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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 ALDERNEY cruise from Diego Rays to Uk started at 1761-12-01 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747299, 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: -13.774306 * Median Longitude: 5.533889 * South-bound Latitude: -35.250000 * West-bound Longitude: -41.170000 * North-bound Latitude: 22.500000 * East-bound Longitude: 62.550000
Date/Time Start: 1761-12-01T00:00:00 * Date/Time End: 1762-03-16T15:00:00
Event(s):
Alderney_17611201_NMM_ADM/L/A90 * Latitude Start: -20.600000 * Longitude Start: 62.470000 * Latitude End: 49.450000 * Longitude End: -5.630000 * Date/Time Start: 1761-12-01T00:00:00 * Date/Time End: 1762-03-16T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Alderney (Sloop), Voyage: Diego Rays (Rodriques) - Uk, 1st Observer: Richard Hughes (Captain), 2nd Observer: Charles Emery (2nd Officer/Lieutenant), Company: Royal Navy, Other ship information: 10G 430BM
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 CommentCommentOther remarks, that were not possible to put in the other remark fields
13 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.
14 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.
15 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
16 Current speed descriptionV descr
17 Wind force descriptionWind force descrAll reported wind forces on this day
18 Present weatherwwWeather description
19 Precipitation descriptionPrecip descr
20 State of the sea descriptionState sea descr
21 GustsGusts1 If wind gusts are reported
22 Precipitation/RainRain1 If rain was reported
23 FogFog1 If fog was reported
24 Snow typeSnow1 If snow was reported
25 ThunderThunder1 If thunder and or lightning was reported
26 HailHail1 If hail was reported
27 Sea iceSea ice1 If sea-ice or icebergs were reported
28 CommentComment
29 IdentificationIDCLIWOC 2.1 line number
Size:
1484 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 
Comment
(Other remarks, that were not ...)
13 
Decl [deg]
(It is generally accepted by t...)
14 
Wind dir descr
(All reported wind directions ...)
15 
Cur dir descr
(Direction of the current. Thi...)
16 
V descr
17 
Wind force descr
(All reported wind forces on t...)
18 
ww
(Weather description)
19 
Precip descr
20 
State sea descr
21 
Gusts
(1 If wind gusts are reported)
22 
Rain
(1 If rain was reported)
23 
Fog
(1 If fog was reported)
24 
Snow
(1 If snow was reported)
25 
Thunder
(1 If thunder and or lightning...)
26 
Hail
(1 If hail was reported)
27 
Sea ice
(1 If sea-ice or icebergs were...)
28 
Comment
29 
ID
(CLIWOC 2.1 line number)
1761-12-01T00:00906.7DIEGO RAYSNNW31EMODERATECLOUDY WEATHER00000006898
1761-12-02T00:003626.7DIEGO RAYSENE9VARIABLEMODERATEFAIR WEATHER00000006899
1761-12-03T00:001136.7DIEGO RAYSEBN10ESEMODERATEFAIR WEATHER00000006900
1761-12-04T08:00-19.7262.5510319.0DIEGO RAYSE16W48.00-10ESEFRESH GALESCLOUDYRAIN01000006901
1761-12-05T08:00-21.3562.3011119.0DIEGO RAYSN35:00E37S9:00W89.00-13SEBEFRESH GALESCLOUDYRAIN01000006902
1761-12-06T08:00-22.4262.3010019.0DIEGO RAYSN22:00E56S64.00-13E -ESEFRESH GALESCLOUDYRAIN01000006903
