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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 DRUID cruise from Plymouth to Cork started at 1793-08-03 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.748708, 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: 45.386667 * Median Longitude: -10.399259 * South-bound Latitude: 41.070000 * West-bound Longitude: -13.070000 * North-bound Latitude: 51.200000 * East-bound Longitude: -5.870000
Date/Time Start: 1793-08-03T12:00:00 * Date/Time End: 1793-08-31T13:00:00
Event(s):
Druid_17930803_NMM_ADM/L/D242 * Latitude Start: 50.299000 * Longitude Start: -4.150000 * Latitude End: 50.630000 * Longitude End: -10.420000 * Date/Time Start: 1793-08-03T00:00:00 * Date/Time End: 1793-08-31T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Druid (5th Rate Frigate), Voyage: Plymouth - Cork, 1st Observer: Joseph Ellison (Captain), 2nd Observer: John Buller (1st Officer/Master), Company: Royal Navy, Other ship information: 32G 710BM
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 Precipitation descriptionPrecip 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 CommentComment
25 IdentificationIDCLIWOC 2.1 line number
Size:
530 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 
Precip descr
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 
Comment
25 
ID
(CLIWOC 2.1 line number)
1793-08-03T12:0049.43-5.87662.6USHANTS32E22S39W40.00-24SE, NNE, WNW, ELIGHT BREEZESCLEAR000000062983
1793-08-04T12:0049.07-6.473142.6SCILLYN10W17S47W33.00-24NBW, SW, WSW, NNWLIGHT BREEZESFINE000000062984
1793-08-05T13:0048.48-7.5527919.0USHANTE34S51W56.00-25SSW, SW, NWBWFRESH GALESHAZY000000062985
1793-08-06T13:0047.95-8.5221119.0CAPE TENERIFFES6W102S51W50.00-25N, VARIABLE, SWBWFRESH GALES000000062986
1793-08-07T13:0047.40-10.021122.6USHANTN87E67N66W66.00-23SSE, SW, SELIGHT BREEZESCLOUDY0000000a trivial correction was made in this observation62987
1793-08-08T13:0047.07-10.432029.3CAPE TENERIFFES11E86S12W82.00-23W, SWFRESH BREEZESHAZY THE CLOUDY000000062988
1793-08-10T13:0044.17-11.10452.6CAPE TENERIFFES50E35S14W76.00-23ENELIGHT BREEZESCLOUDY000000062989
1793-08-11T00:0041.85452.6SHORE21NELIGHT BREEZESHAZY000000062990
1793-08-12T13:0041.30-9.182932.6OPORTOS63E6S11W33.00-22NWBN, NWLIGHT BREEZESCLOUDY THEN CLEAR000000062991
1793-08-13T13:0041.07-8.8812.6OPORTON45E3S45E20.00-22NE, NNELIGHT BREEZESFOGGY THEN CLEAR001000062992
1793-08-14T13:0041.07-9.083161.0OPORTON68E6W9.00-22NNWLIGHT BREEZES THEN LIGHT AIRSCLEAR THEN FOGGY001000062993
1793-08-15T13:0041.50-9.052480.0CAPE FINNISTERN6W28N58W38.00-22S, NNE, WCALMFOGGY001000062994
1793-08-16T13:0041.43-9.003492.6CAPE FINNISTERN3W29S45W6.00-22NBELIGHT BREEZESFINE000000062995
1793-08-17T13:0042.57-9.8522519.0CAPE FINNISTERN56E11N25W75.00-23WNW, WSWFRESH BREEZES THEN FRESH GALESFOGGY THEN CLOUDY001000062996
1793-08-18T13:0042.63-9.62909.3CAPE FINNISTERN51E7N68E11.00-23ENE, NE, ESEFRESH BREEZESCLEAR000000062997
1793-08-19T13:0043.57-11.059019.0SCILLYN25E140N48W84.00-23ENE, NE, ESELIGHT BREEZES THEN FRESH GALESHAZY THEN CLOUDY000000062998
1793-08-20T13:0044.13-12.13336.7SCILLYN33E137N54W58.00-23NE, NEBEFRESH GALES THEN MODERATE BREEZESCLOUDY000000062999
1793-08-21T13:0044.50-12.75441.0SCILLYN37E136N50W34.00-24ENELIGHT AIRS AND LIGHT BREEZESCLEAR THEN FINE000000063000
1793-08-22T13:0044.70-12.83321.0SCILLYN39E134N14W12.00-24N, NEBEFIRST AND MIDDLE LIGHT BREEZES, LATTER LIGHT AIRS INCLINABLE TO CALMCLEAR000000063001
1793-08-23T13:0044.70-12.483601.0SCILLYN37E130E15.00-23NNE, VARIABLE, NNEFIRST CALM, MID LIGH TBREEZES, LATTER LIGHT AIRSCLOUDY000000063002
1793-08-24T13:0045.15-12.953591.0SCILLYN42E128N36W34.00-24NE, EBN, E, NNEFIRST AND LATTER LIGHT AIRS, MID FRESH BREEZESCLOUDY THEN CLEAR000000063003
1793-08-25T13:0045.97-13.07662.6SCILLYN47E117N6W50.00-24ESE, EFRESH BREEZES THEN LIGHT BREEZESFINE THEN CLOUDY000000063004
1793-08-26T13:0046.03-12.5832519.0SCILLYN45E110N79E21.00-24NBE, NE, NBWLIGHT AIRS THEN FRESH GALESHEAVY RAINCLEAR THEN HAZY010000063005
1793-08-27T13:0045.93-12.98101.0SCILLYN47E116S70W18.00-24ENE, VARIABLE, NEBNFRESH BREEZES THEN LIGHT AIRS INCLINABLE TO CALMCLOUDY000000063006
1793-08-28T13:0046.67-12.522019.3SCILLYN50E102N23E48.00-24W, SWCALM THEN FRESH BREEZESCLOUDY000000063007
1793-08-29T13:0048.05-11.372239.3SCILLYN58E72N30E96.00-25W, WNW, WSWMODERATE BREEZES THEN FRESH BREEZECLEAR, HAZY, CLOUDY000000063008
1793-08-30T13:0049.70-10.352689.3OLD HEAD OF KINSALEN30E42N22E107.00-25NWBN, WNWFRESH BREEZESCLOUDY000000063009
1793-08-31T13:0051.20-9.1029019.0OLD HEAD OF KINSALEN40E8N28E102.00-25NWBN, NWFRESH GALESHAZY THEN CLOUDY000000063010