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Volcanic Ash Advisory
From SKYbrary Wiki
| Article Information | ||
|---|---|---|
| Category: | Weather | 
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| Content source: | SKYbrary | 
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| Content control: | EUROCONTROL | 
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| WX | |
|---|---|
| Tag(s) | Volcanic Ash |
(VAA)
Contents |
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
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