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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 Earl of Middlesex cruise from Pisang to Cape of Good Hope started at 1768-01-24 [dataset]. British Library, London, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.748740, 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: -24.327069 * Median Longitude: 61.548621 * South-bound Latitude: -35.620000 * West-bound Longitude: 19.550000 * North-bound Latitude: -6.680000 * East-bound Longitude: 102.180000
Date/Time Start: 1768-01-24T05:00:00 * Date/Time End: 1768-03-21T11:00:00
Event(s):
Earl_of_Middlesex_17680124_BL_L/MAR/B/579B * Latitude Start: -6.680000 * Longitude Start: 102.180000 * Latitude End: -33.670000 * Longitude End: 17.900000 * Date/Time Start: 1768-01-24T00:00:00 * Date/Time End: 1768-03-21T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Earl Of Middlesex, Voyage: Pisang (Sumatra) - Cape Of Good Hope, 1st Observer: John Rogers (1st Officer/Master), Company: EIC, Other ship information: 657BM
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 Present weatherwwWeather description
15 Precipitation descriptionPrecip 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:
1099 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 
ww
(Weather description)
15 
Precip 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)
1768-01-24T05:00-6.68102.18303PESANGN25E37S25W110.00-1WNW, WBN, VARIABLE, NWBWMODERATE BREEZES, SQUALLYRAIN010000064687
1768-01-25T05:00-8.00101.68362PESANGN24:48E66S17W95.00-2NNW, NW, WNW, VARIABLEVARIABLE WINDSCLOUDY000000064688
1768-01-26T05:00-9.10101.582792.6PESANGN20:7E82S1/2W61.00-2SWBW, WSW, WBS, W, WBNLIGHT WINDSFAIR000000064689
1768-01-27T05:00-9.65101.58362PESANGN17:25E94S1W39.00-2WW, SWBW, SW, VARIABLEVARIABLE WINDS AND CALMHEAVY RAIN010000064690
1768-01-28T05:00-9.47101.501672.6PESANGN18:54E91S6W88.00-2NNW, VARIABLE, SBELIGHT WINDS AND CALMFAIR000000064691
1768-01-29T05:00-9.58100.721892.6PESANGN19E103S78W47.00-2SSW, SBE, SSW, SBWLIGHT WINDSCLOUDY000000064692
1768-01-30T05:00-9.92100.783621.0PESANGN24:51E108S6E21.00-2WSW, SBE, S, VARIABLELIGHT AIRS VARIABLE AND CALMSMALL RAIN010000064693
1768-01-31T05:00-10.53100.18347PESANGN27:33E128S23W89.00-2VARIABLE, WSW, WBS, WNW, NW, WBN, N, NNE, NBWMODERATE BREEZE, SQUALLY, VARIABLERAIN010000064694
1768-02-01T05:00-12.3299.45889.3PESANGN25:27E158S18W116.00-2NNW, NW, NEBN, ENE, EBN, EPLEASANT GALEFAIR000000064695
1768-02-02T05:00-14.1298.251109.3PESANGN26:48E168SWBS135.00-3E, EBS, ESEPLEASANT GALEFAIR000000064696
1768-02-03T06:00-15.4895.781109.3PESANGN34:28E255S62W161.00-3ESEPLEASANT GALEFAIR000000064697
1768-02-04T06:00-16.5093.381109.3PESANGN36:40E302S64W150.00-3ESEPLEASANT GALEFAIR000000064698
1768-02-05T06:00-17.4890.931339.3PESANGN43:45E350S64:41W154.00-2SEPLEASANT GALEFAIR000000064699
