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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 Prothée cruise from Cadix to Brest started at 1750-10-31 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.752272, 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: 40.131667 * Median Longitude: -10.844000 * South-bound Latitude: 34.070000 * West-bound Longitude: -14.030000 * North-bound Latitude: 48.930000 * East-bound Longitude: -5.000000
Event(s):
Le_Prothée_17501031_COTE_4/JJ/9 * Latitude Start: 36.070000 * Longitude Start: -6.730000 * Latitude End: 48.220000 * Longitude End: -4.760000 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Le Prothée, Start of voyage: 1750-10-31, End of voyage: 1750-11-30, Voyage: Cadix - Brest, 1st Observer: De Blénac (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:
468 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
1750-10-31T00:003384.6DEPART DE CADIX POUR BRESTDU NNOPETITE VENT0000000147108
1750-11-01T12:0036.22-6.80290.0-16DU N AU NECALME PLAT0000000147109
1750-11-02T12:0035.90-7.253470.0-16DU N 1/4 NECALME PLATA BABORD0000000147110
1750-11-03T13:0036.33-8.271886.7-15DU O AU SSOUN PEU FRAICHIEMBRUMÉ0000000147111
1750-11-04T13:0035.38-9.623034.6-15DU NO 1/4 NPEU DE VENTGRAINSA STRIBORD1000000147112
1750-11-05T13:0035.18-9.552976.7-15DU NO 1/4 N AU NO 1/4 OBON PETITE FRAISPETITE PLUIE0100000147113
1750-11-06T13:0035.37-10.502586.7-15DU O AU O 1/4 NOBON PETITE FRAISPAR GRAINS0000000147114
1750-11-07T13:0035.20-10.632339.3-15DU ONO AU OSOBON FRAISGRAINSGROSSE1000000147115
1750-11-08T13:0035.10-10.3330015.4-15DU NO ET NNOGROS FRAISPAR GRAINSGROSSE0000000147116
1750-11-09T13:0034.38-10.8884.6-15DU NNO AU NNEPETITE FRAIS0000000147117
1750-11-10T13:0034.15-13.020.0-14CALME PLATBRUME EPAISSE0000000147118
1750-11-11T13:0034.07-10.92530.0-15DU ENE ET NECALME PLATBRUME EPAISSE0000000147119
1750-11-12T13:0034.39-11.653454.6-15DU N ET NE 1/4 NPETITE VENT0000000147120
1750-11-13T13:0034.72-12.85314.6-14DU NNE ET NEPETITE FRAIS0000000147121
1750-11-14T13:0035.15-13.723244.6-14DU NE AU NNOPETITE FRAIS0000000147122
1750-11-15T13:0036.12-13.022799.3-14DU NNO AU ONOBON FRAISPAR GRAINSGROSSE0000000147123
1750-11-16T13:0037.33-12.123009.3-15DU NO ET NO 1/4 NBON FRAISASSEZ BEAU TEMPS0000000147124
1750-11-17T13:0038.18-11.083424.6-15DU NO 1/4 N AU N 1/4 NOPETITE VENTGROSSE0000000147125
1750-11-18T13:0039.50-11.981659.3-15DU S ET SSOBON FRAISGROSSE0000000147126
1750-11-19T13:0041.93-13.171656.7-15DU SBON PETITE FRAISCOUVERTPETITE PLUIE0100000147127
1750-11-20T13:0044.05-12.531169.3-16DU SE 1/4 EBON FRAISCOUVERTPETITE PLUIEUN PEU TOMBÉ0100000147128
1750-11-21T13:0045.07-12.28779.3-16DU E 1/4 SE ET ESEBON FRAISSOMBREPETITE PLUIE0100000147129
1750-11-22T13:0046.53-13.00749.3-16DU E ET E 1/4 NEBON FRAISCLAIRBELLE0000000147130
1750-11-23T13:0047.38-14.03264.6-16DU E 1/4 NE AU NE 1/4 NPETITE FRAISSOMBREBELLE0000000147131
1750-11-24T13:0047.02-13.65774.6-16DU NE 1/4 N AUE 1/4 SEPETITE VENTBELLE0000000147132
1750-11-25T13:0047.58-12.811204.6-18DU E 1/4 SE AU SE 1/4 SPETITE FRAIS0000000147133
1750-11-26T13:0047.83-10.242314.6-17DU SSO AU OSOPETITE FRAISSOMBREBELLE0000000147134
1750-11-27T13:0048.18-8.362086.7-17DU OSO AU SOBON PETITE FRAIS0000000147135
1750-11-28T13:0048.33-9.842319.3-17DU OSO ET SO 1/4 OBON FRAISFORT SOMBREPETITE PLUIEGROSSE0100000147136
1750-11-29T12:0048.93-6.22259.3-17DU NE 1/4 E AU NE 1/4 NBON FRAISASSEZ BEAU TEMPS0000000147137
1750-11-30T12:0048.45-5.002116.7-17DU SO 1/4 O ET OSOBON PETITE FRAISPAR GRAINS0000000147138