Overall Green Volcanic eruption alert for Mauna Loa in United States from 28 Nov 2022 10:22 UTC to 04 Dec 2022 09:57 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Green alert Volcanic eruption for Mauna Loa

in United States

Volcano Ash Advisories for air traffic

Although Volcano Ash Advisories (VAAC) are not intended for assessing humanitarian impact, the observations of the plume are relevant for understanding local impact. The actual impact (like ash fall) depends on the type of eruption and is not known.

Click on the messages list to visualize on the right the detailed text.

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

28 Nov 10:22 28 Nov 10:46 28 Nov 12:29 28 Nov 15:50 28 Nov 17:02 28 Nov 23:01 29 Nov 04:51

04/12 09:57

29/11 04:51 2022-007 WASHINGTON

28/11 23:01 2022-006 WASHINGTON

28/11 17:02 2022-005 WASHINGTON

28/11 15:50 2022-004 WASHINGTON

28/11 12:29 2022-003 WASHINGTON

28/11 10:46 2022-002 WASHINGTON

28/11 10:22 2022-001 WASHINGTON

Volcanic Ash Advisory issued on 2022-12-04 at 09:57 UTC.

Key information extracted from original VAA message :

Original Message :

Volcanic Ash Advisory issued on 2022-11-29 at 04:51 UTC.

Key information extracted from original VAA message :

No volcanic ash observation among steam/gas.
No volcanic ash observation in multiple satellite imagery products. Emission from earlier now located over the pacific appears to be comprised of steam/gas. Plume of steam/gas observation near summit. A new adv will be sent out if any new volcanic ash emission are observation. Coverdale.

Original Message :

Received FVXX26 at 04:54 UTC, 29/11/22 from KNES
VA ADVISORY
DTG: 20221129/0451Z
VAAC: WASHINGTON
VOLCANO: MAUNA LOA 332020
PSN: N1928 W15536
AREA: HAWAIIAN.IS
SUMMIT ELEV: 13681 FT [4170 M]
ADVISORY NR: 2022/007
INFO SOURCE: GOES-17. HVO. WEBCAM. NWP MODELS.
VOLCAT.
ERUPTION DETAILS: NO VA OBS AMONG STEAM/GAS
OBS VA DTG: 29/0436Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 29/1030Z NO VA EXP
FCST VA CLD +12HR: 29/1630Z NO VA EXP
FCST VA CLD +18HR: 29/2230Z NO VA EXP
RMK: NO VA OBS IN MULT STLT IMAGERY PRODUCTS. EMS
FM EARLIER NOW LOCATED OVER THE EASTERN PACIFIC
OCEAN APPEARS TO BE COMPRISED OF STEAM/GAS. PLUME
OF STEAM/GAS OBS NEAR SUMMIT. A NEW ADV WILL BE
SENT OUT IF ANY NEW VA EMS ARE OBS. ...COVERDALE
NXT ADVISORY: NO FURTHER ADVISORIES

Volcanic Ash Advisory issued on 2022-11-28 at 23:01 UTC.

Key information extracted from original VAA message :

Prev volcanic ash and gas em continue move e.
Corrected for volcanic ash mvmnt. The remnant gas and light volcanic ash is observation continue move e, currently at about 450nm e from the summit in pacific ocean. The move will continue e ward based on nwp model wind. Zhu.

Original Message :

Received FVXX26 at 23:08 UTC, 28/11/22 from KNES
VA ADVISORY -CORRECTION
DTG: 20221128/2301Z
VAAC: WASHINGTON
VOLCANO: MAUNA LOA 332020
PSN: N1928 W15536
AREA: HAWAIIAN.IS
SUMMIT ELEV: 13681 FT [4170 M]
ADVISORY NR: 2022/006
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: PREV VA AND GAS EM CONT MOV E
OBS VA DTG: 28/2241Z
OBS VA CLD: SFC/FL450 N2217 W14623 - N2110 W14627 - N2136 W14919 - N2208 W14908 - N2217 W14623 MOV E 20KT
FCST VA CLD +6HR: 29/0430Z SFC/FL450 N2246 W14203 - N2246 W13832 - N2111 W13940 - N2130 W14148 - N2246 W14203
FCST VA CLD +12HR: 29/1030Z NO VA EXP
FCST VA CLD +18HR: 29/1630Z NO VA EXP
RMK: CORRECTED FOR VA MVMNT. THE REMNANT GAS AND
LGT VA IS OBS CONT MOV E, CURRENTLY AT ABOUT
450NM E FM THE SUMMIT IN PACIFIC OCEAN. THE MOV
WILL CONT E WARD BASED ON NWP MDL WND. ...ZHU
NXT ADVISORY: WILL BE ISSUED BY 20221129/0500Z

Volcanic Ash Advisory issued on 2022-11-28 at 17:02 UTC.

