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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 LEVIATHAN cruise from Gibraltar to Martinique started at 1800-06-20 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.750436, 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
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090: Climatological Database for the Worlds Oceans: 1750-1854
Coverage:
Median Latitude: 18.409756 * Median Longitude: -40.390488 * South-bound Latitude: 6.550000 * West-bound Longitude: -59.550000 * North-bound Latitude: 35.820000 * East-bound Longitude: -7.800000
Date/Time Start: 1800-06-20T13:00:00 * Date/Time End: 1800-09-04T16:00:00
Event(s):
Leviathan_18000620_NMM_ADM/L/L108 * Latitude Start: 35.970000 * Longitude Start: -5.550000 * Latitude End: 14.690000 * Longitude End: -60.570000 * Date/Time Start: 1800-06-20T00:00:00 * Date/Time End: 1800-09-04T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Leviathan (3rd Rate Frigate), Voyage: Gibraltar - Martinique, 1st Observer: James Bower (Captain), Company: Royal Navy, Other ship information: 74G 1703BM
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DATE/TIMEDate/TimeGeocode
LATITUDELatitudeGeocode
LONGITUDELongitudeGeocode
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.
Wind speedffm/scalculated from the descriptive terms of wind force given in the observations
LandmarkLandmarkName of first landmark
BearingBearingBearing of the first landmark
Distance to landmarkDistancearbitrary unitsDistance to the first landmark
CourseCourseCourse of the ship during the past 24 hours
10 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
11 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.
12 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.
13 Wind force descriptionWind force descrAll reported wind forces on this day
14 Precipitation descriptionPrecip descr
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 IdentificationIDCLIWOC 2.1 line number
Size:
786 data points

Data

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


Date/Time

Latitude

Longitude

dd [deg]
(Wind direction (from which th...)

ff [m/s]
(calculated from the descripti...)

Landmark
(Name of first landmark)

Bearing
(Bearing of the first landmark)

Distance [arbitrary units]
(Distance to the first landmark)

