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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 ROMNEY cruise from St. Helena to Spithead started at 1781-11-03 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751785, 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: 16.390145 * Median Longitude: -30.775217 * South-bound Latitude: -15.380000 * West-bound Longitude: -45.530000 * North-bound Latitude: 49.780000 * East-bound Longitude: -6.450000
Date/Time Start: 1781-11-03T12:00:00 * Date/Time End: 1782-02-02T13:00:00
Event(s):
Romney_17811103_NMM_ADM/L/J147 * Latitude Start: -15.890000 * Longitude Start: -5.750000 * Latitude End: 50.680000 * Longitude End: -0.960000 * Date/Time Start: 1781-11-03T00:00:00 * Date/Time End: 1782-02-02T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Romney (4th Rate Frigate), Voyage: St Helena - Spithead, 1st Observer: Thomas Pasley (Captain), 2nd Observer: John Reid (2nd Officer/Lieutenant), Company: Royal Navy, Other ship information: 50G 1028BM
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
--1 If position is considered to be coastal (in port or near coastal disturbances)
10 CourseCourseCourse of the ship during the past 24 hours
11 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
12 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.
13 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.
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:
1280 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)

-
(1 If position is considered t...)
10 
Course
(Course of the ship during the...)
11 
Distance [arbitrary units]
(Distance travelled during the...)
12 
Decl [deg]
(It is generally accepted by t...)
13 
Wind dir descr
(All reported wind directions ...)
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)
1781-11-03T12:00-15.38-6.451219.3ST HELENAS49E19N49W57.00-14SEFRESH BREEZESCLEAR0000000213055
1781-11-04T12:00-14.72-7.321212.6ASCENSIONN44W177N39W74.00-14SELIGHT BREEZESHAZY0000000213056
1781-11-05T13:00-13.18-8.201462.6ASCENSIONNW140N31W91.00-12SSELIGHT BREEZESHAZY0000000213057
1781-11-06T13:00-11.92-9.201902.6ASCENSIONN47W112N39W99.00-13SSWLIGHT BREEZESCLOUDY0000000213058
1781-11-07T13:00-10.75-10.081902.6ASCENSIONN50W88N31W91.00-13SSWLIGHT BREEZESRAIN0100000213059
1781-11-08T13:00-9.40-11.071452.6ASCENSIONN68W56N34W98.00-13SSELIGHT BREEZES0000000213060
1781-11-09T13:00-8.10-11.921002.6ASCENSIONN8735N34W96.00-13ESELIGHT BREEZESCLEAR0000000213061
1781-11-10T13:00-8.02-14.421362.6ASCENSIONNE11-10SEBSLIGHT BREEZESCLEAR0000000213062
1781-11-11T13:00-7.45-18.311389.3FERNANDO DE NORONHAN76W311N67W86.00-8SEBSFRESH BREEZESCLOUDY0000000213063
1781-11-12T13:00-6.83-22.201389.3FERNANDO DE NORONHAN77W284N67W84.00-8SEBSFRESH BREEZESCLOUDY0000000213064
1781-11-13T14:00-6.25-23.631189.3FERNANDO DE NORONHAN78W260N66W95.00-6SEBEFRESH BREEZESCLOUDY0000000213065