Key information extracted from original VAA message :

Volcanic ash clouds mixed with gas obsd.
After reevaluation, likely more ash mixed with gas plumes moved north east from summit. Volcanic ash clouds expanded e and north east at flight level 450 (13500m) model forecast continuous little change movement through. Zeng.

Original Message :

Received FVXX26 at 17:05 UTC, 28/11/22 from KNES
VA ADVISORY
DTG: 20221128/1702Z
VAAC: WASHINGTON
VOLCANO: MAUNA LOA 332020
PSN: N1928 W15536
AREA: HAWAIIAN.IS
SUMMIT ELEV: 13681 FT [4170 M]
ADVISORY NR: 2022/005
INFO SOURCE: GOES-16. NWP MODELS. HYSPLIT. ASH3D.
ERUPTION DETAILS: VA CLDS MIXED WITH GAS OBSD
OBS VA DTG: 28/1620Z
OBS VA CLD: SFC/FL450 N2218 W15237 - N2152 W15225 - N2125 W15228 - N2113 W15149 - N2134 W15112 - N2152 W15058 - N2145 W15024 - N2106 W15020 - N2026 W15110 - N2035 W15218 - N2112 W15244 - N2147 W15254 - N2143 W15333 - N2041 W15411 - N2052 W15430 - N2149 W15420 - N2203 W15407 - N2208 W15347 - N2215 W15314 - N2218 W15237 MOV NE 30KT
FCST VA CLD +6HR: 28/2230Z SFC/FL450 N2423 W15225 - N2410 W15134 - N2257 W15112 - N2219 W15016 - N2240 W14931 - N2230 W14839 - N2143 W14851 - N2123 W14942 - N2131 W15050 - N2228 W15113 - N2334 W15154 - N2316 W15300 - N2201 W15403 - N2115 W15434 - N2127 W15445 - N2238 W15434 - N2350 W15335 - N2423 W15225
FCST VA CLD +12HR: 29/0430Z NO VA EXP
FCST VA CLD +18HR: 29/1030Z NO VA EXP
RMK: AFTER REEVALUATION, LKLY MORE ASH MIXED WITH
GAS PLUMES MOVD NE FM SUMMIT. VA CLDS EXPANDED E
AND NE AT FL450. MDL FCST CONS LTLCG MOVEMENT
THRU T+6HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20221128/2300Z

Volcanic Ash Advisory issued on 2022-11-28 at 15:50 UTC.

Key information extracted from original VAA message :

Light volcanic ash remnant obsd.
Light volcanic ash plume mixed with gas obsd in satellite appx 250nmi north east of summit. Gas plumes moving north east. Nwp model forecast through t+0hr. Zeng.

Original Message :

Received FVXX26 at 15:52 UTC, 28/11/22 from KNES
VA ADVISORY
DTG: 20221128/1550Z
VAAC: WASHINGTON
VOLCANO: MAUNA LOA 332020
PSN: N1928 W15536
AREA: HAWAIIAN.IS
SUMMIT ELEV: 13681 FT [4170 M]
ADVISORY NR: 2022/004
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: LGT VA REMNANT OBSD
OBS VA DTG: 28/1530Z
OBS VA CLD: SFC/FL400 N2132 W15138 - N2119 W15107 - N2056 W15119 - N2046 W15157 - N2055 W15207 - N2109 W15203 - N2132 W15138 MOV NE 40KT
FCST VA CLD +6HR: 28/2130Z NO VA EXP
FCST VA CLD +12HR: 29/0330Z NO VA EXP
FCST VA CLD +18HR: 29/0930Z NO VA EXP
RMK: LGT VA PLUME MIXED WITH GAS OBSD IN SAT APPX
250NMI NE OF SUMMIT. GAS PLUMES MOVG NE. NWP MDL
FCST THRU T+0HR. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20221128/2145Z

Volcanic Ash Advisory issued on 2022-11-28 at 12:29 UTC.

Key information extracted from original VAA message :

Strong volcanic ash em obsd.
Strong volcanic ash emission obsd in satellite. Volcanic ash clouds extend appx 100nmi north east from summit. Usgs and nwp model forecast north east winds through t+18hrs. Zeng.