1761-12-07T08:00-23.8860.2027719.0DIEGO RAYSN36:00E100S53:00W145.00-16EBN-ENEFRESH GALESCLOUDYRAIN01000006904
1761-12-08T08:00-25.4757.1327519.0DIEGO RAYSN45:37E162S60:00W170.00VARIATION OF AZIMUTH 17:30W-18NNW-WNWFRESH GALESCLOUDYRAIN01000006905
1761-12-09T08:00-26.0057.053621.0DIEGO RAYSN43:28E170S9:00W32.00-18VARIABLENONELIGHT AIRSCLOUDY WEATHER00000006906
1761-12-10T08:00-26.3755.903621.0DIEGO RAYSN46:30E185W19:00S66.00VARIATION 19:10W-18VARIABLELIGHT AIRSCLOUDY WEATHER00000006907
1761-12-11T08:00-26.9054.05836.7DIEGO RAYSN50:28E220S72:00W104.00VARIATION OF AZIMUTH 19:05W-18EBSMODERATEFAIR WEATHER00000006908
1761-12-12T09:00-28.0851.9227019.0DIEGO RAYSN51:46E267S58:00W134.00-23N-WNWFRESH GALESCLOUDY WEATHERRAIN01000006909
1761-12-13T09:00-28.4350.1536219.0DIEGO RAYSN54:30E296S77:00W96.00-23VARIABLEFRESH GALESCLOUDY WEATHERRAINSWELL FROM THE SOUTHWARD01000006910
1761-12-14T09:00-29.0248.0236219.0DIEGO RAYSN56:43E334S73:00W118.00VARIATION OF AZIMUTH 22:58W-23VARIABLEFRESH GALESCLOUDY WEATHERRAIN01000006911
1761-12-15T09:00-29.6245.87362DIEGO RAYSN58:22E373S72:00W118.00-24VARIABLESQUALLY WEATHERRAIN01000006912
1761-12-16T09:00-29.3845.233621.0DIEGO RAYSN59:53E381N67:00W36.00VARIATION OF AZIMUTH 23:00W-24VARIABLELIGHT AIRSCLOUDY WEATHER00000006913
1761-12-17T09:00-29.6742.957719.0DIEGO RAYSN62:03E422S82:00W121.00VARIATION OF AZIMUTH 23:56W-24SSW-EBSSETT NNE5 FATHOMSFIRST PART LIGHT AIRS, MIDDLE AND LATTER FRESH GALESCLOUDY00000006914
1761-12-18T09:00-30.6039.7431319.0DIEGO RAYSN62:48E471S71:00W176.00-25EBS-NNWFRESH GALES AND SQUALLYRAIN01000006915
1761-12-19T09:00-31.5039.4036219.0DIEGO RAYSN61:35E490S19:00W57.00VARIATION OF AMPLITUDE 23:38W-25VARIABLEFRESH GALES AND SQUALLYRAIN01000006916
1761-12-20T09:00-30.9838.243621.0DIEGO RAYSN63:51E506N64:00W70.00VARIATION OF AZIMUTH 23:36W-25VARIABLELIGHT AIRSCLOUDY WEATHER00000006917
1761-12-21T10:00-31.4037.463621.0CAPE OF GOOD HOPES78:29W271S60:00W50.00-25VARIABLELIGHT AIRSCLOUDY WEATHER00000006918
1761-12-22T10:00-31.8236.503626.7CAPE OF GOOD HOPES79:30W252S63:00W58.00VARIATION OF AZIMUTH 25:11W-25VARIABLEMODERATECLOUDY WEATHER00000006919
1761-12-23T10:00-31.7235.713626.7CAPE OF GOOD HOPES78:26W239N82:00W43.00VARIATION OF AMPLITUDE 23:36W-25VARIABLEMODERATECLOUDY WEATHER00000006920
1761-12-24T10:00-32.4534.473621.0CAPE OF GOOD HOPES81:03W214S56:00W79.00VARIATION OF AZIMUTH 26:22W-25VARIABLELIGHT AIRSCLOUDY WEATHER00000006921
1761-12-25T10:00-33.0731.6029119.0CAPE OF GOOD HOPES82:27W160S76:00W154.00VARIATION IN AZIMUTH 23:22W-24NNE-NWFRESH GALESCLOUDYRAIN01001006922
1761-12-26T10:00-32.1031.0521219.0CAPE OF GOOD HOPES75:17W159N28:00W65.00-24NW, SBW, SWBWFRESH GALESCLOUDYRAINGREAT SWELL FROM THE SW01000006923
1761-12-27T10:00-32.1030.06896.7CAPE OF GOOD HOPES73:29W142W53.00-24SWBW -ESEFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER CLOUDY00000006924
1761-12-28T10:00-34.0026.11466.7CAPE OF GOOD HOPES87:55W64S60:00W229.00VARIATION OF AMPLITUDE 24:00W-22ENEFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER CLOUDY00000006925
