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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 JUNO cruise from Port Egmont to Plymouth started at 1771-10-01 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.749912, 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: -6.685660 * Median Longitude: -36.436604 * South-bound Latitude: -49.430000 * West-bound Longitude: -56.950000 * North-bound Latitude: 43.070000 * East-bound Longitude: -26.250000
Date/Time Start: 1771-10-01T16:00:00 * Date/Time End: 1771-11-30T14:00:00
Event(s):
Juno_17711001_NMM_ADM/L/J141 * Latitude Start: -51.350000 * Longitude Start: 60.000000 * Latitude End: 50.299000 * Longitude End: -4.150000 * Date/Time Start: 1771-10-01T00:00:00 * Date/Time End: 1771-11-30T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Juno (5th Rate Frigate), Voyage: Port Egmont - Plymouth, 1st Observer: John Stott (Captain), Company: Royal Navy, Other ship information: 32G 646BM
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:
1009 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)
1771-10-01T16:00-49.43-56.953361.0PORT EGMONTS46:24W55N54E134.0021NNE, NWLIGHT AIRS0010000126651
1771-10-02T16:00-49.08-55.5633622.6PORT EGMONTS52:06W73N69E59.0021NNW, NWFRESH BREEZES AND SQUALLY, AT 8 STRONG GALES AND SQUALLY0000000126652
1771-10-03T16:00-47.10-52.7028922.6PORT EGMONTS48:43W128N44E165.0019NW, WBN, WFIRST PART FRESH BREEZES, MIDDLE AND LATTER STRONG GALESFIRST PART CLOUDY0000000126653
1771-10-04T15:00-46.05-50.512986.7PORT EGMONTS50:02W165N55E110.0017NNW, WBNMODERATEFAIR0000000126654
1771-10-05T15:00-46.12-49.81286.7PORT EGMONTS52:22W171S82E29.0017NNW, N, NBEMODERATE, MIDDLE FRESH BREEZESCLOUDY0000000126655
1771-10-06T15:00-44.90-49.1019719.0PORT EGMONTS48:29W195N22E76.0017NNE, SE, SFRESH GALESRAIN0100000126656
1771-10-07T15:00-42.15-47.012849.3PORT EGMONTS44:11W256N29E189.0014SSW, WSW, SWBW, WFRESH BREEZESHAZY0000000126657
1771-10-08T15:00-42.00-45.5814PORT EGMONTS46:44W272N82E65.0014WNW, W, NFIRST PART LIGHT BREEZES, MIDDLE CALM0000000126658
1771-10-09T15:00-41.92-44.632179.3PORT EGMONTS48:18W283N83E41.0014NNE, SSWMODERATE, AT 7 FRESH BREEZESRAINHAZY0100000126659
1771-10-10T15:00-40.33-43.052171.0PORT EGMONTS47:02W322N37E119.0014N, SSWLIGHT AIRSRAINCLOUDY0100000126660
1771-10-11T15:00-39.12-40.10911.0PORT EGMONTS45:52W351N31E85.0012SW, E, EBNFRESH BREEZES, LATTER LIGHT AIRS AND CALMRAINY0100000126661
1771-10-12T15:00-37.60-39.951476.7PORT EGMONTS46:06W396N48E136.0012EBN, S, SW, SEFIRST PART LIGHT AIRS, LATTER MODERATELIGHTNINGFAIR0000100126662
1771-10-13T14:00-35.47-36.311436.7PORT EGMONTS47:10W466N54E128.008SSE, SEMODERATECLOUDY0000000126663
1771-10-14T14:00-34.27-34.562336.7PORT EGMONTS47:21W504N50E112.008SSE, SWMODERATECLOUDY0000000126664
1771-10-15T14:00-34.03-33.703466.7PORT EGMONTS47:58W517N72E45.008SWBS, NNWFIRST AND LATTER MODERATE, MIDDLE CALMCLOUDY0000000126665
1771-10-16T14:00-33.53-31.303209.3PORT EGMONTS49:44W551N76E124.005NBE, N, NWMIDDLE AND LATTER FRESH BREEZES AND SQUALLYCLOUDY0000000126666
1771-10-17T14:00-32.48-29.3632919.0PORT EGMONTS50:10W589N57E116.003N, NNW, NWBNFIRST PART FRESH BREEZES, MIDDLE AND LATTER FRESH GALESFIRST PART CLOUDY0000000126667
1771-10-18T14:00-31.13-28.662966.7PORT EGMONTS49:05W617N24E89.003NWBN, NW, W, WNWFRESH GALES, MIDDLE AND LATTER MODERATEFIRST PART THUNDER AND LIGHTNINGMIDDLE AND LATTER FAIR0000100126668
1771-10-19T14:00-30.53-28.582960.0PORT EGMONTS48:26W627N7E37.003SW, WNWFIRST PART LIGHT BREEZES, MIDDLE AND LATTER CALM0000000126669
1771-10-20T14:00-29.70-28.5831822.6PORT EGMONTS47:29W640N50.003SW, WSW, ENE, NWCALM, LATTER STRONG GALESLATTER RAINCLOUDY0100000126670
1771-10-21T14:00-28.13-27.882519.3PORT EGMONTS46:23W673N21E101.003NNW, NW, WSWFRESH BREEZESRAINCLOUDY0100000126671
