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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 TRUSTY cruise from Plymouth to Table Bay started at 1797-02-23 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752534, 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: -1.166522 * Median Longitude: -12.303188 * South-bound Latitude: -35.930000 * West-bound Longitude: -26.400000 * North-bound Latitude: 49.380000 * East-bound Longitude: 17.580000
Date/Time Start: 1797-02-23T12:00:00 * Date/Time End: 1797-05-02T11:00:00
Event(s):
Trusty_17970223_NMM_ADM/L/T264 * Latitude Start: 50.299000 * Longitude Start: -4.150000 * Latitude End: -34.430000 * Longitude End: 16.950000 * Date/Time Start: 1797-02-23T00:00:00 * Date/Time End: 1797-05-02T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Trusty (4th Rate Frigate), Voyage: Plymouth - Table Bay, 1st Observer: John Osborn (Captain), Company: Royal Navy, Other ship information: 50G 1080BM
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 State of the sea descriptionState sea descr
16 ClearnessClearness
17 GustsGusts1 If wind gusts are reported
18 Precipitation/RainRain1 If rain was reported
19 FogFog1 If fog was reported
20 Snow typeSnow1 If snow was reported
21 ThunderThunder1 If thunder and or lightning was reported
22 HailHail1 If hail was reported
23 Sea iceSea ice1 If sea-ice or icebergs were reported
24 IdentificationIDCLIWOC 2.1 line number
Size:
1319 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 
State sea descr
16 
Clearness
17 
Gusts
(1 If wind gusts are reported)
18 
Rain
(1 If rain was reported)
19 
Fog
(1 If fog was reported)
20 
Snow
(1 If snow was reported)
21 
Thunder
(1 If thunder and or lightning...)
22 
Hail
(1 If hail was reported)
23 
Sea ice
(1 If sea-ice or icebergs were...)
24 
ID
(CLIWOC 2.1 line number)
1797-02-23T12:0049.38-5.701116.7SCILLYN51:27W18S29W38.00-24SBE, SEMODERATEHAZY0000000259355
1797-02-24T13:0048.48-7.821772.6SCILLYN28E33S54W93.00-26SSE, SE, SSWMODERATE, AM LIGHT WINDSHEAVY SWELL FROM WHAZY, AM CLEAR0000000259356
1797-02-25T13:0046.68-11.181116.7CAPE FINISTERRES21E82S52W173.00-24SEMODERATECLEAR0000000259357
1797-02-26T13:0044.40-12.681116.7CAPE FINISTERRES58E58S25W150.00-24ESE, SEFRESH BREEZES, AM MODERATECLEAR, AM FAIR0000000259358
1797-02-27T13:0043.00-13.77896.7CAPE FINISTERRES87:40E66S29W96.00-24ESEMODERATECLEAR0000000259359
1797-02-28T13:0042.03-14.43911.0CAPE FINISTERRES77:30E77S27W65.00-22N, ENE, ESELIGHT WINDS, AM LIGHT AIRSCLEAR, AM HAZY0000000259360
1797-03-01T13:0040.43-15.602716.7PORTO SANCTOS5W150S29W110.00-22NWBW, NNW, WNWLIGHT WINDS, AM MODERATEHEAVY SWELL FROM NWCLEAR0000000259361
