Sea Ledger, December 2002

2002-12-01 to 2002-12-31 · archive

issued: 318
warning-days in force: 5,703
in force at month end: 174
sea × type cells: 164

baseline: same month, previous 5 years (2001-12, 2000-12, 1999-12, 1998-12, 1997-12)

By type

type	issued	warning-days	in force at end
Exercises	66	494	15
Incidents	62	1,690.8	54
Nav aids	48	1,324.4	44
Quakes	31	94.7	1
Cable ops	27	404.8	10
Icebergs	19	114.7	0
Other	16	387	12
Derelicts	9	68.6	3
Missiles	8	64.4	2
Wrecks	8	607.6	20
Debris	8	34.5	1
Ordnance	6	125.2	3
Surveys	4	163.5	4
Containers	4	21	1
Spills	2	46	2
War risk	0	62	2

By sea and type · 164 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	18	53.3	2	32	0.8× / 22.6
Icebergs · South Atlantic Oceansurge	14	82.9	0	—	5.4× / 2.6
Exercises · North Atlantic Oceansurge	13	84.6	1	39	3.0× / 4.4
Incidents · South China Seasurge	11	88.2	5	74	4.2× / 2.6
Exercises · Laccadive Seasurge	11	73.2	3	35	55× / 0.2
Incidents · North Pacific Ocean	10	379.9	15	61	1.8× / 5.6
Quakes · South Pacific Ocean	10	32.9	0	—	1.2× / 8.2
Incidents · South Pacific Oceansurge	9	69	1	67	2.6× / 3.4
Incidents · Philippine Seasurge	8	481.2	12	77	5.0× / 1.6
Exercises · Bay of Bengalsurge	8	49.1	3	33	4.4× / 1.8
Nav aids · English Channel	8	36.7	0	—	1.5× / 5.4
Nav aids · North Sealong running	7	109.7	4	525	1.4× / 5.2
Exercises · North Pacific Ocean	7	25.9	1	25	1.4× / 5
Nav aids · Mediterranean Sea - Western Basinsurge	6	83.4	4	68	30× / 0.2
Nav aids · South Atlantic Ocean	5	169	6	179	1.3× / 3.8
Wrecks · North Seasurgelong running	5	102.7	3	558	25× / 0.2
Missiles · North Pacific Ocean	5	62	2	35	1.3× / 3.8
Exercises · South Pacific Oceansurge	5	35.7	1	32	4.2× / 1.2
Icebergs · Southern Oceansurge	5	31.8	0	—	8.3× / 0.6
Exercises · Philippine Seasurge	5	28.9	0	—	25× / 0.2
Debris · Celtic Seanew	5	13.9	1	22	new / 0
Exercises · Arabian Seasurge	5	8.7	0	—	8.3× / 0.6
Incidents · Indian Oceansurge	4	158.5	5	44	2.2× / 1.8
Ordnance · North Atlantic Oceansurge	4	24.3	0	—	2.9× / 1.4
Incidents · South Atlantic Ocean	4	12.3	2	39	1.7× / 2.4
Quakes · North Pacific Ocean	4	12	0	—	0.5× / 7.4
Nav aids · Tyrrhenian Sea	3	142.1	6	237	1.4× / 2.2
Incidents · Mediterranean Sea - Eastern Basinsurge	3	101.3	1	67	5.0× / 0.6
Incidents · North Atlantic Ocean	3	88.2	2	65	0.6× / 5.4
Nav aids · Coral Seasurgelong running	3	63.4	2	985	2.1× / 1.4
Incidents · Adriatic Seasurge	3	37.4	3	23	15× / 0.2
Other · Tasman Seasurge	3	24.1	1	27	3.8× / 0.8
Containers · South China Seasurge	3	19.7	0	—	15× / 0.2
Other · North Atlantic Ocean	3	14.2	0	—	1.9× / 1.6
Quakes · South Atlantic Ocean	3	9	0	—	1.7× / 1.8
Nav aids · South Pacific Ocean	2	152.6	5	89	3.3× / 0.6
Exercises · Aegean Sea	2	89.5	3	362	1.3× / 1.6
Nav aids · Celtic Sealong running	2	84.7	1	630	0.5× / 4
Other · Japan Sea	2	66.1	2	33	2.5× / 0.8
Incidents · Coral Sea	2	49	2	37	0.8× / 2.4
Nav aids · Irish Sea and St. George's Channellong running	2	35.5	1	972	3.3× / 0.6
Cable ops · Black Seanew	2	31	1	65	new / 0
Nav aids · North Atlantic Ocean	2	20.4	1	32	1.4× / 1.4
