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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 FOWEY cruise from Halifax to Charlestown started at 1768-12-11 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.749337, 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: 35.020000 * Median Longitude: -71.077647 * South-bound Latitude: 30.920000 * West-bound Longitude: -78.250000 * North-bound Latitude: 43.770000 * East-bound Longitude: -63.930000
Date/Time Start: 1768-12-11T16:00:00 * Date/Time End: 1768-12-27T17:00:00
Event(s):
Fowey_17681211_NMM_ADM/L/F205 * Latitude Start: 43.400000 * Longitude Start: -63.030000 * Latitude End: 31.830000 * Longitude End: -77.920000 * Date/Time Start: 1768-12-11T00:00:00 * Date/Time End: 1768-12-27T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Fowey (6th Rate Frigate), Voyage: Halifax - Charlestown, 1st Observer: Mark Robinson (Captain), Company: Royal Navy, Other ship information: 24G 508BM
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 Present weatherwwWeather description
15 Precipitation descriptionPrecip descr
16 State of the sea descriptionState sea descr
17 ClearnessClearness
18 GustsGusts1 If wind gusts are reported
19 Precipitation/RainRain1 If rain was reported
20 FogFog1 If fog was reported
21 Snow typeSnow1 If snow was reported
22 ThunderThunder1 If thunder and or lightning was reported
23 HailHail1 If hail was reported
24 Sea iceSea ice1 If sea-ice or icebergs were reported
25 IdentificationIDCLIWOC 2.1 line number
Size:
318 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 
ww
(Weather description)
15 
Precip descr
16 
State sea descr
17 
Clearness
18 
Gusts
(1 If wind gusts are reported)
19 
Rain
(1 If rain was reported)
20 
Fog
(1 If fog was reported)
21 
Snow
(1 If snow was reported)
22 
Thunder
(1 If thunder and or lightning...)
23 
Hail
(1 If hail was reported)
24 
Sea ice
(1 If sea-ice or icebergs were...)
25 
ID
(CLIWOC 2.1 line number)
1768-12-11T16:0043.77-63.931336.7CAPE SAMBRONEBE1/2E17SWBW1/2W50.00-13NW, VARIABLE-SEBSMODERATECLOUDY000000096714
1768-12-12T16:0041.73-64.4835222.6CAPE SAMBRON13E58SBW123.00-8SE, WNW, NW-NFRESH GALES AND SQUALLY, AT 8 STRONG GALESSEA ALL CONFUSED, AT NOON SEA MUCH FALLEN000100096715
1768-12-13T16:0041.23-66.113626.7CAPE SAMBRON30W77WSW80.00-8N, VARIABLEMODERATECLOUDY000000096716
1768-12-14T16:0039.45-66.6336219.0CAPE SAMBRON23:50E112S13W110.00-8N, VARIABLEFRESH GALESCLOUDY000000096717
1768-12-15T17:0036.57-69.167726.8CAPE SAMBRON27:53E181SWBS208.00-2NE-EBNSTRONG GALES, AT NOON VERY STRONG GALESCONSTANT RAINAT NOON HIGH SEA010000096718
1768-12-16T17:0035.55-70.0324619.0CAPE SAMBRON28:38E206S3/4W77.00-2NE, SW, VARIABLE-WSWEXCEEDINGLY STRONG GALES, AT NOON FRESH GALES AND SQUALLYTHICKRAINY WEATHERHOLLOW SEA AND VERY LARGE SWELL, AT NOON SEA MUCH FALLEN011000096719
1768-12-17T17:0033.67-70.03268CAPE SAMBRON24:35E240S112.00-2NNW, WSQUALLYSHOWERS OF HAIL AND SLEET110101096720
1768-12-18T17:0033.83-70.382466.7CAPE SAMBRON26:04E239NWBW1/4W20.00-2W, WSWMODERATECLOUDY000000096721
1768-12-19T17:0033.10-70.51212.6CAPE SAMBRON25:08E253S10W45.00-2WSW, VARIABLE-NNEFIRST PART MODERATE, MIDDLE AND LATTER LITTLE WIND000000096722
1768-12-20T17:0033.03-73.102142.6CAPE SAMBRON32:38E274W80S130.000NE, VARIABLE, SWBSLITTLE WIND, AT 10 PM FRESH BREEZES000000096723
1768-12-21T17:0033.37-74.06792.6CAPE SAMBRON35:52E277WNW53.000SWBS-EBNLITTLE WIND, AT 10 PM FRESH BREEZES000000096724
1768-12-22T17:0032.67-74.402702.6CAPE SAMBRON35:16E292SSW44.000SWBS-WLITTLE WIND, AT 10 PM FRESH BREEZESLARGE SEA000000096725
1768-12-23T17:0031.33-73.98273CAPE SAMBRON31:40E311SEBE1/2E84.003WVERY STRONG SQUALLSRAINLARGE DEEP SEA010000096726
1768-12-24T17:0030.92-73.633186.7CAPE SAMBRON30:05E316S36E31.003SWBS-NWSTRONG GALES AND SQUALLY, AT 8AM MORE MODERATE000000096727
1768-12-25T17:0031.13-73.982841.0CAPE SAMBRON31:18E314NWBW22.003NWBN, CALM, WSW, WBNLIGHT AIRS AND CALMS000000096728
1768-12-26T17:0031.27-75.66104CAPE SAMBRON35:29E327W1/2N87.003NEBE, EBSFINE PLEASANT WEATHER000000096729
1768-12-27T17:0032.72-78.25159CAPE SAMBRON45:55E329W29N178.001ESE, SSEMODERATE, 11AM SQUALLYAT 11 AM RAINCLOUDY010000096730