1797-03-02T13:0038.73-15.683166.7PORTO SANCTOS5:53W116S2:30W102.00-22NWBN, WSW, SWBW, NNWFRESH GALES AND SQUALLY, AM MODERATEHEAVY SWELL FROM NW0000000259362
1797-03-03T13:0037.95-14.422149.3PORTO SANCTOS18:6W105S53E74.00-22WBS, WNW, SWBWFRESH BREEZES AND SQUALLY, AM STRONG GALES AND SQUALLY, FRESH BREEZES AND SQUALLYNOON RAIN0100000259363
1797-03-04T13:0036.80-14.172496.7PORTO SANCTOS25:7W87S9:30E71.00-21NWBN, WFRESH GALES AND SQUALLY, MODERATECLOUDY0000000259364
1797-03-05T13:0035.87-14.723176.7PORTO SANCTOS25:48W64S26W61.00-21WSW, N, NNWSTRONG GALES AND SQUALLY, MODERATE AND SQUALLYCLOUDY0000000259365
1797-03-06T13:0035.65-16.032040.6PORTO SANCTOS6:44W54S78W65.00-21SWBS, SSW, SWBS, SWLIGHT AIRS INCLINING TO CALMS0000000259366
1797-03-07T13:0035.78-16.9518212.3MADEIRAS6:57W66N80W46.00-21SBW, SE, SSWSTRONG BREEZES AND SQUALLY0000000259367
1797-03-08T13:0033.78-19.30115MADEIRAS50:36E35S44W166.00-20ESE, ENE, SEMODERATE BREEZES, NOON SQUALLYCLOUDY0000000259368
1797-03-09T13:0031.00-20.752712.3FERROS37:48E82S24W183.00-18NEFRESH WINDSHEAVY SWELL FROM NCLOUDY0000000259369
1797-03-10T13:0028.47-21.78279.3FERROS78:27E70S21W163.00-18SE, NEFRESH BREEZESHAZY0000000259370
1797-03-11T14:0026.02-22.97306.7ST ANTHONYSS10:52W181S22W158.00-15NEMODERATECLEAR0000000259371
1797-03-12T14:0024.22-23.53306.7ST ANTHONYSS9:32W143S16W112.00-15N, NW, NEMODERATECLEAR0000000259372
1797-03-13T14:0021.67-24.43301ST ANTHONYSS4:23W91S18W161.00-14NNW, NWSQUALLY, MODERATE, AM SQUALLYRAIN, AM SHOWERSFAIR0100000259373
1797-03-14T14:0020.17-25.282791.0ST ANTHONYSS8:38E61S28W102.00-14NW, NNE, NE, WNWMODERATE BREEZES AND SQUALLY, NOON LIGHT AIRS INCLINING TO CALMS0000000259374
1797-03-15T14:0019.03-26.023242.6ST ANTHONYSS31:30E44S31W82.00-14EBN, E, NNWLIGHT WINDSCLEAR0000000259375
1797-03-16T14:0017.37-26.15331.0ST ANTHONYSSEBE18S39W105.00-12EBN, NELIGHT AIRSCLEAR0000000259376
1797-03-17T14:0015.03-26.40562.6ST JAGOS87E57S6W142.00-12ENEFRESH BREEZES, AM LIGHT WINDSCLOUDY, AM CLEAR0000000259377
1797-03-18T14:0012.97-25.63676.7BRAVAN27E42S22E132.00-12E, EBNMODERATECLEAR, AM CLOUDY0000000259378
1797-03-19T14:0010.88-24.15232.6COURSE TO 20DEG W ON EQUATORS20E232SEBS150.00-11E, NEBNLIGHT WINDSCLEAR0000000259379
1797-03-20T13:008.93-22.05659.3COURSE TO 18DEG W ON LINES24:8W196S47E171.00-14NE, EBNFRESH BREEZES, AM STRONG BREEZES AND SQUALLY, FRESH BREEZESCLOUDY0000000259380
1797-03-21T13:007.17-20.73436.7COURSE TO 20DEG W ON LINES1/2E145S41E142.00-13NE, NEBEFRESH BREEZES, AM MODERATECLOUDY0000000259381
1797-03-22T13:005.32-19.97326.7COURSE TO 20DEG W ON LINES106SSE120.00-13NEMODERATEHAZY0000000259382
1797-03-23T13:003.25-19.30106.7COURSE TO 20DEG W ON LINES12W67S18E129.00-13NNEMODERATEFAIR0000000259383