Exercises · South Atlantic Ocean	2	11.6	0	—	1.0× / 2
Exercises · Black Sea	2	9.2	1	11	5.0× / 0.4
Surveys · North Sea	2	7.3	1	7	3.3× / 0.6
Quakes · Arafura Sea	2	6	0	—	10× / 0.2
Quakes · Molukka Sea	2	6	0	—	1.1× / 1.8
Quakes · Solomon Sea	2	6	0	—	1.0× / 2
Quakes · Celebes Sea	2	4.8	1	10	10× / 0.2
Exercises · Mediterranean Sea - Eastern Basin	2	4.5	1	8	2.5× / 0.8
Nav aids · Bass Strait	2	4.3	0	—	3.3× / 0.6
Derelicts · Mediterranean Sea - Eastern Basin	2	4.2	0	—	2.0× / 1
Ordnance · Philippine Sea	2	3.9	0	—	10× / 0.2
Missiles · North Atlantic Oceannew	2	2.3	0	—	new / 0
Incidents · Eastern China Sea	1	65	2	70	new / 0
Cable ops · Bay of Bengal	1	61.5	2	60	new / 0
Other · Yellow Sea	1	60.3	1	34	1.7× / 0.6
Spills · North Atlantic Ocean	1	45	1	41	0.5× / 2.2
Cable ops · Arabian Sea	1	37.9	0	—	2.5× / 0.4
Exercises · Malacca Strait	1	35.3	1	34	5.0× / 0.2
Wrecks · Arabian Sea	1	31	1	35	new / 0
Wrecks · North Atlantic Ocean	1	26.5	1	26	new / 0
Surveys · Gulf of Guinea	1	25.6	0	—	new / 0
Cable ops · Celtic Sea	1	23.3	1	33	0.3× / 3
Nav aids · Red Sea	1	21.6	1	21	new / 0
Cable ops · Gulf of Aqaba	1	19.6	1	19	new / 0
Surveys · South Atlantic Ocean	1	17.6	1	17	0.4× / 2.6
Cable ops · Sea of Azov	1	15.2	1	15	new / 0
Other · South Atlantic Ocean	1	14.8	0	—	0.7× / 1.4
Nav aids · Arabian Sea	1	14.5	1	14	new / 0
Wrecks · South Pacific Ocean	1	13.4	1	13	5.0× / 0.2
Nav aids · Great Australian Bight	1	13.3	1	13	1.0× / 1
Cable ops · North Sea	1	13.3	0	—	0.4× / 2.8
Other · English Channel	1	9.4	0	—	5.0× / 0.2
Derelicts · Indian Ocean	1	9.1	0	—	5.0× / 0.2
Nav aids · Bay of Bengal	1	7.8	0	—	new / 0
Derelicts · South Atlantic Ocean	1	7.5	1	31	2.5× / 0.4
Debris · South Atlantic Ocean	1	7.4	0	—	new / 0
Other · South Pacific Ocean	1	7.4	1	7	new / 0
Debris · English Channel	1	7	0	—	new / 0
Derelicts · Bay of Biscay	1	6.4	0	—	5.0× / 0.2
Derelicts · Celtic Sea	1	6.3	0	—	new / 0
Debris · North Atlantic Ocean	1	6.2	0	—	2.5× / 0.4
Exercises · Andaman or Burma Sea	1	5.9	0	—	new / 0
Exercises · Indian Ocean	1	4.4	0	—	2.5× / 0.4
Derelicts · North Pacific Ocean	1	3.3	1	35	1.7× / 0.6
Quakes · Banda Sea	1	3	0	—	1.7× / 0.6
Quakes · Bay of Bengal	1	3	0	—	new / 0
Quakes · Bismarck Sea	1	3	0	—	0.4× / 2.6
Quakes · Caribbean Sea	1	3	0	—	1.3× / 0.8
Cable ops · Gulf of Mexico	1	3	0	—	new / 0
Quakes · Indian Ocean	1	3	0	—	0.4× / 2.4
Quakes · Ionian Sea	1	3	0	—	new / 0
Nav aids · Alboran Sea	1	2.4	1	2	new / 0
Nav aids · Timor Sea	1	2	0	—	new / 0
Other · Celtic Sea	1	1.9	0	—	5.0× / 0.2
Other · Mediterranean Sea - Eastern Basin	1	1.4	1	1	5.0× / 0.2
Exercises · Gulf of Mexico	1	1.1	0	—	1.0× / 1
Spills · Gulf of Mexico	1	1	1	1	0.5× / 2.2
Other · Coral Sea	1	0.7	0	—	new / 0
Other · North Sea	1	0.7	0	—	1.7× / 0.6
Incidents · Laccadive Sea	1	0.6	0	—	5.0× / 0.2
Derelicts · North Sea	1	0.6	0	—	2.5× / 0.4
Incidents · Gulf of Guinea	1	0.5	0	—	5.0× / 0.2
Containers · North Atlantic Ocean	1	0.3	1	0	0.6× / 1.6
Derelicts · South Pacific Ocean	1	0.2	0	—	5.0× / 0.2
