Sea Ledger, November 2002

2002-11-01 to 2002-11-30 · archive

issued: 373
warning-days in force: 5,340
in force at month end: 190
sea × type cells: 179

baseline: same month, previous 5 years (2001-11, 2000-11, 1999-11, 1998-11, 1997-11)

By type

type	issued	warning-days	in force at end
Exercises	79	541.7	20
Incidents	70	1,427.7	56
Nav aids	44	1,079.4	42
Cable ops	43	517.7	15
Derelicts	32	169.2	3
Quakes	32	100.9	1
Other	26	338.5	13
Ordnance	13	132.9	7
Surveys	10	243.7	9
Icebergs	7	35.4	0
Missiles	5	74.5	2
Debris	5	13.5	0
Containers	3	19.7	1
Spills	2	24.3	1
Wrecks	1	528.6	18
Mines	1	5.8	0
War risk	0	60	2
Towing	0	12.4	0
Piracy	0	14.5	0

By sea and type · 179 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Exercises · North Atlantic Oceansurge	22	92	4	66	6.1× / 3.6
Cable ops · South Atlantic Ocean	20	59.1	1	31	0.9× / 21
Derelicts · North Atlantic Oceansurge	19	75.5	1	58	16× / 1.2
Incidents · North Pacific Oceansurge	15	225.7	10	73	2.9× / 5.2
Incidents · Philippine Seasurge	12	386.3	15	71	6.7× / 1.8
Nav aids · South Atlantic Oceansurge	10	135.7	7	148	2.2× / 4.6
Incidents · North Atlantic Oceansurge	10	72.7	3	54	3.1× / 3.2
Exercises · Arabian Seasurge	9	36.1	0	—	45× / 0.2
Nav aids · North Sealong running	8	131.5	5	494	1.6× / 5
Exercises · Laccadive Seasurge	8	59.5	2	35	40× / 0.2
Incidents · Indian Ocean	7	67.4	6	49	1.9× / 3.6
Exercises · South Atlantic Oceansurge	7	33.4	2	30	2.9× / 2.4
Icebergs · South Atlantic Oceansurge	7	23.4	0	—	2.1× / 3.4
Quakes · South Pacific Ocean	7	21.4	1	31	0.5× / 13.4
Exercises · South Pacific Oceansurge	7	19.7	1	23	5.0× / 1.4
Incidents · South Pacific Oceansurge	6	146.6	3	56	2.0× / 3
Nav aids · South Pacific Oceansurgelong running	6	120.9	5	368	3.3× / 1.8
Quakes · North Pacific Ocean	6	18	0	—	1.4× / 4.2
Missiles · North Pacific Ocean	5	60	2	33	1.6× / 3.2
Surveys · South Atlantic Oceansurge	5	26.2	0	—	2.3× / 2.2
Exercises · Bay of Bengalsurge	5	7.5	4	12	8.3× / 0.6
Other · Celtic Seasurge	5	5.1	0	—	25× / 0.2
Other · Yellow Seasurge	4	62.8	2	34	5.0× / 0.8
Incidents · South Atlantic Ocean	4	34.7	1	52	1.8× / 2.2
Quakes · Indian Oceansurge	4	12	0	—	4.0× / 1
Cable ops · Mediterranean Sea - Eastern Basinsurge	3	65.4	2	31	3.8× / 0.8
Exercises · Tyrrhenian Sea	3	36.8	1	29	1.7× / 1.8
Other · South Atlantic Oceansurge	3	26.2	1	36	15× / 0.2
Exercises · Mediterranean Sea - Western Basin	3	23	1	29	1.5× / 2
Other · North Atlantic Oceansurge	3	13.5	1	14	3.0× / 1
