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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 TRUSTY cruise from Plymouth to Barbados started at 1790-03-14 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752530, 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: 25.077500 * Median Longitude: -29.122143 * South-bound Latitude: 13.030000 * West-bound Longitude: -56.380000 * North-bound Latitude: 49.200000 * East-bound Longitude: -8.270000
Date/Time Start: 1790-03-14T13:00:00 * Date/Time End: 1790-04-26T00:00:00
Event(s):
Trusty_17900314_NMM_ADM/L/T149 * Latitude Start: 50.299000 * Longitude Start: -4.150000 * Latitude End: 14.850000 * Longitude End: -59.680000 * Date/Time Start: 1790-03-14T00:00:00 * Date/Time End: 1790-04-26T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Trusty (4th Rate Frigate), Voyage: Plymouth - Barbados, 1st Observer: John Drew (Captain), Company: Royal Navy, Other ship information: 50G 1080BM
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:
552 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)
1790-03-14T13:0049.20-8.272236.7LANDS ENDN29E21SW27.00-25N, NBE, NNE, WSWMODERATEMIDDLE AND LATTER SERENE WEATHERFIRST PART HAZY0000000259246
1790-03-15T13:0047.28-11.2333712.3LANDS ENDN44E77S44W172.00-23ESE, SSE, NFIRST PART MODERATE, MIDDLE AND LATTER STRONG BREEZESFIRST PART FAIR, MIDDLE AND LATTER CLOUDY0000000259247
1790-03-16T13:0044.42-14.0012322.6PORTO SANCTOS7W228S35W210.00-23SE, SEBSFIRST PART STRONG GALES, MIDDLE AND LATTER STRONG GALES AND SQUALLYFIRST PART CLOUDY0000000259248
1790-03-17T13:0041.92-14.831039.3PORTO SANCTOS8W181S14W154.00-21SE, SEBEFIRST PART FRESH GALES, MIDDLE AND LATTER FRESH BREEZESFIRST PART HAZY, MIDDLE AND LATTER CLEAR0000000259249
1790-03-18T13:0039.33-15.301149.3PORTO SANCTOS8W126S8W156.00-21SEBE, SEBS, SEFRESH BREEZESCLOUDY0000000259250
1790-03-19T13:0036.55-15.501159.3PORTO SANCTOS12W73S4W167.00-20ESE, SEFRESH BREEZESCLOUDY0000000259251
1790-03-20T13:0033.18-16.30939.3PORTO SANCTOS37W6S10W205.00-20ESEFIRST AND LATTER PARTS FREH BREEZES, MIDDLE FRESH BREEZES AND SQUALLYMIDDLE RAINFIRST AND LATTER PARTS CLOUDY0100000259252
1790-04-05T13:0032.03-17.1536212.3FONCHALN1/2E12S6W36.00-18WNW, WBN, VARIABLELIGHT BREEZES, AM STRONG BREEZES AND SQUALLYRAINHAZY0100000259253
1790-04-06T13:0029.63-18.322872.6PALMAS26E23S23W157.00-17WNW, NWBWFIRST AND MIDDLE PARTS FRESH BREEZES AND SQUALLY, LATTER LIGHT BREEZESFIRST AND MIDDLE PARTS CLOUDY, LATTER CLEAR0000000259254
1790-04-07T13:0027.83-19.333622.6BARBADOSS69W821S27W122.00-17NW, VARIABLELIGHT BREEZESCLOUDY0000000259255
1790-04-08T13:0026.17-19.833102.6BARBADOSS71W795S14W103.00-16VARIABLE, NWBNLIGHT BREEZESCLEAR0000000259256
1790-04-09T13:0023.68-20.932886.7BARBADOSS73:20W748S21W166.00-16WBN, NWBWMODERATECLOUDY0000000259257
1790-04-10T14:0021.80-23.433026.7BARBADOSS76W708S51W179.00-13NBE, NWMODERATESERENE WEATHER0000000259258
1790-04-11T14:0020.55-25.82106.7BARBADOSS77:35W659S61W153.00-13ENE, NNEMODERATECLOUDY0000000259259
1790-04-12T14:0019.92-27.72136.7BARBADOSS77:45W622S70W114.00-10NBE, SBE, NNEMODERATECLOUDY0000000259260
1790-04-13T14:0019.30-29.17131.0BARBADOSS78W591S66W90.00-10ESE, SE, NNELIGHT AIRSCLOUDY0000000259261
1790-04-14T14:0019.03-30.331146.7BARBADOSS78:15W568S76W68.00-10ESE, ENE, SEBEMODERATECLEAR0000000259262
1790-04-15T14:0018.30-32.48696.7BARBADOSS78:45W528S70W130.00-10EBNMODERATECLEAR0000000259263
1790-04-16T14:0017.50-35.0215BARBADOSS79:30W479S72W152.00-8NNEFIRST PART LIGHT BREEZES, MIDDLE FRESH BREEZES, LATTER SQUALLYLATTER SHOWERS OF RAINFIRST PART CLEAR, MIDDLE CLOUDY1100000259264
1790-04-17T15:0016.80-37.88756.7BARBADOSS80:10W426S76W170.00-4ENE, EBNMODERATECLOUDY0000000259265
1790-04-18T15:0016.40-39.60646.7BARBADOSS80:25W393S76W102.00-4EBN, SE, ENEMODERATECLEAR0000000259266
1790-04-19T15:0015.80-41.221202.6BARBADOSS81:45W364S69W100.00-4NEBE, SEBELIGHT BREEZESCLEAR0000000259267
1790-04-20T15:0015.53-43.4396.7BARBADOSS81:40W321S81W130.00-2NE, NBEMODERATECLEAR0000000259268
1790-04-21T15:0015.02-46.97999.3BARBADOSS81:45W270S78W150.00-2ENE, EBSFIRST PART MODERATE, MIDDLE AND LATTER FRESH BREEZESFIRST PART CLEAR0000000259269
1790-04-22T15:0014.62-49.38686.7BARBADOSS82W220S80W142.000ENEMODERATECLEAR0000000259270
1790-04-23T15:0014.00-51.721359.3BARBADOSS84W171S75W141.000SEFIRST AND MIDDLE PARTS MODERATE, LATTER FRESH BREEZES AND SQUALLYLATTER RAINFIRST AND MIDDLE PARTS CLOUDY0100000259271
1790-04-24T16:0013.35-53.881026.7BARBADOSS85W122S73W132.001SEBE, EBSMODERATECLOUDY0000000259272
1790-04-25T16:0013.03-56.381256.7BARBADOSS89W70S82W149.001ENE, SEBEMODERATE BREEZESRAIN0100000259273
1790-04-26T00:001136.7BARBADOSWBN6EBN, ESEMODERATE BREEZESCLOUDY0000000259274