Sea Ledger, May 2000

2000-05-01 to 2000-05-31 · archive

issued: 480
warning-days in force: 6,595
in force at month end: 209
sea × type cells: 178

baseline: same month, previous 5 years (1999-05, 1998-05, 1997-05)

By type

type	issued	warning-days	in force at end
Cable ops	121	872.8	35
Surveys	78	495.2	13
Exercises	75	518.7	9
Nav aids	55	1,730.6	54
Incidents	51	714.1	22
Quakes	28	88	1
Other	25	605.5	22
Ordnance	12	358.9	12
Debris	10	26	1
Missiles	5	62	2
Wrecks	5	670.9	23
Spills	4	48	2
Derelicts	3	3	1
Icebergs	3	16.4	0
Containers	3	18.8	0
Structures	1	55.8	2
Mines	1	62	2
War risk	0	155	5
Restricted	0	31	1
Volcanic	0	62	2

By sea and type · 178 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Oceansurge	65	256.7	9	156	49× / 1.33
Surveys · Celtic Seasurge	31	69.8	0	—	31× / 1
Cable ops · North Atlantic Oceansurge	19	98.5	4	96	9.5× / 2
Exercises · North Pacific Oceansurge	19	74.9	2	32	4.1× / 4.67
Exercises · North Atlantic Oceansurge	16	127.1	0	—	6.0× / 2.67
Incidents · South Pacific Oceansurge	12	226.8	9	51	36× / 0.33
Surveys · North Seasurge	11	63.4	1	32	6.6× / 1.67
Cable ops · Celtic Seanew	11	37.1	2	37	new / 0
Nav aids · South Atlantic Oceansurge	9	213.2	6	152	3.4× / 2.67
Other · North Atlantic Oceansurgelong running	9	76	2	687	3.9× / 2.33
Exercises · Aegean Seasurge	8	119.7	4	150	4.8× / 1.67
Incidents · Indian Oceannew	8	79.1	7	34	new / 0
Cable ops · North Seasurge	8	32.3	3	24	4.0× / 2
Nav aids · North Seasurge	7	178.1	8	84	2.6× / 2.67
Incidents · North Atlantic Oceansurge	7	65.5	1	67	7.0× / 1
Surveys · Irish Sea and St. George's Channelnew	7	27.7	1	33	new / 0
Exercises · Adriatic Seasurge	7	17.6	0	—	10× / 0.67
Incidents · Coral Seanew	7	5.6	0	—	new / 0
Nav aids · Inner Seas off the West Coast of Scotlandsurgelong running	6	137.4	3	377	4.5× / 1.33
Incidents · South Atlantic Oceansurge	6	63.9	1	39	4.5× / 1.33
Exercises · Mediterranean Sea - Western Basinsurge	6	24.8	1	27	4.5× / 1.33
Quakes · South Pacific Ocean	6	18	0	—	0.7× / 9
Missiles · North Pacific Oceansurge	5	62	2	35	2.5× / 2
Surveys · Tyrrhenian Seasurge	5	51.1	3	34	5.0× / 1
Surveys · North Atlantic Oceansurge	5	13.5	0	—	7.5× / 0.67
Exercises · Gulf of Mexiconew	5	13.2	0	—	new / 0
Debris · Gulf of Mexiconew	5	10.4	0	—	new / 0
Other · South Pacific Oceannew	4	114.7	5	105	new / 0
Nav aids · English Channelsurge	4	44.4	0	—	4.0× / 1
Exercises · Tyrrhenian Seasurge	4	36.3	0	—	4.0× / 1
Surveys · Mediterranean Sea - Eastern Basinsurge	4	21.3	0	—	6.0× / 0.67
Nav aids · Persian Gulfnew	4	16.1	1	20	new / 0
Quakes · North Pacific Ocean	4	14.4	0	—	0.5× / 7.67
Nav aids · South Pacific Oceannew	3	135.3	5	298	new / 0
Incidents · North Pacific Ocean	3	79.1	2	66	0.6× / 4.67
Surveys · Adriatic Seanewlong running	3	76	3	439	new / 0
Nav aids · North Atlantic Oceanlong running	3	63.9	2	401	1.8× / 1.67
Nav aids · Celtic Seasurge	3	44.9	1	47	4.5× / 0.67
Surveys · Ionian Seanew	3	31.6	0	—	new / 0
Cable ops · South Pacific Oceannew	3	31	1	49	new / 0
Containers · North Atlantic Oceansurge	3	18.8	0	—	9.1× / 0.33
Cable ops · Mediterranean Sea - Western Basinnew	3	17.4	0	—	new / 0
Ordnance · Persian Gulfnew	3	10.6	0	—	new / 0
Quakes · Banda Seanew	3	9	0	—	new / 0
Quakes · Philippine Sea	3	9	0	—	1.5× / 2