1768-02-06T06:00-18.1588.371319.3PESANGN47:44E389S75W152.00-4SEPLEASANT GALEFAIR000000064700
1768-02-07T06:00-18.1588.371096.7PESANGN47:44E389S75W152.00-4ESEPLEASANT BREEZEFAIR000000064701
1768-02-08T06:00-19.1084.453629.3PESANGN52:22E458S75W113.00-4ESE, EBS, EBN, SE, VARIABLEPLEASANT GALEFAIR000000064702
1768-02-09T06:00-19.2582.63866.7PESANGN54:06E490S86W103.00-4EBS, VARIABLE, SE, EPLEASANT BREEZEFAIR000000064703
1768-02-10T07:00-19.5781.031082.6PESANGN56E519S78W96.00-5E, VARIABLE, EBN, ESE, ESELIGHT BREEZEFAIR000000064704
1768-02-11T07:00-20.2378.851309.3PESANGN58:20E559S74:20W128.00-5SEBE, SSE, SEPLEASANT GALEFAIR000000064705
1768-02-12T07:00-20.8776.3815219.0PESANGN60:44E600S78W141.00-6SE, ESE, SSEFRESH GALES SOME SQUALLSRAIN010000064706
1768-02-13T07:00-21.4373.3810719.0PESANGN52:28E648WBS171.00-6SEBS, SE, ESEFRESH GALESFAIR000000064707
1768-02-14T07:00-21.8571.62936.7PESANGN53:06E648S78W101.00-8ESE, EBSPLEASANT BREEZEFAIR000000064708
1768-02-15T07:00-22.1370.281722.6PESANGN54:47E703S77E76.00-8SEBS, SBE, SLIGHT BREEZEFAIR000000064709
1768-02-16T07:00-22.3269.082172.6PESANGN55:30E723W67.00-8SBW, SSW, SW, VARIABLE, SWBS, SWLIGHT BREEZEFAIR000000064710
1768-02-17T07:00-22.4067.751832.6PESANGN56:25E719S82W75.00-8SWBS, SW, SBW, SBE, S, VARIABLE, SBWLIGHT BREEZEFAIR000000064711
1768-02-18T08:00-22.5366.721456.7PESANGN51:10E746S69W82.00-13SBW, S, VARIABLE, SBE, SSEMODERATE BREEZESFAIR000000064712
1768-02-19T08:00-23.5865.331336.7PESANGN58:5E776S51W98.00-13SSE, VARIABLE, SEBSPLEASANT BREEZEFAIR000000064713
1768-02-20T08:00-24.0064.081332.6PESANGN59:00E796S68W73.00-13SBE, VARIABLE, SE, SEBSLIGHT BREEZEFAIR000000064714
1768-02-21T08:00-24.8062.971456.7PESANGN59:58E833S64W113.00-13SBW, SBE, SSE, SSEPLEASANT BREEZEFAIR000000064715
1768-02-22T08:00-26.0859.7713019.0PESANGN61:14E884S60W152.00-16SSE, SEBS, SEBSFRESH GALES SOME SQUALLSRAIN010000064716
1768-02-23T08:00-27.0757.301069.3PESANGN63:30E965S68W142.00-18SE, VARIABLE, SEBS, EBN, SEBEPLEASANT GALESSOME SMALL SHOWERS OF RAIN110000064717
1768-02-24T08:00-27.5055.67802.6PESANGN64:3E996WBS1/2S90.00-21SE, ESE, VARIABLE, EBSLIGHT BREEZESFAIR000000064718
1768-02-25T08:00-28.0254.13926.7PESANGN64:47E1025S70W86.00-21SE, SSE, SEBE, ESEPLEASANT BREEZESFAIR000000064719
1768-02-26T09:00-28.5352.07906.7PESANGN65:04E1063S75W113.00-23ESEPLEASANT BREEZESFAIR000000064720
1768-02-27T09:00-28.9750.02566.7PESANGN65:34E1099S75W111.00-23ESE, E, EBNPLEASANT BREEZEFAIR000000064721
1768-02-28T09:00-29.2548.983152.6PESANGN65:56E1116S73W56.00-23NE, NNE, N, NWBN, NW, NNWLIGHT BREEZEFAIR000000064722
1768-02-29T09:00-29.3048.433622.6PESANGN66:08E1127S77W30.00-23WBS, NBW, S, ESE, EBN, VARIABLELIGHT WINDS AND CALMFAIR000000064723
