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                           VOLCANIC ASH MESSAGES

T1T2: WV
A1A2: HO

Date: 2026-04-28

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Message File: T_WVHO31MHTG280015_C_KWBC_20260428001821_14615022-8118.txt

****0000000118****
WVHO31 MHTG 280015

MHTG SIGMET A1 VALID 280010/280012 MHTG-
MHCC CENTRAL AMERICAN FIR CNL SIGMET A4 271810/280010=

########################### END OF MESSAGE SET ############################

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Message File: T_WVHO31MHTG280405_C_KWBC_20260428040425_14615022-8195.txt

****0000000332****
WVHO31 MHTG 280405

MHTG SIGMET E1 VALID 280405/281005 MHTG-
MHCC CENTRAL AMERICAN FIR VA FUEGO PSN N1428 W09052
VA CLD OBS AT 0320Z SFC/FL140 N1429 W09053 - N1427 W09052
- N1419 W09058 - N1425 W09103 - N1429 W09053 MOV SW 20KT
FCST 0930Z VA CLD SFC/FL140 N1429 W09052 - N1428 W09052
- N1410 W09106 - N1417 W09113 - N1429 W09052=

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Message File: T_WVHO31MHTG280720_C_KWBC_20260428100608_26083604-8321.txt

****0000000339****
WVHO31 MHTG 280720

MHTG SIGMET A1 VALID 280720/281320 MHTG-
MHCC CENTRAL AMERICAN FIR VA SANTA MARIA PSN N1445 W09133 
VA CLD OBS AT 0650Z SFC/FL140 N1447 W09132 - N1445 W09131
- N1436 W09142 - N1443 W09147 - N1447 W09132 MOV SW 20KT
FCST 1300Z VA CLD SFC/FL140 N1446 W09132 - N1444 W09131
- N1428 W09153 - N1438 W09159 - N1446 W09132=

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Message File: T_WVHO31MHTG281005_C_KWBC_20260428100808_26083604-8323.txt

****0000000332****
WVHO31 MHTG 281005

MHTG SIGMET E2 VALID 281005/281605 MHTG-
MHCC CENTRAL AMERICAN FIR VA FUEGO PSN N1428 W09052
VA CLD OBS AT 0900Z SFC/FL140 N1429 W09052 - N1428 W09052
- N1417 W09102 - N1427 W09107 - N1429 W09052 MOV SW 20KT
FCST 1500Z VA CLD SFC/FL140 N1429 W09052 - N1427 W09052
- N1411 W09114 - N1423 W09119 - N1429 W09052=

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Message File: T_WVHO31MHTG281130_C_KWBC_20260428115634_14615022-8375.txt

****0000000398****
WVHO31 MHTG 281130

MHTG SIGMET A2 VALID 281130/281730 MHTG-
MHCC CENTRAL AMERICAN FIR VA SANTA MARIA PSN N1445 W09133 
VA CLD OBS AT 1030Z SFC/FL160 N1448 W09149 - N1447 W09132
- N1444 W09132 - N1438 W09134 - N1437 W09149 - N1435 W09149
- N1432 W09156 - N1438 W09202 - N1448 W09149 MOV W 20KT
FCST 1630Z VA CLD SFC/FL160 N1455 W09327 - N1447 W09133
- N1444 W09131 - N1359 W09317 - N1455 W09327=

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Message File: T_WVHO31MHTG281450_C_KWBC_20260428145413_26083604-8439.txt

****0000000595****
WVHO31 MHTG 281450

MHTG SIGMET A3 VALID 281450/282050 MHTG-
MHCC CENTRAL AMERICAN FIR VA SANTA MARIA PSN N1445 W09133 
VA CLD OBS AT 1410Z SFC/FL160 N1456 W09216 - N1446 W09132
- N1443 W09134 - N1438 W09206 - N1419 W09227 -
N1423 W09242 - N1456 W09216 MOV W 20KT SFC/FL190
N1447 W09132 - N1445 W09132 - N1436 W09136 -
N1431 W09159 - N1417 W09213 - N1425 W09223 -
N1445 W09153 - N1447 W09132 MOV SW 30KT 
FCST 2000Z VA CLD SFC/FL160 N1508 W09246 - N1447 W09133
 - N1445 W09132 - N1431 W09249 -N1508 W09246
 SFC/FL190 N1447 W09133 - N1444 W09131 - N1349 W09302
 - N1424 W09319 - N1447 W09133= 

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Message File: T_WVHO31MHTG281600_C_KWBC_20260428160337_14615022-8451.txt

****0000000333****
WVHO31 MHTG 281600

MHTG SIGMET E3 VALID 281600/282200 MHTG-
MHCC CENTRAL AMERICAN FIR VA FUEGO PSN N1428 W09052
VA CLD OBS AT 1440Z SFC/FL140 N1429 W09052 - N1427 W09051
- N1349 W09152 - N1401 W09201 - N1429 W09052 MOV SW 20KT 
FCST 2030Z VA CLD SFC/FL140 N1429 W09052 - N1427 W09051
- N1346 W09210 - N1416 W09219 - N1429 W09052=

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Message File: T_WVHO31MHTG281840_C_KWBC_20260428190941_14615022-8523.txt

****0000000534****
WVHO31 MHTG 281840

MHTG SIGMET A4 VALID 281840/290040 MHTG-
MHCC CENTRAL AMERICAN FIR VA SANTA MARIA PSN N1445 W09133 
VA CLD OBS AT 1740Z SFC/FL190 N1446 W09133 - N1445 W09132
- N1431 W09143 - N1434 W09147 - N1446 W09133 MOV
SW 25KT SFC/FL190 N1440 W09251 - N1432 W09159 - N1417 W09159 
- N1402 W09313 - N1416 W09322 - N1440 W09251 MOV SW 25KT 
FCST 2330Z VA CLD SFC/FL190 N1446 W09132 - N1445 W09132 
- N1431 W09144 - N1435 W09148 -N1446 W09132 SFC/FL190 N1401 W09223 
- N1345W09223 - N1330 W09338 - N1344 W09346 - N1401 W09223=

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