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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 AURORA cruise from Yarmouth to Barbados started at 1777-12-10 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747559, 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: 27.992727 * Median Longitude: -28.010303 * South-bound Latitude: 12.930000 * West-bound Longitude: -58.000000 * North-bound Latitude: 49.750000 * East-bound Longitude: -7.320000
Date/Time Start: 1777-12-10T00:00:00 * Date/Time End: 1778-01-13T16:00:00
Event(s):
Aurora_17771210_NMM_ADM/L/A237 * Latitude Start: 48.730000 * Longitude Start: -7.500000 * Latitude End: 14.850000 * Longitude End: -59.680000 * Date/Time Start: 1777-12-10T00:00:00 * Date/Time End: 1778-01-13T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Aurora (5th Rate Frigate), Voyage: Yarmouth - Barbados, 1st Observer: James Cumming (Captain), 2nd Observer: John Nicholas (1st Officer/Master), Company: Royal Navy, Other ship information: 32G 679BM
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 State of the sea descriptionState sea descr
17 ClearnessClearness
18 GustsGusts1 If wind gusts are reported
19 Precipitation/RainRain1 If rain was reported
20 FogFog1 If fog was reported
21 Snow typeSnow1 If snow was reported
22 ThunderThunder1 If thunder and or lightning was reported
23 HailHail1 If hail was reported
24 Sea iceSea ice1 If sea-ice or icebergs were reported
25 IdentificationIDCLIWOC 2.1 line number
Size:
642 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 
State sea descr
17 
Clearness
18 
Gusts
(1 If wind gusts are reported)
19 
Rain
(1 If rain was reported)
20 
Fog
(1 If fog was reported)
21 
Snow
(1 If snow was reported)
22 
Thunder
(1 If thunder and or lightning...)
23 
Hail
(1 If hail was reported)
24 
Sea ice
(1 If sea-ice or icebergs were...)
25 
ID
(CLIWOC 2.1 line number)
1777-12-10T00:001132.6LIZARDNE12NNE, NE, ESELIGHT BREEZESHAZY WEATHER000000022787
1777-12-11T12:0049.75-7.321812.6LIZARDN82E27S82W82.00-22ESE, SW, SSWLIGHT BREEZESHAZY WEATHER000000022788
1777-12-12T13:0049.00-8.132252.6LIZARDN63E42S12W32.00-23SW, W, WSWLIGHT BREEZESHAZY WEATHER000000022789
1777-12-13T13:0048.58-8.801352.6LIZARDN59E58S48W36.00-23SW, S, SSELIGHT BREEZES AND CALMSWELL FROM THE NW000000022790
1777-12-14T13:0047.68-9.921122.6LIZARDN54E77S40W70.00-23SSE, SELIGHT BREEZESFINE WEATHER000000022791
1777-12-15T13:0046.25-11.331142.6LIZARDN48E110S35W105.00-21SELIGHT BREEZESFINE WEATHER000000022792
1777-12-16T13:0044.82-13.00926.7LIZARDN46E148S39W111.00-21SSE, ESEMODERATEFAIR000000022793
1777-12-17T13:0042.70-15.15929.3LIZARDN43E199S37W159.00-21ESEFRESH BREEZESCLOUDY000000022794
1777-12-18T13:0040.37-16.824919.0LIZARDN40E252S29W158.00-19ESE, ENEFRESH GALESCLOUDY000000022795
1777-12-19T13:0038.12-17.70269.3LIZARDN37E297S18W137.00-19ESE, NEFRESH BREEZESRAINCLOUDY010000022796
1777-12-20T13:0035.97-18.60289.3LIZARDN34E337S19W136.00-17NEFRESH BREEZESRAINCLOUDY010000022797
1777-12-21T13:0034.33-18.93286.7LIZARDN33E370S10W100.00-17NEMODERATEFINE WEATHER000000022798
1777-12-22T13:0032.70-19.192986.7MADEIRANW1/2W-17NE, NWMODERATEFINE WEATHER000000022799
1777-12-23T13:0032.05-19.42302.6MADEIRAN1/2W10-16NW, NELIGHT BREEZESCLOUDY WEATHER000000022800
1777-12-25T13:0030.40-19.65989.3MADEIRANEBN16-16N, SE, ESEFIRST AND MIDDLE PARTS LIGHT BREEZES, LATTR FRESH BREEZESCLOUDY000000022801
1777-12-26T13:0028.75-19.957519.0MADEIRAN40E79S40W238.00-16EFRESH GALESCLOUDY000000022802
1777-12-27T13:0028.00-21.97989.3MADEIRAN42E125S46W150.00-16ESEFRESH BREEZESCLOUDY000000022803
1777-12-28T14:0026.70-23.821019.3MADEIRAN45E168S53W124.00-12ESEFRESH BREEZESRAINCLOUDY010000022804
1777-12-29T14:0025.28-26.09789.3MADEIRAN47E218S56W148.00-12EFRESH BREEZESRAINCLOUDY010000022805
1777-12-30T14:0023.83-28.34809.3MADEIRAN48E267S56W149.00-10EFRESH BREEZESRAINCLOUDY010000022806
1777-12-31T14:0022.17-30.16709.3MADEIRAN48E317SW1/4W150.00-9EBNFRESH BREEZESRAINCLOUDY010000022807
1778-01-01T14:0020.63-31.63479.3MADEIRAN48E360SW1/4W132.00-9NEBEFRESH BREEZESCLOUDY000000022808
1778-01-02T14:0018.83-33.651076.7MADEIRAN48E414SW1/4W163.00-6EBNMODERATECLOUDY000000022809
1778-01-03T14:0017.80-35.67739.3MADEIRAN49E457S62W138.00-6EBNFRESH BREEZESCLOUDY000000022810
1778-01-04T15:0016.50-37.81659.3MADEIRAN58E506S60W150.00-3ENEFRESH BREEZESCLOUDY000000022811
1778-01-05T15:0015.50-39.45989.3MADEIRAN51E545S62W126.00-3EBSFRESH BREEZESCLOUDY000000022812
1778-01-06T15:0014.50-41.41659.3MADEIRAN52E588S64W134.00-3EBSFRESH BREEZESCLOUDY000000022813
1778-01-07T15:0013.50-43.381129.3MADEIRAN52E631S63W136.00-1ENEFRESH BREEZESCLOUDY000000022814
1778-01-08T15:0013.42-45.25899.3MADEIRAN54E661S87W116.00-1EFRESH BREEZESCLOUDY000000022815
1778-01-09T15:0013.40-47.39896.7MADEIRAN56E695S89W112.00-1EMODERATECLOUDY000000022816
1778-01-10T15:0013.00-49.28919.3MADEIRAN57E731S84W118.001EFRESH BREEZESCLOUDY WEATHER000000022817
1778-01-11T15:0013.07-52.25809.3MADEIRAN59E778W1/4N180.001EBNFRESH BREEZESHAZY000000022818
1778-01-12T16:0013.23-54.88819.3MADEIRAN62E820W1/4N160.002EBNFRESH BREEZESHAZY000000022819
1778-01-13T16:0012.93-58.00949.3MADEIRAN66E875W190.004EFRESH BREEZESHAZY000000022820