wales. HIGH CONFIDENCE- Clear VA signal in RGB Satellite image with limited amounts of meteorological cloud to obscure. © Crown copyright Met Office
Volcanic Ash – T+0 annotated satellite image Issued 0430 UTC on Fri 15 Aug 2014 TEST TEST TEST MEDIUM CONFIDENCE -Ash present in previous imagery prior to the advection of high cloud. HIGH CONFIDENCE- -Ash visible in satellite imagery. -Supported by pilot report 15/0430Z LOW CONFIDENCE- -Pilot report FL200 14/2300Z, unsupported by satellite imagery and MOCCA flight at FL200 15/0100Z. TEST TEST TEST © Crown copyright Met Office
output. LOW CONFIDENCE- Low confidence in ash in this ellipse due to obscuration by meteorological cloud. Ash suggested by model output only in this region. © Crown copyright Met Office
Volcanic Ash – T+0 annotated satellite image Issued 1000 UTC on Fri 10 May 2019 VOLCICE EXERCISE HIGH CONFIDENCE- Ash partially discernible on imagery due to some masking by meteorological cloud. However, IMO confirm ground based radar measures plume to 20km.. LOW CONFIDENCE- PIREP reported VA
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