Incidents · Arafura Sea	1	0.1	0	—	5.0× / 0.2
Missiles · South Pacific Ocean	1	0.1	0	—	new / 0
Incidents · Tasman Sea	1	0.1	0	—	0.8× / 1.2
Wrecks · English Channellong running	0	93	3	439	0.0× / 0.6
Nav aids · Persian Gulflong running	0	93	3	392	0.0× / 0.6
Wrecks · Baltic Sealong running	0	62	2	732	0.0× / 0.8
War risk · Persian Gulf	0	62	2	333	— / 0
Wrecks · South China Sealong running	0	62	2	460	0.0× / 0.2
Wrecks · Tyrrhenian Sealong running	0	62	2	691	— / 0
Cable ops · Java Sea	0	47.7	0	—	— / 0
Cable ops · Mediterranean Sea - Eastern Basin	0	35.5	0	—	— / 0
Cable ops · Tasman Sea	0	32.5	1	78	0.0× / 0.6
Incidents · Arabian Sea	0	31	1	43	0.0× / 1.2
Other · Bass Strait	0	31	1	270	0.0× / 0.2
Wrecks · Celtic Sealong running	0	31	1	410	— / 0
Nav aids · Eastern China Sealong running	0	31	1	799	— / 0
Other · Greenland Sealong running	0	31	1	860	— / 0
Other · Gulf of Guinea	0	31	1	93	— / 0
Other · Gulf of Mexico	0	31	1	32	— / 0
Surveys · Gulf of Oman	0	31	1	166	— / 0
Ordnance · Indian Ocean	0	31	1	334	0.0× / 0.2
Nav aids · Ionian Sea	0	31	1	203	— / 0
Wrecks · Irish Sea and St. George's Channellong running	0	31	1	911	— / 0
Incidents · Japan Sea	0	31	1	43	— / 0
Wrecks · Kattegatlong running	0	31	1	680	— / 0
Other · Laccadive Sea	0	31	1	36	— / 0
Ordnance · Ligurian Sea	0	31	1	317	— / 0
Wrecks · Makassar Strait	0	31	1	203	— / 0
Nav aids · Malacca Strait	0	31	1	249	0.0× / 0.4
Other · Malacca Strait	0	31	1	96	— / 0
Surveys · Mediterranean Sea - Western Basin	0	31	1	252	0.0× / 0.8
Cable ops · North Atlantic Ocean	0	31	1	101	0.0× / 3.8
Derelicts · North Atlantic Ocean	0	31	1	89	0.0× / 2.2
Ordnance · North Pacific Oceanlong running	0	31	1	446	0.0× / 0.6
Incidents · Persian Gulf	0	31	1	253	0.0× / 0.2
Nav aids · Savu Sea	0	31	1	301	— / 0
Nav aids · Skagerraklong running	0	31	1	546	— / 0
Wrecks · Skagerraklong running	0	31	1	783	— / 0
Nav aids · Solomon Sea	0	31	1	310	— / 0
Nav aids · Southern Ocean	0	31	1	39	— / 0
Incidents · Sulu Sea	0	31	1	41	— / 0
Surveys · North Atlantic Ocean	0	28.5	0	—	0.0× / 0.2
Incidents · Ionian Sea	0	27.5	0	—	0.0× / 0.2
Nav aids · Tasman Sea	0	27.5	0	—	0.0× / 1.6
Nav aids · Andaman or Burma Sea	0	23.5	0	—	0.0× / 0.6
Exercises · Tyrrhenian Sea	0	16.6	0	—	0.0× / 1
Surveys · Philippine Sea	0	15	0	—	0.0× / 0.4
Exercises · Mediterranean Sea - Western Basin	0	9.8	0	—	0.0× / 1.8
Incidents · Solomon Sea	0	6.5	0	—	0.0× / 0.4
Surveys · Persian Gulf	0	5	0	—	— / 0
Ordnance · Bay of Bengal	0	4	0	—	— / 0
Surveys · Celtic Sea	0	1.5	0	—	0.0× / 6.4
Incidents · Mediterranean Sea - Western Basin	0	1.5	0	—	— / 0
Surveys · Gulf of Suez	0	1	0	—	— / 0
Containers · Indian Ocean	0	1	0	—	0.0× / 0.2
Exercises · Ionian Sea	0	0	0	—	0.0× / 0.6
Cable ops · Laccadive Sea	0	0	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2002-12, retrieved 2026-09-03

Not for navigation. Warning-days = days each warning was in force within the month, summed. Only warnings we display are counted; the ratio compares warnings issued with the mean of the reference months.