Citation:

PANGAEA.611088

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Related to:

García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2005): CLIWOC: A Climatological Database for the World's Oceans 1750–1854 (and 10 more publications about CLIWOC results in the same volume). Climatic Change, 73(1-2), 1-12ff, https://doi.org/10.1007/s10584-005-6952-6

Project(s):

Climatological Database for the Worlds Oceans: 1750-1854 (CLIWOC)

Funding:

Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090 : Climatological Database for the Worlds Oceans: 1750-1854

Coverage:

Median Latitude: 17.419091 * Median Longitude: -60.885000 * South-bound Latitude: 14.280000 * West-bound Longitude: -63.150000 * North-bound Latitude: 20.200000 * East-bound Longitude: -58.370000

Date/Time Start: 1778-05-18T00:00:00 * Date/Time End: 1778-06-10T00:00:00

Event(s):

Aurora_17780518_NMM_ADM/L/A237 * Latitude Start: 16.990000 * Longitude Start: -61.770000 * Latitude End: 17.000000 * Longitude End: -60.500000 * Date/Time Start: 1778-05-18T00:00:00 * Date/Time End: 1778-06-10T00:00:00 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Aurora (5th Rate Frigate), Voyage: English Bay, Antigua - Antigua, 1st Observer: James Cumming (Captain), 2nd Observer: John Nicholas (1st Officer/Master), Company: Royal Navy, Other ship information: 32G 679BM

Parameter(s):

#	Name	Short Name	Unit	Comment
1	DATE/TIME	Date/Time		Geocode
2	LATITUDE	Latitude		Geocode
3	LONGITUDE	Longitude		Geocode
4	Wind direction	dd	deg	Wind direction (from which the wind is blowing) in whole degrees from: 1-360; 361 = calm, 362 = variable. It is not clear from many logbook entries whether the wind direction has been corrected for the magnetic variation (or declination). To avoid any misunderstanding, all winds from reports that included a valid position in the period 1750-1854 were corrected. All other wind directions are given without being corrected.
5	Wind speed	ff	m/s	calculated from the descriptive terms of wind force given in the observations
6	Landmark	Landmark		Name of first landmark
7	Bearing	Bearing		Bearing of the first landmark
8	Distance to landmark	Distance	arbitrary units	Distance to the first landmark
9	-	-		1 If position is considered to be coastal (in port or near coastal disturbances)
10	Course	Course		Course of the ship during the past 24 hours
11	Distance	Distance	arbitrary units	Distance travelled during the previous 24 hours
12	Declination	Decl	deg	It is generally accepted by the CLIWOC team that the wind directions, reported by the ships officers, were relative to the magnetic North direction. Navigators were well aware of the difference between the true and magnetic north direction, but the compasses (we assumed that the bearing-compasses were mostly used for determining the wind direction) were not always adjusted. Therefore the wind direction has to be corrected. The magnetic declination (or variation, as it is known on board ships) is given for the whole CLIWOC period (1750-1850) for every 5x5 degree square. The number was added to the wind direction to get the true wind direction.
13	Wind direction description	Wind dir descr		All reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
14	Wind force description	Wind force descr		All reported wind forces on this day
15	Present weather	ww		Weather description
16	Precipitation description	Precip descr
17	Clearness	Clearness
18	Gusts	Gusts		1 If wind gusts are reported
19	Precipitation/Rain	Rain		1 If rain was reported
20	Fog	Fog		1 If fog was reported
21	Snow type	Snow		1 If snow was reported
22	Thunder	Thunder		1 If thunder and or lightning was reported
23	Hail	Hail		1 If hail was reported
24	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
25	Identification	ID		CLIWOC 2.1 line number

