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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 SEAHORSE cruise from Gravesend to York Factory started at 1792-06-25. Public Record Office, Kew, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752082, 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). 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: 57.789333 * Median Longitude: -36.328333 * South-bound Latitude: 54.730000 * West-bound Longitude: -64.150000 * North-bound Latitude: 61.600000 * East-bound Longitude: -8.880000
Date/Time Start: 1792-06-25T13:00:00 * Date/Time End: 1792-07-24T16:00:00
Event(s):
Seahorse_17920625_PRO_BH1_1634 * Latitude Start: 51.490000 * Longitude Start: 1.170000 * Latitude End: 61.320000 * Longitude End: -64.020000 * Date/Time Start: 1792-06-25T00:00:00 * Date/Time End: 1792-07-24T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Seahorse, Voyage: Gravesend - York Factory, 1st Observer: Henry Hanwell (1st Officer/Master), Company: Hudson Bay Company
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 CommentCommentOther remarks, that were not possible to put in the other remark fields
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 Current speed descriptionV descr
15 Wind force descriptionWind force descrAll reported wind forces on this day
16 Present weatherwwWeather description
17 Precipitation descriptionPrecip descr
18 State of the sea descriptionState sea descr
19 ClearnessClearness
20 GustsGusts1 If wind gusts are reported
21 Precipitation/RainRain1 If rain was reported
22 FogFog1 If fog was reported
23 Snow typeSnow1 If snow was reported
24 ThunderThunder1 If thunder and or lightning was reported
25 HailHail1 If hail was reported
26 Sea iceSea ice1 If sea-ice or icebergs were reported
27 IdentificationIDCLIWOC 2.1 line number
Size:
491 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 
Comment
(Other remarks, that were not ...)
12 
Decl [deg]
(It is generally accepted by t...)
13 
Wind dir descr
(All reported wind directions ...)
14 
V descr
15 
Wind force descr
(All reported wind forces on t...)
16 
ww
(Weather description)
17 
Precip descr
18 
State sea descr
19 
Clearness
20 
Gusts
(1 If wind gusts are reported)
21 
Rain
(1 If rain was reported)
22 
Fog
(1 If fog was reported)
23 
Snow
(1 If snow was reported)
24 
Thunder
(1 If thunder and or lightning...)
25 
Hail
(1 If hail was reported)
26 
Sea ice
(1 If sea-ice or icebergs were...)
27 
ID
(CLIWOC 2.1 line number)
1792-06-25T13:0058.88-8.881959.3S86W78.00-30ESE, NE, WSW, SWLIGHT BREEZES, FRESH BREEZESFINE AND CLOUDY0000000234452
1792-06-26T13:0058.92-14.38171W169.00-32SW, SSWSTIFF GALES AND SQUALLY, LESS WINDRAINCLEAR THEN HAZY0100000234453
1792-06-27T13:0059.72-16.6223822.6N55W84.00-32SWBW, WBS, WFRESH GALES, STRONG GALES AND SQUALLYCLEAR THEN CLOUDY0000000234454
1792-06-28T13:0059.63-16.5224922.6N16E13.00-32W, WBS, WNW, WBNSTRONG GALES, SQUALLY, STIFF GALESRAINCLOUDY0100000234455
1792-06-29T13:0057.95-17.30328N13W106.00-32WNW, NWBW, NNW, NMODERATE, STIFF BREEZESRAINCLOUDY THEN CLEAR0100000234456