Debris · North Atlantic Oceannew	3	6.7	0	—	new / 0
Cable ops · Mediterranean Sea - Eastern Basinnew	2	111.6	3	82	new / 0
Nav aids · Tyrrhenian Sea	2	90.2	3	88	1.5× / 1.33
Nav aids · Tasman Sea	2	87.9	3	288	3.0× / 0.67
Wrecks · South Pacific Oceannew	2	73.2	3	200	new / 0
Nav aids · Gulf of Sueznewlong running	2	60.7	2	726	new / 0
Exercises · Black Sea	2	50.4	2	36	6.1× / 0.33
Ordnance · Tyrrhenian Sea	2	40.2	2	209	6.1× / 0.33
Cable ops · Eastern China Sea	2	35	3	44	1.0× / 2
Ordnance · North Pacific Oceannew	2	31.9	2	24	new / 0
Surveys · South Atlantic Oceannew	2	27.3	1	14	new / 0
Spills · North Pacific Ocean	2	24	1	28	3.0× / 0.67
Icebergs · South Atlantic Oceannew	2	15.4	0	—	new / 0
Other · Tasman Seanew	2	13	1	12	new / 0
Surveys · Mediterranean Sea - Western Basin	2	8.2	2	6	1.2× / 1.67
Surveys · English Channel	2	7.4	0	—	1.5× / 1.33
Exercises · Mediterranean Sea - Eastern Basin	2	6.2	0	—	6.1× / 0.33
Quakes · Indian Ocean	2	6	0	—	0.6× / 3.33
Quakes · Molukka Seanew	2	6	0	—	new / 0
Cable ops · English Channel	2	5.8	1	36	2.0× / 1
Ordnance · Arabian Seanew	2	5.5	0	—	new / 0
Exercises · Ligurian Sea	2	4.5	0	—	1.5× / 1.33
Other · Bristol Channelnew	2	2.6	0	—	new / 0
Derelicts · North Atlantic Oceannew	2	2	1	16	new / 0
Incidents · Eastern China Seanew	2	1.1	0	—	new / 0
Nav aids · Gulf of Mexico	1	111.2	1	33	new / 0
Nav aids · North Pacific Ocean	1	93.1	3	78	1.0× / 1
Other · North Sealong running	1	62.9	2	398	1.5× / 0.67
Other · Adriatic Sealong running	1	58.3	2	1,262	1.0× / 1
Cable ops · Persian Gulf	1	49.8	2	90	3.0× / 0.33
Nav aids · Laccadive Sea	1	35.9	1	62	new / 0
Incidents · Arabian Sea	1	32.4	1	44	new / 0
Nav aids · Caribbean Sea	1	31	1	330	new / 0
Cable ops · Tasman Sea	1	31	1	182	new / 0
Nav aids · Irish Sea and St. George's Channel	1	28.3	1	28	new / 0
Incidents · South China Sea	1	25.6	0	—	3.0× / 0.33
Structures · South Pacific Ocean	1	24.8	1	24	new / 0
Wrecks · Red Sea	1	23	1	22	new / 0
Cable ops · North Pacific Ocean	1	20.2	0	—	new / 0
Surveys · Ligurian Sea	1	19.6	0	—	1.5× / 0.67
Cable ops · Norwegian Sea	1	18.6	1	18	new / 0
Spills · Gulf of Mexico	1	17	0	—	0.4× / 2.33
Nav aids · Black Sea	1	15.4	1	15	new / 0
Surveys · Inner Seas off the West Coast of Scotland	1	12.8	0	—	new / 0
Other · South Atlantic Ocean	1	12.7	1	33	new / 0
Other · Arabian Sea	1	9.4	1	9	new / 0
Surveys · Philippine Sea	1	7.6	1	7	new / 0
Exercises · Bay of Bengal	1	7.3	0	—	new / 0
Debris · South Atlantic Ocean	1	6.4	0	—	new / 0
Exercises · South Pacific Ocean	1	6.3	0	—	new / 0
Quakes · Bismarck Sea	1	5.9	0	—	0.5× / 2
Exercises · Japan Sea	1	5.3	0	—	new / 0
Exercises · South Atlantic Ocean	1	5.1	0	—	new / 0
Ordnance · South China Sea	1	4.9	0	—	new / 0
Wrecks · Arabian Sea	1	3.1	0	—	new / 0
Other · Mediterranean Sea - Western Basin	1	3.1	0	—	new / 0
Spills · Bering Sea	1	3	1	43	1.0× / 1
Quakes · Coral Sea	1	3	0	—	1.5× / 0.67
Quakes · Greenland Sea	1	3	0	—	new / 0
Quakes · Gulf of Alaska	1	3	0	—	1.0× / 1
Quakes · Ionian Sea	1	3	0	—	new / 0
Quakes · Mediterranean Sea - Eastern Basin	1	3	0	—	1.5× / 0.67
Quakes · North Atlantic Ocean	1	3	0	—	1.5× / 0.67
Ordnance · Gulf of Thailand	1	2.6	0	—	3.0× / 0.33
Debris · North Pacific Ocean	1	2.5	1	2	new / 0
