Volcanic Ash information (advisory, graphics, concentration chart) for JEBEL MARRA. Volcano official number 225030. Summit elevation of 3042 in meters.

Abstract:
Advisory messages and graphics for presence and extent of volcanic ash cloud observed/estimated and evolutions for 18 hours. Charts and CSV files of volcanic ash concentrations (0,2 mg/m3, 2mg/m3 et 4mg/m3) on 3 fixed layers (SFC-FL200, FL200-350, FL350-550) from model outputs with 6h steps up to 18 h. Issued every 6 hours by VAAC Toulouse during an eruption or the presence of a volcanic ash cloud in his area of responsibility. Analysis based on satellite imagery, forecast supported by MeteoFrance atmospheric dispersion model, expertised by a forecaster. The dimension of the covered area depends on the event. The area of responsibility of the VAAC Toulouse covers: Santa Maria Oceanic FIR, AFI Region down to the South Pole, EUR Region (except for Finland, Kobenhavn, London, Norway, Scottish, Shannon and Sweden FIRs) West of E09000 and South of N7100, MID Region, and ASIA Region West of E09000 North of N2000 (plus Mumbai, Chennai (West of E08200) and Male FIRs)