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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 Prince Ernest cruise from St. Thomas to Falmouth started at 1821-08-19 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751285, 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: 36.803226 * Median Longitude: -43.482258 * South-bound Latitude: 24.180000 * West-bound Longitude: -63.930000 * North-bound Latitude: 50.000000 * East-bound Longitude: -6.950000
Date/Time Start: 1821-08-19T16:00:00 * Date/Time End: 1821-09-18T12:00:00
Event(s):
Prince_Ernest_18210819_NMM_LOG/M/44 * Latitude Start: 18.720000 * Longitude Start: -64.860000 * Latitude End: 49.950000 * Longitude End: -5.000000 * Date/Time Start: 1821-08-19T00:00:00 * Date/Time End: 1821-09-18T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Prince Ernest (Packet Ship), Voyage: St Thomas - Falmouth, 1st Observer: Coupland (Captain)
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
CourseCourseCourse of the ship during the past 24 hours
DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
10 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.
11 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.
12 Wind force descriptionWind force descrAll reported wind forces on this day
13 Present weatherwwWeather description
14 Precipitation descriptionPrecip descr
15 State of the sea descriptionState sea descr
16 ClearnessClearness
17 GustsGusts1 If wind gusts are reported
18 Precipitation/RainRain1 If rain was reported
19 FogFog1 If fog was reported
20 Snow typeSnow1 If snow was reported
21 ThunderThunder1 If thunder and or lightning was reported
22 HailHail1 If hail was reported
23 Sea iceSea ice1 If sea-ice or icebergs were reported
24 IdentificationIDCLIWOC 2.1 line number
Size:
426 data points

Data

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


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

Landmark

Bearing

Course

Distance [arbitrary units]
10 
Decl [deg]
11 
Wind dir descr
12 
Wind force descr
13 
ww
14 
Precip descr
15 
State sea descr
16 
Clearness
17 
Gusts
18 
Rain
19 
Fog
20 
Snow
21 
Thunder
22 
Hail
23 
Sea ice
24 
ID
1821-08-19T16:0024.18-63.802.60LIGHT WINDSFINE0000000194042
1821-08-20T16:0024.90-63.93225NE0SWLIGHT WINDS AND CALM, VARIABLE0000000194043
1821-08-21T16:0024.80-63.882251.0S77E26.000SWLIGHT WINDS AND CALM, LIGHT AIRS AND CALM0000000194044
1821-08-22T16:0026.15-62.422239.3N42E114.00-2SWLIGHT WINDS AND CALM, LIGHT BREEZES FRESH BREEZES LIGHT WINDSFINE0000000194045
1821-08-23T16:0028.15-60.0322019.0NE168.00-5SWFRESH BREEZES, FRESH GALES SQUALLYSMALL SHOWERS OF RAIN, RAIN1100000194046
1821-08-24T16:0029.83-57.48218N54E174.00-7SWFRESH BREEZES AND SQUALLY, BLOWING FRESH, SQUALLYRAIN0100000194047
1821-08-25T16:0031.10-54.683622.6NE120.00-7SE, VARIABLESQUALLY, FRESH BREEZES AND SQUALLY, LIGHT BREEZESFINE0000000194048
1821-08-26T16:0032.00-54.303622.6NE40.00-7VARIABLELIGHT AIRS AND CALM, LIGHT WINDS0000000194049
1821-08-27T16:0032.30-53.953621.0NE18.00-7VARIABLELIGHT AIRS AND CALM0000000194050
1821-08-28T16:0032.48-53.501.0NE22.00-7LIGHT AIRS AND CALM0000000194051
1821-08-29T15:0033.00-52.203629.3N58E68.00-13VARIABLECALM AND LIGHT AIRS, LIGHT WINDS, FINE BREEZE, FRESH BREEZEFINE0000000194052
1821-08-30T15:0033.50-50.85362-13NNW, VARIABLECONTRARY WINDSVARIABLE AND FINE0000000194053
1821-08-31T15:0034.22-51.833620.0-13VARIABLECALM AND LIGHT AIRSVARIABLE0000000194054
1821-09-01T15:0034.53-51.872809.3-13WNWLIGHT WINDS, FRESH BREEZESFINE0000000194055
1821-09-02T15:0035.55-49.602809.3NE120.00-13NW, WNWFRESH BREEZESFINE0000000194056
1821-09-03T15:0035.48-47.953622.6NE80.00-13NW, VARIABLELIGHT WINDSVARIABLE AND FINE0000000194057
1821-09-04T15:0035.87-46.529.3NE-15FRESH BREEZESVARIABLESHOWERS OF RAIN1100000194058
1821-09-05T15:0036.38-46.35362NE-15VARIABLELIGHT WINDS AND CALM, UNFAVORABLE AND SQUALLY0000000194059
1821-09-06T15:0037.08-45.079.3NE-15FRESH BREEZES0000000194060
1821-09-07T15:0038.13-43.109.3NE-19FRESH BREEZESFINE0000000194061
1821-09-08T15:0039.80-39.909.3NE180.00-21FRESH BREEZESFINE AND FAIR0000000194062
1821-09-09T15:0041.33-39.839.3-21FRESH BREEZESFINE0000000194063
1821-09-10T15:0042.03-37.509.3-21FRESH BREEZES0000000194064
1821-09-11T14:0043.27-35.089.3-26FRESH BREEZESFINE0000000194065
1821-09-12T14:0044.67-30.8319.0-26FRESH GALESCHARMING0000000194066
1821-09-13T14:0045.47-26.5019.0-27FRESH GALESSOME SHOWERSHEAVY SEACLOUDY1000000194067
1821-09-14T13:0047.53-19.7519.0LIZARDN76:31E-30FRESH GALES AND SQUALLYRAINHEAVY SEA0100000194068
1821-09-15T13:0048.35-15.709.3-29FRESH BREEZESSOME SHOWERSHEAVY SEACLOUDY1000000194069
1821-09-16T13:0049.12-11.929.3-27FRESH BREEZESHEAVY SEA0000000194070
1821-09-17T13:0050.00-10.682.6-27LIGHT BREEZES0000000194071
1821-09-18T12:0049.70-6.959.3-26FRESH BREEZESSMALL SHOWERS1000000194072