Wrecks · Coral Sea	1	2.2	1	2	new / 0
Cable ops · Indian Ocean	1	1.7	1	1	3.0× / 0.33
Quakes · Southern Ocean	1	1.7	1	1	3.0× / 0.33
Icebergs · North Atlantic Ocean	1	1	0	—	0.4× / 2.33
Derelicts · South Atlantic Ocean	1	1	0	—	1.0× / 1
Nav aids · Bristol Channel	1	0.9	0	—	new / 0
Nav aids · Indian Ocean	1	0.9	1	0	new / 0
Other · Ligurian Sea	1	0.9	0	—	new / 0
Cable ops · Irish Sea and St. George's Channel	1	0.7	0	—	3.0× / 0.33
Nav aids · Philippine Sea	1	0.6	0	—	new / 0
Other · English Channel	1	0.5	0	—	new / 0
Ordnance · Greenland Sea	1	0.5	0	—	new / 0
Incidents · Sea of Okhotsk	1	0.3	0	—	new / 0
Nav aids · Bass Strait	1	0.2	0	—	1.5× / 0.67
Incidents · Great Australian Bight	1	0.2	0	—	new / 0
Other · Gulf of Aden	1	0.2	0	—	new / 0
Incidents · Arafura Sea	1	0.1	0	—	new / 0
Incidents · Aegean Sea	1	0	0	—	new / 0
Mines · North Pacific Ocean	1	0	0	—	new / 0
Ordnance · Adriatic Sea	0	231.7	7	355	0.0× / 5
War risk · Persian Gulf	0	124	4	118	— / 0
Wrecks · South China Sea	0	124	4	232	— / 0
Nav aids · Coral Sea	0	93	3	349	— / 0
Wrecks · English Channel	0	93	3	336	— / 0
Other · Gulf of Mexico	0	62	2	65	— / 0
Wrecks · Kattegat	0	62	2	63	— / 0
Nav aids · Malacca Strait	0	62	2	229	— / 0
Wrecks · North Atlantic Ocean	0	62	2	358	— / 0
Volcanic · North Pacific Oceanlong running	0	62	2	488	0.0× / 0.33
Mines · North Sealong running	0	62	2	812	0.0× / 0.33
Wrecks · North Sea	0	62	2	197	— / 0
Other · Persian Gulf	0	62	2	116	— / 0
Wrecks · Tyrrhenian Sealong running	0	62	2	587	— / 0
Incidents · Bay of Bengal	0	55.2	0	—	— / 0
Incidents · Philippine Sea	0	49.4	1	55	0.0× / 1.67
Nav aids · Adriatic Sealong running	0	31	1	435	— / 0
War risk · Adriatic Sealong running	0	31	1	412	— / 0
Wrecks · Adriatic Sea	0	31	1	107	— / 0
Nav aids · Andaman or Burma Sea	0	31	1	64	— / 0
Cable ops · Bass Strait	0	31	1	36	— / 0
Nav aids · Bay of Bengal	0	31	1	239	— / 0
Other · Gulf of California	0	31	1	65	— / 0
Cable ops · Gulf of Guinea	0	31	1	47	— / 0
Cable ops · Gulf of Oman	0	31	1	41	— / 0
Wrecks · Gulf of Thailand	0	31	1	233	— / 0
Other · Indian Ocean	0	31	1	91	— / 0
Wrecks · Irish Sea and St. George's Channel	0	31	1	111	— / 0
Ordnance · North Atlantic Ocean	0	31	1	43	0.0× / 0.33
Restricted · North Atlantic Oceanlong running	0	31	1	806	— / 0
Surveys · North Pacific Ocean	0	31	1	67	— / 0
Other · Red Sealong running	0	31	1	1,636	— / 0
Cable ops · Singapore Strait	0	31	1	114	— / 0
Nav aids · South China Sea	0	31	1	364	— / 0
Other · South China Sea	0	31	1	281	— / 0
Structures · South China Sea	0	31	1	322	— / 0
Nav aids · Southern Ocean	0	31	1	126	— / 0
Nav aids · Timor Sea	0	31	1	127	— / 0
Surveys · Indian Ocean	0	25.4	0	—	— / 0
Incidents · Malacca Strait	0	25.4	0	—	— / 0
Exercises · Norwegian Sea	0	20	0	—	— / 0
Wrecks · Malacca Strait	0	11.4	0	—	— / 0
Incidents · Japan Sea	0	4.4	0	—	— / 0
Other · Eastern China Sea	0	3.2	0	—	— / 0
Spills · Gulf of Alaska	0	3	0	—	0.0× / 0.33
Surveys · Bristol Channel	0	1.5	0	—	— / 0
Cable ops · Arabian Sea	0	1.2	0	—	— / 0
Spills · North Atlantic Ocean	0	1	0	—	0.0× / 2.67
Cable ops · Malacca Strait	0	0.2	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2000-05, 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.