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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 ELTHAM cruise from Table Bay to Lisbon started at 1750-01-25 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.746917, 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: 8.721067 * Median Longitude: -17.971333 * South-bound Latitude: -33.770000 * West-bound Longitude: -33.690000 * North-bound Latitude: 42.550000 * East-bound Longitude: 17.060000
Event(s):
Eltham_17500125_NMM_ADM/L/E95 * Latitude Start: -34.430000 * Longitude Start: 16.950000 * Latitude End: 38.530000 * Longitude End: -9.740000 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Eltham, Start of voyage: 1750-02-05, End of voyage: 1750-04-20, Voyage: Table Bay - Lisbon, 1st Observer: John Lloyd (Captain), 2nd Observer: Samuel Wallis (Observer) (2nd Officer/Lieutenant), Company: Royal Navy, Other ship information: 44G. 678BM
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Date/time startDate/time start
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
LandmarkLandmarkName of second landmark
10 BearingBearingBearing of the second landmark
11 Distance to landmarkDistancearbitrary unitsDistance to the second landmark
12 CourseCourseCourse of the ship during the past 24 hours
13 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
14 CommentCommentAny remark, found in the logbook on this particular day, about the ship, sails, rigging, etc.
15 CommentCommentOther remarks, that were not possible to put in the other remark fields
16 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.
17 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.
18 Wind force descriptionWind force descrAll reported wind forces on this day
19 Present weatherwwWeather description
20 Precipitation descriptionPrecip descr
21 State of the sea descriptionState sea descr
22 ClearnessClearness
23 GustsGusts1 If wind gusts are reported
24 Precipitation/RainRain1 If rain was reported
25 FogFog1 If fog was reported
26 Snow typeSnow1 If snow was reported
27 ThunderThunder1 If thunder and or lightning was reported
28 HailHail1 If hail was reported
29 Sea iceSea ice1 If sea-ice or icebergs were reported
30 CommentComment
31 IdentificationIDCLIWOC 2.1 line number
Size:
1506 data points

Data

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


Date/time start

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)

Landmark
(Name of second landmark)
10 
Bearing
(Bearing of the second landmark)
11 
Distance [arbitrary units]
(Distance to the second landmark)
12 
Course
(Course of the ship during the...)
13 
Distance [arbitrary units]
(Distance travelled during the...)
14 
Comment
(Any remark, found in the logb...)
15 
Comment
(Other remarks, that were not ...)
16 
Decl [deg]
(It is generally accepted by t...)
17 
Wind dir descr
(All reported wind directions ...)
18 
Wind force descr
(All reported wind forces on t...)
19 
ww
(Weather description)
20 
Precip descr
21 
State sea descr
22 
Clearness
23 
Gusts
(1 If wind gusts are reported)
24 
Rain
(1 If rain was reported)
25 
Fog
(1 If fog was reported)
26 
Snow
(1 If snow was reported)
27 
Thunder
(1 If thunder and or lightning...)
28 
Hail
(1 If hail was reported)
29 
Sea ice
(1 If sea-ice or icebergs were...)
