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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 Spithead to Santa Cruz started at 1796-07-01 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752533, 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: 40.665588 * Median Longitude: -13.541176 * South-bound Latitude: 29.630000 * West-bound Longitude: -19.970000 * North-bound Latitude: 49.730000 * East-bound Longitude: -4.120000
Date/Time Start: 1796-07-01T12:00:00 * Date/Time End: 1796-08-09T12:00:00
Event(s):
Trusty_17960701_NMM_ADM/L/T264 * Latitude Start: 50.680000 * Longitude Start: -0.960000 * Latitude End: 28.450000 * Longitude End: -16.250000 * Date/Time Start: 1796-07-01T00:00:00 * Date/Time End: 1796-08-09T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Trusty (4th Rate Frigate), Voyage: Spithead - Santa Cruz, 1st Observer: John Osborn (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
--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 CommentComment
27 IdentificationIDCLIWOC 2.1 line number
Size:
647 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 
Comment
27 
ID
(CLIWOC 2.1 line number)
1796-07-01T12:0049.68-5.533146.7LIZARDN40E71S40W21.00-24WNW, N, NNE, NNWFIRST PART LIGHT WINDS, MIDDLE FRESH WINDS, LATTER MODERATEFRST PART CLEAR, MIDDLE CLOUDY, LATTER HAZY0000000259321
1796-07-02T13:0048.38-7.771912.3SCILLYN25E98S51W124.00-26N, NNW, NEFIRST PART FRESH BREEZES, MIDDLE LIGHT WINDS, LATTER FRESH WINDSFIRST PART HAZY, MIDDLE AND LATTER CLOUDY0000000259322
1796-07-03T13:0046.08-10.032919.3CAPE FINISTERRES10E86S31W138.00-24N, NWFRESH BREEZES AND SQUALLYRAIN0100000259323
1796-07-04T13:0043.82-12.60336CAPE FINISTERRES71E59S31W159.00-24NFIRST PART MODERATE, MIDDLE AND LATTER PARTS FRESHFIRST PART CLOUDY, MIDDLE AND LATTER HAZY0000000259324
1796-07-05T13:0041.48-13.773386.7MADEIRAS15W186S20W139.00-22NFIRST PART FRESH BREEZES, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER THICKFIRST PART HAZY0000000259325
1796-07-06T13:0039.47-13.773496.7MADEIRAS20W156S121.00-22NBEMODERATE BREEZESTHICK FOGGY WEATHER0010000259326
1796-07-07T13:0037.12-13.734812.3PORTO SANCTOS7W8S3W133.00-20ENEFRESH WINDSFIRST AND LATTER CLOUDY, MIDDLE CLEAR0000000259327
1796-07-08T13:0034.62-14.733406.7PORTO SANCTOS49W43S18W157.00-20NMODERATE BREEZESCLEAR0000000259328
1796-07-09T13:0032.50-15.2749TENERIFFESBW84S36W153.00-19ENEFIRST PART MODERATE GALES, MIDDLE AND LATTER FRESH WINDSFIRST PART PLEASANT WEATHERMIDDLE AND LATTER CLOUDY0000000259329
1796-07-10T13:0029.63-16.571169.3TENERIFFES19E21S4W173.00-19SEFRESH BREEZESFIRST AND LATTER PARTS HAZY, MIDDLE CLOUDY0000000259330
1796-07-17T13:0029.93-17.985012.3TENERIFFESSE1/2E40N27W122.00-18ENEFRESH WINDSCLOUDY0000000259331
1796-07-18T13:0031.08-18.686112.3TENERIFFES29:30E62N28W78.00-18EBNFRESH WINDSCLOUDY0000000259332
1796-07-19T13:0032.22-19.22506.7TENERIFFES27E86N22W73.00-18E, EBS, ENEFIRST AND MIDDLE PARTS FRESH WINDS, LATTER MODERATEFIRST PART CLOUDY, MIDDLE AND LATTER CLEAR0000000259333
1796-07-20T13:0033.02-19.15931.0PORTO SANCTOS88:20E47N4E48.00-20ESELIGHT AIRSCLEAR0000000259334
1796-07-21T13:0033.63-19.18252.6ST MARYSNWBW120N3W37.00-20E, NELITTLE WINDCLEAR0000000259335
1796-07-22T13:0034.63-19.32932.6ST MARYSN64W106N6W60.00-20E, ESELIGHT WINDSCLEAR0000000259336
1796-07-23T13:0035.77-19.80816.7ST MARYSN75W92N19W72.00-20EBSMODERATESWELL FROM NCLOUDY0000000259337
1796-07-24T13:0036.17-19.97592.6CAPE FINISTERREN51E212N14W25.00-20EBNLIGHT WINDSCLOUDY0000000259338
1796-07-25T13:0037.73-19.152932.6CAPE FINISTERREN56E184NNE102.00-22NWLIGHT WINDSCLOUDY0000000259339
1796-07-26T13:0038.32-18.072930.0CAPE FINISTERREN56E163N56E63.00-22NNE, NWCALMSHOWERYLARGE SWELL FROM NW1000000259340
1796-07-27T13:0038.68-16.473496.7CAPE FINISTERREN52E140N73E76.00-22NBEMODERATECLOUDY0000000259341
1796-07-28T13:0039.52-16.032931.0CAPE FINISTERREN57E122NNE54.00-22NWLIGHT AIRSCLEAR0000000259342
1796-07-29T13:0041.92-15.402716.7CAPE FINISTERREN78E91NBE147.00-22NBW, WNWMODERATE BREEZESFAIR0000000259343
1796-07-30T13:0042.62-13.372919.3CAPE FINISTERREN85:30E60N65E99.00-24NBE, NWFRESH BREEZES AND SQUALLY0000000259344
1796-07-31T13:0043.22-12.1333619.0CAPE FINISTERRES80:30E42NEBE65.00-24NNW, NFRESH GALES AND SQUALLY0000000259345
1796-08-01T13:0045.25-11.453026.7CAPE FINISTERRES33E57N14E126.00-24WNW, W, NWBNMODERATE BREEZESCLOUDY0000000259346
1796-08-02T13:0047.27-9.332249.3USHANTN67E62N36E150.00-24WNW, NNW, WSWFRESH BREEZESCLOUDY0000000259347
1796-08-03T13:0047.57-8.453232.6USHANTN68E49N63E39.00-26VARIABLE, NEBN, NBWLIGHT WINDSCLEAR0000000a trivial correction was made in this observation259348
1796-08-04T13:0047.57-8.55190.0USHANTN68E50W4.00-26NECALMSWELL FROM NW0000000259349
1796-08-05T13:0047.53-8.88192.6USHANTN68E55S64W16.00-26NELIGHT WINDSCKEAR0000000259350
1796-08-06T13:0048.08-8.25289USHANTN79E42NEBN46.00-26WNW, NWCLEAR0000000259351
1796-08-07T13:0048.72-7.632896.7LIZARDN52E40NEBN46.00-26S, NWMODERATE BREEZESHAZY0000000259352
1796-08-08T12:0049.73-6.052012.6LIZARDN81E111N42E93.00-24W, SWBW, W, SWLIGHT WINDS0010000259353
1796-08-09T12:0049.67-4.1226912.3SCILLYEBN71S81E76.00-24WNWFRESH WINDSSMALL RAIN0100000259354