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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 York Factory to Gravesend started at 1788-09-30 [dataset]. Public Record Office, Kew, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752077, 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: 54.202333 * Median Longitude: -31.927333 * South-bound Latitude: 49.070000 * West-bound Longitude: -61.540000 * North-bound Latitude: 60.820000 * East-bound Longitude: -5.350000
Date/Time Start: 1788-09-30T16:00:00 * Date/Time End: 1788-10-29T12:00:00
Event(s):
Seahorse_17880930_PRO_BH1_1633 * Latitude Start: 61.320000 * Longitude Start: -64.020000 * Latitude End: 51.490000 * Longitude End: 1.170000 * Date/Time Start: 1788-09-30T00:00:00 * Date/Time End: 1788-10-29T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Seahorse, Voyage: York Factory - Gravesend, 1st Observer: Joshua Tunstall (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 Wind force descriptionWind force descrAll reported wind forces on this day
15 Present weatherwwWeather description
16 Precipitation descriptionPrecip 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 CommentComment
26 IdentificationIDCLIWOC 2.1 line number
Size:
515 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 
Wind force descr
(All reported wind forces on t...)
15 
ww
(Weather description)
16 
Precip 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 
Comment
26 
ID
(CLIWOC 2.1 line number)
1788-09-30T16:0060.82-61.54296NE BLUFF OF RESOLUTIONN116AM I DON?T REMEMBER EVER PASSING SO MANY ISLES OF ICE NEAR THE OPENING OF HUDSONS STRAITS. 39W-42NW, NWBN, NWBW, NNWMODERATE, MORE WINDSHOWERS OF HAILFINE1001011234321
1788-10-01T16:0060.47-60.71284S74E120.004PM PASSED A GREAT MANY ISLES OF ICE. 37W-42NW, NBW, NWBNFRESH GALE, LESS WIND, SQUALLYFINE0001001234322
1788-10-02T16:0059.83-57.042396.7S70E117.003PM PASSED 3 ISLES OF ICE, 6AM PASSED AN ISLE OF ICE. 36W-42NW, NWBW, WNW, WBNSTIFF GALE, MODERATEFINE0001001234323
1788-10-03T16:0059.53-54.4729622.6S78E80.00-42WNW, NW, NNE, N, NNWLIGHT WIND, LIGHT AIRS, STIFF GALESHOWERS OF SNOWFINE THEN CLOUDY1001000234324
1788-10-04T15:0058.53-50.072856.7S67E148.00-41NNW, NBE, N, NWBNSTIFF GALE, SQUALLY, MODERATEHAILCLOUDY THEN FINE0000010234325
1788-10-05T15:0058.72-48.1116222.6EBN61.00-41NWBN, NWBW, S, SBW, SSWMODERATE, SQUALLY, STIFF GALERAINFINE THEN CLOUDY0100000234326
1788-10-06T15:0058.12-48.361396.7S13W35.00-41SWBS, SBE, SFRESH GALES, STIFF GALE, STRONG GALE, MORE MODERATETHICKRAINY0100000234327
1788-10-07T15:0057.98-48.291622.6S34E4.00-41S, SBE, SSE, VARIABLE, SSWSTIFF GALE, LESS WIND, LITTLE WINDCLOSERAINCLOUDY0100000234328
1788-10-08T15:0057.43-45.042830.0S73E109.00-32VARIABLE, NNW, NWLITTLE WIND, STIFF GALE, CALMCLOUDY0000000234329
