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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 Le Leopard cruise from Brest to La Martinique started at 1751-10-23 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.746979, 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: 27.237949 * Median Longitude: -30.122564 * South-bound Latitude: 14.330000 * West-bound Longitude: -60.690000 * North-bound Latitude: 48.030000 * East-bound Longitude: -6.180000
Event(s):
Le_Leopard_17511023_COTE_4/JJ/22 * Latitude Start: 48.220000 * Longitude Start: -4.760000 * Latitude End: 14.590000 * Longitude End: -61.070000 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Le Leopard, Start of voyage: 1751-10-23, End of voyage: 1751-11-30, Voyage: Brest - La Martinique, 1st Observer: M. de Rosily (Capitan)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Date/time startDate/time start
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
CommentCommentOther remarks, that were not possible to put in the other remark fields
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:
614 data points

Data

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


Date/time start

Latitude

Longitude

dd [deg]

ff [m/s]

Comment

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
1751-10-23T12:0048.03-6.18739.3PARTY DE BREST POUR LA MARTINIQUE-17AU E ET ESEBON FRAISBEAU TEMPS0000000146234
1751-10-24T13:0045.82-9.671419.3-17DU ESE AU SSEBON FRAISTEMS COUVERT0000000146235
1751-10-25T13:0045.28-11.321869.3-17DU SSE AU SSOBON FRAISTEMS COUVERTPLUIEGROSSE0100000146236
1751-10-26T13:0044.48-13.171649.3-16DU ESE AU SBON FRAISTEMS COUVERTGROSSE0000000146237
1751-10-27T13:0042.42-14.23304.6-15DU SSE AU NEPETITE FRAISTEMS COUVERTPLUIEPEU AGITEÉ0100000146238
1751-10-28T13:0040.73-17.301439.3-15DU ESE AU SSEBON FRAISGRAIN DE PLUIEGROSSE0100000146239
1751-10-29T13:0039.40-16.551439.3-15DU SO AU SSEBON FRAISBEAU TEMPSGROSSE0000000146240
1751-10-30T13:0037.92-15.953456.7-15DU SE AU NBON PETITE FRAISGRAIN DE PLUIEGROSSE0100000146241
1751-10-31T13:0036.82-15.692344.6-14DU N AU OSOPETITE FRAISBEAU TEMPSPEU AGITEÉ0000000146242
1751-11-01T13:0034.72-16.701449.3-14DU SO AU SSEBON FRAISGRAIN DE PLUIEGROSSE0100000146243
1751-11-02T13:0033.38-15.603019.3-14DU OSO AU NOBON FRAIS ET GRAINTEMS COUVERTGROSSE0000000146244
1751-11-03T13:0032.45-15.703024.6-13AU NO ET NNOPETITE FRAISGRAIN DE PLUIEPEU AGITEÉ0100000146245
1751-11-04T13:0032.03-15.672359.3-13AU OSO ET SOBON FRAISGRAIN DE PLUIE0100000146246
1751-11-05T13:0032.10-15.702359.3-13DU O AU OSOBON FRAISGRAIN DE PLUIEGROSSE0100000146247
1751-11-06T13:0031.00-16.6721215.4-13AU SO ET OSOGRAND FRAIS ET PAR GRAINSGRAIN DE PLUIEPEU AGITEÉ0100000146248
1751-11-07T13:0029.47-17.502804.6-13DU NO AU ONOPETITE FRAISTEMS GROSSEGROSSE0000000146249
1751-11-08T13:0028.55-17.593040.0-11DU ONO AU NOCALMEPEU AGITEÉ0000000146250
1751-11-09T13:0028.15-18.322594.6-11AU O ET OSOPETITE FRAISBEAU TEMPSPEU AGITEÉ0000000146251
1751-11-10T13:0026.57-20.79359.3-10DU NO AU NEBON FRAISGRAIN DE PLUIEPEU AGITEÉ0100000146252
1751-11-11T14:0025.50-23.42159.3-8DU NNO AU NNEBON FRAISGRAIN DE PLUIEPEU AGITEÉ0100000146253
1751-11-12T14:0024.37-26.6537-8DU N AU NERAFALLEGRAIN DE PLUIE0100000146254
1751-11-13T14:0023.60-29.658415.4-6DU NE AU EGRAND FRAIS ET PAR GRAINSGRAIN DE PLUIEPEU AGITEÉ0100000146255
1751-11-14T14:0022.97-32.05846.7-6AU E ET ENEBON PETITE FRAISGRAIN DE PLUIE0100000146256
1751-11-15T14:0022.47-34.051106.7-3DU ENE AU ESEBON PETITE FRAISGRAIN DE PLUIEPEU AGITEÉ0100000146257
1751-11-16T14:0021.90-36.15656.7-3DU ESE AU ENEBON PETITE FRAISGRAIN DE PLUIE0100000146258
1751-11-17T15:0021.32-37.64884.6-2AU E ET ESEPETITE FRAISBELLE0000000146259
1751-11-18T15:0020.53-39.451334.6-2AU SE ET ESEPETITE FRAISPLUIEBELLE0100000146260
1751-11-19T15:0019.82-41.401116.7-2AU ESEBON PETITE FRAISTEMPS COUVERTPEU AGITEÉ0000000146261
1751-11-20T15:0018.92-43.57676.7-1DU ESE AU ENEBON PETITE FRAISBEAU TEMPSBELLE0000000146262
1751-11-21T15:0017.87-45.841126.7-1DU ENE AU ESEBON PETITE FRAISGRAIN DE PLUIE0100000146263
1751-11-22T15:0016.73-47.75926.72AU E ET ENEBON PETITE FRAISBEAU TEMPSBELLE0000000146264
1751-11-23T15:0015.60-49.171374.62DU ENE AU SEPETITE FRAISBEAU TEMPS0000000146265
1751-11-24T15:0014.47-51.27929.32DU SE AU EBON FRAISGRAIN DE PLUIE0100000146266
1751-11-25T16:0014.57-53.87936.73AU E ET ESEBON PETITE FRAISTEMPS COUVERTGROSSE LAME0000000146267
1751-11-26T16:0014.52-55.90936.73DU ESE AU EBON PETITE FRAISBEAU TEMPSPEU AGITEÉ0000000146268
1751-11-27T16:0014.57-57.50934.63AU E ET ESEPETITE FRAISBEAU TEMPS0000000146269
1751-11-28T16:0014.50-58.74944.64AU EPETITE VENTBEAU TEMPSPEU AGITEÉ0000000146270
1751-11-29T16:0014.40-59.72944.64AU EPETITE VENTTEMPS GROSSEGROSSE LAME0000000146271
1751-11-30T16:0014.33-60.69944.64AU EPETITE VENTBEAU TEMPSGROSSE LAME0000000146272