1771-10-22T14:00-26.47-27.501576.7PORT EGMONTS45:02W704N12E103.00-1SW, SE, SSEMODERATECLOUDY0000000126672
1771-10-23T14:00-23.83-26.881001.0PORT EGMONTS43:07W753N12E162.00-1SE, EBSLIGHT AIRSRAINCLOUDY0100000126673
1771-10-24T14:00-21.93-27.06999.3PORT EGMONTS41:20W783N5W115.00-2NEBN, NE, EBSMODERATE, LATTER FRESH BREEZES AND SQUALLYCLOUDY0000000126674
1771-10-25T14:00-19.90-27.36889.3PORT EGMONTS39:30W814N8W123.00-2NEBN, EFRESH BREEZESCLOUDY0000000126675
1771-10-26T14:00-17.70-27.08996.7PORT EGMONTS38:08W855N7E133.00-2EBN, E, EBSMODERATECLOUDY0000000126676
1771-10-27T14:00-15.05-26.85986.7PORT EGMONTS36:36W904N5E160.00-3EBN, EBSMODERATECLOUDY0000000126677
1771-10-28T14:00-12.27-27.05529.3PORT EGMONTS34:44W951N4W168.00-4EBN, NEBEFRESH BREEZES AND SQUALLY0000000126678
1771-10-29T14:00-9.95-27.20869.3PORT EGMONTS33:20W990N4W140.00-4EBN, EFRESH BREEZES AND SQUALLY0000000126679
1771-10-30T14:00-7.28-27.11749.3PORT EGMONTS32:01W1039N2E160.00-5EBNFRESH BREEZESCLOUDY0000000126680
1771-10-31T14:00-4.47-26.25966.7PORT EGMONTS31:21W1098N17E177.00-5EBSMODERATE FAIR0000000126681
1771-11-01T14:00-2.17-26.461296.7PORT EGMONTS30:10W1138N1/2W139.00-6E, SEMODERATECLOUDY0000000126682
1771-11-10T14:0015.22-32.66199.3PORT EGMONTS19:59W1416N41W152.00-4NEBN, NNEFRESH BREEZESHARD RAIN0100000126683
1771-11-11T14:0017.33-34.71309.3PORT EGMONTS18:06W1445N43W173.00-4NEBNFRESH BREEZESFAIR0000000126684
1771-11-12T14:0019.12-36.35289.3PORT EGMONTS16:37W1471N41W142.00-6NE, NEBEMODERATE, LATTER FRESH BREEZES AND SQUALLYLATTER RAINCLOUDY0100000126685
1771-11-13T14:0021.30-37.28509.3PORT EGMONTS15:34W1509N22W141.00-6NEBEMODERATE, LATTER FRESH BREEZES AND SQUALLYLATTER RAINCLOUDY0100000126686
1771-11-14T15:0023.17-37.86406.7PORT EGMONTS14:51W1542N16W116.00-5NEMODERATEFAIR0000000126687
1771-11-15T15:0024.45-39.18189.3PORT EGMONTS13:46W1561N43W105.00-5NEBN, NNEFIRST PART LIGHT BREEZES, LATTER FRESH BREEZESCLOUDY0000000126688
1771-11-16T15:0025.37-40.61189.3PORT EGMONTS12:43W1573N55W96.00-5NEBN, NNEFRESH BREEZESCLOUDY0000000126689
1771-11-17T15:0026.62-42.00296.7PORT EGMONTS11:39W1592N44W104.00-5NE, NEBEFIRST PART FRESH BREEZES, MIDDLE AND LATTER MODERATE0000000126690
1771-11-18T15:0027.10-42.33510.0PORT EGMONTS11:23W1600N32W34.00-5NEBELIGHT BREEZES, LATTER CALMCLOUDY0000000126691
1771-11-19T15:0029.03-41.303309.3PORT EGMONTS11:44W1642N25E128.00-8N, NBE, NNWFIRST PART LIGHT AIRS, MIDDLE AND LATTER FRESH BREEZES AND SQUALLYCLOUDY0000000126692
1771-11-20T15:0030.75-40.063076.7PORT EGMONTS12:14W1680N32E122.00-8NNW, NWMODERATERAINCLOUDY0100000126693
1771-11-21T15:0032.13-38.452859.3PORT EGMONTS12:58W1713N45E117.00-8WNWFRESH BREEZES AND SQUALLY0000000126694
1771-11-22T15:0032.32-38.43150.0PORT EGMONTS12:57W1716N1/4W11.00-8NBE, NNELIGHT BREEZES, LATTER CALMCLOUDY0000000126695
1771-11-23T15:0032.33-38.35711.0PORT EGMONTS13:00W1718N79E5.00-8NNE, EBNLIGHT AIRSFAIR0000000126696
1771-11-24T15:0033.08-38.162152.6PORT EGMONTS12:59W1733N12E46.00-10SWFIRST PART CALM, MIDDLE AND LATTER LIGHT BREEZESCLOUDY0000000126697
1771-11-25T14:0035.00-36.66116.7PORT EGMONTS13:31W1776N33E137.00-12SW, WSW, WNW, NNEMODERATECLOUDY0000000126698
1771-11-26T14:0036.40-35.901919.3PORT EGMONTS13:43W1807N23E91.00-12NNE, S, SSWFIRST PART MODERATE, MIDDLE CALM, LATTER FRESH BREEZESCLOUDY0000000126699
1771-11-27T14:0038.07-35.10819.0PORT EGMONTS13:52W1842N21E107.00-15W, NWBW, N, NNEFRESH GALESRAINHAZY0100000126700
1771-11-28T14:0038.92-33.5632319.0PORT EGMONTS14:51W1867N55E89.00-15NBW, N, NNWFRESH GALESRAINHAZY0100000126701
1771-11-29T14:0040.97-32.631889.3PORT EGMONTS14:59W1911N19E130.00-15NW, W, SSWFIRST PART MODERATE, LATTER FRESH BREEZESCLOUDY0000000126702
1771-11-30T14:0043.07-28.8822919.0PORT EGMONTS16:08W1966N53E209.00-19SW, SWBS, NW, WSWFRESH BREEZES, LATTER FRESH GALES WITH HARD SQUALLSRAIN0100000126703