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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 York Factory to Gravesend started at 1777-09-15 [dataset]. Public Record Office, Kew, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751322, 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: 59.023684 * Median Longitude: -26.087895 * South-bound Latitude: 57.770000 * West-bound Longitude: -59.580000 * North-bound Latitude: 60.820000 * East-bound Longitude: -5.600000
Date/Time Start: 1777-09-15T16:00:00 * Date/Time End: 1777-10-03T12:00:00
Event(s):
Prince_Rupert_17770915_PRO_BH1_1602 * Latitude Start: 61.320000 * Longitude Start: -64.020000 * Latitude End: 51.490000 * Longitude End: 1.170000 * Date/Time Start: 1777-09-15T00:00:00 * Date/Time End: 1777-10-03T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Prince Rupert, Voyage: York Factory - Gravesend, 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
Distance to landmarkDistancearbitrary unitsDistance to the first landmark
CourseCourseCourse of the ship during the past 24 hours
10 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
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:
323 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)

Course
(Course of the ship during the...)
10 
Distance [arbitrary units]
(Distance travelled during the...)
11 
Decl [deg]
(It is generally accepted by t...)
12 
Wind dir descr
(All reported wind directions ...)
13 
Wind force descr
(All reported wind forces on t...)
14 
ww
(Weather description)
15 
Precip descr
16 
State sea descr
17 
Clearness
18 
Gusts
(1 If wind gusts are reported)
19 
Rain
(1 If rain was reported)
20 
Fog
(1 If fog was reported)
21 
Snow
(1 If snow was reported)
22 
Thunder
(1 If thunder and or lightning...)
23 
Hail
(1 If hail was reported)
24 
Sea ice
(1 If sea-ice or icebergs were...)
25 
ID
(CLIWOC 2.1 line number)
1777-09-15T16:0060.82-59.582766.7S78E171.00-39SWBS, SW, W, NWFRESH GALES, MODERATE BREEZESSMALL RAINCLOUDY0100000195032
1777-09-16T15:0059.87-52.35288E1/2S195.00-38NWBNSQUALLYHAIL0001010195033
1777-09-17T15:0058.92-48.15362EBS3/4S171.00-38NNW, NW, VARIABLESQUALLYSHOWERS OF RAIN AND HAIL1100010195034
1777-09-18T15:0058.45-45.633011.0EBS3/4S83.00-37N, VARIABLE, NNE, N, NNWMODERATE BREEZES, LITTLE WINDS, LIGHT AIRS, ALMOST CALMCLOUDY THEN CLEAR0000000195035
1777-09-19T15:0057.77-41.0222322.6CAPE FAREWELLNBW3/4W40S75E152.00-36VARIABLE, SSW, WSW, W, WBSLIGHT AIRS, FRESH GALES, STRONG GALESTHICK FOGRAINDEEP SEA0110000195036
1777-09-20T14:0057.95-34.8528122.6E4N199.00-34WSW, WNW, NWSTRONG GALESCLOSE AND THICK FOGHEAVY SEAHAZY0010000195037
1777-09-21T14:0058.10-29.7526019.0E4N162.00-33NW, WNWSTRONG GALES, MODERATE GALES, FRESH GALESDEEP SEA RUNNING, LONG DEEP SWELL FROM SWCLOUDY0000000195038
1777-09-22T14:0058.43-25.631386.7E3/4N132.00-31NWBW, VARIABLE, WSW, WNW, SBEFRESH GALES, FRESH BREEZES, MODERATETHICK RAINGREAT SEA FROM SOUTHCLOUDY, MISTY0100000195039
1777-09-23T13:0058.80-21.37251N81E134.00-30S, SBW, SSW, W, WBNFRESH GALES, SQUALLYTHICKHEAVY RAINSWELL FROM NORTHHAZY THEN CLEAR0110000195040
1777-09-24T13:0058.93-17.703622.6E1/2N120.00-30WBN, VARIABLEFRESH BREEZES, MODERATE, LITTLE WINDCLOSERAINCLOUDY, HAZY0100000195041
1777-09-25T13:0058.97-17.452421.0ES8.00-28WLIGHT AIRS AND CALMCLOUDY AND CLEAR0000000195042
1777-09-26T13:0059.23-16.62629.3N67E28.00-28SE, SEBE, VARIABLE, ELIGHT AIRS, FRESH BREEZESGREAT SWELL FROM ENECLOUDY THEN CLEAR0000000195043
1777-09-27T13:0059.38-15.12118S78E47.00-28ENE, NE, VARIABLE, SEBE, SEBSFRESH GALES, SQUALLYTHICKTHICK RAINHAZY THEN CLOUDY0110000195044
1777-09-28T13:0060.25-14.1810719.0N26:30E63.00-28SEBS, SESTRONG GALES, LITTLE WIND, FRESH GALESTHICK MIST AND CLOSERAINCLOUDY0110000195045
1777-09-29T13:0059.33-14.77141S16W63.00-28SEBS, SE, VARIABLE, SBEFRESH GALES, MODERATE, SQUALLYTHICK FOGRAIN0110000195046
1777-09-30T13:0059.38-13.77362E4N31.00-28S, SBW, S, SSE, SEBE, VARIABLEFRESH GALES, SQUALLYTHICK AND MISTYRAIN0110000195047
1777-10-01T13:0059.12-11.70989.3S74E67.00-26SWBW, SW, SWBS, VARIABLE, SEBEFRSEH GALES, MODERATE, LIGHT AIRS, FRESH BREEZESCONFUSED SEAHAZY0000000195048
1777-10-02T13:0058.78-10.432670.0S63E44.00-26SEBE, SEBS, SSE, SBE, WNWMODERATE BREEZES, CALMCLOSERAINHEAVY DARK CLOUD0100000195049
1777-10-03T12:0058.97-5.60212N86E150.00-24WNW, VARIABLE, SW, SSW, SWBWFRESH GALES, STRONG GALES, HEAVY SQUALLSTHICK RAIN0100000195050