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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 Basse Terre to The Downs started at 1778-08-03 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.748453, 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: 30.836897 * Median Longitude: -56.461379 * South-bound Latitude: 19.150000 * West-bound Longitude: -64.270000 * North-bound Latitude: 39.530000 * East-bound Longitude: -45.750000
Date/Time Start: 1778-08-03T16:00:00 * Date/Time End: 1778-08-31T15:00:00
Event(s):
Deal_Castle_17780803_NMM_ADM/L/D26B * Latitude Start: 15.970000 * Longitude Start: -61.770000 * Latitude End: 47.720000 * Longitude End: -5.280000 * Date/Time Start: 1778-08-03T00:00:00 * Date/Time End: 1778-08-31T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Deal Castle (6th Rate Frigate), Voyage: Basse Terre - Downs, 1st Observer: William Parker (Captain), 2nd Observer: George Burlton (2nd Officer/Lieutenant), 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:
540 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)
1778-08-03T16:0019.15-64.271176.7SAMBREROS55E20N55W59.004EBN-ESEMODERATEHAZY000000049218
1778-08-04T16:0020.07-63.921176.7SAMBREROS18E30N20E58.004SE-ESEMODERATEFAIR000000049219
1778-08-05T16:0021.58-63.376.7SAMBREROS60N19E96.004MODERATEFAIR000000049220
1778-08-06T16:0022.77-63.02706.7SAMBREROS5E84N15E74.002EBS-ENEMODERATEFAIR000000049221
1778-08-07T16:0023.85-62.451356.7SAMBREROS10W106N26E72.000EBS-SEMODERATECLOUDY000000049222
1778-08-08T16:0025.13-61.701136.7SAMBREROS13:39W135N28E87.000E-ESEMODERATECLOUDY000000049223
1778-08-09T16:0025.80-61.371136.7BERMUDASN22:59W144N24E44.000ENE-ESEMODERATE, PM SQUALLYPM RAINHAZY010000049224
1778-08-10T16:0026.77-60.996.7BERMUDASN29W123N21E62.000MODERATE, PM SQUALLYPM RAINHAZY010000049225
1778-08-11T16:0027.82-60.271566.7BERMUDASN39W118N31E74.00-2E-SSEMODERATE, PM SQUALLYPM RAINHAZY010000049226
1778-08-12T16:0028.65-59.042019.3BERMUDASN51:41W121N52E82.00-2SSE-SSWFRESH BREEZESCLOUDY000000049227
1778-08-13T16:0029.45-58.122239.3BERMUDASN61:49W125N45E67.00-2SSW-SWFRESH BREEZES, PM SQUALLYPM RAINCLEAR010000049228
1778-08-14T16:0030.28-57.201996.7BERMUDASN71:18W133N44E69.00-4SSWMODERATEFAIR000000049229
1778-08-15T16:0030.66-56.421426.7BERMUDASN77:07W143-4SEBSMODERATECLEAR000000049230
1778-08-16T16:0031.03-55.701.0BERMUDASN80:08W161N72E39.00-4INCLINABLE TO CALMS000000049231
1778-08-17T16:0031.25-54.859.3SAMBREROS31:26W297N74E46.00-4FRESH BREEZESFAIR000000049232
1778-08-18T16:0032.28-55.24416.7SAMBREROS28:16W293N17W65.00-4E-NEMODERATEFAIR000000049233
1778-08-19T16:0033.00-56.04726.7SAMBREROS24:39W311N43W59.00-7ENE-EBNMODERATEFAIR000000049234
1778-08-20T16:0033.08-55.543626.7SAMBREROS26:00W323N78E26.00-7VARIABLEMODERATEFAIR000000049235
1778-08-21T16:0033.30-54.67166.7SAMBREROS28W329N73E44.00-7ENE-NNEMODERATEFAIR000000049236
1778-08-22T16:0033.88-55.04386.7SAMBREROS29:18W351N27W39.00-7ENE-NEMODERATEFAIR000000049237
1778-08-23T16:0034.45-54.34362SAMBREROS27:01W356N46E46.00-7VARIABLEFIRST PART MODERATE, MIDDLE AND LATTER SQUALLY UNCERTAIN WEATHERFIRST PART FAIR000000049238
1778-08-24T16:0035.00-54.892186.7SAMBREROS26:13W366N39W43.00-7NE-SWMODERATEFAIR000000049239
1778-08-25T16:0036.15-53.74161.0SAMBREROS26:08W391N39E89.00-7W-NNELIGHT AIRS000000049240
1778-08-26T15:0036.27-52.2514SAMBREROS29:07W405N6E72.00-9W-NNEFIRST PART FRESH BREEZESFIRST PART RAINMIDDLE AND LATTER FAIR010000049241
1778-08-27T15:0036.72-51.72142.6SAMBREROS29:36W417N44E38.00-9S-NNELIGHT WINDSFAIR000000049242
1778-08-28T15:0037.92-50.591679.3SAMBREROS29:34W445N37E90.00-13S,FRESH BREEZESCLOUDY000000049243
1778-08-29T15:0039.15-48.141789.3SAMBREROS32:49W490N57E136.00-13SBWFRESH BREEZES000000049244
1778-08-30T15:0039.28-46.74659.3SAMBREROS34:58W505N83E65.00-14NBE-EBNFRESH BREEZES AND SQUALLY000000049245
1778-08-31T15:0039.53-45.753359.3SAMBREROS36:09W519N14E61.00-14NBE-NBWFRESH BREEZESHAZY000000049246