Original Message :

Received FVXX26 at 12:32 UTC, 28/11/22 from KNES
VA ADVISORY
DTG: 20221128/1229Z
VAAC: WASHINGTON
VOLCANO: MAUNA LOA 332020
PSN: N1928 W15536
AREA: HAWAIIAN.IS
SUMMIT ELEV: 13681 FT [4170 M]
ADVISORY NR: 2022/003
INFO SOURCE: GOES-17. HVO. NWP MODELS. ASH3D.
VOLCAT.
ERUPTION DETAILS: STRONG VA EM OBSD
OBS VA DTG: 28/1210Z
OBS VA CLD: SFC/FL400 N2034 W15404 - N2018 W15347 - N1959 W15401 - N1941 W15513 - N2017 W15532 - N2029 W15453 - N2020 W15426 - N2034 W15404 MOV NE 25KT
FCST VA CLD +6HR: 28/1800Z SFC/FL400 N2254 W15232 - N2107 W15049 - N2008 W15213 - N2152 W15346 - N2040 W15534 - N2104 W15552 - N2250 W15436 - N2254 W15232 SFC/FL400 N1949 W15539 - N1926 W15528 - N1918 W15538 - N1936 W15553 - N1949 W15539
FCST VA CLD +12HR: 29/0000Z SFC/FL400 N2631 W15025 - N2402 W14558 - N2231 W14812 - N2413 W14923 - N2522 W15127 - N2153 W15518 - N2208 W15538 - N2404 W15457 - N2605 W15302 - N2631 W15025 SFC/FL400 N1941 W15539 - N1933 W15526 - N1917 W15532 - N1918 W15546 - N1926 W15542 - N1941 W15539
FCST VA CLD +18HR: 29/0600Z SFC/FL400 N2940 W14944 - N2808 W14508 - N2438 W14423 - N2407 W14642 - N2731 W14739 - N2822 W15012 - N2514 W15502 - N2540 W15526 - N2849 W15344 - N2940 W14944
RMK: STRONG VA EMS OBSD IN SAT. VA CLDS EXTD APPX
100NMI NE FM SUMMIT. USGS AND NWP MDL FCST NE
WINDS THRU T+18HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20221128/1830Z

Volcanic Ash Advisory issued on 2022-11-28 at 10:46 UTC.

Key information extracted from original VAA message :

Eruption repeted.
Large eruption observation at summit from satellite and webcam. Observatory and weather forecast office repeted that volcanic ash is likely mixed into large plume moving north east toward hilo airport. Model winds exp to north east through t+6 hours. Brown.

Original Message :

Received FVXX26 at 10:48 UTC, 28/11/22 from KNES
VA ADVISORY
DTG: 20221128/1046Z
VAAC: WASHINGTON
VOLCANO: MAUNA LOA 332020
PSN: N1928 W15536
AREA: HAWAIIAN.IS
SUMMIT ELEV: 13681 FT [4170 M]
ADVISORY NR: 2022/002
INFO SOURCE: GOES-17. HONOLULU MWO. WEBCAM. NWP
MODELS.
ERUPTION DETAILS: ERUPTION RPTD
OBS VA DTG: 28/1000Z
OBS VA CLD: SFC/FL300 N2002 W15506 - N1948 W15450 - N1925 W15538 - N1928 W15541 - N2002 W15506 MOV NE 20KT
FCST VA CLD +6HR: 28/1600Z SFC/FL300 N2016 W15500 - N1953 W15435 - N1925 W15537 - N1928 W15541 - N2016 W15500
FCST VA CLD +12HR: 28/2200Z NO VA EXP
FCST VA CLD +18HR: 29/0400Z NO VA EXP
RMK: LRG ERUPTION OBS AT SUMMIT FM STLT AND
WEBCAM. OBSERVATORY AND WFO RPTD THAT VA IS
LIKELY MIXED INTO LRG PLUME MV NE TWD HILO
AIRPORT. MDL WINDS EXP TO REMAIN NE THRU T+6 HRS.
...BROWN
NXT ADVISORY: WILL BE ISSUED BY 20221128/1645Z

Volcanic Ash Advisory issued on 2022-11-28 at 10:22 UTC.

Key information extracted from original VAA message :

Volcanic ash emission observation.
We have received information suggesting a possible volcanic ash emission. We will gather further information and issue a full advisory as soon as possible.

Original Message :

Received FVXX26 at 10:28 UTC, 28/11/22 from KNES
VA ADVISORY
DTG: 20221128/1022Z
VAAC: WASHINGTON
VOLCANO: MAUNA LOA 332020
PSN: N1928 W15536
AREA: HAWAIIAN.IS
SUMMIT ELEV: 13681 FT [4170 M]
ADVISORY NR: 2022/001
INFO SOURCE: GOES-17. HONOLULU MWO. WEBCAM. NWP
MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 28/1000Z
OBS VA CLD: SFC/FL170 N1959 W15513 - N1944 W15458 - N1927 W15536 - N1929 W15538 - N1959 W15513 MOV NE 20KT
FCST VA CLD +6HR: NOT AVBL
FCST VA CLD +12HR: NOT AVBL
FCST VA CLD +18HR: NOT AVBL
RMK: WE HAVE RECEIVED INFORMATION SUGGESTING A
POSSIBLE VA EMISSION. WE WILL GATHER FURTHER
INFORMATION AND ISSUE A FULL ADVISORY AS SOON AS
POSSIBLE.
NXT ADVISORY: AS SOON AS POSSIBLE

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