1792-06-30T13:0056.20-19.20274S31W120.00-30NBW, NWBN, NW, NWBWSTIFF BREEZE, SQUALLYCLEAR THEN CLOUDY0010000234457
1792-07-01T13:0054.73-21.43285S41W117.00-30NWBN, NBW, NNW, NWFRESH BREEZES, SQUALLYRAINCLOUDY, CLEARING0100000234458
1792-07-02T13:0056.22-21.3220619.0N3E89.00-30NW, NWBN, WNW, SW, SWBWMODERATE, FRESH GALESCLOUDY0010000234459
1792-07-03T14:0057.22-23.18262N32W114.00-31W, WSW, WNWFRESH BREEZES, FRESH GALES, STIFF BREEZESCLOSECLEAR0010000234460
1792-07-04T14:0056.40-25.35262S63W81.00-31VARIABLE, NBE, NBW, NNW, NWBN, WNWSTIFF BREEZES, SQUALLY, LESS WINDCLEAR THEN CLOUDY0010000234461
1792-07-05T14:0057.42-25.97273N19W67.00-31WBN, WBS, NWBWLIGHT BREEZES, LIGHT AIRS, STIFF BREEZES, LESS WINDPLEASANT, CLEARING, CLOUDY0010000234462
1792-07-06T14:0058.28-27.90642.6N50W80.00-37WNW, WBN, SW, EBSSTIFF BREEZES, LITTLE WINDDARKTHICK RAINCLEAR, CLOUDY0100000234463
1792-07-07T14:0056.85-31.103179.3S50W133.00-32ENE, NBE, NBW, NNW, NWBN, NBWSTIFF GALES, FRESH BREEZESRAIN0100000234464
1792-07-08T14:0057.08-31.90283N45W37.00-32NBW, NNW, NWSTIFF GALES AND SQUALLY, LESS WINDRAINCLOUDY0100000234465
1792-07-09T14:0056.45-32.852606.7S42W46.00-33NNW, NBW, NWBN, NWBW, WNWFRESH BREEZES, SQUALLY, MODERATERAINCLOUDY, CLEARING0100000234466
1792-07-10T14:0057.32-36.6819222.6N63W141.00-33WBN, WBS, VARIABLE, SSW, SWFRESH BREEZES, STIFF GALESRAINCLOUDY, CLEARING0110000234467
1792-07-11T15:0057.28-39.4031619.0N89W89.00-33S, E, NE, N, NBWFRESH BREEZES, LITTLE WIND, CALM, FRESH GALESTHICK FOGCLEAR0010000234468
1792-07-12T15:0055.40-40.5030522.6S18W120.00-33NWBN, NNWSTIFF GALES, SQUALLY, STRONG GALESCLEAR THEN CLOUDY0000000234469
1792-07-13T15:0055.18-42.803609.3S83W80.00-34NBW, NBE, N, NNE, NE, NEBNSTRONG GALES AND SQUALLY, FRESH BREEZESRAIN0110000234470
1792-07-14T15:0055.13-44.252701.0N81W51.00-34NE, NEBN, NNE, NBE, NWBWFRESH GALES, LESS WIND, ALMOST CALM, CALM, LIGHT AIRS0010000234471
1792-07-15T15:0056.40-46.322259.3N42W103.00-34WBN, W, WBSLIGHT BREEZES, FRESH BREEZESFINE0010000234472
1792-07-16T15:0056.77-48.223046.7N51W89.00-34WSW, WBS, SW, VARIABLE, NNWLIGHT AIRS, MODERATETHICK FOG0010000234473
1792-07-17T15:0056.95-48.951350.0N67W27.00-34NWBN, E, N, NBE, SBEMODERATE, ALMOST CALM, LIGHT BREEZES, CALMA GREAT SWELL FROM THE EAST0010000234474
1792-07-18T15:0058.07-50.851269.3N44W90.00-43SBELIGHT BREEZES, FRESH BREEZES, CLEARINGTHICK FOG0010000234475
1792-07-19T16:0059.35-53.471266.7N43W120.00-43SBEMODERATEFINE THEN CLEAR0010000234476
1792-07-20T16:0060.07-56.90702.6N68W113.00-43SSE, SE, E, ESEFRESH BREEZES, LITTLE WINDDARKCLOUDY0010000234477
1792-07-21T16:0060.48-59.00706.7N69W68.00-43E, ESELIGHT BREEZES, MODERATEDARKCLEAR0010000234478
1792-07-22T16:0060.70-61.633629.3N84W80.00-43EBS, ENE, NNE, VARIABLEMODERATE, LITTLE WIND, FRESH BREEZESCLOUDY0010000234479
1792-07-23T16:0061.03-62.832849.3N57W42.006PM SEVERAL ISLES OF ICE IN SIGHT, 11AM SEVERAL ISLES OF ICE IN SIGHT. 3.5-42NE, NEBN, NNE, NBW, NNW, NWBNSTRONGLIGHT BREEZES, FRESH BREEZESTHICK FOGCLOUDY, CLEAR AND FINE0010001234480
1792-07-24T16:0061.60-64.152849.3RESOLUTIONNW7N54W48.002PM SEVERAL ISLES OF ICE IN SIGHT. 3.5-42NW, WNW, NWBNFRESH BREEZESFINE AND HAZY0000001234481