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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 SHOREHAM cruise from York in Virginia to Charlestown started at 1754-11-15 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752126, 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: 34.522857 * Median Longitude: -75.635714 * South-bound Latitude: 32.070000 * West-bound Longitude: -78.070000 * North-bound Latitude: 36.420000 * East-bound Longitude: -74.580000
Date/Time Start: 1754-11-15T00:00:00 * Date/Time End: 1754-11-30T17:00:00
Event(s):
Shoreham_17541115_NMM_ADM/L/S277 * Latitude Start: 37.200000 * Longitude Start: -76.300000 * Latitude End: 31.830000 * Longitude End: -77.920000 * Date/Time Start: 1754-11-15T00:00:00 * Date/Time End: 1754-11-30T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Shoreham (6th Rate Frigate), Voyage: York In Virginia - Charlestown, 1st Observer: Julian Legge (Captain), 2nd Observer: Charles Ellis (1st Officer/Master), Company: Royal Navy, Other ship information: 24G. 498BM
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 IdentificationIDCLIWOC 2.1 line number
Size:
296 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 
ID
(CLIWOC 2.1 line number)
1754-11-15T00:002936.7NEW POINTNBE1WNWMODERATEFAIR0000000236241
1754-11-16T00:002812.6CAPE HENRYNWBW31WBNLITTLE WINDFAIR0000000236242
1754-11-17T17:0035.72-74.773626.7CAPE HENRYN38W33SEBS20.00-1WNW, VARIABLEMODERATE AND HARD SQUALLSCLOUDY0000000236243
1754-11-18T17:0035.80-75.1517922.6CAPE HENRYN31W26N75?19.00-1SSE, SSTRONG GALES OF WIND WITH VIOLENT SQUALLS0000000236244
1754-11-19T17:0035.70-74.5824722.6CAPE HENRYN40W33EBS28.00-1W, WSWFIRST PART MODERATE, MIDDLE AND LATTER STRONG GALES0000000236245
1754-11-20T17:0036.42-75.0026926.8CAPE HENRYNWBW19N26W46.00-1SW, WVERY STRONG GALES0000000236246
1754-11-21T17:0036.03-75.0029222.6CAPE HENRYNW26S15E24.00-1WNWSTRONG GALES0000000236247
1754-11-22T17:0035.58-75.001572.6CAPE HENRYN30W31S15W28.00-1WBN, WNW, SSEFIRST AND MIDDLE PART FRESH GALES, LATTER LITTLE WINDFIRST AND MIDDLE CLEAR, LATTER CLOUDY0000000236248
1754-11-23T17:0035.00-75.103146.7CAPE HENRYN26W32SW7.00-1NWMODERATECLOUDY0000000236249
1754-11-24T17:0034.67-76.733146.7CAPE HENRYN14W47S10W56.00-1NWSTRONG GALES, AM MODERATECLOUDY, AM HAZY0000000236250
1754-11-25T17:0034.50-75.602926.7CAPE HENRYN17W49SWBW19.00-1NW, CALM, WNWLITTLE WIND, AM- MODERATECLOUDY0000000236251
1754-11-26T17:0033.23-75.0524719.0CAPE HENRYNBW76S20E80.00-1SWBW, WSWFRESH GALESRAINCLOUDY0100000236252
1754-11-27T17:0033.00-75.053626.7CAPE HENRYNBW80WBS14.00-1VARIABLEMODERATECLOUDY0000000236253
1754-11-28T17:0032.73-76.183622.6CAPE HENRYN2E84WBS50.00-1VARIABLELITTLE WINDCLOUDY0000000236254
1754-11-29T17:0032.07-77.623622.6CAPE HENRYN17E89S87W?73.002VARIABLEMODERATE, AM- LITTLE WINDCLOUDY0000000236255
1754-11-30T17:0032.87-78.073622.6CAPE HENRYN29E89N63W25.000VARIABLEMODERATE, AM- LITTLE WINDCLOUDY0000000236256