Poas

* Where polygon colors overlap, the resulting color will not precisely match what is presented in the legend. It will generally be a combination of the colors. (eg. Red + Yellow = Orange, which would mean OBS and OBS + 6 Hours overlap)

Most Recent Advisory:

FVXX25 KNES 021230 CCA
VA ADVISORY -CORRECTION
DTG: 20250502/1230Z
VAAC: WASHINGTON
VOLCANO: POAS 345040
PSN: N1011 W08413
AREA: COSTA_RICA
SUMMIT ELEV: 8848 FT (2697 M)
ADVISORY NR: 2025/088
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. 
ERUPTION DETAILS: VA EMS CONTG
OBS VA DTG: 02/1150Z
OBS VA CLD: SFC/FL100 N1012 W08413 - N1011 W08413
- N1005 W08421 - N1008 W08423 - N1012 W08413 MOV
SW 10KT 
FCST VA CLD +6HR: 02/1800Z SFC/FL100 N1011 W08413
- N1010 W08413 - N1007 W08426 - N1011 W08426 -
N1011 W08413 
FCST VA CLD +12HR: 03/0000Z SFC/FL100 N1012
W08414 - N1011 W08413 - N1004 W08419 - N1007
W08422 - N1012 W08414 
FCST VA CLD +18HR: 03/0600Z SFC/FL100 N1011
W08413 - N1011 W08413 - N1005 W08422 - N1010
W08423 - N1011 W08413 
RMK: CORRECTION FOR WIND SPEED. VA EMS OBSD IN
WEBCAM BUT NOT IN SAT DUE TO MET CLDS. VA FL/DCT
BASED ON PREV ADVY AND MDL GUIDANCE. NWP MDL FCST
SW-LY AND WSW-LY WINDS THRU T+18HRS.  ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20250502/1830Z

Area: COSTA_RICA