Quakes · Coral Sea	3	9	0	—	1.5× / 2
Quakes · South Atlantic Oceansurge	3	9	0	—	3.0× / 1
Ordnance · North Atlantic Oceansurge	3	7.6	3	36	5.0× / 0.6
Exercises · Black Seasurge	3	7.4	0	—	5.0× / 0.6
Incidents · Coral Sea	3	6.5	1	13	0.8× / 3.6
Incidents · Great Australian Bightnew	3	5.2	0	—	new / 0
Derelicts · Arafura Seanew	3	3.3	0	—	new / 0
Debris · North Pacific Oceannew	3	3.1	0	—	new / 0
Nav aids · North Atlantic Ocean	3	2.6	1	11	1.3× / 2.4
Incidents · Mediterranean Sea - Eastern Basin	2	129.4	5	36	2.0× / 1
Cable ops · Arabian Sea	2	84.4	1	39	2.5× / 0.8
Nav aids · Persian Gulf	2	78.4	3	361	1.3× / 1.6
Other · Japan Sea	2	77.6	2	58	2.5× / 0.8
Nav aids · Celtic Sealong running	2	63.5	3	599	2.0× / 1
Cable ops · Bay of Bengal	2	58.3	2	29	2.5× / 0.8
Cable ops · North Atlantic Ocean	2	39	1	70	0.8× / 2.4
Exercises · Mediterranean Sea - Eastern Basin	2	36.4	0	—	0.9× / 2.2
Nav aids · Irish Sea and St. George's Channellong running	2	35.6	1	941	1.0× / 2
Spills · North Atlantic Ocean	2	24.3	1	16	1.0× / 2
Cable ops · Java Sea	2	17.7	2	10	5.0× / 0.4
Exercises · North Pacific Ocean	2	13.7	0	—	0.4× / 5
Ordnance · Bay of Bengalnew	2	12.7	1	17	new / 0
Derelicts · North Pacific Ocean	2	11.2	1	29	1.3× / 1.6
Exercises · Adriatic Sea	2	10.7	0	—	0.8× / 2.6
Other · Laccadive Seanew	2	9.2	1	9	new / 0
Quakes · Sea of Okhotsk	2	6	0	—	5.0× / 0.4
Ordnance · Gulf of Omannew	2	5.7	0	—	new / 0
Cable ops · English Channel	2	4.7	0	—	1.7× / 1.2
Other · Bay of Biscaynew	2	4.6	0	—	new / 0
Ordnance · Persian Gulf	2	3.5	0	—	3.3× / 0.6
Ordnance · Philippine Sea	2	3.3	0	—	3.3× / 0.6
Exercises · Gulf of Mexico	2	2.2	0	—	1.3× / 1.6
Cable ops · North Sea	2	1.2	1	1	0.7× / 3
Other · Indian Ocean	2	0.2	0	—	3.3× / 0.6
Nav aids · Tyrrhenian Sea	1	130.7	4	206	0.3× / 3.4
Incidents · South China Sea	1	108.7	3	71	0.3× / 3.6
Exercises · Aegean Sea	1	89.8	3	331	0.4× / 2.4
Nav aids · Coral Sealong running	1	60.9	2	954	1.3× / 0.8
Nav aids · Tasman Sea	1	45.5	1	257	1.0× / 1
Incidents · Eastern China Sea	1	41.4	2	39	5.0× / 0.2
Cable ops · Tasman Sea	1	39.9	2	47	5.0× / 0.2
Exercises · Ionian Sea	1	35.2	1	30	1.3× / 0.8
Incidents · Mediterranean Sea - Western Basin	1	34.5	1	43	new / 0
Exercises · Malacca Strait	1	33.3	1	35	5.0× / 0.2
Surveys · North Atlantic Ocean	1	32.3	2	190	1.3× / 0.8
Nav aids · Mediterranean Sea - Western Basin	1	31.8	1	37	1.7× / 0.6
Other · Bass Strait	1	30	1	239	new / 0
Cable ops · Laccadive Sea	1	28.5	1	28	new / 0