Course
(Course of the ship during the...)
10 
Distance [arbitrary units]
(Distance travelled during the...)
11 
Decl [deg]
(It is generally accepted by t...)
12 
Wind dir descr
(All reported wind directions ...)
13 
Wind force descr
(All reported wind forces on t...)
14 
Precip descr
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 
ID
(CLIWOC 2.1 line number)
1800-06-20T13:0035.58-7.80699.3CAPE ST VINCENTN32W34S82W101.00-21S, SW, EFRESH BREEZESHAZY0000000149485
1800-06-21T13:0035.82-8.272492.6PORTO SANCTOS67W145S57W26.00-21WLIGHT BREEZESHAZY0000000149486
1800-06-22T13:0034.62-10.173286.7MADEIRAS70W128S52W117.00-21N11WMODERATE BREEZESHAZY0000000149487
1800-06-23T13:0033.57-12.533506.7MADEIRAS74W84S62W133.00-21NBEMODERATE BREEZESHAZY0000000149488
1800-06-24T13:0032.35-15.4739.3FUNCHALS78W28S68W165.00-20NNEFRESH BREEZESCLOUDY0000000149489
1800-06-25T13:0031.38-17.7746.7MARTINIQUES67W860S51W81.00-19NNEMODERATE BREEZESHAZY0000000149490
1800-06-26T13:0030.42-19.00492.6MARTINIQUES68W841S47W85.00-19ENEMODERATE BREEZES, AM LIGHT BREEZESHAZY0000000149491
1800-06-27T13:0029.50-20.131392.6MARTINIQUES68W819S47W81.00-19SSELIGHT BREEZESHAZY0000000149492
1800-06-28T13:0028.70-21.20941.0MARTINIQUES69W797S49W74.00-19ESELIGHT AIRSHAZY0000000149493
1800-06-29T14:0027.57-22.60506.7MARTINIQUES70W744S48W101.00-18ENEMODERATE BREEZESHAZY0000000149494
1800-06-30T14:0025.50-24.95749.3MARTINIQUES71W717S51W163.00-16EFRESH BREEZESCLOUDY0000000149495
1800-07-01T14:0024.05-27.60549.3MARTINIQUES73W661S53W180.00-14ENEFRESH BREEZESHAZY0000000149496
1800-07-02T14:0022.50-29.83569.3MARTINIQUES75W621S53W154.00-12ENEFRESH BREEZESCLOUDY0000000149497
1800-07-03T14:0021.20-31.73569.3MARTINIQUES77W573S53W131.00-12ENEFRESH BREEZESCLOUDY0000000149498
1800-07-04T14:0020.00-33.57586.7MARTINIQUES78W538S55W125.00-10ENEMODERATECLOUDY0000000149499
1800-07-05T14:0018.77-35.52586.7MARTINIQUES80W494S56W133.00-10ENEMODERATECLOUDY0000000149500
1800-07-06T15:0017.95-37.68616.7MARTINIQUES81W440S69W137.00-7ENEMODERATE BREEZESHAZY0000000149501
1800-07-07T15:0017.20-40.05746.7MARTINIQUES83W406S71:30W143.00-5EBNMODERATECLOUDY0000000149502
1800-07-08T15:0016.38-40.83636.7MARTINIQUES84W353S73W167.00-5ENEMODERATEHAZY THEN CLOUDY0000000149503
1800-07-09T15:0015.55-45.60659.3MARTINIQUES86W300S72:30W167.00-3ENEFRESH BREEZESSMALL RAIN0100000149504
1800-07-10T15:0014.92-48.23676.7MARTINIQUES88W248S76W157.00-1ENEMODERATE BREEZESCLOUDY0000000149505
1800-07-11T15:0014.88-49.93676.7MARTINIQUES88W216S89W99.00-1ENEMODERATEHAZY0000000149506
1800-07-12T15:0014.85-51.451126.7MARTINIQUES88W185S89W89.00-1E, ESELIGHT BREEZES, AM MODERATECLOUDY0000000149507
1800-07-13T16:0014.75-53.72916.7MARTINIQUES89W141S87W132.001EMODERATE BREEZESRAINHAZY0100000149508
1800-07-14T16:0014.72-56.27699.3SE PT SALINES86W92W148.001ENEFRESH BREEZESCLOUDY0000000149509
1800-07-15T16:0014.67-58.75589.3PT SALINES83W43W144.002NEBEFRESH BREEZESCLOUDY0000000149510
1800-07-16T16:0014.75-59.55706.7PT SALINES76W28N88W123.002ENEMODERATECLOUDY0000000149511
1800-08-22T16:0013.27-59.221156.7SURINAMS28:30E140N66E39.002ESEMODERATE BREEZES AND SQUALLYRAIN0100000149512
1800-08-23T16:0012.38-57.98949.3SURINAMS22:36E127S54E90.004NE, ELIGHT BREEZES THEN FRESH BREEZESCLOUDY THEN HAZY0000000149513
1800-08-24T16:0011.20-56.57709.3SURINAMS14:40E97S49E110.002E, ENEFRESH BREEZES AND SQUALLYRAINHAZY0100000149514
1800-08-25T16:0011.08-56.25816.7SURINAMS9E93S69E19.002NE, EBNMODERATE AND SQUALLYRAINCLOUDY0100000149515
1800-08-26T16:0011.12-55.483626.7SURINAMS92N67W43.002VARIABLELIGHT BREEZES, CALM THEN MODERATECLOUDY0000000149516
1800-08-27T16:0010.25-54.90816.7SURINAMS14W77S33E62.002EBNLIGHT AIRS THEN MODERATE BREEZESCLOUDY THEN HAZY0000000149517
1800-08-28T16:009.00-54.527019.0SURINAMS21:30W47S17E78.002NBE, SSW, ENEMODERATE BREEZES, MODERATE WITH A HEAVY SQUALLS, THEN FRESH GALES AND SQUALLYRAINHAZY0100000149518
1800-08-29T16:008.22-54.37476.7SURINAMS19:20W16S11E48.002E, NEMODERATE AND SQUALLYRAINCLOUDY0100000149519
1800-08-30T16:008.28-54.281379.3SURINAMS21W16N52E7.002SEMODERATE, AM FRESH BREEZES AND SQUALLYRAINCLOUDY0100000149520
1800-08-31T16:008.20-54.281156.7SURINAMS22W16S5.002ESEMODERATECLOUDY0000000149521
1800-09-01T16:008.50-54.221372.6SURINAMS21W54N11E19.002NWBN, E, SESQUALLY THEN LIGHT BREEZESRAIN0100000149522
1800-09-02T16:007.88-54.171486.7SURINAMS27W43S4E37.002SEBSMODERATECLOUDY0000000149523
1800-09-03T16:006.72-54.001166.7SURINAMS58W27S8E71.003ESEMODERATE BREEZES AND SQUALLYRAINCLOUDY0100000149524
1800-09-04T16:006.55-55.571386.7SURINAMS39E13S84W95.003SEMODERATECLOUDY0000000149525