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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 CHATHAM cruise from Cochine to Cape of Good Hope started at 1764-01-01 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747880, 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: -12.484231 * Median Longitude: 44.263846 * South-bound Latitude: -35.170000 * West-bound Longitude: 22.170000 * North-bound Latitude: 9.850000 * East-bound Longitude: 73.130000
Date/Time Start: 1764-01-01T07:00:00 * Date/Time End: 1764-02-23T11:00:00
Event(s):
Chatham_17640101_NMM_ADM/L/C124 * Latitude Start: 10.730000 * Longitude Start: 75.790000 * Latitude End: -33.670000 * Longitude End: 17.900000 * Date/Time Start: 1764-01-01T00:00:00 * Date/Time End: 1764-02-23T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Chatham (4th Rate Frigate), Voyage: Cochine - Cape Of Good Hope, 1st Observer: Thomas Lynn (Captain), 2nd Observer: John Yetts (2nd Officer/Lieutenant), Company: Royal Navy, Other ship information: 50G 1055BM
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 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
14 Wind force descriptionWind force descrAll reported wind forces on this day
15 Present weatherwwWeather description
16 Precipitation descriptionPrecip descr
17 State of the sea descriptionState sea descr
18 ClearnessClearness
19 GustsGusts1 If wind gusts are reported
20 Precipitation/RainRain1 If rain was reported
21 FogFog1 If fog was reported
22 Snow typeSnow1 If snow was reported
23 ThunderThunder1 If thunder and or lightning was reported
24 HailHail1 If hail was reported
25 Sea iceSea ice1 If sea-ice or icebergs were reported
26 IdentificationIDCLIWOC 2.1 line number
Size:
1021 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 
Cur dir descr
(Direction of the current. Thi...)
14 
Wind force descr
(All reported wind forces on t...)
15 
ww
(Weather description)
16 
Precip descr
17 
State sea descr
18 
Clearness
19 
Gusts
(1 If wind gusts are reported)
20 
Rain
(1 If rain was reported)
21 
Fog
(1 If fog was reported)
22 
Snow
(1 If snow was reported)
23 
Thunder
(1 If thunder and or lightning...)
24 
Hail
(1 If hail was reported)
25 
Sea ice
(1 If sea-ice or icebergs were...)
26 
ID
(CLIWOC 2.1 line number)
1764-01-01T07:009.7373.13332.6JANOUNE22N65W1/4N39.00-1NEBN, NNE, NEBNMAJOR PART LIGHT BREEZESMAJOR PART HAZY000000040985
1764-01-02T07:009.8572.843596.7CALIPINAENE1/2E17WSW1/2W51.00-1NE, NSHIP 14 NMFIRST AND MIDDLE PARTS LIGHT AIRS, LATTER PLEASANT BREEZESLATTER SMOOTH WATERFIRST AND MIDDLE PARTS HAZY000000040986
1764-01-03T07:009.2571.17216.7CALIPINAE19N51W21S107.00-2NNE, NE, NNEPLEASANT BREEZESFAIR000000040987
1764-01-04T07:009.3869.213586.7CALIPINAE9N89W4N116.00-2NNE, N, NNE, NPLEASANT BREEZESSMOOTH WATERFAIR000000040988
1764-01-05T07:009.3267.543586.7CALIPINAE7N123W2S97.00-2NPLEASANT BREEZESFAIR000000040989
1764-01-06T08:009.3866.52416.7CALIPINAE7N145W3N71.00-4NBE, NNE-NESHIP 6NM SPLEASANT BREEZESSMOOTH WATERFAIR000000040990
