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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 SCARBOROUGH cruise from Boston to Savanah Georgia started at 1776-01-06 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752003, 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: 34.156154 * Median Longitude: -67.430769 * South-bound Latitude: 31.300000 * West-bound Longitude: -77.610000 * North-bound Latitude: 42.320000 * East-bound Longitude: -63.030000
Date/Time Start: 1776-01-06T17:00:00 * Date/Time End: 1776-01-31T17:00:00
Event(s):
Scarborough_17760106_NMM_ADM/L/S543 * Latitude Start: 41.980000 * Longitude Start: -67.060000 * Latitude End: 32.080000 * Longitude End: -77.610000 * Date/Time Start: 1776-01-06T00:00:00 * Date/Time End: 1776-01-31T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Scarborough (6th Rate Frigate), Voyage: Boston - Savanah Georgia, 1st Observer: Andrew Barclay (Captain), Company: Royal Navy, Other ship information: 20G 433BM
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:
502 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)
1776-01-06T17:0042.32-68.5336219.0BOSTONN84W38S84E115.00-6SW, S, VARIABLEFIRST FRESH BREEZES, MID STRONG GALES, LATTER FRESH GALESSNOWFIRST CLOUDY, LATTER CLEAR0001000230160
1776-01-07T16:0040.90-65.4034122.6BOSTONN70W93S59E164.00-8NNW, NBWFIRST AND MID HEAVY GALES, LATTER STRONG GALES AND SQUALLYSNOW AND SLEETVERY THICK0001000230161
1776-01-08T16:0039.17-65.402179.3BOSTONN56W136S104.00-8NW, SWFIRST STRONG GALES AND SQUALLY, MID AND LATTER FRESH BREEZESGREAT SEA FROM NWCLOUDY0000000230162
1776-01-09T16:0037.17-63.7623219.0TYBEE LIGHTHOUSES70W306S46E79.00-4SWBS, SWBWFIRST MODERATE, MID AND LATTER FRESH GALES AND SQUALLYCLOUDY0000000230163
1776-01-10T16:0036.67-63.0326622.6TYBEE LIGHTHOUSES72W309S50E47.00-4SW, WSTRONG GALES AND SQUALLY0000000230164
1776-01-11T16:0035.63-63.203116.7TYBEE LIGHTHOUSES76W305S7W61.00-4NWFIRST AND MID STRONG GALES AND SQUALLY, LATTER MODERATECLOUDY0000000230165
1776-01-12T16:0034.55-63.9136219.0TYBEE LIGHTHOUSES80W295S28W74.00-4VARIABLEFIRST AND MID MODERATE, LATTER FRESH GALESCLOUDY0000000230166
1776-01-13T16:0033.80-63.552219.3TYBEE LIGHTHOUSES63W300S22E48.00-4SWFRESH BREEZES AND SQUALLYSOME RAIN0100000230167
1776-01-14T16:0034.00-63.812666.7BERMUDASS34W41S38W34.00-4WFIRST AND MID FRESH BREEZES AND SQUALLY, LATTER MODERATE BREEZESFAIR0000000230168
1776-01-15T16:0033.07-63.813626.7BERMUDASS21W27S65.00-4VARIABLEFIRST AND LATTER MODERATE BREEZES, MID CALMFIRST AND LATTER FAIR, MID CLEAR0000000230169
1776-01-16T16:0033.35-64.882219.3BERMUDASS17W20N72W52.00-4SWFRESH BREEZESCLOUDY0000000230170
1776-01-17T16:0033.90-66.0819919.0TYBEES81W248N69W90.00-4SSWFRESH GALES AND SQUALLY0000000230171
1776-01-18T16:0034.45-66.252216.7TYBEES78W246N19E34.00-4SWFIRST AND MID FRESH GALES, LATTER MODERATECLOUDY0000000230172
1776-01-19T16:0033.80-65.812219.3TYBEES82W261S28E43.00-4SWFRESH BREEZESA GREAT SWELLCLOUDY0000000230173
1776-01-20T16:0032.90-66.032666.7BERMUDASS67W27S27W27.00-4WMODERATE BREEZESCLOUDY0000000230174
1776-01-21T17:0033.15-68.0626819.0TYBEE LIGHTHOUSES84W223N80W81.00-2NW, E, SE, WFIRST MODERATE BREEZES, MID AND LATTER FRESH GALESHARD RAINCLOUDY0100000230175
1776-01-22T17:0032.38-67.6324919.0TYBEE LIGHTHOUSES88W232S26E52.001WSWFRESH GALES AND SQUALLYRAIN0100000230176
1776-01-23T16:0031.77-67.433152.6TYBEE LIGHTHOUSEN89W243S15W38.000SW, W, NWFIRST HARD GALES AND SQUALLY, MID FRESH GALES, LATTER LITTLE WINDCONFUSED TUMBLING SWELLCLOUDY0000000230177
1776-01-24T16:0031.90-67.131806.7TYBEE LIGHTHOUSEN89W237N62E17.000SMODERATE BREEZESHAZY0000000230178
1776-01-25T17:0032.00-69.161819.3TYBEE LIGHTHOUSEW204N87W105.001SFRESH BREEZESSOME RAINHAZY0100000230179
1776-01-26T17:0032.42-70.182266.7TYBEE LIGHTHOUSES87W185N54W57.001SWFIRST FRESH GALES AND SQUALLY, MID AND LATTER MODERATERAINCLOUDY0100000230180
1776-01-27T17:0032.00-70.752716.7TYBEE LIGHTHOUSEW177S53W37.001WMODERATECLOUDY0000000230181
1776-01-28T17:0031.30-72.66716.7TYBEE LIGHTHOUSEN85W148S67W109.003NE, ENEFIRST AND LATTER MODERATE, MID FRESH GALES AND SQUALLYHAZY0000000230182
1776-01-29T17:0031.35-73.413622.6TYBEE LIGHTHOUSEN84W134S86W40.003VARIABLELITTLE WINDFAIR0000000230183
1776-01-30T17:0032.03-75.731169.3TYBEE LIGHTHOUSEW94N72W126.003NNE, E, ESEFIRST AND MID MODERATE, LATTER FRESH BREEZESFIRST AND MID FAIR, LATTER CLOUDY0000000230184
1776-01-31T17:0032.08-77.6146.7TYBEE LIGHTHOUSES88W62N87W92.004SSE, S, NW, NFIRST FRESH BREEZES, MID SQUALLY, LATTER MODERATETHUNDER AND LIGHTNINGRAINFIRST CLOUDY, LATTER HAZY0100100230185