1797-03-24T13:001.70-18.633312.3COURSE TO 19DEG W ON LINES27W38SSE104.00-12NNE, NEFRESH WINDSCLEAR0000000259384
1797-03-25T13:000.70-18.22332.6ISLE OF VAILLANTS26W25S23E63.00-12WBS, NNW, VARIABLE, NELIGHT WINDS, NOON LIGHT BREEZESCLEAR, NOON CLOUDY0000100259385
1797-03-26T13:000.33-17.533036.7ISLE OF VAILLANTS60W29S59E47.00-12SSW, SWBS, NWLIGHT AIRS AND VARIABLE, NOON MODERATENOON CLOUDY0000000259386
1797-03-27T13:00-0.15-16.872000.6ISLE OF VAILLANTS83W38S54E49.00-14SW, SSW, NBE, SWBSFRESH WINDS, MODERATE, AM SQUALLY, LIGHT AIRS INCLINING TO CALMSAM SHOWERS OF RAINCLEAR, CLOUDY1100100259387
1797-03-28T13:00-1.55-16.873466.7ASCENSIONS25E142S83.00-14WNW, NE, NLIGHT WINDS, FRESH WINDS, NOON MODERATERAINNOON CLOUDY0100000259388
1797-03-29T13:00-2.42-16.871210.0TRINIDADAS36W442S53.00-14SWBW, E, ENE, SELIGHT WINDS, AM CALMCLOUDY0000000259389
1797-03-30T13:00-4.78-17.671586.7TRINIDADAS38:30W394S19W150.00-11SE, SEBS, SBEMODERATECLOUDY0000000259390
1797-03-31T13:00-6.17-18.281476.7TRINIDADAS40W365S24W90.00-11SEBS, E, SE, SSEFRESH BREEZES, AM LIGHT AIRS INCLINING TO CALMS, NOON MODERATEHAZY, AM CLOUDY0000000259391
1797-04-01T13:00-7.88-19.281486.7TRINIDADAS41W328S31W117.00-10SEBS, SE, SSEMODERATECLEAR0000000259392
1797-04-02T13:00-9.95-19.8512512.3TRINIDADAS41:25W275S16W128.00-10SEBS, SSE, SEFRESH WINDSCLEAR0000000259393
1797-04-03T13:00-11.57-20.131149.3TRINIDADAS47W255S10W95.00-10ESE, EBS, SEBELIGHT WINDS, AM FRESH BREEZES AND SQUALLYAM RAINCLEAR0100000259394
1797-04-04T13:00-13.80-20.13819.3TRINIDADAS56W233S134.00-9SEBE, EBN, SEBE, EFRESH BREEZES AND SQUALLYAM RAIN0100000259395
1797-04-05T13:00-16.55-20.13115TRINIDADAS67W190S165.00-9E, ESE, SEBEFRESH WINDS, AM SQUALLYAM SHOWERSCLEAR1000000259396
1797-04-06T13:00-19.20-19.521059.3TRINIDADAS83:21W181S13E161.00-8EBS, E, ESEFRESH BREEZESHAZY0000000259397
1797-04-07T13:00-21.13-19.387112.3CAPE OF GOOD HOPES69E745S4E107.00-8E, SEBE, EBNMODERATE, LIGHT BREEZES, AM FRESH WINDSFAIR, AM CLOUDY0000000259398
1797-04-08T13:00-22.93-19.3011712.3CAPE OF GOOD HOPES71:26E736S2:3E107.00-7SE, ESE, SEBEFRESH WINDS, LIGHT AIRS AND SQUALLY, AM FRESH WINDSAM RAINCLEAR0100000259399
1797-04-09T13:00-24.60-18.37839.3CAPE OF GOOD HOPES73:30E696S27E112.00-7EBS, EBN, ELIGHT WINDS, AM FRESH BREEZESHAZY0000000259400
1797-04-10T13:00-26.12-16.87466.7CAPE OF GOOD HOPES75:15E657S42E123.00-10ENE, NEBEMODERATEFAIR0000000259401
1797-04-11T13:00-26.87-14.43132.6CAPE OF GOOD HOPES75:27E606S71E139.00-10NBE, NNEFRESH BREEZES, NOON LIGHT WINDS AND SQUALLYCLEAR0000000259402
1797-04-12T13:00-27.35-12.4010CAPE OF GOOD HOPES75:36E573S75E113.00-13NNW, NNEMODERATE, AM LIGHT WINDS, NOON SQUALLYHAZY0000000259403
1797-04-13T13:00-27.45-11.872352.6CAPE OF GOOD HOPES75:34E564S78E30.00-13SEBS, ESE, WSWLIGHT BREEZESHAZY, NOON FAIR0000000259404
