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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 RUBY cruise from Spithead to Madeira started at 1778-05-27 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751824, 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: 42.192308 * Median Longitude: -11.212308 * South-bound Latitude: 32.630000 * West-bound Longitude: -16.860000 * North-bound Latitude: 49.400000 * East-bound Longitude: -4.830000
Date/Time Start: 1778-05-27T12:00:00 * Date/Time End: 1778-06-09T00:00:00
Event(s):
Ruby_17780527_NMM_ADM/L/R99 * Latitude Start: 50.680000 * Longitude Start: -0.960000 * Latitude End: 32.130000 * Longitude End: -16.570000 * Date/Time Start: 1778-05-27T00:00:00 * Date/Time End: 1778-06-09T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Ruby (3rd Rate Frigate), Voyage: Spithead - Madeira, 1st Observer: H. Ball (2nd Officer/Lieutenant), Company: Royal Navy, Other ship information: 64G 1369BM
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 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.
13 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.
14 Wind force descriptionWind force descrAll reported wind forces on this day
15 Present weatherwwWeather description
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:
257 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 
Decl [deg]
(It is generally accepted by t...)
13 
Wind dir descr
(All reported wind directions ...)
14 
Wind force descr
(All reported wind forces on t...)
15 
ww
(Weather description)
16 
Clearness
17 
Gusts
(1 If wind gusts are reported)
18 
Rain
(1 If rain was reported)
19 
Fog
(1 If fog was reported)
20 
Snow
(1 If snow was reported)
21 
Thunder
(1 If thunder and or lightning...)
22 
Hail
(1 If hail was reported)
23 
Sea ice
(1 If sea-ice or icebergs were...)
24 
ID
(CLIWOC 2.1 line number)
1778-05-27T12:0049.40-4.832486.7STARTN47E211S47W53.00-22WMODERATE BREEZESCLOUDY0000000217512
1778-05-28T12:0048.38-6.18362STARTN44E48S44W145.00-22VARIABLESQUALLYTHICK FOGS0010000217513
1778-05-29T13:0047.38-7.662946.7STARTN44E76S49W86.00-21NWBN, NBE, N, NWMODERATETHICK FOGGY WEATHER0010000217514
1778-05-30T13:0046.73-8.482942.6STARTN43:30E93S40W51.00-21NNW, VARIABLE, NWLIGHT BREEZES0000000217515
1778-05-31T13:0045.37-10.103282.6STARTN42E127S37W103.00-21WNW, NBWLIGHT BREEZES0000000217516
1778-06-01T13:0044.85-10.202492.6STARTN40E160S78W31.00-21WLIGHT BREEZES0000000217517
1778-06-02T13:0044.00-11.11352.6STARTN46E160S38W65.00-21WBS, WBN, NEBELIGHT BREEZES0000000217518
1778-06-03T13:0042.23-12.35706.7STARTN37E192S27W119.00-20EMODERATECLOUDY0000000217519
1778-06-04T13:0040.02-13.78716.7STARTN35E255S26W147.00-19EMODERATE0000000217520
1778-06-05T13:0037.67-14.10719.3STARTN30E291S6W142.00-19EFRESH BREEZESCLOUDY0000000217521
1778-06-06T13:0035.87-14.583316.7STARTM29E326S12W111.00-18NEBN, NBWMODERATE BREEZES0000000217522
1778-06-07T13:0033.97-15.533426.7STARTN28:30E362S22W123.00-18NW, NMODERATE BREEZESCLOUDY0000000217523
1778-06-08T13:0032.63-16.863316.7STARTN29E397S40W105.00-18NBWMODERATE BREEZESCLOUDY0000000217524
1778-06-09T00:0032.70349.3PORTO SANCTON1/2E51NEBE, NEBNFRESH BREEZES0000000217525