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García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2010): Meteorological observations during RUBY cruise from Madeira to Jamaica started at 1778-06-18 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751825, In: Jones, Philip D; Wheeler, Dennis A; Können, Gunther P; Koek, Frits B; Prieto, Maria del Rosario; García-Herrera, Ricardo (2007): Climatological observations from ship logbooks between 1750 and 1854 (release 2.1) [dataset publication series]. PANGAEA, https://doi.org/10.1594/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: 20.870000 * Median Longitude: -34.535357 * South-bound Latitude: 12.950000 * West-bound Longitude: -59.860000 * North-bound Latitude: 32.030000 * East-bound Longitude: -17.640000
Date/Time Start: 1778-06-18T13:00:00 * Date/Time End: 1778-07-19T00:00:00
Event(s):
Ruby_17780618_NMM_ADM/L/R99 * Latitude Start: 32.130000 * Longitude Start: -16.570000 * Latitude End: 17.700000 * Longitude End: -76.760000 * Date/Time Start: 1778-06-18T00:00:00 * Date/Time End: 1778-07-19T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Ruby (3rd Rate Frigate), Voyage: Madeira - Jamaica, 1st Observer: H. Ball (2nd Officer/Lieutenant), Company: Royal Navy, Other ship information: 64G 1369BM
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 DATE/TIMEDate/TimeGeocode
2 LATITUDELatitudeGeocode
3 LONGITUDELongitudeGeocode
4 Wind directiondddegWind 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 speedffm/scalculated from the descriptive terms of wind force given in the observations
6 LandmarkLandmarkName of first landmark
7 BearingBearingBearing of the first landmark
8 Distance to landmarkDistancearbitrary unitsDistance to the first landmark
9 --1 If position is considered to be coastal (in port or near coastal disturbances)
10 CourseCourseCourse of the ship during the past 24 hours
11 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
12 DeclinationDecldegIt 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 descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
14 Wind force descriptionWind force descrAll reported wind forces on this day
15 ClearnessClearness
16 GustsGusts1 If wind gusts are reported
17 Precipitation/RainRain1 If rain was reported
18 FogFog1 If fog was reported
19 Snow typeSnow1 If snow was reported
20 ThunderThunder1 If thunder and or lightning was reported
21 HailHail1 If hail was reported
22 Sea iceSea ice1 If sea-ice or icebergs were reported
23 CommentComment
24 IdentificationIDCLIWOC 2.1 line number
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
558 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 
Clearness		16 
Gusts
(1 If wind gusts are reported)		17 
Rain
(1 If rain was reported)		18 
Fog
(1 If fog was reported)		19 
Snow
(1 If snow was reported)		20 
Thunder
(1 If thunder and or lightning...)		21 
Hail
(1 If hail was reported)		22 
Sea ice
(1 If sea-ice or icebergs were...)		23 
Comment		24 
ID
(CLIWOC 2.1 line number)
1778-06-18T13:0032.03-17.641302.6MADEIRAN49E16S49W47.00-16ESE, VARIABLE, E, SEBSLIGHT BREEZES0000000217526
1778-06-19T13:0031.02-18.071081.0MADEIRAN42E28S23E36.00-16SEBELIGHT AIRSCLOUDY0000000217527
1778-06-20T13:0030.02-18.40291.0MADEIRAN30E49S15W66.00-16CALM, VARIABLE, NNE, NELIGHT AIRSCLOUDY0000000217528
1778-06-21T13:0029.02-18.79182.6MADEIRAN25:30E79S17W73.00-16ENE, NEBNLIGHT BREEZES0000000217529
1778-06-22T13:0028.27-18.7372.6PALMAE1/2N16-16NE, NNELIGHT BREEZES0000000217530
1778-06-23T13:0027.52-18.672882.6PALMAN52E38S53W113.00-16NE, VARIABLE, NWBWLIGHT BREEZES0000000217531
1778-06-24T13:0026.38-19.69872.6PALMAN46:30E67S39W86.00-14NE, EBSLIGHT BREEZES0000000217532
1778-06-25T13:0025.22-20.74202.6PALMAN44E96S39W91.00-14NEBNLIGHT BREEZES0000000217533
1778-06-26T13:0024.32-22.44656.7PALMAN48E131S60W107.00-14EBNMODERATECLOUDY0000000217534
1778-06-27T14:0023.35-24.3478PALMAN51E171S61W119.00-12ECLOUDY0000000217535
1778-06-28T14:0022.48-26.44579.3PALMAN54E211S66W128.00-11NE, ENEFRESH BREEZES0000000217536
1778-06-29T14:0021.57-28.75369.3PALMAN56E256N67W140.00-9NEFRESH BREEZES0000000217537
1778-06-30T14:0020.87-30.89599.3PALMAN58:17E297WBS3/4S126.00-9ENEFRESH BREEZES0000000217538
1778-07-01T14:0020.17-33.05509.3PALMAN59:50E338S71W128.00-6NEBEFRESH BREEZES0000000217539
1778-07-02T14:0019.52-35.17629.3PALMAN61E379S72W123.00-6ENEFRESH BREEZES0000000217540
1778-07-03T14:0018.83-36.97629.3PALMAN61:42E415S68W101.00-6ENEFRESH BREEZES0000000217541
1778-07-04T15:0018.35-38.75529.3PALMAN62:39E449S74W108.00-4ENE, NEBEFRESH BREEZES0000000217542
1778-07-05T15:0017.87-40.7464PALMAN63:38E485S74W115.00-4EBN, ENECLOUDY0000000217543
1778-07-06T15:0017.08-42.5767PALMAN63:48E524S65W112.00-1ENECLOUDY0000000217544
1778-07-07T15:0016.57-44.1278PALMAN64E555S70W95.00-1ENE, EBNCLOUDY0000000217545
1778-07-08T15:0016.10-45.1589PALMAN64E579S64W65.00-1EFAIR0000000217546
1778-07-09T15:0015.37-46.5589PALMAN64E608S60W92.00-1EFAIR0000000217547
1778-07-10T15:0014.28-48.4791PALMAN63:47E650S61W126.001EFAIR0000000a trivial correction was made in this observation217548
1778-07-11T15:0013.55-50.6291PALMAN44E691S69W124.001EFAIR0000000217549
1778-07-12T15:0012.97-52.0491PALMAN64:19E724S69W99.001EFAIR0000000217550
1778-07-13T16:0013.13-53.8992PALMAN65:40E754N85W108.002EFAIR0000000217551
1778-07-14T16:0012.95-55.4592PALMAN66E783S83W92.002EFAIR0000000217552
1778-07-15T00:00902.6NEEDHAMS FORTEBN01ELIGHT BREEZES0000000217553
1778-07-16T00:00562.6NORTH END OF BARBADOSNE1/4E4ESE, NEBELIGHT BREEZES0000000217554
1778-07-17T00:0014.033622.6BARBADOSSSE1/4E101VARIABLELIGHT BREEZES0000000217555
1778-07-18T16:0015.55-59.86942.6BARBADOSS6E51N91.004ELIGHT BREEZES0000000217556
1778-07-19T00:00909.3ANTIGUAWBN1/2N51EFRESH BREEZES0000000217557