152353Z OCT 24
NAVAREA IV 1282/24(GEN).
WORLD MAGENETIC MODEL (WMM) 2025 UPDATE
1. AS PART OF THE REGULAR UPDATE CYCLE OF THE
WORLD MAGNETIC MODEL (WMM),
THE NATIONAL OCEANOGRAPHIC & ATMOSPHERIC
ADMINISTRATION (NOAA)/ NATIONAL CENTERS
FOR ENVIRONMENTAL INFORMATION (NCEI),
IN COLLABORATION WITH THE BRITISH
GEOLOGICAL SURVEY (BGS), WILL RELEASE THE
WMM2025 ON DECEMBER 17, 2024.
THE CURRENT 2020 WMM WILL EXPIRE ON
DECEMBER 31, 2024.
2. IN ORDER TO AVOID ANY MODEL PERFORMANCE
DEGR
- ADMINISTRATIVE (2,611)
- CABLE OPERATIONS (2,235)
- CANCEL ALERT (36)
- COMMERCIAL SHIPPING (795)
- DISTRESS (2,600)
- GEOPOLITICAL INSTABILITY (795)
- LIGHTHOUSE TOUR (16)
- MAP UPDATE (509)
- MIGRANTS (516)
- MILITARY ACTIVITY (2,099)
- NAVIGATION HAZARD (22,813)
- CONSTRUCTION (118)
- ICEBERGS (2,847)
- OCEAN CLEANUP (264)
- OIL PLATFORMS (3,040)
- PIPELINE OPERATIONS (457)
- PIRATES (16)
- PORT STATUS (148)
- ROCKET LAUNCH (1,584)
- SCIENTIFIC RESEARCH (3,166)
- SEISMIC SURVEY (2,677)
- SITE NEWS (4)
- SPACE DEBRIS (1,218)
- TECHNICAL DIFFICULTIES (2,887)
- TEST (312)
- TSUNAMIS (1)
- UNCATEGORIZED (954)
- UNDERWATER OPERATIONS (613)
- UNUSUAL (2)
- WEATHER (16,915)
- WHALES (1)
CABLESHIP IT INTREPID (119) CABLESHIP RENE DESCARTES (113) DEEP VALUE DRILLER (343) EASTER ISLAND (636) ENSCO DS10 (119) FPSO (750) GLIDER OCEANSCOUT (640) M/V RAMFORM HYPERION (701) M/V RAMFORM TETHYS (988) M/V SANCO SWORD (101) MARION DUFRESNE (92) MODU (531) NOBLE GERRY DE SOUZA (320) NOBLE VENTURER (301) OCEAN BLACKRHINO (213) R/V BGP PROSPECTOR (94) RIGLIST (669) SAVEIROS GAIVOTA (203) space weather (95) VITI LEVU (538)
WMM 2025 update releases on December 17, 2024; 2020 model expires soon.
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