Sea Ledger, November 2000

2000-11-01 to 2000-11-30 · archive

issued: 457
warning-days in force: 6,756
in force at month end: 222
sea × type cells: 179

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

By type

type	issued	warning-days	in force at end
Cable ops	111	685.5	22
Quakes	77	245.4	2
Nav aids	57	2,250.8	71
Incidents	49	813.9	30
Exercises	49	333.3	12
Surveys	40	266.3	9
Other	17	695.7	24
Derelicts	16	73.3	3
Spills	12	113.9	8
Containers	8	50.3	1
Wrecks	7	641.9	22
Missiles	5	60	2
Icebergs	3	20.5	0
Ordnance	3	287.8	9
Mines	1	8.8	0
Debris	1	8	0
Towing	1	20.7	1
War risk	0	120	4
Structures	0	60	2

By sea and type · 179 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Oceansurge	67	214.9	7	34	15× / 4.33
Quakes · Solomon Seasurge	32	96.4	0	—	12× / 2.67
Quakes · South Pacific Ocean	16	54.9	1	32	1.2× / 13.67
Cable ops · Irish Sea and St. George's Channelnew	12	33	1	29	new / 0
Cable ops · North Atlantic Oceansurge	11	71.6	3	33	33× / 0.33
Exercises · North Pacific Oceansurge	10	39.7	3	34	7.5× / 1.33
Nav aids · North Sea	8	198.5	6	255	1.9× / 4.33
Incidents · South China Seasurge	8	47.5	2	69	12× / 0.67
Exercises · North Atlantic Oceansurge	8	44.9	1	33	4.8× / 1.67
Quakes · Bismarck Seasurge	8	24	0	—	24× / 0.33
Surveys · Tyrrhenian Seanew	8	20.1	1	20	new / 0
Incidents · North Pacific Oceansurge	7	125.7	5	66	2.3× / 3
Surveys · South Atlantic Oceansurge	7	103.1	1	46	21× / 0.33
Spills · Gulf of Mexicosurge	7	75	5	30	2.1× / 3.33
Nav aids · South Atlantic Ocean	6	241.7	7	139	1.6× / 3.67
Exercises · Aegean Seasurge	6	130.1	4	333	9.0× / 0.67
Incidents · South Pacific Oceansurge	6	57.8	2	75	3.0× / 2
Exercises · Adriatic Seasurge	6	25.5	1	27	3.6× / 1.67
Surveys · North Sea	6	15.7	0	—	1.3× / 4.67
Surveys · Celtic Sea	6	10.7	0	—	1.3× / 4.67
Incidents · North Atlantic Oceansurge	5	135	5	57	2.5× / 2
Incidents · Indian Oceansurge	5	119.3	5	51	3.0× / 1.67
Nav aids · English Channelsurge	5	97.6	2	46	7.5× / 0.67
Missiles · North Pacific Oceansurge	5	60	2	35	3.0× / 1.67
Cable ops · English Channelnew	5	16.9	0	—	new / 0
Cable ops · North Seasurge	5	13.7	0	—	2.5× / 2
Incidents · Celtic Seasurge	5	1.8	0	—	15× / 0.33
Nav aids · Tyrrhenian Sea	4	135.4	3	210	1.5× / 2.67
Nav aids · North Atlantic Oceansurge	4	103.2	3	163	4.0× / 1
Nav aids · Irish Sea and St. George's Channelsurge	4	68.5	2	211	2.0× / 2
Nav aids · Inner Seas off the West Coast of Scotlandsurge	4	46	1	219	4.0× / 1
Cable ops · Celtic Seasurge	4	31.6	1	25	2.0× / 2
Nav aids · Persian Gulfsurge	4	30.6	1	31	4.0× / 1
Containers · North Atlantic Oceansurge	4	25.4	0	—	6.0× / 0.67
Exercises · Mediterranean Sea - Eastern Basinsurge	4	19.8	1	13	3.0× / 1.33
Quakes · Coral Seasurge	4	13.9	0	—	2.0× / 2
Quakes · North Pacific Ocean	4	12.9	0	—	0.9× / 4.67
Quakes · Philippine Seasurge	4	12.6	1	31	2.4× / 1.67
Nav aids · Celtic Seasurge	4	5.8	1	22	12× / 0.33
Nav aids · North Pacific Oceannew	3	126	4	261	new / 0
Other · North Atlantic Oceansurge	3	43.9	3	45	9.1× / 0.33
Incidents · South Atlantic Ocean	3	23.1	1	28	1.8× / 1.67
Surveys · North Atlantic Oceansurge	3	11.5	2	24	9.1× / 0.33
Derelicts · Bay of Biscaysurge	3	9.1	0	—	9.1× / 0.33
Quakes · South Atlantic Oceansurge	3	9	0	—	9.1× / 0.33
Exercises · Ligurian Seasurge	3	6.9	0	—	4.5× / 0.67
Surveys · English Channelnew	3	5.3	1	7	new / 0