1764-01-07T08:009.4765.02646.7CALIPINAE3N171W4N81.00-4ENE, NE, ENEPLEASANT BREEZESFAIR000000040991
1764-01-08T08:009.6863.66756.7CALIPINAE2N198W7N82.00-4NEBN, NE, EBNPLEASANT BREEZESSMOOTH WATERFAIR000000040992
1764-01-09T08:009.3862.19846.7CALIPINAE5:53N227W5S86.00-6EPLEASANT BREEZESFAIR000000040993
1764-01-11T08:009.2758.41736.7CALIPINAE3:15N300W4S115.00-6EBS, E, EBNPLEASANT BREEZESHAZY000000040994
1764-01-12T08:008.6556.34606.7CALIPINAE4:50N344W17S142.00-8EBN-ENEMAJOR PART PLEASANT BREEZESCLOUDY000000040995
1764-01-13T08:007.8754.01486.7CALIPINAE6:36N385W17S146.00-8ENE-NEBEMAJOR PART PLEASANT BREEZESSMOOTH WATERCLOUDY000000040996
1764-01-14T09:006.9851.47129.3CALIPINAE8N444W19S161.00-11EBN, NE, NNEFRESH BREEZESHAZY000000040997
1764-01-15T09:004.8049.92579.3CALIPINAE12N481S35W162.00-11NE, ENEFRESH BREEZESHAZY000000040998
1764-01-16T09:002.4747.90566.7CAPE BASSOSN16E46S16W138.00-12ENEMODERATE BREEZESSOME RAINCLOUDY010000040999
1764-01-17T09:000.9046.96656.7CAPE BASSOSN23E85S30W109.00-14NE-EBNMODERATE BREEZESSOME RAINCLOUDY010000041000
1764-01-18T09:00-0.8045.68546.7CAPE BASSOSN27E124S37W128.00-14NNE, EBS, ENESHIP 6 MILES SMODERATE BREEZESSOME RAINCLOUDY010000041001
1764-01-19T09:00-2.7844.43976.7CAPE BASSOSN29E171S32W140.00-16ENE-ESEMODERATE BREEZESSMOOTH WATERHAZY000000041002
1764-01-20T09:00-4.3843.58856.7CAPE BASSOSN28:30E206S28W109.00-16NEBE, ENE, EBSMODERATE BREEZESHAZY000000041003
1764-01-21T09:00-5.4843.03522.6CAPE BASSOSN28E229S26W72.00-16EBN, E, ENELIGHT BREEZESPLEASANT WEATHER000000041004
1764-01-22T09:00-6.2742.883332.6CAPE BASSOSN27:12E243S11W48.00-16NEBE-NBWLIGHT BREEZESPLEASANT WEATHER000000041005
1764-01-23T09:00-7.1242.80972.6CAPE BASSOSN25:51E260S7W46.00-16NEBE, EBN, ESELIGHT BREEZESPLEASANT WEATHER000000041006
1764-01-24T09:00-8.3042.533432.6CAPE BASSOSN25E282S14W68.00-17ENE, NNE, NLIGHT BREEZESPLEASANT WEATHERSMOOTH WATER000000041007
1764-01-25T09:00-10.0842.0327419.0CAPE BASSOSN23:30E319S14W120.00-19NBE-NBW, NE, WNWMAJOR PART FRESH GALES AND SQUALLYHEAVY RAIN010000041008
1764-01-26T09:00-11.8241.702746.7CAPE BASSOSN22E357S12W106.00-19NEBN, NBW, WNWFIRST AND MIDDLE PARTS FRESH GALES AND SQUALLY, LATTER MODERATESMOOTH WATERLATTER CLOUDY000000041009
1764-01-27T09:00-13.8040.7026.7QUERIMBON2E41S2W124.00-21NNW, NBW, NNEMODERATE BREEZESRAINSMOOTH WATERCLOUDY010010041010
1764-01-28T09:00-15.4340.7026.7QUERIMBON2E74S2W99.00-21NNE, NW, NNEMODERATE BREEZESRAINCLOUDY010010041011
1764-01-29T09:00-17.6539.853159.3QUERIMBON7E119S15W138.00-23ENE, NNW, WNW, NNWMAJOR PART FRESH BREEZESRAINCLOUDY010010041012
1764-01-30T09:00-19.8039.253609.3QUERIMBON9E163S15W133.00-23NNEFRESH BREEZES AND SQUALLYRAINGREAT SWELL FROM NE010000041013
1764-01-31T09:00-20.6037.5515719.0QUERIMBON18E186S63W108.00-23NNE, NEBE, SBE, SFIRST PART FRESH BREEZES AND SQUALLY, REMAINDER FRESH GALES AND SQUALLYRAIN010000041014
