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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 ADAMANT cruise from St. Pierre Bay Martinico to St. Johns started at 1795-07-21 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747154, 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: 32.499000 * Median Longitude: -61.509000 * South-bound Latitude: 18.770000 * West-bound Longitude: -63.690000 * North-bound Latitude: 46.920000 * East-bound Longitude: -55.220000
Date/Time Start: 1795-07-21T16:00:00 * Date/Time End: 1795-08-09T16:00:00
Event(s):
Adamant_17950721_NMM_ADM/L/A22 * Latitude Start: 18.770000 * Longitude Start: -62.070000 * Latitude End: 47.670000 * Longitude End: -52.270000 * Date/Time Start: 1795-07-21T00:00:00 * Date/Time End: 1795-08-09T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Adamant (4th Rate Frigate), Voyage: St Pierre Bay Martinico - St Johns Newfoundland, 1st Observer: Henry D'Esteree Darby (Captain), Company: Royal Navy, Other ship information: 50G 1044BM
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 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:
376 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 
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)
1795-07-21T16:0018.77-62.07462.6ANTIGUAS32N96.001NEBE, ENE, NELIGHT BREEZESCLEAR0000000474
1795-07-22T16:0021.10-62.07916.7ANTIGUAS80N145.001EBN, EMODERATE BREEZESCLEAR WEATHER0000000475
1795-07-23T16:0023.10-62.23896.7ANTIGUASE121N1/2W122.00-1ENE, EMODERATE BREEZESCLEAR WEATHER0000000476
1795-07-24T16:0026.10-61.87896.7ANTIGUAS1:16W168N8E143.00-1EBS, EMODERATE BREEZESCLEAR WEATHER0000000477
1795-07-25T16:0026.82-61.651006.7BERMUDAN18W113N9E83.00-1E, EBS, EBSMODERATE BREEZESCLEAR WEATHER0000000478
1795-07-26T16:0027.62-62.00862.6BERMUDAN19:18W97NBW48.00-4VARIABLE, ELIGHT BREEZESCLEAR WEATHER0000000479
1795-07-27T16:0028.12-62.493621.0BERMUDAN18W86NWBN36.00-4VARIABLELIGHT AIRS AND CALMS, AM LIGHT AIRS0000000480
1795-07-28T16:0028.75-62.753621.0BERMUDAN20:24W72N7W42.00-2NE, ENE, VARIABLELIGHT AIRS AND CALMS0000000481
1795-07-29T16:0030.23-63.33881.0BERMUDAN25:21W42NBW90.00-2ENE, NE, ELIGHT AIRS AND CLEAR0000000482
1795-07-30T16:0031.58-63.51886.7BERMUDAN69W22N79.00-2VARIABLE, EBN, EMODERATE BREEZESCLEAR WEATHER0000000483
1795-07-31T16:0032.83-63.69631.0BERMUDAN69W20N15.00-5NEBE, NNW, ENELIGHT AIRS AND CALMS0000000484
1795-08-01T16:0032.83-63.473621.0BERMUDAS62W27N18E64.00-5NNW, VARIABLELIGHT AIRSCLEAR WEATHER0000000485
1795-08-02T16:0034.58-62.982201.0CAPE RACEN29E273N18E174.00-5WNW, SWLIGHT AIRSRAIN AT TIMESCLEAR WEATHER0100000486
1795-08-03T16:0034.98-62.542881.0CAPE RACEN28E261N51E40.00-5VARIABLE, WNWLIGHT AIRSCLEAR WEATHER0000000487
1795-08-04T16:0036.22-61.902862.6CAPE RACEN28E233N28E84.00-7NNW, WNWLIGHT BREEZESCLEAR WEATHER0000000488
1795-08-05T16:0038.65-61.253036.7CAPE RACEN31:31E184N16E150.00-12WNW, NWMODERATE BREEZESCLEAR WEATHER0000000489
1795-08-06T16:0041.98-60.3421322.6CAPE RACEN41E119N14E207.00-12SWFRESH BREEZES, AM STRONG GALESAM RAIN AT TIMESHAZY WEATHER0100000490
1795-08-07T16:0043.40-58.822769.3CAPE RACEN41E82N24E312.00-17WNWFRESH BREEZESHAZY WEATHER0000000491
1795-08-08T16:0045.40-56.002966.7CAPE RACEN62E41N21E133.00-19WNW, NWBW, NWMODERATE BREEZES0010000492
1795-08-09T16:0046.92-55.222742.6POINT CHAPEAU ROUGEWNW21-19WNWLIGHT BREEZESCLEAR WEATHER0000000493