30 
Comment
31 
ID
(CLIWOC 2.1 line number)
1750-02-05T11:00-33.7717.0666.7PENGUIN ISLANDS73:00E23N78:00W69.00-17WBS NWBN NBE, N, NNE, N, NNELIGHT TO MODERATEFIRST PART HAZY, MIDDLE TO LATTER PARTS THICK FOGHAZY0010000a trivial correction was made in this observation89420
1750-02-06T11:00-32.9016.713216.7PENGUIN ISLANDS51:36E41N19:00W55.00-17N, W, NNWMODERATE BREEZEHAZY (SO MUCH SO THAT HE LOSES SIGHT OF THE FLEET0000000a trivial correction was made in this observation89421
1750-02-07T11:00-31.2715.61208PENGUIN ISLANDS40:37E73N30:00W114.00-17NW, W, SWFIRST PART LIGHT BREEZEFAIRSWELL FROM SWFAIR0000000a trivial correction was made in this observation89422
1750-02-08T11:00-29.0013.3814119.0PENGUIN ISLANDS40:36E132N40:24W179.00-17S, SSEFIRST PART MODERATE, MIDDLE AND LATTER PARTS FRESH GALESSQUALLYSWELL FROM SE0000000a trivial correction was made in this observation89423
1750-02-09T11:00-26.5010.9117519.0PENGUIN ISLANDS40:46E198N41:00W199.00-16SSE, S, SBWFRESH GALESCLOUDY0000000a trivial correction was made in this observation89424
1750-02-10T11:00-24.909.461642.6PENGUIN ISLANDS40:32E239NW1/2N124.00-16S, SBW, SBE, SFIRST AND MIDDLE MODERATE, LATTER LIGHT BREEZEFIRST AND MIDDLE HAZY, LATTER CLOUDY0000000a trivial correction was made in this observation89425
1750-02-11T11:00-23.608.291876.7PENGUIN ISLANDS40:22E273NW1/2N102.00-16SSWLITTLE WIND, LATTER MODERATECLEAR, MIDDLE DARK, LATTER CLOUDY0000000a trivial correction was made in this observation89426
1750-02-12T12:00-22.577.011216.7PENGUIN ISLANDS41:30E304N49:00W95.00-14SEFIRST AND LATTER MODERATE, FROM 12PM TO 4AM FRESH GALESDROPS OF RAINCLOUDY0100000a trivial correction was made in this observation89427
1750-02-13T12:00-21.375.43110PENGUIN ISLANDS42:12E341NW1/2W140.00-14SSE, SSW, SEBEFIRST PART LIGHT BREEZE, MIDDLE FRESH BREEZECLOUDY AND DARK0000000a trivial correction was made in this observation89428
1750-02-14T12:00-20.003.73121PENGUIN ISLANDS42:57E382N50:00W126.00-14SEFIRST AND MIDDLE MODERATE, LATTER SQUALLYCLOUDY0000000a trivial correction was made in this observation89429
1750-02-15T12:00-18.631.99PENGUIN ISLANDS43:38E424N50:20W127.00-12FIRST PART MODERATEHAZY AND CLOUDY0000000a trivial correction was made in this observation89430
1750-02-16T12:00-17.170.21PENGUIN ISLANDS44:06E469N49:00W134.00-13MODERATE, LATTER PART SQUALLYSOME RAINCLOUDY0100000a trivial correction was made in this observation89431
1750-02-17T12:00-16.03-1.466.7PENGUIN ISLANDS44:52E507N55:00W118.00TILLER ROPE BROKE AT 2AM-13TILLER ROPE BROKE AT 2AM 24 HOURS MODERATEHAZY AND CLOUDY0000000a trivial correction was made in this observation89432
1750-02-18T12:00-16.00-3.766.7PENGUIN ISLANDS47:58E538N89:08W132.00-11MODERATEHAZY AND CLOUDY0000000a trivial correction was made in this observation89433
