Volcanic Ash Advisory
Volcanic Ash Advisory
Definition
Volcanic Ash Advisories are issued by Volcanic Ash Advisory Centres (VAAC) when there is a volcanic eruption.
Example VAA
Example of a Volcanic Ash Advisory issued by Washington VAAC, 20 Nov 07:
FVXX22 KNES 201447 VA ADVISORY DTG: 20071120/1447Z VAAC: WASHINGTON VOLCANO: FUEGO 1402-09 PSN: N1428 W09052 AREA: GUATEMALA SUMMIT ELEV: 12346 FT (3763 M) ADVISORY NR: 2007/044 INFO SOURCE: GOES-12. GFS WINDS. INSIVUMEH. ERUPTION DETAILS: ASH EMISSIONS OBS VA DTG: 20/1432Z OBS VA CLD: SFC/FL150 N1429 W09053 - N1427 W09050 - N1417 W09117 - N1425 W09120 - N1429 W09053 MOVING SW 20 KNOTS FCST VA CLD +6HR: 20/2030Z SFC/FL150 N1429 W09052 - N1426 W09049 - N1417 W09117 - N1425 W09120 - N1429 W09052 FCST VA CLD +12HR: 21/0230Z NO ASH EXP. FCST VA CLD +18HR: 21/0830Z NO ASH EXP. RMK: ASH CAN BE SEEN IN MORNING SATELLITE IMAGERY. INSIVUMEH CONFIRMS ASH TO FL150. ...SPAMPATA NXT ADVISORY: WILL BE ISSUED BY 20071120/2045Z NNNN
Related Articles
- Contingency Planning: Volcanic Ash
- Pyrocumulus
- Volcanic Ash
- Volcanic Ash Advisory Centre (VAAC)
- Volcanic Ash: Guidance for Controllers
- Volcanic Ash: Guidance for Flight Crews
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