1764-02-01T10:00-20.7237.3014619.0QUERIMBON16E199S80E42.00-23SBW, S, SBEMAJOR PART FRESH GALESRAINCLOUDY010000041015
1764-02-02T09:00-21.3037.6315719.0QUERIMBON16E199S54E59.00-23SBW-SFRESH GALESHAZY000000041016
1764-02-03T10:00-21.9537.3018015.4QUERIMBON17E213S26W43.00-23S-SSWMODERATE GALESSWELL MUCH ABATEDCLOUDY000000041017
1764-02-04T10:00-22.4837.381579.3QUERIMBON16E223S9E33.00-23SBW, SSW, SFRESH BREEZESSWELL DOWNCLOUDY000000041018
1764-02-05T10:00-23.3835.681569.3QUERIMBON21E250S59W104.00-24S, SSW, SSHIP 20 MILES SFRESH BREEZESSOME SMALL RAIN AT TIMESCLOUDY010000041019
1764-02-06T10:00-24.1735.921116.7QUERIMBON19E263S15E49.00-24S, SBE, SEMODERATE BREEZESHAZY000000041020
1764-02-07T10:00-25.8835.351456.7CAPE CORRENTIESN6E35S6W105.00-24SSE, SE, SBEMODERATE BREEZESHAZY000000041021
1764-02-08T10:00-26.8234.521226.7CAPE CORRENTIESN19E56S39W72.00-24SBE-SEBSMODERATE BREEZESSMOOTH WATERHAZY000000041022
1764-02-09T10:00-26.7535.102126.7CAPE CORRENTIESN8E52E5N33.00-24SSE, SEBS, SWBWMODERATE BREEZESPLEASANT WEATHER000000041023
1764-02-10T10:00-27.0835.731900.6CAPE CORRENTIESN2E59S62E39.00-24SSW, SBE, SWBSLIGHT AIRS INCLINING TO CALMSWELL FROM SSW000000041024
1764-02-11T10:00-27.0536.531799.3CAPE CORRENTIESN15:18W69S60E50.00-24SSE, SW, SSWFRESH BREEZESSWELL FROM SSECLOUDY000000041025
1764-02-12T10:00-28.0836.651216.7CAPE CORRENTIESN15W81S17E27.00-25SWBS, SSW, SEBSMODERATE BREEZESSMOOTH WATERCLOUDY000000041026
1764-02-13T10:00-28.7536.301789.3CAPE CORRENTIESN9W93S26W45.00-25EBS, SW, SSWFIRST AND MIDDLE PARTS MODERATE BREEZES, LATTER FRESH BREEZESSWELL FROM SWHAZY000000041027
1764-02-14T10:00-29.9535.13889.3CAPE CORRENTIESN4E116S0W94.00-25SBW, SE, ESEMAJOR PART FRESH BREEZESSOME RAINCLOUDY010000041028
1764-02-16T10:00-33.4834.731551.0CAPE CORRENTIESN4E184S33E62.00-25NNE, WBS, WSW, SFIRST AND MIDDLE PARTS FRESH BREEZES, LATTER LIGHT AIRSSWELL FROM SWFIRST AND MIDDLE PARTS CLOUDY, LATTER HAZY000000041029
1764-02-17T10:00-34.2233.27766.7CAPE CORRENTIESN10E205S61W92.00-25SE, ESE, NEBE, EBSFIRST PART LIGHT AIRS, MIDDLE AND LATTER PLEASANT BREEZESFIRST PART HAZY, MIDDLE AND LATTER CLOUDY000000041030
1764-02-18T10:00-34.3732.001009.3CAPE CORRENTIESN16E212S83W55.00-24NW, SW, SBW, SE, SEBEFRESH BREEZESSWELL FROM SWCLOUDY000000041031
1764-02-19T10:00-35.0529.131349.3CAPE CORRENTIESN26E242S74W147.00-24ESE, EBN, SSESHIP 17 MILES SFRESH BREEZESSWELL FROM SWCLOUDY000000041032
1764-02-20T10:00-35.1727.751110.6CAPE CORRENTIESN30E254S83W68.00-24CALM, VARIABLE, SSE, S, SEFIRST AND MIDDLE PARTS FRESH BREEZES, LATTER LIGHT AIRS INCLINING TO CALMFIRST AND MIDDLE CLOUDY000000041033
1764-02-21T10:00-35.0527.32901.0CAPE CORRENTIESN32E255N72W22.00-23CALM, ENE, ESELIGHT AIRS AND CALMSWELL FROM SW000000041034
1764-02-22T10:00-35.0325.83909.3CAPE LAGULLASN73W88W73.00-23CALM, SBW, NE, ESEFIRST AND MIDDLE PARTS LIGHT AIRS AND CALM, LATTER FRESH BREEZELATTER SOME DRIZZLING RAIN010000041035
1764-02-23T11:00-34.5222.1711419.0CAPE GOOD HOPEEBS7W9N184.00-21ESE, SEBE, SEFRESH GALESCLEAR000000041036