1750-02-19T12:00-15.83-5.896.7PENGUIN ISLANDS50:20E570N85:45W124.00-11MODERATEHAZY BUT LATTER CLEAR0000000a trivial correction was made in this observation89434
1750-02-20T12:00-15.27-6.52ST HELENAS43:00E23ST HELENA. 1 PMSWBW10N43:00W69.00-11FIRST PART MODERATE,FIRST PART HAZY, MIDDLE AND LATTER CLEAR0000000a trivial correction was made in this observation89435
1750-02-21T13:00-13.87-8.026.7ST HELENAS43:00E63N43:00W122.00-8MODERATECLOUDY0000000a trivial correction was made in this observation89436
1750-02-22T13:00-12.33-9.536.7ST HELENAS44:38E106N44:00W126.00-9MODERATECLOUDY BUT LATTER CLEAR0000000a trivial correction was made in this observation89437
1750-02-23T13:00-10.67-11.086.7ST HELENAS43:52E151NW1/4N134.00-9MODERATEHAZY AND CLOUDY0000000a trivial correction was made in this observation89438
1750-02-24T13:00-8.90-12.706.7ST HELENAS43:28E198NW1/4N148.00-7MODERATESOME RAINFIRST PART CLOUDY0100000a trivial correction was made in this observation89439
1750-02-25T13:00-7.97-14.201286.7ST HELENAS45:34E232ASCENCION. 5:45 PMWBN9N58:08W106.00MADE 496 NM WESTING BETWEEN ST HELENA AND ASCENSION ISLAND-7SEMODERATEHAZY0000000a trivial correction was made in this observation89440
1750-02-26T13:00-6.03-15.456.7ASCENSION ISLANDSSE1/2E45NNW1/2W184.00-8MODERATEFIRST AND MIDDLE HAZY, LTTER CLOUDY000000089441
1750-02-27T13:00-4.30-16.37826.7ASCENSION ISLANDSSE1/2E84NNW1/2W118.00-8SEBE, EBN, SSE, SEBE, EMODERATELATTER SQUALLS OF RAINCLOUDY110010089442
1750-02-28T13:00-2.90-17.121276.7ASCENSION ISLANDS28:20E116NNW3/4W87.00-8SEMODERATELATTER SQUALLS OF RAINCLOUDY110010089443
1750-03-01T13:00-1.90-17.722.6ASCENSION ISLANDS28:50E137NNW3/4W70.00-6FIRST PART LITTLE WIND, LATTER LITTLE WINDMIDDLE PART RAINFIRST PART CLEAR, MIDDLE DARK AND CLOUDY AND LATTE010010089444
1750-03-02T13:00-0.83-18.301291.0ASCENSION ISLANDS28:46E163NNW1/2W74.00-6SEFIRST AND MIDDLE PART MODERATE, LTTER PART LIGHT AIRSLATTER PART CLOSEFIRST PART CLOUDY AND HAZY, MIDDLE PART DARK, LATT000010089445
1750-03-03T13:000.05-18.743622.6ASCENSION ISLANDS28:28E180N26:00W59.00-6SSE, S, VARIABLELITTLE WINDCLOSEHAZY000010089446
1750-03-04T13:000.50-19.00731.0ASCENSION ISLANDS28:36E193NNW3/4W32.00-6SSE, EBNFIRST PART CALM, MIDDLE AND LATTER LIGHT AIRSFIRST PART HAZY, MIDDLE AND LATTER FAIR000000089447
1750-03-05T13:000.75-19.14282.6ASCENSION ISLANDS28:35E199NNW1/2W17.00-6SEBE, NEBNLITTLE WINDFIRST PART FAIR, MIDDLE PART CLOUDY, LATTER HAZY000000089448
1750-03-06T13:001.05-19.351741.0ASCENSION ISLANDS28:50E206N35:30W22.00-6N, SW, SE, SLIGHT AIRS AND CALMDARK AND CLOUDY000010089449
1750-03-07T13:001.63-19.671296.7ASCENSION ISLANDS28:49E220NNW1/2W40.00-6N, SEFIRST PART SQUALLY, MIDDLE CALM, LATTER MODERATEFIRST PART DARK AND CLOUDY, MIDDLE CLOUDY, LATTER000000089450
1750-03-08T13:002.03-19.89501.0ASCENSION ISLANDS28:49E227NNW1/2W27.00-6ESE, S, NEBELIGHT AIRS INTERMIXED WITH CALMSCLOUDY000000089451
