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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 Cadiz to Spithead started at 1795-08-05 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752532, 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: 40.720313 * Median Longitude: -13.949375 * South-bound Latitude: 35.900000 * West-bound Longitude: -18.930000 * North-bound Latitude: 49.770000 * East-bound Longitude: -4.800000
Date/Time Start: 1795-08-05T12:00:00 * Date/Time End: 1795-09-06T12:00:00
Event(s):
Trusty_17950805_NMM_ADM/L/T264 * Latitude Start: 36.070000 * Longitude Start: -6.730000 * Latitude End: 50.680000 * Longitude End: -0.960000 * Date/Time Start: 1795-08-05T00:00:00 * Date/Time End: 1795-09-06T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Trusty (4th Rate Frigate), Voyage: Cadiz - Spithead, 1st Observer: James Walker (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 IdentificationIDCLIWOC 2.1 line number
Size:
622 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 
ID
(CLIWOC 2.1 line number)
1795-08-05T12:0036.37-7.172502.6CAPE ST VINCENTSN66W33S79W47.00-20NE, SE, NE, WLIGHT BREEZESCLEAR0000000259288
1795-08-06T00:0036.58452.6CAPE ST MARYSNEBN9VARIABLE, NELIGHT BREEZESRAIN AT TIMESCLEAR0100000259289
1795-08-07T13:0036.25-8.483180.6CAPE ST VINCENTSN30W18S55W35.00-20N, VARIABLE, NNWLIGHT AIRS INCLINABLE TO CALMS0000000259290
1795-08-08T13:0035.90-9.503409.3CAPE ST VINCENTSN18E24S67W53.00-20NNE, NFIRST PART LIGHT BREEZES, MIDDLE AND LATTER FRESH BREEZESHAZY0000000259291
1795-08-09T13:0036.02-10.6239.3CAPE ST VINCENTSN52E32N83W56.00-20NNEFRESH BREEZESHAZY0000000259292
1795-08-10T13:0036.12-11.7836.7CAPE ST VINCENTSN63E41N82W57.00-20NNEMODERATE BREEZESHAZY0000000259293
1795-08-11T13:0036.20-12.9236.7CAPE ST VINCENTSN75E64N84W55.00-20NNEMODERATECLOUDY0000000259294
1795-08-12T13:0036.20-13.7332.6CAPE FINISTERREN21E162W40.00-20NBW, WSW, NNELIGHT BREEZES AND VARIABLE0000000259295
1795-08-13T13:0037.35-13.533626.7CAPE ROXANTN66E66N8E70.00-20VARIABLEMODERATEVARIABLE0000000259296
1795-08-14T13:0037.28-13.683622.6CAPE FINISTERREN34E130S8W7.00-20VARIABLELIGHT BREEZESCLEAR0000000259297
1795-08-15T13:0038.33-13.532716.7CAPE FINISTERREN36E112N6E64.00-22WNWMODERATE BREEZESCLOUDY0000000259298
1795-08-16T13:0038.65-13.533626.7CAPE FINISTERREN38E107N19.00-22VARIABLEMODERATE AND VARIABLE0000000259299
1795-08-17T13:0038.65-14.533626.7CAPE FINISTERREN46E122W47.00-22VARIABLEMODERATE AND VARIABLE0000000259300
1795-08-18T13:0038.97-14.003629.3CAPE FINISTERREN47E114N39E32.00-22VARIABLEFIRST PART MODERATE BREEZES, MIDDLE VARIABLE AND SQUALLY, LATTER FRESH BREEZESCLOUDY0000000259301
1795-08-19T13:0039.48-15.42469.3CAPE FINISTERREN54E109N64W71.00-22ENEFRESH BREEZESCLEAR0000000259302
1795-08-20T13:0039.75-16.75126.7CAPE FINISTERREN61E129N76W63.00-22NEBNMODERATE BREEZESCLOUDY0000000259303
1795-08-21T13:0039.82-17.92236.7ST MARYSS65W125N84W47.00-22NEMODERATE BREEZESCLOUDY0000000259304
1795-08-22T13:0039.98-18.62232.6ST MARYSS60W121N73W35.00-22NELIGHT BREEZESCLEAR0000000259305
1795-08-23T13:0039.98-18.933621.0ST MARYSS58W113W12.00-22VARIABLELIGHT AIRS AND CALM0000000259306
1795-08-24T13:0040.10-18.853621.0ST MARYSS58W116N25E7.00-22VARIABLELIGHT AIRS AND CALM0000000259307
1795-08-25T13:0040.73-18.172486.7CAPE FINISTERREN72E139N40E53.00-22WMODERATE BREEZESCLOUDY0000000259308
1795-08-26T13:0041.05-17.602716.7CAPE FINISTERREN74E130N54E33.00-22NE, EBN, WNWMODERATE AND VARIABLE0000000259309
1795-08-27T13:0041.70-18.10576.7CAPE FINISTERREN80E134N32W46.00-22E, EBNMODERATECLEAR0000000259310
1795-08-28T13:0042.33-18.30682.6CAPE FINISTERREN85E135N13W40.00-22ELIGHT BREEZESCLEAR0000000259311
1795-08-29T13:0042.82-17.921112.6CAPE FINISTERREE127N30E36.00-24SW, SELIGHT BREEZESCLOUDY0000000259312
1795-08-30T13:0043.60-16.932466.7SCILLYN49E190N42E62.00-24WMODERATE BREEZESHEAVY SWELLCLEAR0000000259313
1795-08-31T13:0044.55-15.652469.3SCILYN48E162N41E76.00-24WFIRST PART MODERATE BREEZES, MIDDLE AND LATTER FRESH BREEZESCLOUDY0000000259314
1795-09-01T13:0045.93-14.172249.3SCILLYN51E129N37E104.00-24WSWFRESH BREEZESRAIN AT TIMESHAZY0100000259315
1795-09-02T13:0046.12-12.80362SCILLYN47E113N78E54.00-24VARIABLEVARIABLERAINCLOUDY0100000259316
1795-09-03T13:0046.45-11.23362SCILLYN41E92N73E70.00-23VARIABLEFIRST PART LIGHT BREEZES, MIDDLE FRESH GALES AND SQUALLYMIDDLE THUNDER AND LIGHTNINGRAIN0100100259317
1795-09-04T13:0047.42-9.652929.3SCILLYN39E63N49E90.00-23SW, NWFRESH BREEZES WITH SQUALLSRAIN AT TIMESHAZY0100000259318
1795-09-05T13:0049.18-7.5722319.0SCILLYN45E15N45E131.00-25SSW, WSWFIRST PART FRESH BREEZES, MIDDLE SQUALLY, LATTER FRESH GALESMIDDLE RAINFIRST PART CLOUDY, LATTER HAZY0100000259319
1795-09-06T12:0049.77-4.80179LIZARDN57W71N72E112.00-24SSWFIRST AND MIDDLE PARTS STRONG GALES AND SQUALLYRAIN0100000259320