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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 LETOILE cruise from Cap to Brest started at 1787-04-04 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.750429, 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: 28.632500 * Median Longitude: -35.986250 * South-bound Latitude: 19.280000 * West-bound Longitude: -68.170000 * North-bound Latitude: 48.230000 * East-bound Longitude: -6.170000
Date/Time Start: 1787-04-04T00:00:00 * Date/Time End: 1787-05-24T00:00:00
Event(s):
LEtoile_17870404_COTE_4/JJ/32 * Latitude Start: 48.220000 * Longitude Start: -4.760000 * Latitude End: 21.770000 * Longitude End: -72.640000 * Date/Time Start: 1787-04-04T00:00:00 * Date/Time End: 1787-05-24T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: L'Etoile (Flute), Voyage: Brest - Cap, 1st Observer: De Rospiec Trevier (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)
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.
10 Wind force descriptionWind force descrAll reported wind forces on this day
11 Present weatherwwWeather description
12 Precipitation descriptionPrecip descr
13 State of the sea descriptionState sea descr
14 GustsGusts1 If wind gusts are reported
15 Precipitation/RainRain1 If rain was reported
16 FogFog1 If fog was reported
17 Snow typeSnow1 If snow was reported
18 ThunderThunder1 If thunder and or lightning was reported
19 HailHail1 If hail was reported
20 Sea iceSea ice1 If sea-ice or icebergs were reported
21 IdentificationIDCLIWOC 2.1 line number
Size:
753 data points

Data

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


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

-

Comment

Decl [deg]