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

447 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Date/Time	2 Latitude	3 Longitude	4 dd [deg] (Wind direction (from which th...)	5 ff [m/s] (calculated from the descripti...)	6 Landmark (Name of first landmark)	7 Bearing (Bearing of the first landmark)	8 Distance [arbitrary units] (Distance to the first landmark)	9 - (1 If position is considered t...)	10 Course (Course of the ship during the...)	11 Distance [arbitrary units] (Distance travelled during the...)	12 Decl [deg] (It is generally accepted by t...)	13 Wind dir descr (All reported wind directions ...)	14 Wind force descr (All reported wind forces on t...)	15 ww (Weather description)	16 Precip descr	17 Clearness	19 Rain (1 If rain was reported)	25 ID (CLIWOC 2.1 line number)
1778-05-18T00:00			90	2.6	ANGUILLA	NEBE	1	1				E	LIGHT BREEZES			HAZY	0	22821
1778-05-19T16:00	19.00	-62.79	94	6.7	ANGUILLA	S18W	15		N18E	46.00	4	E, SE, E	MODERATE			CLOUDY	0	22822
1778-05-20T16:00	19.13	-62.97	94	6.7	ST MARTINS	SWBS	10				4	E, SE, E	MODERATE			CLOUDY	0	22823
1778-05-21T16:00	19.27	-63.15	83	6.7	ST MARTINS	S1/2E	20		N1/2W	61.00	4	EBN	MODERATE			CLOUDY	0	22824
1778-05-22T16:00	20.20	-62.87	83	6.7	ST MARTINS	S1/2E	42		N4W	66.00	4	EBN	MODERATE			CLOUDY	0	22825
1778-05-23T16:00	19.63	-62.97	83	19.0	ST MARTINS	S1/4W	30		S24E	37.00	4	EBN	FRESH GALES			CLEAR	0	22826
1778-05-24T16:00	18.47	-62.33	70	6.7	ST MARTINS	S61W	15		S27E	79.00	2	ENE	MODERATE			HAZY WEATHER	0	22827
1778-05-25T16:00	18.72	-62.22	81	9.3	ST MARTINS	S52W	20		NNE	18.00	2	EBN	FRESH BREEZES			HAZY WEATHER	0	22828
1778-05-26T16:00	18.78	-61.98	92	6.7	ST MARTINS	S56W	24		N73E	14.00	2	E	MODERATE			CLOUDY	0	22829
1778-05-27T16:00	18.10	-61.52	81	6.7	ST MARTINS	W	29		SEBS	49.00	2	EBN	MODERATE			CLOUDY	0	22830
1778-05-28T16:00	16.65	-61.35	94	9.3	ANGUILLA	S	7				4	E	FRESH BREEZES			FAIR	0	22831
1778-05-29T16:00	17.58	-60.64	92	6.7	DESCADA	S86W	26		N16E	79.00	2	E	MODERATE			CLOUDY WEATHER	0	22832
1778-05-30T16:00	17.07	-60.64	94	9.3	DESCADA	S27W	16		S	32.00	4	ESE, E	FRESH BREEZES AND SQUALLY		RAIN		1	22833
1778-05-31T16:00	16.73	-60.29	94	6.7	DESCADA	S60W	16		S45E	28.00	4	E	MODERATE			CLOUDY WEATHER	0	22834
1778-06-01T16:00	16.05	-60.19	83	6.7	DESCADA	WNW	15		SSE	45.00	4	EBN	MODERATE			CLOUDY	0	22835
1778-06-02T16:00	14.67	-59.72	72	6.7	DESCADA	N37W	42		S22E	90.00	4	ENE	MODERATE			CLOUDY	0	22836
1778-06-03T16:00	14.77	-59.30	94	6.7	DESCADA	N47W	46		S77E	26.00	4	EBN, E	MODERATE		RAIN		1	22837
1778-06-04T16:00	14.28	-58.97	72	6.7	DESCADA	N44W	57		S35E	35.00	4	E, ENE	MODERATE		RAIN		1	22838
1778-06-05T16:00	16.10	-58.70	72	6.7	DESCADA	N84W	45		N8E	110.00	4	E, ENE	MODERATE			HAZY	0	22839
1778-06-06T16:00	17.37	-58.37	94	9.3	DESCADA	S68W	56		N14E	79.00	4	E	FRESH BREEZES	FAIR WEATHER			0	22840
1778-06-07T16:00	17.27	-58.54	117	6.7	DESCADA	S68W	52		S60W	12.00	4	ESE	MODERATE			HAZY WEATHER	0	22841
1778-06-08T16:00	16.83	-59.37	117	6.7	DESCADA	S74W	34		S62W	55.00	4	ESE	MODERATE			HAZY WEATHER	0	22842
1778-06-09T16:00	16.55	-60.59	117	6.7	DESCADA	W	9		S76W	72.00	4	ESE	MODERATE			HAZY WEATHER	0	22843
1778-06-10T00:00	16.83		113	6.7	DESCADA	SBE	9					ESE	MODERATE			HAZY WEATHER	0	22844