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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 Rupert cruise from Gravesend to Churchill started at 1769-06-26 [dataset]. Public Record Office, Kew, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751305, 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: 58.900000 * Median Longitude: -53.675000 * South-bound Latitude: 56.630000 * West-bound Longitude: -65.250000 * North-bound Latitude: 61.380000 * East-bound Longitude: -43.980000
Date/Time Start: 1769-07-20T15:00:00 * Date/Time End: 1769-07-31T16:00:00
Event(s):
Prince_Rupert_17690626_PRO_BH1_1601 * Latitude Start: 51.490000 * Longitude Start: 1.170000 * Latitude End: 61.000000 * Longitude End: -62.530000 * Date/Time Start: 1769-07-20T00:00:00 * Date/Time End: 1769-07-31T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Prince Rupert, Voyage: Gravesend - Churchill, 1st Observer: Joseph Richards (1st Officer/Master), Company: Hudson Bay Company
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 CommentCommentOther remarks, that were not possible to put in the other remark fields
11 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.
12 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.
13 Wind force descriptionWind force descrAll reported wind forces on this day
14 Present weatherwwWeather description
15 Precipitation descriptionPrecip descr
16 State of the sea descriptionState sea descr
17 ClearnessClearness
18 GustsGusts1 If wind gusts are reported
19 Precipitation/RainRain1 If rain was reported
20 FogFog1 If fog was reported
21 Snow typeSnow1 If snow was reported
22 ThunderThunder1 If thunder and or lightning was reported
23 HailHail1 If hail was reported
24 Sea iceSea ice1 If sea-ice or icebergs were reported
25 IdentificationIDCLIWOC 2.1 line number
Size:
209 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 
Comment
11 
Decl [deg]
12 
Wind dir descr
13 
Wind force descr
14 
ww
15 
Precip descr
16 
State sea descr
17 
Clearness
18 
Gusts
19 
Rain
20 
Fog
21 
Snow
22 
Thunder
23 
Hail
24 
Sea ice
25 
ID
1769-07-20T15:0056.63-43.9836219.0NW47.00-28NW, W, WNW, VARIABLEFRESH GALESRAINCLOUDY THEN HAZY0100000194652
1769-07-21T15:0056.92-44.181971.0N70W17.00-28VARIABLE, SWLITTLE WIND, CALMS, LIGHT AIRSHAZY0010000194653
1769-07-22T15:0057.23-44.503621.0N34W19.00-28EBN, EBS, VARIABLELIGHT AIRSRAINYHAZY0110000194654
1769-07-23T15:0057.27-44.503621.0W11.00-28VARIABLELIGHT AIRSSMALL RAIN0110000194655
1769-07-24T15:0057.40-47.071869.3N83W74.00-28NNW, N, VARIABLE, SWBSFRESH BREEZESTHICK FOGGRAINHAZY0110000194656
1769-07-25T15:0058.42-52.175422.6N69W174.00-37SE, SEBE, EBS, EFRESH BREEZES THEN STRONG GALESRAINYGREAT SEA0100000194657
1769-07-26T16:0058.45-55.95199.3NWBW136.00-37E, NE, NEBESTRONG GALES, LESS WIND, MODERATE, PLEASANT GALESGREAT SEAHAZY THEN CLEAR THEN CLOUDY0000000194658
1769-07-27T16:0059.83-58.483621.0N70W81.00-38NE, NEBE, NEBN, VARIABLEFRESH BREEZES, SQUALLY, MODERATE, LIGHT AIRSCLOUDY THEN CLEAR0000000194659
1769-07-28T16:0060.87-60.133116.7N39W74.00-38WBN, WBS, W, VARIABLE, NBWLITTLE WIND, FRESH BREEZES, MODERATETHICKRAINCLEAR THEN CLOUDY0110000194660
1769-07-29T16:0061.38-62.79521.0N31.00-38NBW, VARIABLE, EBN, ELIGHT AIRSFINE AND CLEAR0000000194661
1769-07-30T16:0061.27-65.1015319.0RESOLUTIONNS87W144.0010AM SAW AN ISLE OF ICE-38SE, S, VARIABLE, SBWMODERATE BREEZES, FRESH GALESSMALL RAINSTRONG RIPPLINGCLEAR THEN HAZY0100001194662
1769-07-31T16:0061.13-65.251426.7RESOLUTIONNSSW1/2W9.008PM PASSED AND ISLE OF ICE-38SBW, SWBS, SFRESH GALES, MODERATERAINYCLEAR0110001194663