1781-11-14T14:00-5.83-25.471296.7FERNANDO DE NORONHAN79W219N77W115.00-6SEMODERATEFAIR0000000213066
1781-11-15T14:00-5.37-26.451529.3FERNANDO DE NORONHAN80W180N77W120.00-6SSEFRESH BREEZES0000000213067
1781-11-16T14:00-5.00-29.231326.7FERNANDO DE NORONHAN81W148N78W106.00-3SEFRESH BREEZES, AM MODERATEAM CLEAR0000000213068
1781-11-17T14:00-4.33-30.681109.3FERNANDO DE NORONHAN85W118N65W96.00-3ESEFRESH BREEZESFAIR0000000213069
1781-11-18T14:00-3.92-32.701009.3FERNANDO DE NORONHAN89W77N78W123.00-1EBSFRESH BREEZESFAIR0000000213070
1781-11-19T14:00-3.92-34.83123FERNANDO DE NORONHAN89W12W128.00-1SEBE0000000213071
1781-11-24T15:00-2.83-37.871599.3FERNANDO DE NORONHAS40W30N40E90.001SSEFRESH BREEZESCLEAR0000000213072
1781-11-25T14:00-1.67-37.379.3FERNANDO DE NORONHAS41W60N37E80.00-2FRESH BREEZESCLEAR0000000213073
1781-11-26T14:00-0.83-36.879.3FERNANDO DE NORONHAS42W100N33E85.00-2PM LIGHT BREEZES, AM FRESH BREEZES AND SQUALLYPM FAIR0000000213074
1781-11-27T14:001.17-36.701119.3FERNANDO DE NORONHAS42W130N39E100.00-2ESEFRESH BREEZES AND SQUALLY0000000213075
1781-11-28T14:002.00-36.381339.3FERNANDO DE NORONHAS41W155N40E93.00-2SEFRESH BREEZES AND SQUALLYSMALL RAIN AT TIMES0100000213076
1781-11-29T14:002.98-35.871109.3FERNANDO DE NORONHAS40W180N50E85.00-3ESEFRESH BREEZESCLEAR0000000213077
1781-11-30T14:003.17-35.701100.6FERNANDO DE NORONHAS40W210N49E70.00-3ESELIGHT AIRS INCLINABLE TO CALMS0000000213078
1781-12-01T14:004.25-34.82362FERNANDO DE NORONHAS39W230N45E80.00-3VARIABLESQUALLY0000000213079
1781-12-02T14:005.67-34.37110FERNANDO DE NORONHAS36W260N50E70.00-3ESESQUALLYRAINTHICK HAZY WEATHER0100000213080
1781-12-03T14:006.00-32.871101.0FERNANDO DE NORONHAS42W270N70E50.00-3ESELIGHT AIRSFAIR0000000213081
1781-12-04T14:006.17-31.703621.0FERNANDO DE NORONHAS37W280N71E40.00-5VARIABLELIGHT AIRSFAIR0000000213082
1781-12-05T14:006.75-33.12421.0FERNANDO DE NORONHAS36W289N41W40.00-3NELIGHT AIRSFAIR0000000213083
1781-12-06T14:007.85-33.75646.7FERNANDO DE NORONHAS36W283N43W30.00-4ENEMODERATE0000000213084
1781-12-07T14:008.83-34.70199.3FERNANDO DE NORONHAS34W289N14W68.00-4NNEFRESH BREEZESRAINCLOUDY0100000213085
1781-12-08T14:0010.67-35.878619.0FERNANDO DE NORONHAS34W291N20W70.00-4EFRESH GALES AND SQUALLYRAIN0100000213086
1781-12-09T14:0012.23-36.48649.3FERNANDO DE NORONHAS35W301N25W60.00-4ENEFRESH BREEZESRAINCLOUDY0100000213087
1781-12-10T14:0013.75-36.68639.3FERNANDO DE NORONHAS34W325N20W71.00-5ENEFRESH BREEZESRAINCLOUDY0100000213088
1781-12-11T14:0015.00-37.37639.3FERNANDO DE NORONHAS34W340N22W67.00-5ENEFRESH BREEZESFAIR0000000213089
1781-12-12T15:0015.93-37.87426.7FERNANDO DE NORONHAS31W357N20W57.00-3NEMODERATEFAIR0000000213090
1781-12-13T15:0016.63-38.37539.3FERNANDO DE NORONHAS29W370N21W50.00-3NEBEFRESH BREEZES0000000213091
1781-12-14T15:0017.97-38.70519.3FERNANDO DE NORONHAS21W390N22W69.00-5NEBEFRESH BREEZES0000000213092
1781-12-15T15:0019.30-39.37639.3FERNANDO DE NORONHAS15W409N50W70.00-5ENEFRESH BREEZES AND SQUALLY0000000213093