Incidents · Coral Sea	3	0.8	1	2	1.3× / 2.33
Nav aids · Tasman Sealong running	2	71.4	4	471	6.1× / 0.33
Wrecks · English Channellong running	2	52.1	2	519	6.1× / 0.33
Other · Japan Seanew	2	38.6	2	34	new / 0
Incidents · Mediterranean Sea - Eastern Basin	2	34.1	1	44	3.0× / 0.67
Other · North Pacific Oceannew	2	26.5	2	13	new / 0
Spills · North Atlantic Ocean	2	18	2	14	0.8× / 2.67
Nav aids · Japan Seanew	2	17.8	1	13	new / 0
Nav aids · Bass Strait	2	13.8	0	—	6.1× / 0.33
Icebergs · South Atlantic Ocean	2	13.8	0	—	0.4× / 5
Containers · English Channelnew	2	13	0	—	new / 0
Derelicts · Coral Seanew	2	12.9	0	—	new / 0
Derelicts · North Atlantic Ocean	2	12.9	1	34	6.1× / 0.33
Derelicts · South Pacific Ocean	2	12.8	0	—	6.1× / 0.33
Derelicts · Persian Gulf	2	11	1	25	6.1× / 0.33
Other · Indian Oceannew	2	10.6	1	20	new / 0
Exercises · Gulf of Mexico	2	8.4	0	—	1.0× / 2
Spills · English Channelnew	2	7.9	0	—	new / 0
Exercises · Mediterranean Sea - Western Basin	2	7.5	0	—	1.5× / 1.33
Derelicts · South China Seanew	2	7.3	0	—	new / 0
Derelicts · Indian Oceannew	2	6.8	0	—	new / 0
Exercises · Ionian Sea	2	6.5	1	29	6.1× / 0.33
Exercises · Tyrrhenian Sea	2	4.7	0	—	1.2× / 1.67
Incidents · Bay of Biscay	2	1.8	1	24	6.1× / 0.33
Surveys · Mediterranean Sea - Western Basinnew	2	0.3	0	—	new / 0
Ordnance · Adriatic Sealong running	1	216.2	7	538	1.0× / 1
Other · Yellow Sea	1	109.5	1	34	new / 0
Wrecks · North Sealong running	1	89.7	3	380	3.0× / 0.33
Other · North Sealong running	1	68	2	581	new / 0
Wrecks · Persian Gulf	1	53.3	2	157	new / 0
Other · South Pacific Ocean	1	50.6	2	207	3.0× / 0.33
Cable ops · South China Sea	1	43.7	1	117	3.0× / 0.33
Nav aids · Indian Ocean	1	40.2	2	109	new / 0
Other · Tyrrhenian Sea	1	34.4	1	38	3.0× / 0.33
Ordnance · Tyrrhenian Sealong running	1	32.7	1	392	3.0× / 0.33
Cable ops · Arabian Sea	1	32.1	1	31	1.5× / 0.67
Wrecks · Coral Sea	1	30.7	1	185	new / 0
Cable ops · Gulf of Suez	1	29.6	1	29	new / 0
Nav aids · Gulf of Riga	1	27.4	1	27	new / 0
Other · Persian Gulf	1	24.3	1	24	3.0× / 0.33
Wrecks · Skagerrak	1	22.2	1	22	new / 0
Towing · South China Sea	1	20.7	1	20	new / 0
Nav aids · Red Sea	1	17.6	1	17	new / 0
Cable ops · Caribbean Sea	1	16.5	1	16	new / 0
Exercises · Black Sea	1	16.4	0	—	new / 0
Surveys · Black Sea	1	13.4	0	—	new / 0
Spills · The Coastal Waters of Southeast Alaska and British Columbia	1	13	1	13	new / 0
Wrecks · Bay of Biscay	1	12.6	1	12	new / 0
Nav aids · Laccadive Sea	1	9	0	—	new / 0
Ordnance · Persian Gulf	1	8.9	0	—	3.0× / 0.33
Exercises · South Atlantic Ocean	1	7.7	1	7	0.4× / 2.67
Incidents · Ionian Sea	1	7.5	1	7	new / 0
Cable ops · Tasman Sea	1	7.5	0	—	new / 0
Surveys · Ionian Sea	1	7.4	0	—	new / 0
Incidents · Caribbean Sea	1	6.7	0	—	new / 0
Icebergs · Indian Ocean	1	6.7	0	—	new / 0
Debris · South Atlantic Ocean	1	6.5	0	—	new / 0
Mines · North Atlantic Ocean	1	6.4	0	—	new / 0
Containers · Bay of Biscay	1	6.3	0	—	new / 0
Exercises · Sea of Marmara	1	6.2	0	—	new / 0
Cable ops · Tyrrhenian Sea	1	6	0	—	1.5× / 0.67
Containers · South Pacific Ocean	1	5.6	1	5	new / 0
Exercises · Laccadive Sea	1	5	0	—	new / 0
Quakes · Indian Ocean	1	4.5	0	—	0.8× / 1.33
Quakes · Andaman or Burma Sea	1	3	0	—	new / 0
Quakes · Gulf of Alaska	1	3	0	—	3.0× / 0.33
Quakes · Mediterranean Sea - Western Basin	1	3	0	—	new / 0