Surveys · Persian Gulf	1	27.1	1	27	5.0× / 0.2
Incidents · Japan Sea	1	26.8	1	58	1.3× / 0.8
Nav aids · English Channel	1	25.6	0	—	0.6× / 1.8
Incidents · Arabian Sea	1	18.3	1	37	2.5× / 0.4
Incidents · Ionian Sea	1	18.3	1	18	5.0× / 0.2
Nav aids · Inner Seas off the West Coast of Scotland	1	17.3	0	—	0.5× / 2.2
Cable ops · Gulf of Mexico	1	13.9	0	—	new / 0
Surveys · Gulf of Suez	1	11.6	1	11	5.0× / 0.2
Cable ops · Eastern China Sea	1	11.4	0	—	2.5× / 0.4
Surveys · Gulf of Guinea	1	10.4	1	10	new / 0
Incidents · Sulu Sea	1	10.3	1	10	new / 0
Derelicts · Timor Sea	1	9.7	0	—	new / 0
Cable ops · Bristol Channel	1	9	0	—	new / 0
Nav aids · Southern Ocean	1	8.5	1	8	new / 0
Surveys · Celtic Sea	1	7.3	1	7	0.2× / 5
Derelicts · Mediterranean Sea - Eastern Basin	1	7	0	—	new / 0
Derelicts · Persian Gulf	1	6.9	0	—	1.7× / 0.6
Containers · North Atlantic Ocean	1	6.7	0	—	0.7× / 1.4
Derelicts · Malacca Strait	1	6.5	0	—	new / 0
Ordnance · Eastern China Sea	1	6.3	0	—	new / 0
Derelicts · Philippine Sea	1	6.3	0	—	5.0× / 0.2
Debris · North Atlantic Ocean	1	6.1	0	—	1.7× / 0.6
Derelicts · Celtic Sea	1	6	0	—	5.0× / 0.2
Nav aids · Bay of Bengal	1	5.8	0	—	5.0× / 0.2
Mines · English Channel	1	5.8	0	—	new / 0
Containers · North Sea	1	5.8	0	—	new / 0
Quakes · Adriatic Sea	1	5.4	0	—	new / 0
Containers · Indian Ocean	1	5.2	1	5	5.0× / 0.2
Cable ops · Inner Seas off the West Coast of Scotland	1	5.2	0	—	new / 0
Quakes · Bismarck Sea	1	5.1	0	—	0.6× / 1.8
Incidents · Bay of Bengal	1	4.9	0	—	2.5× / 0.4
Other · English Channel	1	4.4	1	4	5.0× / 0.2
Wrecks · Arabian Sea	1	4.1	1	4	new / 0
Exercises · Andaman or Burma Sea	1	3.1	0	—	new / 0
Quakes · Andaman or Burma Sea	1	3	0	—	5.0× / 0.2
Quakes · Black Sea	1	3	0	—	2.5× / 0.4
Quakes · Caribbean Sea	1	3	0	—	5.0× / 0.2
Quakes · Gulf of Alaska	1	3	0	—	2.5× / 0.4
Quakes · Japan Sea	1	3	0	—	5.0× / 0.2
Nav aids · Andaman or Burma Sea	1	2.3	1	2	5.0× / 0.2
Cable ops · Celtic Sea	1	2.3	1	2	0.3× / 3.2
Derelicts · Gulf of Mexico	1	2.3	0	—	new / 0
Nav aids · Bass Strait	1	2	1	2	1.7× / 0.6
Cable ops · Singapore Strait	1	2	0	—	5.0× / 0.2
Ordnance · Japan Sea	1	1.8	0	—	5.0× / 0.2
Debris · Philippine Sea	1	1.3	0	—	new / 0
Other · Gulf of Mexico	1	1.2	1	1	new / 0
Derelicts · South Atlantic Ocean	1	0.9	1	0	1.0× / 1
Nav aids · Mediterranean Sea - Eastern Basin	1	0.8	0	—	1.3× / 0.8
Wrecks · English Channellong running	0	90	3	408	0.0× / 0.6
Wrecks · North Sealong running	0	90	3	527	0.0× / 0.6