1788-10-09T15:0056.72-40.99283S71E140.00-32SWBW, SW, WSW, WBS, WBN, NWSTIFF GALE AND SQUALLY, LESS WINDTHICKRAINCLEAR AND FINE0100000234330
1788-10-10T15:0055.53-40.12114SSE76.00-32WBN, VARIABLE, NNE, EBN, E, SEBSFINE GALE, STIFF GALE, LESS WINDTHICKRAINCLEAR0100000234331
1788-10-11T15:0055.43-40.911596.7S76W27.00-32SSE, SBE, SBWSTIFF GALE, MORE MODERATETHICK RAINY0100000234332
1788-10-12T15:0055.93-39.121262.6N64E68.00-32S, SBW, SBE, SSESTIFF GALE, LESS WIND, LIGHT WINDTHICK WET FOGRAINY0110000234333
1788-10-13T15:0055.77-38.46362.6ESE24.00-32SEBS, ENELIGHT WIND, LIGHT AIRS, CALM, LIGHT BREEZECLOSE AND THICK AND THINSCLEAR0000000234334
1788-10-14T14:0054.90-35.79142.6S59E106.00-31NEBE, NELIGHT WINDSCONTINUOUS THICK AND THINSFINE0010000234335
1788-10-15T14:0053.87-32.695919.0S53E137.00-31NEBE, ENE, EFRESH GALESTHICK AND CLOSESMALL RAIN AND SHOWERS1100000234336
1788-10-16T14:0052.70-30.661150.0S34E67.00-31EBN, ENE, E, ESE, SE, SEBSSTIFF GALE, SQUALLY, LITTLE WIND, CALMTHICK AND DARKRAIN0100000234337
1788-10-17T14:0052.15-27.7623319.0S71E112.00-26NW, VARIABLE, WBSLIGHT WINDS, MORE MODERATE, FRESH GALECLOSERAINCLEARING THEN CLOUDY0110000234338
1788-10-18T14:0052.18-24.4215422.6N89E123.00-26SBW, SWBW, SWBS, SSW, SFRESH GALES, STIFF GALESCLOSECLOUDY THEN FINE0000000234339
1788-10-19T13:0052.17-21.742116.7E98.00-26S, SBW, SW, WSW, SWBWSTIFF GALE, STRONG GALE, MODERATERAINCLOUDY, CLEAR AND FINE0100000234340
1788-10-20T13:0051.15-18.9418922.6S60E121.00-26SW, WNW, WBS, WSW, SWBW, SWBSFRESH GALE, MORE WIND, HEAVY SQUALLS, HEAVY GALE, MORE MODERATE, STIFF GALESOME RAINCLEAR AND FINE, THEN CLOUDY0100000234341
1788-10-21T13:0049.97-15.57200S61E147.0024 W-25SWBW, WSW, WBS, SWSTIFF GALES, LESS WINDTHICK AND CLOSEFINE0000000234342
1788-10-22T13:0049.77-13.411336.7S86E84.00CLOSE. 24W-25SWBS, SSW, SBW, SBE, SSEMODERATEFINE0000000234343
1788-10-23T13:0049.87-12.77651.0N76E25.00CLOSE. 23W-25S, EBN, ELIGHT WIND, CALM, LIGHT AIRSRAINFINE0100000234344
1788-10-24T13:0049.40-11.12219.3S64E72.00-24EBS, SE, EBN, NE, NEBE, NELIGHT AIRS, LIGHT WINDS, STIFF BREEZE, FINE GALERAINCLOUDY THEN FINE AND PLEASANT0100000a trivial correction was made in this observation234345
1788-10-25T13:0049.07-9.3744S75E71.00CLOSE. 22W-24NE, EBN, ENEMODERATE, FRESH BREEZE, LESS WINDFINE0000000234346
1788-10-26T13:0049.47-8.99770.0N38E24.00-24ENE, EBSFRESH BREEZE, CALMCLOUDY THEN FINE0000000a trivial correction was made in this observation234347
1788-10-27T13:0049.33-8.37216.7E1/2S24.00-24E, EBN, VARIABLE, EBS, NEMODERATEFINE THEN VERY FINE0000000234348
1788-10-28T13:0049.53-7.64771.0N61E32.00-24ENE, SE, EBSLIGHT WINDS, CALMS, MODERATE, LIGHT AIRSFINE0000000a trivial correction was made in this observation234349
1788-10-29T12:0049.73-5.3510119.0LANDNE5S77E37.00-23E, ESE, SEBEFRESH BREEZES, FRESH GALEDARKSHOWERYFINE1000000a trivial correction was made in this observation234350