1761-12-29T10:00-35.0725.663626.7CAPE OF GOOD HOPEN72:50W62S46:00W69.00VARIATION OF AMPLITUDE 23:40W-22VARIABLEFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER CLOUDY00000006926
1761-12-30T10:00-35.2525.483626.7CAPE OF GOOD HOPEN67:57W60S46:00W16.00VARIATION OF AMPLITUDE 22:22W-22VARIABLEFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER CLOUDY00000006927
1761-12-31T10:00-34.5225.002376.7THE EXTREMES OF THE LAND IN SIGHTWNW TO NE8N49:00W67.00VARIATION OF AMPLITUDE 21:56W-22WNW-WBSFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER CLOUDY0000000a trivial correction was made in this observation6928
1762-01-20T11:00-32.0017.062296.7THE CAPE OF GOOD HOPES44:00E35N44:00W106.00-19SSE, SW, WSWMODERATECLOUDY WEATHER00000006929
1762-01-21T11:00-31.9016.272516.7THE CAPE OF GOOD HOPES37:57E64N30:00W65.00-19WMODERATECLOUDY WEATHER00000006930
1762-01-22T11:00-29.8814.161846.7THE CAPE OF GOOD HOPES40:55E112N42:00W164.00VARIATION OF AMPLITUDE 19:29W-19W -SSWMODERATEHAZY WEATHER00000006931
1762-01-23T11:00-27.8212.321426.7THE CAPE OF GOOD HOPES40:00E164N38:00W158.00-16SSEMODERATEHAZY WEATHER00000006932
1762-01-24T11:00-25.339.7214119.0THE CAPE OF GOOD HOPES40:51E232N43:00W205.00VARIATION OF AMPLITUDE 18:23W-17SSEFRESH GALESCLOUDY WEATHER00000006933
1762-01-25T12:00-23.257.2914319.0THE CAPE OF GOOD HOPES42:14E291N47:00W184.00VARIATION OF AZIMUTH 17:36W-15SSEFRESH GALESCLOUDY WEATHER00000006934
1762-01-26T12:00-21.355.1714219.0THE CAPE OF GOOD HOPES42:42E347N46:00W165.00-16SSEFRESH GALESCLOUDY WEATHER00000006935
1762-01-27T12:00-19.853.061426.7THE CAPE OF GOOD HOPES43:51E395N53:00W149.00VARIATION OF AZIMUTH 15:26W-16S, SSW, SSEMODERATEHAZY WEATHER00000006936
1762-01-28T12:00-18.351.041676.7THE CAPE OF GOOD HOPES44:39E440N52:00W146.00-13SMODERATEHAZY WEATHER00000006937
1762-01-29T12:00-17.18-0.991446.7THE CAPE OF GOOD HOPES45:54E487N59:00W136.00VARIATION OF AZIMUTH 15:22W-14SSEMODERATEHAZY WEATHER00000006938
1762-01-30T12:00-16.30-2.861239.3OF ST HELENAN86:09W80N64:00W126.00VARIATION OF AMPLITUDE 13:30W-12SEFRESH BREEZESCLOUDY WEATHER00000006939
1762-01-31T12:00-16.20-4.861239.3THE CAPE OF GOOD HOPEN84:35W44N87:00W116.00VARIATION OF AMPLITUDE 12:07-12SEFRESH BREEZESCLOUDY WEATHER00000006940
1762-02-13T12:00-14.88-6.871236.7OF HELENASE31NW94.00VARIATION OF AZIMUTH 12:00W-12SEMODERATECLOUDY WEATHER00000006941
1762-02-14T13:00-13.25-8.781036.7OF HELENAS47:15E81N41:00W149.00VARIATION OF AZIMUTH 11:02W-10ESEMODERATECLOUDY WEATHER00000006942
1762-02-15T13:00-11.25-10.321026.7OF HELENAS43:17E130NW1/2N145.00-11ESEMODERATECLOUDY WEATHER00000006943
1762-02-16T13:00-9.65-11.781246.7OF HELENAS43:02E173N42:00W130.00VARIATION OF AZIMUTH 10:43W-11SEMODERATECLOUDY WEATHER00000006944
1762-02-17T13:00-8.25-13.931276.7OF HELENAS44:38E218N50:00W130.00VARIATION OF AZIMUTH 10:46W-8SEMODERATECLOUDY WEATHER00000006945
1762-02-18T13:00-7.69-14.891276.7OF ASCENSIONWBN2VARIATION OF AMPLITUDE 10:09W-8SEMODERATECLOUDY WEATHER00000006946
1762-02-19T13:00-7.13-15.821376.7OF ASCENSIONS59:00E34N59:00W101.00-9SE-SEBSMODERATECLOUDY WEATHER00000006947
1762-02-20T13:00-6.17-17.171266.7OF ASCENSIONS56:33E66N54:00W99.00VARIATION OF AZIMUTH 10:22W-9SEMODERATECLOUDY WEATHER00000006948