1750-03-09T13:002.72-20.201512.6ASCENSION ISLANDS28:34E244NNW1/4W45.00-7SSE, NEBE, E, SSEFIRST PART CALM, MIDDLE AND LATTER LITTLE WINDCLOUDY000000089452
1750-03-10T13:003.57-20.60492.6ASCENSION ISLANDS28:19E262NNW1/4W56.00-7SE, EBN, NEBELIGHT BREEZES WITH SOME SQUALLSSOME RAINCLOUDY010000089453
1750-03-11T13:004.13-20.873531.0ASCENSION ISLANDS28:11E275NNW1/4W38.00-7EBN, NEBE, NLIGHT AIRSCLOUDY AND HAZY000000089454
1750-03-12T13:004.75-21.393531.0ASCENSION ISLANDS28:50E291N40:00W49.00-7N, ENE, NFIRST AND LATTER LIGHT AIRSRAINDARK AND CLOUDY010010089455
1750-03-13T13:005.30-21.79381.0ASCENSION ISLANDS29:12E304N36:10W41.00-7N, NNE, NEFIRST AND LATTER PARTS LIGHT AIRS, MIDDLE SQUALLYRAINHAZY010000089456
1750-03-14T13:006.12-22.171966.7ASCENSION ISLANDS28:56E322NNW1/4W54.00-7NE, E, SSWMODERATE BREEZESMUCH RAINDARK AND CLOUDY010000089457
1750-03-15T14:006.33-22.77306.7ASCENSION ISLANDS30:20E333N70:00W38.00-4NNW, N, NBE, NEBNLATTER MODERATEFIRST AND MIDDLE DARK AND CLOUDY000000089458
1750-03-16T14:007.47-23.75416.7ASCENSION ISLANDS31:15E362N41:00W90.00-4NEMODERATECLOUDY AND HAZY000000089459
1750-03-17T14:009.00-25.0015.4ASCENSION ISLANDS31:59E400N38:49W117.00-5MODERATE GALESCLOUDY AND HAZY000000089460
1750-03-18T14:0010.55-26.1915.4ASCENSION ISLANDS32:26E439N36:58W117.00-5MODERATE GALESCLOUDY AND HAZY000000089461
1750-03-19T14:0012.10-27.3215.4ASCENSION ISLANDS32:41E478NW3/4N117.00-5MODERATE GALESCLOUDY AND HAZY0000000a trivial correction was made in this observation89462
1750-03-20T14:0014.20-28.3515.4ASCENSION ISLANDS32:03E524NNW1/4W140.00-4MODERATE GALESCLOUDY AND HAZY000000089463
1750-03-21T14:0016.23-29.4719.0ASCENSION ISLANDS31:40E570NNW1/2W139.00-4FRESH GALESCLOUDY AND HAZY000000089464
1750-03-22T14:0018.17-30.5715.4ASCENSION ISLANDS31:26E613NNW1/2W132.00-5MODERATE GALESHAZY000000089465
1750-03-23T14:0019.70-30.896.7ASCENSION ISLANDS30:27E643NBW93.00-5MODERATECLOSEHAZY000000089466
1750-03-24T14:0021.12-31.29406.7ASCENSION ISLANDS29:34E670NBW87.00-5NEMODERATESOME RAIN IN LATTER PARTCLOUDY010000089467
1750-03-25T14:0022.63-31.626.7ASCENSION ISLANDS28:43E699NBW93.00-6FIRST PART LIGHT AIRS, MIDDLE AND LATTER MODERATEHAZY000000089468
1750-03-26T14:0023.73-32.306.7ASCENSION ISLANDS28:41E723NNW1/2W75.00-6MODERATE, MIDDLE LIGHT BREEZEHAZY000000089469
1750-03-27T14:0024.60-32.852.6ASCENSION ISLANDS28:44E743N30:00W60.00-5LITTLE WINDCLOUDY000000089470
1750-03-28T14:0024.93-33.6962.6ASCENSION ISLANDS29:39E758N68:00W54.00-5NNE, NNW, NBELITTLE WINDHAZY000000089471
1750-03-29T14:0025.42-33.573101.0ASCENSION ISLANDS29:00E766N21:00E31.00-5NNE, WNW, NWFIRST AND LATTER LIGHT AIRS WITH CALMS, MIDDLE MODERATESWELL FROM NWMIDDLE CLOUDY000000089472
1750-03-30T14:0026.10-33.103102.6ASCENSION ISLANDS27:53E773NNE3/4E40.00-5WBN, NWBN, NWFIRST AND LATTER LIGHT BREEZE, MIDDLE MODERATESMALL RAINCLOUDY AND HAZY010000089473