Wrecks · Baltic Sealong running	0	60	2	701	— / 0
War risk · Persian Gulf	0	60	2	302	— / 0
Wrecks · South China Sealong running	0	60	2	429	0.0× / 1
Wrecks · Tyrrhenian Sealong running	0	60	2	660	0.0× / 0.2
Cable ops · South China Sea	0	45.7	0	—	0.0× / 0.8
Cable ops · Black Sea	0	30	1	34	0.0× / 0.2
Wrecks · Celtic Sealong running	0	30	1	379	0.0× / 0.2
Nav aids · Eastern China Sealong running	0	30	1	768	— / 0
Other · Greenland Sealong running	0	30	1	829	— / 0
Other · Gulf of Guinea	0	30	1	62	— / 0
Surveys · Gulf of Oman	0	30	1	135	— / 0
Ordnance · Indian Ocean	0	30	1	303	— / 0
Nav aids · Ionian Sea	0	30	1	172	0.0× / 0.4
Wrecks · Irish Sea and St. George's Channellong running	0	30	1	880	— / 0
Wrecks · Kattegatlong running	0	30	1	649	— / 0
Ordnance · Ligurian Sea	0	30	1	286	— / 0
Wrecks · Makassar Strait	0	30	1	172	— / 0
Nav aids · Malacca Strait	0	30	1	218	— / 0
Other · Malacca Strait	0	30	1	65	— / 0
Surveys · Mediterranean Sea - Western Basin	0	30	1	221	0.0× / 0.4
Ordnance · North Pacific Oceanlong running	0	30	1	415	0.0× / 0.2
Incidents · Persian Gulf	0	30	1	222	0.0× / 0.2
Surveys · Philippine Sea	0	30	1	71	0.0× / 0.2
Nav aids · Savu Sea	0	30	1	270	— / 0
Nav aids · Skagerraklong running	0	30	1	515	— / 0
Wrecks · Skagerraklong running	0	30	1	752	0.0× / 0.2
Nav aids · Solomon Sea	0	30	1	279	— / 0
Incidents · Solomon Sea	0	30	1	36	— / 0
Derelicts · Indian Ocean	0	22.6	0	—	0.0× / 0.4
Incidents · Tyrrhenian Sea	0	22.5	0	—	— / 0
Surveys · Irish Sea and St. George's Channel	0	18	0	—	0.0× / 0.2
Missiles · Celtic Sea	0	14.5	0	—	— / 0
Wrecks · Coral Sea	0	14.5	0	—	0.0× / 0.2
Piracy · Gulf of Aden	0	14.5	0	—	— / 0
Surveys · Arabian Sea	0	13.3	0	—	— / 0
Towing · Mediterranean Sea - Eastern Basin	0	12.4	0	—	— / 0
Other · Persian Gulf	0	12.4	0	—	0.0× / 0.4
Icebergs · Southern Ocean	0	12	0	—	0.0× / 1
Surveys · Black Sea	0	7.5	0	—	0.0× / 0.2
Incidents · Celtic Sea	0	7.5	0	—	0.0× / 1.2
Derelicts · South Pacific Ocean	0	6	0	—	0.0× / 0.6
Derelicts · Tyrrhenian Sea	0	5	0	—	— / 0
Debris · Tyrrhenian Sea	0	3	0	—	— / 0
Containers · Celtic Sea	0	2	0	—	— / 0
Ordnance · Greenland Sea	0	2	0	—	0.0× / 0.4
Exercises · Persian Gulf	0	1.9	0	—	— / 0
Other · North Pacific Ocean	0	1.3	0	—	0.0× / 0.6
Surveys · Indian Ocean	0	0	0	—	— / 0
Exercises · Norwegian Sea	0	0	0	—	— / 0
Cable ops · Yellow Sea	0	0	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2002-11, 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.