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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 El Septentrión cruise from Montevideo to Santa Catalina started at 1777-05-10 [dataset]. Archivo Museo Naval Madrid, Spain, PANGAEA, https://doi.org/10.1594/PANGAEA.746564, 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: -30.774444 * Median Longitude: -48.823333 * South-bound Latitude: -35.470000 * West-bound Longitude: -53.330000 * North-bound Latitude: -28.030000 * East-bound Longitude: -47.520000
Date/Time Start: 1777-05-10T00:00:00 * Date/Time End: 1777-05-24T00:00:00
Event(s):
El_Septentrión_17770510_MS_1792 * Latitude Start: -35.970000 * Longitude Start: -55.650000 * Latitude End: -26.770000 * Longitude End: -46.280000 * Date/Time Start: 1777-05-11T00:00:00 * Date/Time End: 1777-05-24T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: El Septentrión (Navío), Voyage: Montevideo - Santa Catalina(Brasil), 1st Observer: Antonio Osorno (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
LandmarkLandmarkName of first landmark
BearingBearingBearing of the first landmark
Distance to landmarkDistancearbitrary unitsDistance to the first landmark
--1 If position is considered to be coastal (in port or near coastal disturbances)
10 CourseCourseCourse of the ship during the past 24 hours
11 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
12 CommentCommentOther remarks, that were not possible to put in the other remark fields
13 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.
14 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.
15 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
16 Wind force descriptionWind force descrAll reported wind forces on this day
17 Present weatherwwWeather description
18 Precipitation descriptionPrecip descr
19 State of the sea descriptionState sea descr
20 GustsGusts1 If wind gusts are reported
21 Precipitation/RainRain1 If rain was reported
22 FogFog1 If fog was reported
23 Snow typeSnow1 If snow was reported
24 ThunderThunder1 If thunder and or lightning was reported
25 HailHail1 If hail was reported
26 Sea iceSea ice1 If sea-ice or icebergs were reported
27 IdentificationIDCLIWOC 2.1 line number
Size:
260 data points

Data

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


Date/Time

Latitude

Longitude

dd [deg]
(Wind direction (from which th...)

ff [m/s]
(calculated from the descripti...)

Landmark
(Name of first landmark)

Bearing
(Bearing of the first landmark)

Distance [arbitrary units]
(Distance to the first landmark)

-
(1 If position is considered t...)
10 
Course
(Course of the ship during the...)
11 
Distance [arbitrary units]
(Distance travelled during the...)
12 
Comment
(Other remarks, that were not ...)
13 
Decl [deg]
(It is generally accepted by t...)
14 
Wind dir descr
(All reported wind directions ...)
15 
Cur dir descr
(Direction of the current. Thi...)
16 
Wind force descr
(All reported wind forces on t...)
17 
ww
(Weather description)
18 
Precip descr
19 
State sea descr
20 
Gusts
(1 If wind gusts are reported)
21 
Rain
(1 If rain was reported)
22 
Fog
(1 If fog was reported)
23 
Snow
(1 If snow was reported)
24 
Thunder
(1 If thunder and or lightning...)
25 
Hail
(1 If hail was reported)
26 
Sea ice
(1 If sea-ice or icebergs were...)
27 
ID
(CLIWOC 2.1 line number)
1777-05-10T00:003384.6SALIDA DESDE MONTEVIDEO HASTA SANTA CATALINANNOFLOJOHORIZ. CLAROS(...) ANOCHEC. HORIZ. ACELAJADOS000000086839
1777-05-11T16:00-35.47-53.332409.3ESE15SOFRESQUITOAGUA MENUDA(...) A LAS 5 RODÓ EL VTO AL SUR (...) SOBRE UNA FUERTE FUGADA (...) QUEDÓ EL VTO DURO(...)AMANEC. HORIZ. CARGADOS, MAR GRUESAAGUA MENUDAMAREA MUY VIVA PARA TIERRA010000087535
1777-05-12T15:00-34.33-50.3826212.3ENE 2º N158.0014OSOFRESCOANOHEC. VTO DURO, TODO CERRADO DE AGUA (...) Y AMANEC. LO MISMO.TODO CERRADO DE AGUAGRUESA010000087536
1777-05-13T15:00-31.87-49.0728215.4LA CABEZA DEL S DE LA ISLA STA CATHALINAN 1/4 NE80NNE 3º E166.0012ONNEDUROANOCHEC. TODO ATURBONADO (...) Y AMANEC. CON MEJOR CARIZGRUESA DEL OSO000000087537
1777-05-14T15:00-30.00-48.1026012.3LA PUNTA DEL S DE LA ISLA STA CAHTALINAN40NNO 5º N123.0012OSOFRESCOANOCHEC. CON HORIZ. ACHUBASCADOS, MAR PICADA, VTO SO (...) AMANEC. CON HORIZ. ACELAJADOS, VTO DEL O AL OSO FRFESQUITO.PICADA000000087538
1777-05-15T15:00-29.67-47.8728212.3PUNTA DEL S DE STA CATHALINAN 5º O33NNO23.5012OSSEFRESCOANOCHEC. CON HORIZ. CLAROS, VTO BONANCIBLE Y MAR GRUESA DEL MISMO VTO O.000000087539
1777-05-16T15:00-29.62-47.702826.7PUNTA S DE STA CATHALINAN 1/4 NO349.5012OBONANCIBLEANOCHEC. CON BUEN SEMBLANTE(...) BELLA MAR Y VTO FLOJO DE NNO (...) AMANEC. TODO LO MISMO.000000087540
1777-05-17T15:00-29.38-47.873506.7PUNTA DEL S STA. CATHALINAN 5º O27NE16.5012NNOBONANCIBLEANOCHEC. CLARO, MAR LLANA, VTO FLOJO (...) Y ASÍ AMANEC.000000087541
1777-05-18T15:00-28.60-47.52129.3PUNTA SEPTENTRIONAL DE STA. CATHALINANNO 5º O25O 1/4 NO49.0012NFRESQUITOA LAS 3 1/2 SE LLAMÓ EL VTO AL NO(...) ANOCHEC. CON ALGUNA CALIMA, VTO BONANCIBLE Y AMANEC. LO MISMO.000000087542
1777-05-19T15:00-28.03-47.57PUNTA DEL N DE STA. CATHALINANO 1/4 N1434.0012E 1/4 NEANOCHEC. VTO SO, MAR LLANA (...). AMANEC. LO MISMO.000000087543
1777-05-20T00:001356.7ARBOREDONNO 6º O5O O5º OSEBONANCIBLEANOCHEC. CON HORIZ. CALIMOSOS, MAR SORDA DEL S(...). AMANEC. CON HORIZ. ACELAJADOS, MARETA ANTERIOR, VTO NNE.000000087544
1777-05-21T00:003386.7ARBOREDONO4NNOBONANCIBLE(...) AMANEC. TOTALMENTE EN CALMA000000087545
1777-05-22T00:00361ARBOREDONO5CALMAANOCHEC. TAMBIÉN EN CALMA (...) A LAS 10 1/2 VENTOLINA POR EL N(...) AMANEC. CON VTO NO FLOJO.000000087546
1777-05-23T00:003159.3ARBOREDOONO 5º NO3NOFRESQUITO(...) AMANEC. HORIZ. CARGADOSMAR LLANA000000087547
1777-05-24T00:003606.71O 1/4 NONBONANCIBLEEL VTO FUE ROLANDO PARA EL NE (...) ANOCHEC. CON POCO VTO. Y MAREA DE PROA A LAS 6 1/2 CALMÓ ENTERAMENTE (...).000000087548