1750-03-31T14:0026.40-32.773100.0ASCENSION ISLANDS27:28E774N49:28E28.00-5NW, NBW, NWFIRST AND MIDDLE LITTLE WIND, LATTER CALMSWELL FROM NCLOUDY000000089474
1750-04-01T14:0026.77-32.84851.0ASCENSION ISLANDS26:58E782N1/2W22.00-5E, SE, EFIRST CALM, MIDDLE AND LATTER LIGHT AIRSWELL FROM NCLOUDY000000089475
1750-04-02T14:0027.27-33.04512.6ASCENSION ISLANDS26:57E793N20:50W33.00-5SE, NE, NEBELITTLE WINDSWELL FROM NECLOUDY000000089476
1750-04-03T14:0029.05-32.899419.0ASCENSION ISLANDS25:56E824N4:17E108.00-7EBN, E, EBSFIRST LITTLE WIND, MIDDLE AND LATTER FRESH GALES - A SQUALL AT 8PMRAINDARK AND CLOUDY010000089477
1750-04-04T14:0031.33-33.029419.0ASCENSION ISLANDS24:16E864N1/4E137.00-7EBSFRESH GALES AND SQUALLYSOME RAINCLOUDY010000089478
1750-04-05T14:0033.10-32.997019.0ASCENSION ISLANDS22:29E894N4:20E106.00-9EBS, E, EBNFRESH GALESCLOUDY000000089479
1750-04-06T14:0035.07-33.108119.0ASCENSION ISLANDS22:23E931N118.00-9EFRESH GALESCLOUDY000000089480
1750-04-07T14:0036.50-32.821156.7ASCENSION ISLANDS21:17E955N16:00E87.00-9E, SEBEFRESH GALES AND SQUALLY, LATTER MODERATECLOUDY000000089481
1750-04-08T14:0037.87-32.87346.7ASCENSION ISLANDS20:42E981N82.00-11E, EBN, NEMODERATECLOUDY000000089482
1750-04-09T14:0039.20-33.25796.7ASCENSION ISLANDS20:26E1008NBW82.00-11E, SSE, NE, EFIRST AND LATTER MODERATE, MIDDLE LIGHT BREEZECLOUDY000000089483
1750-04-10T14:0040.53-32.421466.7ASCENSION ISLANDS19:00E1026N33:00E96.00-12ESE, SE, SSEMODERATECLOUDY000000089484
1750-04-11T14:0040.80-30.601916.7ASCENSION ISLANDS17:06E1021N81:00E104.00-12SSE, S, SSWMODERATECLOUDY000000089485
1750-04-12T14:0041.17-29.371346.7ASCENSION ISLANDS15:43E1021N72:50E74.00-12S, SEBSMODERATECLOUDY000000089486
1750-04-13T14:0041.97-28.071236.7ASCENSION ISLANDS14:09E1039N57:00E89.00-12SE, S, SEMODERATECLOUDY000000089487
1750-04-14T14:0042.55-26.291766.7ASCENSION ISLANDS11:55E1033N7:50E106.00-15SE, S, SBWMODERATECLOUDY000000089488
1750-04-15T14:0042.22-24.4519015.4ASCENSION ISLANDS10:27E1022EBS103.00-13SSW, SW, SSWMODERATE GALESCLOUDY000000089489
1750-04-16T13:0041.72-22.27211ASCENSION ISLANDS8:19E1009EBS1/4S124.00-14SWFIRST PART MODERATE GALESLATTER RAINYFIRST PART CLOUDY, MIDDLE HAZY010000089490
1750-04-17T13:0040.93-19.54234ASCENSION ISLANDS5:35E983E17:04S156.00-14SW, WSWFIRST PART FRESH GALESRAINMIDDLE AND LATTER CLOUDY010000089491
1750-04-18T13:0040.00-16.5027819.0ASCENSION ISLANDS2:21E959E17:54S179.00-15WSW, W, WNWFIRST AND LATTER FRESH GALES, MIDDLE SQUALLYHAZY000000089492
1750-04-19T13:0039.63-14.042786.7ASCENSION ISLANDS00:22W943E9:15S139.00-15WNWFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATESWELL FROM NWHAZY AND CLOUDY000000089493
1750-04-20T13:0039.63-10.8427819.0ASCENSION ISLANDS3:55W947E176.00-15WNW, W, WNWFRESH GALESCLOUDY000000089494