FVXX22 KNES 311319
VA ADVISORY
DTG: 20210331/1319Z

VAAC: WASHINGTON

VOLCANO: PACAYA 342110
PSN: N1422 W09035

AREA: GUATEMALA

SUMMIT ELEV: 8373 FT (2552 M)

ADVISORY NR: 2021/169

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: VA EMS CONT

OBS VA DTG: 31/1250Z

OBS VA CLD: SFC/FL100 N1423 W09036 - N1423 W09035
- N1339 W09044 - N1342 W09057 - N1423 W09036 MOV
SW 10KT 

FCST VA CLD +6HR: 31/1900Z SFC/FL100 N1423 W09036
- N1423 W09035 - N1320 W09111 - N1326 W09123 -
N1423 W09036 

FCST VA CLD +12HR: 01/0100Z SFC/FL100 N1423
W09035 - N1423 W09035 - N1356 W09057 - N1401
W09105 - N1423 W09035 

FCST VA CLD +18HR: 01/0700Z SFC/FL100 N1424
W09035 - N1423 W09035 - N1356 W09058 - N1401
W09106 - N1424 W09035 

RMK: UPDATED VAA EARLY DUE TO VA SPREADING MUCH
FURTHER FM SUMMIT THAN FCST. WEEL-DEFINED MDTLY
DENSE VA PLUME DETECTED ON HIRS VIS SLTT MOVG
APROX  75 NM SW OF SUMMIT.VA SHUD SPREAD TO AT
LEAST 100 NM FM SUMMT NXT 6 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210331/1915Z