1768-03-01T09:00-29.7047.001102.6PESANGN66:24E1162S77W76.00-25SSE, VARIABLE, SELIGHT WINDS AND CALMFAIR000000064724
1768-03-02T09:00-30.0345.53882.6PESANGN66:38E1185S75W79.00-25SEBE, EBN, ESELIGHT BREEZESFAIR000000064725
1768-03-03T09:00-30.3044.35542.6PESANGN66:50E1206S77W63.00-25SE, ESE, EBS, EBNLIGHT BREEZESFAIR000000064726
1768-03-04T09:00-30.8042.383136.7PESANGN67:16E1242S75W105.00-25ESE, NE, NNE, N, NNWPLEASANT BREEZESFAIR000000064727
1768-03-05T09:00-31.3040.8713319.0PESANGN67:20E1273S60W91.00-25NWBN, NW, W, SWBW, S, SSE, SSEFIRST AND MID LIGHT BREEZES AND VARIABLE, LATTER FRESH GALES AND SQUALLYFAIR000000064728
1768-03-06T10:00-32.0837.3843PESANGN67:31E1330S75W183.00-25SE, ESE, EBS, E, NE, ENEFRESH GALES, HARD SQUALLSHEAVY RAIN010000064729
1768-03-07T10:00-32.6735.458715.4PESANGN67:59E1364S72W102.00-26VARIABLE, EBS, E, ESENOON HARD SQUALLY, SETTLED GALERAINHEAVY BLACK CLOUD THEN FINE010000064730
1768-03-08T10:00-32.7534.401772.6PESANGN68:06E1382S75W54.00-26EBS, VARIABLE, SW, SSWLIGHT BREEZESFAIR000000064731
1768-03-09T10:00-32.5033.3720015.4PESANGN67:45E1399N75W54.00-25SBE, ESE, VARIABLE, SWBW, SWLIGHT WINDS, VARIABLE, LATTER SETTLED GALEFAIR000000064732
1768-03-10T10:00-32.7831.831216.7PESANGN67:55E1426S75W81.00-25SW, SWBS, SSW, S, SBE, SSE, SEBSPLEASANT BREEZEFAIR000000064733
1768-03-11T10:00-33.9829.004319.0PESANGN68:14E1511S65W157.00-25SE, E, EBN, ENEFRESH GALESFAIR000000064734
1768-03-12T10:00-34.0327.85886.7PESANGN68:22E1531N84W57.00-25NE, EBN, NWBN, NWBW, WNW, WBN, W, ESEMODERATE BREEZES, SOME SQUALLSUNSETTLEDRAIN010000064735
1768-03-13T10:00-34.7527.7724519.0PESANGN68:10E1539S7W24.00-25SW, SSW, VARIABLE, WBN, W, WFIRST LIGHT BREEZES, AND CALM, LATTER FRESH GALES AND SQUALLYCLOUDY000000064736
1768-03-14T10:00-34.4027.82268PESANGN68:14E1549N1/2E28.00-25WBN, W, WNW, NW, NWBW, WBS, WNWFRESH GALES, HARD SQUALLSRAINTHICK010000064737
1768-03-15T10:00-34.3027.55200PESANGN68:30E1559N27E29.00-25WNW, NWBN, NWBW, SWFRESH GALES, HARD SQUALLSRAIN010000064738
1768-03-16T10:00-34.7525.177819.0PESANGN68:40E1589S75W122.00-23SWBS, SSW, SE, ESE, EBS, EBN, ENE, EBSFIRST MODERATE, LATTER FRESH GALESFAIR000000064739
1768-03-17T10:00-35.3222.622252.6PESANGN69:00E1629S80W127.00-23EBS, EBN, ENE, NBE, WSW, WSWFIRST FRESH GALES, LATTER LIGHT WINDSFAIR000000064740
1768-03-18T11:00-35.6222.101822.6PESANGN69:10E1638S55W32.00-21W, WBS, SWBW, S, SSWLIGHT WINDS VARIABLE AND CALMSOME SMALL RAINHAZY010000064741
1768-03-19T11:00-35.2221.302832.6PESANGN69:20E1652N65W42.00-21VARIABLE, SWBW, WSW, W, NWBW, NNW, NWBN, NWBWLIGHT BREEZESFAIR000000064742
1768-03-20T11:00-35.0020.882041.0CAPE FALSON1/2E8N78W21.00-21WBN, WSW, SWBS, SWLIGHT AIRS AND CALMFINE000000064743
1768-03-21T11:00-34.7819.5517019.0CAPE BONA ESPERANCENW - E1/2S4N68W78.00-21W, SWBW, SW, SBWFIRST LIGHT BREEZES, LATTER FRESH GALESCLOUDY000000064744