1797-04-14T13:00-28.35-11.07112.6CAPE OF GOOD HOPES76:58E544S39E69.00-12EBN, NEBE, NNELIGHT AIRS, AM LIGHT WINDSAM RAINHAZY0100000259405
1797-04-15T13:00-29.40-9.83446.7CAPE OF GOOD HOPES78:39E517SE92.00-12N, NW, NEBESQUALLY AND VARIABLE, FRESH BREEZES, AM MODERATECONSTANT RAINAM FAIR0100000259406
1797-04-16T13:00-30.05-8.973141.0CAPE OF GOOD HOPES79:45E498S48E60.00-12NW, N, NWBNLIGHT AIRSCLOUDY, AM FAIR0000000259407
1797-04-17T12:00-31.38-7.303236.7CAPE OF GOOD HOPES82:18E463S47E118.00-15N, NNE, NNWLIGHT BREEZES, AM MODERATESWELL FROM SWBWFAIR0000000259408
1797-04-18T12:00-33.17-5.103479.3CAPE OF GOOD HOPES86:22E416S46E156.00-13NNE, NEBE, NMODERATE, FRESH BREEZESFAIR, AM CLOUDY0000000259409
1797-04-19T12:00-34.47-0.9079.3CAPE OF GOOD HOPEE345S69:30E223.00-16NBE, NNEFRESH BREEZESCLOUDY0000000259410
1797-04-20T12:00-34.532.423552.6CAPE OF GOOD HOPEE284S88E166.00-16W, NBESTRONG BREEZES, AM SQUALLY, MODERATE, LIGHT WINDSCLOUDY, AM FAIR0000000259411
1797-04-21T12:00-34.474.672742.6CAPE OF GOOD HOPEE246N88E112.00-19SSW, SBE, WNWSQUALLY, AM LIGHT WINDSRAINSWELL FROM SWAM CLOUDY0100000259412
1797-04-22T12:00-34.575.371391.0CAPE OF GOOD HOPEE228S80E35.00-19SW, SBE, SSELIGHT BREEZES INCLINING TO CALMS, SQUALLY, LIGHT AIRSSWELL FROM SWAM DARK CLOUDY & HAZY WEATHER0000000259413
1797-04-23T12:00-34.206.471619.3CAPE OF GOOD HOPES88:26E207N69E59.00-19SSE, SBE, SE, SLIGHT AIRS, FRESH BREEZES,CLOUDY0000000259414
1797-04-24T12:00-35.935.981169.3CAPE OF GOOD HOPES82:27E221S13W106.00-19SEBS, SEMODERATE, AM FRESH BREEZESHAZY, AM CLOUDY0000000259415
1797-04-25T12:00-35.726.501169.3CAPE OF GOOD HOPEN83:12E209N65E29.00-19SEBS, SEBE, SEFRESH BREEZESCLOUDY0000000259416
1797-04-26T12:00-34.607.451162.6CAPE OF GOOD HOPES89:21E197N35E79.00-19SEBS, SSE, SEFRESH BREEZES, AM LIGHT WINDSCLOUDY0000000259417
1797-04-27T11:00-33.878.331249.3CAPE OF GOOD HOPES86:5E181NE62.00-22SBE, S, SSE, SEBSMODERATE, MODERATE BREEZES, AM FRESH BREEZESSWELL FROM SECLOUDY0000000259418
1797-04-28T11:00-33.538.851580.6CAPE OF GOOD HOPES84E180N53E33.00-22SBE, SBW, SLIGHT AIRS INCLINABLE TO CALMSSWELL FROM SE0000000259419
1797-04-29T11:00-33.329.531921.0CAPE OF GOOD HOPES81E153N69E36.00-22WSW, WNW, WBS, SWBSLIGHT AIRS, CALM, AM LIGHT AIRSCLOUDY0000000259420
1797-04-30T11:00-33.6711.021819.3CAPE OF GOOD HOPES82:23E123S74E77.00-22NEBN, NNE, SSWLIGHT AIRS, AM MODERATE, FRESH BREEZESCLOUDY0000000259421
1797-05-01T11:00-34.2014.271012.3CAPE OF GOOD HOPES85:15E70EBS165.00-24NNE, NEBE, SW, NEBNMODERATE BREEZES AND SQUALLY, AM MODERATE, FRESH WINDS AND SQUALLYAM RAIN0100000259422
1797-05-02T11:00-33.7817.581889.3CAPE OF GOOD HOPES61E29N81:30E166.00-26SSE, SBE, SWBSFRESH BREEZES AND SQUALLY0000000259423