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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 La Graciense cruise from Coulon to Martinique started at 1788-09-24 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.750176, 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: 22.213889 * Median Longitude: -39.928889 * South-bound Latitude: 14.590000 * West-bound Longitude: -61.350000 * North-bound Latitude: 32.600000 * East-bound Longitude: -16.040000
Date/Time Start: 1788-11-15T13:00:00 * Date/Time End: 1788-12-02T16:00:00
Event(s):
La_Graciense_17880924_COTE_4/JJ/33 * Latitude Start: 32.600000 * Longitude Start: -16.040000 * Latitude End: 14.690000 * Longitude End: -60.570000 * Date/Time Start: 1788-11-15T00:00:00 * Date/Time End: 1788-12-02T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: La Graciense (Fregate), Voyage: Coulon - Martinique, 1st Observer: De Vaugiraud (Capitan)
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
--1 If position is considered to be coastal (in port or near coastal disturbances)
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.
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.
Wind force descriptionWind force descrAll reported wind forces on this day
10 Present weatherwwWeather description
11 Precipitation descriptionPrecip descr
12 State of the sea descriptionState sea descr
13 GustsGusts1 If wind gusts are reported
14 Precipitation/RainRain1 If rain was reported
15 FogFog1 If fog was reported
16 Snow typeSnow1 If snow was reported
17 ThunderThunder1 If thunder and or lightning was reported
18 HailHail1 If hail was reported
19 Sea iceSea ice1 If sea-ice or icebergs were reported
20 IdentificationIDCLIWOC 2.1 line number
Size:
222 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

-

Decl [deg]

Wind dir descr

Wind force descr
10 
ww
11 
Precip descr
12 
State sea descr
13 
Gusts
14 
Rain
15 
Fog
16 
Snow
17 
Thunder
18 
Hail
19 
Sea ice
20 
ID
1788-11-15T13:0032.60-16.04416.3-19AU NNETRÉS GROS FRAIS0000000137641
1788-11-16T13:0030.90-19.252813.1-17DU N AU NETRÉS FRAIS0000000137642
1788-11-17T14:0029.18-22.67309.3-15DU NE ET EBON FRAISPAR GRAINSPLUIE0100000137643
1788-11-18T14:0027.90-25.6953-15AU ENE0000000137644
1788-11-19T14:0026.83-28.593269.3-12DU ENE AU NNOBON FRAIS0000000137645
1788-11-20T14:0025.90-31.19784.6-12DU E ET ESEPETITE FRAIS0000000137646
1788-11-21T14:0024.90-33.9958-10AU ENE0000000137647
1788-11-22T14:0023.95-36.20589.3-10DU E AU ENEBON FRAIS0000000137648
1788-11-23T15:0023.20-38.9082-8AU E, SE ET ESE0000000137649
1788-11-24T15:0022.10-40.678416.3-6AU E ET ENETRÉS GROS FRAISORAGEUX0000000137650
1788-11-25T15:0020.78-43.676410.0-4DU ENETRÉS BON FRAIS0000000137651
1788-11-26T15:0019.10-43.9286-4AU E ET ESE0000000137652
1788-11-27T15:0017.42-49.65680AU ENE0000000137653
1788-11-28T16:0015.98-52.52922AU E ET ENETRÉS COUVERT ET PLUVIEUXPLUIEFORT HOULEUSE0100000137654
1788-11-29T16:0015.07-55.00702AU ENEBEAU TEMPS0000000137655
1788-11-30T16:0014.67-58.35713AU ENE0000000137656
1788-12-01T16:0014.78-61.35933AU E0000000137657
1788-12-02T16:0014.59-61.079313AU E0000000137658