1781-12-16T15:0021.02-39.68859.3FERNANDO DE NORONHAS10W440N59W69.00-5EFRESH BREEZES AND SQUALLY0000000213094
1781-12-17T15:0022.67-39.87729.3FERNANDO DE NORONHAS9W473N40W70.00-7EBNFRESH BREEZES AND SQUALLY0000000213095
1781-12-18T15:0023.00-40.533629.3FERNANDO DE NORONHAS3E490N41W66.00-7VARIABLEFRESH BREEZES AND SQUALLY0000000213096
1781-12-19T15:0024.67-40.871286.7FERNANDO DE NORONHAS10E501N30W70.00-7SEMODERATEFAIR0000000213097
1781-12-20T15:0024.67-40.900.0FERNANDO DE NORONHAS10E501N30W7.00-7CALMCLEAR0000000213098
1781-12-21T15:0025.52-41.52616.7FERNANDO DE NORONHAS15E515N40W29.00-7ENEMODERATECLOUDY0000000213099
1781-12-22T15:0026.22-42.023426.7FERNANDO DE NORONHAS20E547N39W30.00-7NBWMODERATEFAIRHEAVY SWELL FROM N0000000213100
1781-12-23T15:0026.40-42.20386.7FERNANDO DE NORONHAS21E557N40W17.00-7NEMODERATEFAIR0000000213101
1781-12-24T15:0026.62-43.37400.0CORVON40E340N57W50.00-5CALM, NECALMFAIR0000000213102
1781-12-25T15:0026.92-44.123621.0CORVON41E327N16W60.00-5VARIABLELIGHT AIRSCLOUDY0000000213103
1781-12-26T15:0028.47-45.532071.0CORVON40E315N40W29.00-7SWBSLIGHT AIRSCLOUDY0000000213104
1781-12-27T15:0029.53-44.6830819.0CORVON37E301N30W80.00-7NWFRESH GALES WITH A VIOLENT SQUALL0000000213105
1781-12-28T15:0029.55-43.8729719.0CORVON30E290N20E70.00-7NWBWFRESH GALES0000000213106
1781-12-29T15:0029.73-43.533620.0CORVON27E276N10E60.00-7VARIABLECALMFAIR0000000213107
1781-12-30T15:0030.63-42.53942.6CORVON20E250N10E51.00-7EBSLIGHT BREEZESCLEAR0000000213108
1781-12-31T15:0031.02-41.881042.6CORVON18E235N71E40.00-9ESELIGHT BREEZESFAIR0000000213109
1782-01-20T14:0043.60-33.523189.3CORVOS10W149N39E101.00-20NNWFRESH BREEZES0000000213110
1782-01-21T14:0045.07-31.872279.3CORVOS15W98N31E120.00-21WSWFRESH BREEZES0000000213111
1782-01-22T14:0046.83-31.3820419.0CORVOS29W210N30E98.00-21SWFRESH GALES0000000213112
1782-01-23T14:0048.07-31.9022419.0CORVOS26W220N40W70.00-24WSWFRESH GALES0000000213113
1782-01-24T14:0049.00-30.5329126.8CORVOS29W248N49E89.00-24NWHARD GALESLIGHTNING IN NEHAIL AND RAIN0100110213114
1782-01-25T14:0049.17-29.5224619.0CORVOS32W273N48E70.00-24WFRESH GALES AND SQUALLY0000000213115
1782-01-26T14:0048.83-26.8226919.0CORVOS37W319N69E107.00-24WNWFRESH GALES AND SQUALLY0000000213116
1782-01-27T14:0049.38-23.8726922.6CORVOS43W379N80E140.00-24WNWSTRONG GALES0000000213117
1782-01-28T13:0049.45-21.0229122.6LIZARDN81E220N79E130.00-24NWSTRONG GALES0000000213118
1782-01-29T13:0048.93-18.8231422.6LIZARDN80E150N80E129.00-24NNWSTRONG GALES0000000213119
1782-01-30T13:0048.17-16.7533626.8LIZARDN82E103N76E120.00-24NHARD GALES0000000213120
1782-01-31T13:0048.20-13.954422.6LIZARDN81E70N82E140.00-24NE, ENESTRONG GALES0000000213121
1782-02-01T13:0049.18-11.53909.3LIZARDN80E37N83E120.00-23SE, ESELIGHT BREEZES, AM FRESH BREEZESFAIR0000000213122
1782-02-02T13:0049.78-9.952259.3LIZARDN79E12N89E100.00-23WSWFRESH BREEZESFAIR0000000213123