Wind dir descr
10 
Wind force descr
11 
ww
12 
Precip descr
13 
State sea descr
14 
Gusts
15 
Rain
16 
Fog
17 
Snow
18 
Thunder
19 
Hail
20 
Sea ice
21 
ID
1787-04-04T00:001134.6APAREILLÉAU ESE ET SOPETITE FRAISCOUVERT0000000149160
1787-04-05T12:0048.23-6.17901.0-23AU ESE ET SEFAIBLE ET CALMEBRUMEUX0000000149161
1787-04-06T13:0047.55-8.4029112.3-24DU NOFRAISCOUVERTHOULEUSE0000000149162
1787-04-07T13:0046.30-10.1731612.3-22AU NNOFRAISBRUMEUXGROSSE0000000149163
1787-04-08T13:0044.93-10.8531612.3-22DU N AU NNO ET NNEASSEZ FRAISCOUVERTUN PEU GROSSE0000000149164
1787-04-09T13:0043.73-12.901131.0-22DU ESE AU SEFAIBLEBEAU TEMPSBELLE0000000149165
1787-04-10T13:0042.23-14.5411412.3-21AU SE ET SSEFRAISPAR INTERVALLES COUVERTBELLE0000000149166
1787-04-11T13:0040.47-16.3711412.3-21AU SEFRAISCOUVERTUN PEU GROSSE0000000149167
1787-04-12T13:0039.55-17.2011413.1-21AU SE ET SSOTRÉS FRAISPLUVIEUX ET INEGALHOULEUSE0000000149168
1787-04-13T13:0039.00-16.8220412.3-21AU SO ET OSO, ET NOFRAISCOUVERT ET PLUVIEUXGROSSE0000000149169
1787-04-14T13:0038.33-16.5029415.4-21AU NO ET ONOGROS FRAISBEAU TEMPSGROSSE0000000149170
1787-04-15T13:0037.18-18.101401.0-18DU S AU SSEFAIBLEASSEZ CHARGÉGROSSE0000000149171
1787-04-16T13:0036.23-19.2914015.4-18AU SSE ET AU NNEGRAND FRAISTRÉS HOULEUSE0000000149172
1787-04-17T13:0035.83-19.272751.2-18AU ONOTRÉS FAIBLE, PAR RAFALLESBEAU TEMPSGROSSE0000000149173
1787-04-18T13:0035.08-20.12276.7-18DU N AU NEPETITE FRAICHEURBEAU TEMPS0000000149174
1787-04-19T13:0034.37-21.40954.6-18DU E AU ESEPETITE FRAISBEAU TEMPSBELLE0000000149175
1787-04-20T13:0033.35-22.40954.6-18AU ESEPETITE FRAISBEAU TEMPSHOULEUSE0000000149176
1787-04-21T14:0032.83-22.991181.0-17AU SE ET ESEPRESQUE CALMEBEAU TEMPS0000000149177
1787-04-22T14:0031.65-24.64534.6-15DU E AU ENEPETITE FRAISBEAU TEMPSBELLE0000000149178
1787-04-23T14:0030.00-26.945312.3-15AU ENEFRAISCOUVERTHOULEUSE0000000149179
1787-04-24T14:0028.67-29.375415.4-14AU ENE ET NEGRAND FRAISPAR GRAINS ET COUVERTTRÉS GROSSE0000000149180
1787-04-25T14:0027.28-32.175616.3-12AU ENETRÉS FORT ET EXTRAORDINAIREORAGEUXGROSSE0000000149181
1787-04-26T14:0026.38-34.277812.3-9DU ENE AU E 1/4 NEFRAISORAGEUXHOULEUSE0000000149182
1787-04-27T14:0025.65-35.89126-9DU E AU SEMEDIOCRE ET INEGALCOUVERT, PLUVIEUX ET ORAGEUXTRÉS GROSSE0000000149183
1787-04-28T14:0025.15-37.351044.6-9DU SE AU ESEPETITE FRAISBEAU TEMPSBELLE0000000149184
1787-04-29T15:0024.25-38.94384.6-7DU ENE AU NEPETITE FRAISASSEZ PLUVIEUXBELLE0000000149185
1787-04-30T15:0023.72-40.27614.6-7AU ENEPETITE FRAISORAGEUXBELLE0000000149186
1787-05-01T15:0023.27-40.95106-7AU ESE ET DU O AU ONOCOUVERT, PLUVIEUX ET ORAGEUXPLUIE0100000149187
1787-05-02T15:0022.73-41.442861.2-7AU ONO ET NO 1/4 OTRÉS FAIBLE, PAR RAFALLESORAGEUX ET PLUVIEUX0000000149188
1787-05-03T15:0022.13-41.952884.6-5DU O AU ONOPETITE FRAISBEAU TEMPSBELLE0000000149189
1787-05-04T15:0022.03-42.373337.3-5AU NNO ET NNETRÉS PETITE FRAIS ET PRESQUE CALMEBEAU TEMPSBELLE0000000149190
1787-05-05T15:0021.92-43.193351.2-3AU NNOTRÉS FAIBLEBEAU TEMPS0000000149191
1787-05-06T15:0021.65-44.053351.2-3AU NNOTRÉS FAIBLECOUVERTTRÉS HOULEUSE0000000149192
1787-05-07T15:0020.97-46.274212.3-3AU NE ET ENEFRAISCOUVERTGROSSE0000000149193
1787-05-08T15:0020.63-48.206612.3-2AU ENEFRAISBEAU TEMPSBELLE0000000149194
1787-05-09T15:0020.55-49.646612.3-2AU ENEFRAISBEAU TEMPSBELLE0000000149195
1787-05-10T15:0020.53-50.90881.0-2AU EFAIBLEBEAU TEMPS0000000149196
1787-05-11T15:0020.53-51.571114.6-2AU ESEPETITE FRAISBEAU TEMPSBELLE0000000149197
1787-05-12T15:0020.62-51.051331.0-2AU SE ET ESEFAIBLEGRAINS ET ORAGEUXPLUIEBELLE1100100149198
1787-05-13T16:0020.53-53.101134.60AU ESE ET SEPETITE FRAISORAGEUXBELLE0000000149199
1787-05-14T16:0020.50-53.7411312.30AU ESE ET SEFRAICHEURORAGEUXBELLE0000000149200
1787-05-15T16:0020.32-56.1015812.30AU SSEFRAISBEAU TEMPSBELLE0000000149201
1787-05-16T16:0020.17-58.2416012.32AU SSEFRAISNEBULEUXBELLE0000000149202
1787-05-17T16:0019.80-59.8418212.32AU S ET ENEFRAISTRÉS CHARGÉBELLE0000000149203
1787-05-18T16:0019.70-60.851151.02AU ESE ET SEFAIBLE ET CALMECOUVERTBELLE0000000149204
1787-05-19T16:0019.78-62.171151.02AU ESEFAIBLECOUVERTBELLE0000000149205
1787-05-20T16:0019.35-64.077112.33DU E AU ENEFRAISBEAU TEMPSBELLE0000000149206
1787-05-21T16:0019.43-66.159312.33AU EFRAISBEAU TEMPSBELLE0000000149207
1787-05-22T17:0019.28-68.179412.34AU EFRAISBEAU TEMPSBELLE0000000149208
1787-05-23T00:0019.959012.3AU E ET ENEFRAISBEAU TEMPSBELLE0000000149209
1787-05-24T00:009016.31AU ETRÉS FORTECOUVERT0000000149210