1762-02-21T13:00-5.05-19.041296.7OF ASCENSIONS57:24E109N59:00W130.00VARIATION OF AZIMUTH 7:16W-6SEMODERATECLOUDY WEATHER00000006949
1762-02-22T13:00-3.93-21.021076.7OF ASCENSIONS50:20E155N60:00W136.00VARIATION OF AZIMUTH 6:35W-6ESEMODERATECLOUDY WEATHER00000006950
1762-02-23T14:00-2.83-23.121096.7OF ASCENSIONS59:16E202N62:00W142.00VARIATION OF AZIMUTH 6:18W-4ESEMODERATECLOUDY WEATHER00001006951
1762-02-24T14:00-1.30-25.09746.7OF ASCENSIONS57:52E252N52:00W150.00VARIATION OF AZIMUTH 6:14W-5ESE-EBNMODERATECLOUDY WEATHER00000006952
1762-02-25T14:00-0.20-26.521306.7OF ASCENSIONS57:11E288N53:00W109.00AZIMUTH VARIATION 5:17W-5SEMODERATECLOUDY WEATHER00000006953
1762-02-26T14:000.57-26.701306.7ASCENSIONS55:07E300N15:00W47.00-5ESE-SESETT W6 FATHOMSMODERATECLOUDY WEATHER00000006954
1762-02-27T14:000.98-27.493621.0ASCENSIONS55:30E317NWBW1/2W53.00-5VARIABLELIGHT AIRSCLOUDYHARD SHOWERS OF RAIN11000006955
1762-02-28T14:002.00-28.603626.7ASCENSIONS54:49E347N48:00W91.00-2VARIABLEMODERATECLOUDYRAIN01001006956
1762-03-01T14:002.32-29.073620.0OF ASCENSIONS54:05E358N56:00W34.00-2VARIABLECALMSDARK, CLOUDY WEATHER00000006957
1762-03-02T14:003.18-30.07319.3OF ASCENSIONS54:10E382N49:00W79.00-3NE-NEBNFRESH BREEZESCLOUDYRAIN01000006958
1762-03-03T14:004.48-31.74429.3OF ASCENSIONS54:13E427N52:00W128.00-3NEFRESH BREEZESCLOUDYRAIN01000006959
1762-03-04T14:005.30-33.35226.7OF ASCENSIONS54:55E454N63:00W109.00VARIATION OF AZIMUTH 00:15W-1NNEMODERATECLOUDY WEATHER00000006960
1762-03-05T14:006.50-34.57339.3OF ASCENSIONS54:54E496N45:00W103.00VARIATION OF AZIMUTH 00:52W-1NEBNFRESH BREEZESFAIR WEATHER00000006961
1762-03-06T14:008.05-35.69329.3OF ASCENSIONS52:54E532N36:00W114.00-2NEBNFRESH BREEZESFAIR WEATHER00000006962
1762-03-07T14:009.67-36.89326.7OF ASCENSIONS51:46E571N36:00W120.00VARIATION OF AZIMUTH 00:24W-2NEBNMODERATECLOUDY WEATHER00000006963
1762-03-08T15:0011.48-38.07349.3OF ASCENSIONS50:23E611N32:00W130.00VARIATION OF AZIMUTH 00:10W0NEBNFRESH BREEZESCLOUDYSHOWERS OF RAIN11000006964
1762-03-09T15:0013.20-39.12449.3OF ASCENSIONS49:13E647N27:00W120.00VARIATION OF AMPLITUDE 00:11W-1NEFRESH BREEZESCLOUDYSHOWERS OF RAIN11000006965
1762-03-10T15:0014.92-39.84449.3OF ASCENSIONS47:46E682N21:00W112.00-1NEFRESH BREEZESCLOUDYSHOWERS OF RAIN11000006966
1762-03-11T15:0017.00-40.54679.3OF ASCENSIONS47:49E721N17:00W189.00VARIATION OF AMPLITUDE 1:16W-1ENEFRESH BREEZESCLOUDYSHOWERS OF RAIN11000006967
1762-03-12T15:0019.00-40.84769.3OF ASCENSIONS43:52E752N8:00W121.00-3EBNFRESH BREEZESCLOUDYSHOWERS OF RAIN11000006968
1762-03-13T15:0019.68-41.173611.0OF ASCENSIONS43:22E761N9:00W33.00VARIATION OF AZIMUTH 2:13W-3EBS, CALMLIGHT AIRS AND CALMS00000006969
1762-03-14T15:0020.12-41.04871.0OF ASCENSIONS43:01E766N13:00W27.00VARIATION OF AMPLITUDE 2:35W-3SE, CALM, ELIGHT AIRS AND CALMSGREAT SWELL FROM THE NW00000006970
1762-03-15T15:0021.18-41.00876.7OF ASCENSIONS41:52E784N2:00E64.00VARIATION OF AMPLITUDE 03:00W-3EMODERATECLOUDY WEATHER00000006971
1762-03-16T15:0022.50-40.90876.7OF ASCENSIONS40:26E801N3:00E80.00VARIATION OF AMPLITUDE 3:03W-3EMODERATECLOUDY WEATHER00000006972