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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 PALLAS cruise from Belize to Havana started at 1829-02-20 [dataset]. Nationaal Archief of the Netherlands, Den Haag, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.751061, 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: 21.315714 * Median Longitude: -85.085714 * South-bound Latitude: 17.880000 * West-bound Longitude: -87.520000 * North-bound Latitude: 23.470000 * East-bound Longitude: -81.940000
Date/Time Start: 1829-02-20T00:00:00 * Date/Time End: 1829-02-28T00:00:00
Event(s):
Pallas_18290220_MAR_D23905_3555 * Latitude Start: 16.990000 * Longitude Start: -87.090000 * Latitude End: 23.596000 * Longitude End: -82.434000 * Date/Time Start: 1829-02-20T00:00:00 * Date/Time End: 1829-02-28T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Pallas (Korvet), Voyage: Belize - Havana, 1st Observer: H. Van de Velde (Kltz), Company: MAR, Other ship information: BEMAND MET 127 KOPPEN
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
Pressure, atmosphericPPPPhPaNo temperature correction was applied. The following factors have been used for the conversion to hPa: 2.54 cm in an inch; 13.596 specific gravity of mercury; 980.65 cm/s gravity at 45° latitude
Temperature, airTTT°C
Image number/nameImage no/nameIdentification Number of the original image
LandmarkLandmarkName of first landmark
10 BearingBearingBearing of the first landmark
11 Distance to landmarkDistancearbitrary unitsDistance to the first landmark
12 LandmarkLandmarkName of second landmark
13 BearingBearingBearing of the second landmark
14 Distance to landmarkDistancearbitrary unitsDistance to the second landmark
15 LandmarkLandmarkName of third landmark
16 BearingBearingBearing of the third landmark
17 Distance to landmarkDistancearbitrary unitsDistance to the third landmark
18 --1 If position is considered to be coastal (in port or near coastal disturbances)
19 WatchWatchName of the period of 4 hours which is known as a watch or duty on board ships
20 GlassesGlassesNumber of glasses within a watch; one watch equals 8 glasses
21 CourseCourseCourse of the ship during the past 24 hours
22 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
23 CommentCommentOther remarks, that were not possible to put in the other remark fields
24 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.
25 Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
26 Sensor readingReadingarbitrary unitsReading of the air pressure
27 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.
28 Wind force descriptionWind force descrAll reported wind forces on this day
29 Present weatherwwWeather description
30 Cloud typeCloud type
31 ClearnessClearness
32 GustsGusts1 If wind gusts are reported
33 Precipitation/RainRain1 If rain was reported
34 FogFog1 If fog was reported
35 Snow typeSnow1 If snow was reported
36 ThunderThunder1 If thunder and or lightning was reported
37 HailHail1 If hail was reported
38 Sea iceSea ice1 If sea-ice or icebergs were reported
39 CommentComment
40 IdentificationIDCLIWOC 2.1 line number
Size:
235 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...)

PPPP [hPa]
(No temperature correction was...)

TTT [°C]

Image no/name
(Identification Number of the ...)

Landmark
(Name of first landmark)
10 
Bearing
(Bearing of the first landmark)
11 
Distance [arbitrary units]
(Distance to the first landmark)
12 
Landmark
(Name of second landmark)
13 
Bearing
(Bearing of the second landmark)
14 
Distance [arbitrary units]
(Distance to the second landmark)
15 
Landmark
(Name of third landmark)
16 
Bearing
(Bearing of the third landmark)
17 
Distance [arbitrary units]
(Distance to the third landmark)
18 
-
(1 If position is considered t...)
19 
Watch
(Name of the period of 4 hours...)
20 
Glasses
(Number of glasses within a wa...)
21 
Course
(Course of the ship during the...)
22 
Distance [arbitrary units]
(Distance travelled during the...)
23 
Comment
(Other remarks, that were not ...)
24 
Decl [deg]
(It is generally accepted by t...)
25 
Reading [arbitrary units]
(Reading of the (outside) air ...)
26 
Reading [arbitrary units]
(Reading of the air pressure)
27 
Wind dir descr
(All reported wind directions ...)
28 
Wind force descr
(All reported wind forces on t...)
29 
ww
(Weather description)
30 
Cloud type
31 
Clearness
32 
Gusts
(1 If wind gusts are reported)
33 
Rain
(1 If rain was reported)
34 
Fog
(1 If fog was reported)
35 
Snow
(1 If snow was reported)
36 
Thunder
(1 If thunder and or lightning...)
37 
Hail
(1 If hail was reported)
38 
Sea ice
(1 If sea-ice or icebergs were...)
39 
Comment
40 
ID
(CLIWOC 2.1 line number)
1829-02-20T00:001131.01022.827.2MAR_D23905_3555_0210ANKER OP.81.0030.20O-OZOFLAUWE KOELTEGOED WEER0000000183237
1829-02-21T18:0017.88-87.523461018.725.6MAR_D23905_3555_0211ZO VAN DE NOORDEN TRIANGLES (GIS)NNO12VM8NO4.25878.0030.08NW-NNWOVERDRIJVENDE LUCHT0000000183238
1829-02-22T18:0018.55-87.301421.01019.427.8MAR_D23905_3555_0211ZO HOEK VAN COSUMIL (GIS)NTO 1/2 O21KAAP ST ANTONIO (GIS)NOTN61VM8NO 1/2 O11.00782.0030.10ZOFLAUW EN STILBEWOLKTE LUCHT0000000183239
1829-02-23T18:0020.40-86.45974.61016.727.8MAR_D23905_3555_0211KAAP ST ANTONIO (GIS)NO 1/2 O38Z PUNT VAN CONSUMILWZW 3/4 W2VM8NTO 3/4 O17.50782.0030.02OBRAMZEILSKOELTEGOED WEER0000000183240
1829-02-24T18:0022.40-86.171204.61015.327.5MAR_D23905_3555_0212WESTELIJKSTE DER TORTILLAS (GIS)NO 2/3 O52VM8NNO 3/4 O19.50781.5029.98OZOBRAMZEILSKOELTEBEWOLKTE LUCHT0000000183241
1829-02-25T18:0023.47-84.071641012.627.8MAR_D23905_3555_0212ZW HOEK VAN ? LAS PORTUGELAS (GIS)NO 1/3 N20KLIP VOOR BATIA HONDA (?) (GIS)OZO11HAVEN VAN HAVANA (GIS)OTZ24VM8ONO33.00682.0029.90ZZOSTIJVE BRAMZEILSKOELTE, MINDERE KOELTEHELDERE LUCHT0000000183242
1829-02-26T17:0023.23-82.152981012.627.8MAR_D23905_3555_0213BERG ROTAZ 2/3 OVM8ZO 2/3 O16.00582.0029.90ZW-WNWONGELIJKE KOELTEBETROKKEN LUCHT0000000a trivial correction was made in this observation183243
1829-02-27T17:0023.28-81.94500.01019.423.3MAR_D23905_3555_0214BERG ROTAZTWHAVANA (GIS)W 1/4 Z6VM8NW 2/3 N3.50574.0030.10NOFLAUWE KOELTE, STILHELDERE LUCHT0000000183244
1829-02-28T00:002256.11016.026.9MAR_D23905_3555_0214HAVANAWZW21VM880.5030.00ZWFLAUWE MARSZEILSKOELTEBEWOLKTE LUCHT0000000183245