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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 Deal Castle cruise from Guernsey to Madeira started at 1773-05-05 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.748447, 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: 42.993529 * Median Longitude: -12.121765 * South-bound Latitude: 32.520000 * West-bound Longitude: -16.030000 * North-bound Latitude: 49.270000 * East-bound Longitude: -3.220000
Date/Time Start: 1773-05-05T12:00:00 * Date/Time End: 1773-05-21T13:00:00
Event(s):
Deal_Castle_17730505_NMM_ADM/L/D26B * Latitude Start: 49.270000 * Longitude Start: -3.220000 * Latitude End: 32.130000 * Longitude End: -16.570000 * Date/Time Start: 1773-05-05T00:00:00 * Date/Time End: 1773-05-21T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Deal Castle (6th Rate Frigate), Voyage: Guernsey - Madeira, 1st Observer: James Cumming (Captain), Company: Royal Navy, Other ship information: 20G 400BM
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 Precipitation descriptionPrecip descr
15 ClearnessClearness
16 GustsGusts1 If wind gusts are reported
17 Precipitation/RainRain1 If rain was reported
18 FogFog1 If fog was reported
19 Snow typeSnow1 If snow was reported
20 ThunderThunder1 If thunder and or lightning was reported
21 HailHail1 If hail was reported
22 Sea iceSea ice1 If sea-ice or icebergs were reported
23 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 
Precip descr
15 
Clearness
16 
Gusts
(1 If wind gusts are reported)
17 
Rain
(1 If rain was reported)
18 
Fog
(1 If fog was reported)
19 
Snow
(1 If snow was reported)
20 
Thunder
(1 If thunder and or lightning...)
21 
Hail
(1 If hail was reported)
22 
Sea ice
(1 If sea-ice or icebergs were...)
23 
ID
(CLIWOC 2.1 line number)
1773-05-05T12:0049.27-3.221591.0BASS44E12N44W37.00-21NW, W, SLIGHT AIRSRAINHAZY010000049111
1773-05-06T12:0049.20-3.973179.3GUERNSEYN67E18S67W55.00-21ENE, NE, NNWFRESH BREEZESFAIR000000049112
1773-05-07T12:0048.02-7.2311419.0LIZARDN57E70S67:30W101.00-21SE, NE, SEFRESH GALESCLOUDY000000049113
1773-05-08T13:0047.83-8.6029319.0LIZARDN50E76S79:15W60.00-22SSE, SW, NWFRESH GALES AND SQUALLYRAIN010000049114
1773-05-09T13:0048.00-10.932482.6LIZARDN68E86N63W45.00-22SW, WLITTLE WINDSRAIN AT TIMES010000049115
1773-05-10T13:0045.50-11.97249.3LIZARDN49E134S33W159.00-21NW, NBW, NEFRESH BREEZESCLOUDY000000049116
1773-05-11T13:0044.10-12.101930.6LIZARDNE155S4W80.00-21NBE, NNW, SWBSLIGHT AIRS INCLINABLE TO CALMS000000049117
1773-05-12T13:0043.88-13.031939.3LIZARDN43E167S72W41.00-21SSW, WSW, SWBSFRESH BREEZESCLOUDY000000049118
1773-05-13T13:0043.67-13.252046.7LIZARDN42E172S87W10.00-21SSW, SWFRESH GALES AND SQUALLY, MIDDLE STRONG GALES AND SQUALLY, LATTER MORE MODERATEMIDDLE HEAVY RAIN010000049119
1773-05-14T13:0043.65-14.1522726.8LIZARDN42E187S86W40.00-21SW, WSWHARD GALESCLOUDY000000049120
1773-05-15T13:0041.78-14.3529619.0LIZARDN42E216S3W107.00-19WNW, W, NWFRESH GALESCLOUDY000000049121
1773-05-16T13:0041.70-14.601721.0LIZARDN33E231S44W16.00-19WBN, CALM, SBWFIRST AND LATTER PARTS LIGHT AIRS, MIDDLE CALMMIDDLE CLOUDY000000049122
1773-05-17T13:0040.78-16.031729.3LIZARDN45E240S55W70.00-19SSW, SSE, SBWFRESH BREEZESRAIN010000049123
1773-05-18T13:0039.22-15.982746.7MADEIRAS9W143S1E89.00-19S, WNWMODERATERAIN010000049124
1773-05-19T13:0037.20-15.832759.3MADEIRAS9W92S2:30E128.00-18NE, N, WNWFRESH BREEZESRAIN010000049125
1773-05-20T13:0034.57-15.302979.3MADEIRAS27W43S6E156.00-18WBN, W, NWFRESH BREEZES AND SQUALLYSQUALLS OF RAIN110000049126
1773-05-21T13:0032.52-15.5359.3MADEIRAN80W21S4W115.00-18NNW, WNW, NNEFRESH BREEZESCLOUDY000000049127