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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 FERRET cruise from Port Royal to Spithead started at 1792-09-16 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.749308, 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: 37.987200 * Median Longitude: -43.816400 * South-bound Latitude: 22.530000 * West-bound Longitude: -71.730000 * North-bound Latitude: 49.870000 * East-bound Longitude: -9.730000
Date/Time Start: 1792-09-16T17:00:00 * Date/Time End: 1792-10-10T13:00:00
Event(s):
Ferret_17920916_NMM_ADM/L/F169 * Latitude Start: 17.870000 * Longitude Start: -76.830000 * Latitude End: 50.680000 * Longitude End: -0.960000 * Date/Time Start: 1792-09-16T00:00:00 * Date/Time End: 1792-10-10T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Ferret (Brig), Voyage: Port Royal - Spithead, 1st Observer: William Nowell (Captain), Company: Royal Navy, Other ship information: 10G 202BM
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 State of the sea descriptionState sea 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:
477 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 
State sea 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)
1792-09-16T17:0022.53-71.731831.0BERMUDASN85E215N24E32.003SEBE, SLIGHT AIRS INCLINABLE TO CALM000000095375
1792-09-17T17:0024.15-69.851381.0BERMUDASN31:53E169N47E114.003SEBE, SELIGHT AIRS INCLINABLE TO CALM000000095376
1792-09-18T17:0024.87-69.101169.3BERMUDASN31:21E115N36:52E50.003ESEFRESH BREEZESCLEAR WEATHER000000095377
1792-09-19T17:0025.68-68.173182.6BERMUDASN27:30E128N50E77.003NWBW, NWMODERATE BREEZES, AT 10 PM LIGHT AIRS, AT NOON LIGHT BREEZESCLOUDY, AT NOON CLEAR000000095378
1792-09-20T16:0027.52-65.503029.3BERMUDASN9:05E77N52:26E181.00-2WNW, NWBWFRESH BREEZES, AT NOON SQUALLY, AT NOON FRESH BREEZESCLOUDY000000095379
1792-09-21T16:0029.70-62.183019.3BERMUDASN54:15W59N53E217.00-3NW, NWBWFRESH BREEZESCLOUDY000000095380
1792-09-22T16:0030.78-59.1830122.6BERMUDASN83:30W96N67:30E170.00-3NNW, NWBWFRESH GALES, AT NOON STRONG GALES AND SQUALLYAT NOON HEAVY SEACLEAR000000095381
1792-09-23T16:0031.55-56.9829922.6BERMUDASN88:05E133N67:51E122.00-5VARIABLE, NWBWSTRONG GALES AND SQUALLYAT 8PM RAIN AT TIMES010000095382
1792-09-24T16:0031.53-55.68186.7BERMUDASS88:31E154E67.00-5VARIABLE, NNEFRESH GALES, AT 12 MODERATECLOUDY, AT 12 CLEAR000000095383
1792-09-25T16:0033.32-53.32596.7BERMUDASS75:29W160N20:06E107.00-9VARIABLE, EBS, ENEFRESH BREEZES, AT NOON MODERATE BREEZESCLOUDY, AT NOON CLEAR000000095384
1792-09-26T16:0035.15-52.851376.7CORVOS75:40E341N37:37E187.00-9VARIABLE, SSE, SEBSMODERATE BREEZES, AT 3PM SQUALLY, AT 5 MODERATECLOUDY0000000a trivial correction was made in this observation95385
1792-09-27T15:0037.65-51.401659.3CORVON82:37E316N38:00E191.00-15SEBS, SBW, SMODERATE BREEZES, AT 3PM SQUALLY, AT 5 MODERATE, AT NOON FRESH BREEZESAT NOON CLOUDY000000095386
1792-09-28T15:0040.00-47.4316419.0CORVON88:32E247N52:44E231.00-16SSW, SFRESH BREEZES, AT 8PM SQUALLY, AT 12 FRESH GALESCLEAR, AT 12 CLOUDY000000095387
1792-09-29T15:0040.93-45.7334419.0CORVOS81:13E212N62:18E123.00-16SBE, NFRESH GALES AND SQUALLYAT 12 A HEAVY SEA000000095388
1792-09-30T15:0041.90-42.072986.7CORVOS74:43E168N66:36E146.00-17NBW, NWSTRONG GALES AND SQUALLY, AT 5 MORE MODERATE, AT NOON MODERATEHEAVY SEAAT NOON CLOUDY000000095389
1792-10-01T15:0043.08-39.352939.3CORVOS60:31E105N59:23E139.00-22WBS, SW, NWLIGHT AIRS, AT NOON FRESH BREEZESHEAVY SWELL FROM THE NWCLOUDY000000095390
1792-10-02T14:0044.57-34.681819.3CORVOS26:59E109N66:15E221.00-22SW, SSWMODERATE BREEZES, AT NOON FRESH BREEZESCLOUDY000000095391
1792-10-03T14:0045.93-29.982259.3LIZARDN76:22E348N67:30E215.00-23WBS, W, WSWFRESH BREEZESHAZY000000095392
1792-10-04T14:0046.43-26.682582.6LIZARDN76:19E294N77:44E141.00-23VARIABLE, NEBN, WBNFRESH BREEZES, AT NOON LIGHT BREEZESCLOUDY, AT NOON CLEAR000000095393
1792-10-05T14:0047.23-23.103609.3LIZARDN77:01E242N71:58E155.00-23SW, WBN, NBW, NNELIGHT BREEZES, AT 4PM CALM, AT NOON FRESH BREEZESCLEAR000000095394
1792-10-06T13:0047.92-18.673006.7LIZARDN77:00E181N77:6E184.00-26NBW, VARIABLE, NE, NWBNFRESH BREEZES, AT 4 FRESH GALES AND SQUALLY, AT 8PM STRONG GALES AND SQUALLY, AT 6 MORE MODERATECLOUDY000000095395
1792-10-07T13:0048.37-16.13199.3LIZARDN78:15E145N69:42E106.00-26VARIABLE, NBW, NEFRESH BREEZESCLOUDY000000095396
1792-10-08T13:0049.40-13.1531219.0LIZARDN83:52E103N66:13E129.00-26N, NBE, NNWLIGHT AIRS, AT 1/2 PAST 11 SQUALLY, AT 12 FRESH GALESHAZY000000095397
1792-10-09T13:0049.87-12.771991.0LIZARDN89:01E97N28:10E32.00-26ESE, SWLIGHT BREEZES, AT 12 CALM, AT NOON LIGHT AIRSCLOUDY000000095398
1792-10-10T13:0049.62-9.732009.3LIZARDN83:27E58S82:49E120.00-25NNW, NWBN, SWLIGHT BREEZES, AT 10 FRESH BREEZES, AT NOON FRESH BREEZESCLOUDY000000095399