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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 1787-07-16 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.750430, 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
Project(s):
Climatological Database for the Worlds Oceans: 1750-1854 (CLIWOC)
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090: Climatological Database for the Worlds Oceans: 1750-1854
Coverage:
Median Latitude: 38.683437 * Median Longitude: -44.470937 * South-bound Latitude: 21.850000 * West-bound Longitude: -72.670000 * North-bound Latitude: 48.370000 * East-bound Longitude: -8.740000
Date/Time Start: 1787-07-16T17:00:00 * Date/Time End: 1787-08-17T00:00:00
Event(s):
LEtoile_17870716_COTE_4/JJ/32 * Latitude Start: 21.770000 * Longitude Start: -72.640000 * Latitude End: 48.220000 * Longitude End: -4.760000 * Date/Time Start: 1787-07-16T00:00:00 * Date/Time End: 1787-08-17T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: L'Etoile (Flute), Voyage: Cap - Brest, 1st Observer: De Rospiec Trevier (Capitan)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 DATE/TIMEDate/TimeGeocode
2 LATITUDELatitudeGeocode
3 LONGITUDELongitudeGeocode
4 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.
5 Wind speedffm/scalculated from the descriptive terms of wind force given in the observations
6 --1 If position is considered to be coastal (in port or near coastal disturbances)
7 CommentCommentOther remarks, that were not possible to put in the other remark fields
8 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.
9 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
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
494 data points

Data

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

1 
Date/Time		2 
Latitude		3 
Longitude		4 
dd [deg]		5 
ff [m/s]		6 
-		7 
Comment		8 
Decl [deg]		9 
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
1787-07-16T17:0021.85-72.677412.3APAREILLÉ6AU ENEFRAICHEUR0000000149211
1787-07-17T17:0023.53-72.0511612.33AU ESEFRAISBEAU TEMPSHOULEUSE0000000149212
1787-07-18T17:0024.92-71.601161.03AU ESE ET ENEFAIBLEBEAU TEMPSBELLE0000000149213
1787-07-19T17:0026.50-70.551161.03AU ESE ET SSEFAIBLEBEAU TEMPSBELLE0000000149214
1787-07-20T17:0028.10-69.509112.31AU E ET SSEFRAISORAGEUXBELLE0000000149215
1787-07-21T17:0029.15-68.891361AU SE ET ESETRÉS VARIABLE ET PRESQUE CALMEPAR GRAINS, ORAGEUXGROSSE0000000149216
1787-07-22T17:0031.37-67.8513612.31AU SEFRAISNEBULEUX ET COUVERTHOULEUSE0000000149217
1787-07-23T16:0032.62-65.9515412.3-5AU SSEFRAISCHARGÉ DE GRAINS0000000149218
1787-07-24T16:0034.68-64.1219912.3-5AU SSO ET NOFRAISTRÉS CHARGÉ, COUVERTGROSSE0000000149219
1787-07-25T16:0035.78-61.2721912.3-6AU SOFRAISBEAU TEMPSDU O ET NO0000000149220
1787-07-26T16:0036.68-58.3721912.3-6AU SO ET OSOFRAISBEAU TEMPSCOMME HIER0000000149221
1787-07-27T16:0037.37-55.5724012.3-8DU O AU OSOFRAISBEAU TEMPSGROSSE0000000149222
1787-07-28T15:0038.13-50.7221112.3-14AU SO ET SSOFRAISBEAU TEMPSHOULEUSE0000000149223
1787-07-29T15:0039.30-49.9216612.3-14DU S ET SSEFRAISCHARGÉ DE GRAINSGROSSE0000000149224
1787-07-30T15:0039.60-46.9727812.3-15DU OSO AU ONOFRAISPAR GRAINS, ORAGEUXAGITÉE0000000149225
1787-07-31T15:0038.87-46.355315.4-15DU NE AU ENEGRAND FRAISPAR GRAINS, ORAGEUXGROSSE0000000149226
1787-08-01T15:0039.63-44.54981.0-15DU NE AU ESEFAIBLEBEAU TEMPSHOULEUSE0000000149227
1787-08-02T15:0040.22-42.1716416.3-16AU S, O ET ONOTRÉS FORTCOUVERT ET PLUVIEUXGROSSE0000000149228
1787-08-03T15:0041.20-38.3929916.3-16AU NOPAR RAFALLES, TRÉS FORTPAR GRAINSPLUIEFATIGANT0100000149229
1787-08-04T14:0042.37-34.7927616.3-17AU ONO ET NOPAR RAFALLES, TRÉS FORTPAR GRAINSPLUIE PAR INTERVALLESTRÉS GROSSE0100000149230
1787-08-05T14:0043.82-32.4927112.3-22AU ONO ET OSOFRAISCHARGÉ DE GRAINSHOULEUSE0000000149231
1787-08-06T14:0045.15-29.4918112.3-22AU SSO ET SASSEZ FRAISORAGEUXASSEZ GROSSE0000000149232
1787-08-07T14:0045.65-28.071364.6-22AU SSE ET SPETITE FRAISBEAU TEMPSBELLE0000000149233
1787-08-08T14:0045.63-27.301810.0-22AU SSO ET ONOTRÉS FAIBLE, CALME PLATBEAU TEMPSSU SO0000000149234
1787-08-09T14:0045.53-26.402711.0-22AU ONOFAIBLEBEAU TEMPSBELLE0000000149235
1787-08-10T14:0045.67-25.6411.2-22AU NNE ET ENETRÉS FAIBLEBEAU TEMPSBELLE0000000149236
1787-08-11T14:0046.27-23.971361.2-22DU S AU SSE ET SSOTRÉS FAIBLETRÉS COUVERT ET BRUMEUXGROSSE0000000149237
1787-08-12T14:0046.68-23.521816.7-22DU S AU SSOJOLIE FRAISCOUVERTBELLE0000000149238
1787-08-13T13:0047.22-18.2222612.3-22DU SSO AU OSOFRAIS ET AUGMENTANT DE FORCE PAR INTERVALLESTRÉS CHARGÉ, COUVERTBELLE0000000149239
1787-08-14T13:0047.68-14.7222313.1-25AU OSOTRÉS FRAISCOUVERT ET CHARGÉASSEZ BELLE0000000149240
1787-08-15T13:0048.37-12.2720113.1-24AU SO ET OSOTRÉS FRAISTRÉS PLUVIEUX ET CHARGÉPLUIEGROSSE0100000149241
1787-08-16T13:0048.33-8.7429112.3-24AU NO ET ONOFRAISCOUVERTGROSSE0000000149242
1787-08-17T00:0029312.31DU ONOFRAISCOUVERT0000000149243