Quakes · South China Sea	1	3	0	—	new / 0
Quakes · Tasman Sea	1	3	0	—	new / 0
Surveys · Timor Sea	1	2.5	1	2	new / 0
Nav aids · Mediterranean Sea - Eastern Basin	1	2.4	0	—	1.5× / 0.67
Surveys · Mediterranean Sea - Eastern Basin	1	2.4	1	2	1.5× / 0.67
Other · Mediterranean Sea - Eastern Basin	1	1.5	1	1	new / 0
Surveys · Irish Sea and St. George's Channel	1	0.9	0	—	new / 0
Other · Celtic Sea	1	0.6	0	—	new / 0
Derelicts · Celtic Sea	1	0.5	1	0	new / 0
Cable ops · Black Sea	1	0.4	1	0	new / 0
Other · English Channel	1	0.4	0	—	new / 0
Incidents · Tasman Sea	1	0	0	—	1.5× / 0.67
Nav aids · South Pacific Oceanlong running	0	362.5	12	481	0.0× / 1.33
Nav aids · Coral Sealong running	0	129.5	4	532	0.0× / 1.33
Nav aids · Gulf of Suez	0	120	4	212	— / 0
War risk · Persian Gulf	0	120	4	301	— / 0
Nav aids · Mozambique Channel	0	90	3	112	— / 0
Wrecks · South China Sea	0	90	3	317	0.0× / 0.33
Cable ops · Persian Gulf	0	78	2	95	0.0× / 1
Other · Adriatic Sealong running	0	60	2	1,445	0.0× / 0.33
Nav aids · Malacca Straitlong running	0	60	2	412	— / 0
Cable ops · Mediterranean Sea - Eastern Basin	0	60	2	265	0.0× / 0.33
Wrecks · Red Sea	0	60	2	205	— / 0
Other · South China Sealong running	0	60	2	464	0.0× / 0.33
Wrecks · Tyrrhenian Sealong running	0	60	2	770	— / 0
Incidents · Sea of Okhotsk	0	53.4	1	50	— / 0
Incidents · Adriatic Sea	0	39.9	0	—	— / 0
Nav aids · Adriatic Sealong running	0	30	1	618	— / 0
Surveys · Adriatic Sealong running	0	30	1	622	— / 0
Wrecks · Adriatic Sea	0	30	1	290	— / 0
Nav aids · Andaman or Burma Sea	0	30	1	50	0.0× / 0.33
Wrecks · Arabian Sea	0	30	1	63	— / 0
Nav aids · Bay of Bengallong running	0	30	1	422	0.0× / 0.33
Incidents · Bering Sea	0	30	1	34	— / 0
Nav aids · Caribbean Sea	0	30	1	209	— / 0
Nav aids · Eastern China Sea	0	30	1	38	— / 0
Incidents · Eastern China Sea	0	30	1	45	0.0× / 0.33
Other · Greenland Sea	0	30	1	99	— / 0
Other · Gulf of California	0	30	1	248	— / 0
Nav aids · Gulf of Mexico	0	30	1	190	— / 0
Other · Gulf of Mexico	0	30	1	248	— / 0
Wrecks · Irish Sea and St. George's Channel	0	30	1	150	— / 0
Structures · Mediterranean Sea - Eastern Basin	0	30	1	63	— / 0
Wrecks · North Atlantic Oceanlong running	0	30	1	541	— / 0
Ordnance · North Pacific Ocean	0	30	1	49	0.0× / 0.33
Surveys · North Pacific Ocean	0	30	1	250	— / 0
Incidents · North Sea	0	30	1	46	— / 0
Other · Red Sealong running	0	30	1	1,819	— / 0
Incidents · Singapore Strait	0	30	1	43	— / 0
Structures · South China Sealong running	0	30	1	505	— / 0
Cable ops · South Pacific Ocean	0	30	1	42	— / 0
Wrecks · South Pacific Ocean	0	30	1	209	0.0× / 0.67
Nav aids · Timor Sea	0	30	1	310	— / 0
Incidents · Tyrrhenian Sea	0	30	1	39	— / 0
Other · Philippine Sea	0	23.4	0	—	— / 0
Other · South Atlantic Ocean	0	23.4	0	—	— / 0
Wrecks · South Atlantic Ocean	0	21.3	0	—	— / 0
Nav aids · Philippine Sea	0	16.4	0	—	— / 0
Surveys · Philippine Sea	0	13	0	—	0.0× / 0.33
Incidents · Arabian Sea	0	9.5	0	—	0.0× / 0.67
Nav aids · Mediterranean Sea - Western Basin	0	9.5	0	—	0.0× / 0.33
Exercises · Norwegian Sea	0	4	0	—	— / 0
Mines · North Sea	0	2.4	0	—	— / 0
Quakes · North Atlantic Ocean	0	2.2	0	—	0.0× / 0.67
Debris · Mediterranean Sea - Eastern Basin	0	1.5	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2000-11, 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.