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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 DREADNOUGHT cruise from Florida Keys to The Downs started at 1760-07-05 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.748679, 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: 39.557200 * Median Longitude: -45.290400 * South-bound Latitude: 24.550000 * West-bound Longitude: -77.550000 * North-bound Latitude: 50.000000 * East-bound Longitude: 0.720000
Date/Time Start: 1760-07-05T17:00:00 * Date/Time End: 1760-08-23T12:00:00
Event(s):
Dreadnought_17600705_NMM_ADM/L/D229 * Latitude Start: 24.550000 * Longitude Start: -77.550000 * Latitude End: 47.720000 * Longitude End: -5.280000 * Date/Time Start: 1760-07-05T00:00:00 * Date/Time End: 1760-08-23T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Dreadnought (3rd Rate Frigate), Voyage: Florida Keys - Downs (England), 1st Observer: Maurice Suckling (Captain), 2nd Observer: John Greenfield (1st Officer/Master), Company: Royal Navy, Other ship information: 60 GUNS. 1068 BM
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 CommentCommentOther remarks, that were not possible to put in the other remark fields
13 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.
14 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.
15 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
16 Current speed descriptionV descr
17 Wind force descriptionWind force descrAll reported wind forces on this day
18 Present weatherwwWeather description
19 Precipitation descriptionPrecip descr
20 State of the sea descriptionState sea descr
21 ClearnessClearness
22 GustsGusts1 If wind gusts are reported
23 Precipitation/RainRain1 If rain was reported
24 FogFog1 If fog was reported
25 Snow typeSnow1 If snow was reported
26 ThunderThunder1 If thunder and or lightning was reported
27 HailHail1 If hail was reported
28 Sea iceSea ice1 If sea-ice or icebergs were reported
29 CommentComment
30 IdentificationIDCLIWOC 2.1 line number
Size:
966 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 
Comment
(Other remarks, that were not ...)
13 
Decl [deg]
(It is generally accepted by t...)
14 
Wind dir descr
(All reported wind directions ...)
15 
Cur dir descr
(Direction of the current. Thi...)
16 
V descr
17 
Wind force descr
(All reported wind forces on t...)
18 
ww
(Weather description)
19 
Precip descr
20 
State sea descr
21 
Clearness
22 
Gusts
(1 If wind gusts are reported)
23 
Rain
(1 If rain was reported)
24 
Fog
(1 If fog was reported)
25 
Snow
(1 If snow was reported)
26 
Thunder
(1 If thunder and or lightning...)
27 
Hail
(1 If hail was reported)
28 
Sea ice
(1 If sea-ice or icebergs were...)
29 
Comment
30 
ID
(CLIWOC 2.1 line number)
1760-07-05T17:0024.55-77.552306.7SALT KEYS26:00E31N26:00W35.005SBE, ENE, SWMODERATEHAZY WEATHER000000060853
1760-07-06T17:0026.57-77.551856.7SALT KEYS6:00E52N121.005SSW, WNW, VARIABLE, SFIRST AND LATTER PARTS MODERATE, MIDDLE SQUALLYMIDDLE HARD SHOWERS OF RAINFIRST PART FAIR, LATTER HAZY WEATHER110000060854
1760-07-07T17:0029.00-76.952279.3SALT KEYS03:00W107N11:00E164.002WSW, SWFRESH BREEZESHAZY WEATHER0000000a trivial correction was made in this observation60855
1760-07-08T17:0030.72-74.58227SALT KEYS14:36W140N125.002SWBW, NW, SWFIRST PART FRESH BREEZES, MIDDLE AND LATTER SQUALLY WEATHERMIDDLE AND LATTER HEAVY RAINFIRST PART HAZY WEATHER0100000a trivial correction was made in this observation60856
1760-07-09T17:0030.83-73.4025019.0SALT KEYS26:33W154E1/2N (CORRECTE80.00FOUND AN ERROR IN MY RECKONING BY ALLOWING FOR A CURRENT WHICH I HAVE SET RIGHT IN THIS DAYS WORK2SWBW, SSW, WSWFRESH GALES AND SQUALLYTHUNDER AND LIGHTNINGHEAVY RAIN010010060857
1760-07-10T17:0031.52-71.48159SALT KEYS34:12W183ENE106.001SW, SBW, SSEFIRST PART FRESH GALES, MIDDLE AND LATTER HARD SQUALLSMIDDLE AND LATTER HEAVY RAINFIRST PART HAZY010000060858
1760-07-11T17:0031.98-69.901369.3SALT KEYS39:07W207N71:00E86.001SSE, SEFRESH BREEZESCLOUDY WEATHER000000060859
1760-07-12T17:0032.87-69.16996.7SALT KEYS38:41W228N35:00E65.00-2SE, SEBE, ESE, EBSMODERATEHAZY WEATHER000000060860
1760-07-13T17:0033.67-68.511336.7SALT KEYS37:48W245N34:00E58.00-2ESE, SEMODERATEHAZY WEATHER000000060861
1760-07-14T17:0034.00-67.851446.7SALT KEYS39:24W260N59:00E39.00-2SE, SEBSMODERATEHAZY WEATHER000000060862
1760-07-15T16:0034.40-66.932106.7SALT KEYS40:51W276NEBE1/2E52.00-4SBW, SWBSMODERATEHAZY WEATHER000000060863
1760-07-16T16:0034.52-66.232556.7SALT KEYS42:21W285EBN36.00-4SWBS, S, W, WBSMODERATEHAZY WEATHER000000060864
1760-07-17T16:0034.65-65.853626.7SALT KEYS42:57W292ENE21.00-4VARIABLEMODERATEHAZY WEATHER000000060865
1760-07-18T16:0034.80-64.7564SALT KEYS45:09W307N80:00E55.00-4NW-ENEFIRST AND MIDLE PARTS MODERATE, LATTER SQUALLYLATTER RAINFIRST AND MIDDLE FAIR010000060866
1760-07-19T16:0034.63-64.083621.0SALT KEYS47:08W314EBS1/2S35.00-4VARIABLELIGHT AIRSCLOUDY WEATHER000000060867
1760-07-20T16:0035.50-62.732779.3SALT KEYS47:39W342N52:00E84.00-4WBS, W, WBNFRESH BREEZESCLOUDY WEATHER000000060868
1760-07-21T16:0035.77-61.013336.7SALT KEYS50:00W367N79:00E85.00-5W, NW, NNWFIRST AND LATTER PARTS MODERATE, MIDDLE SQUALLY WEATHERMIDDLE THUNDER AND LIGHTNINGMIDDLE RAINFIRST AND LATTER PARTS CLOUDY WEATHER010010060869
1760-07-22T16:0035.72-60.953610.0SALT KEYS50:15W367S68:00E7.00-5W, WNW, CALMSEBFIRST PART LIGHT AIRS, MIDDLE AND LATTER CALM000000060870
1760-07-23T16:0036.50-59.982549.3SALT KEYS49:56W389NE67.00-5WNW, WBSFIRST PART CALM, MIDDLE MODERATE, LATTER FRESH BREEZESMIDDLE FAIR, LATTER CLOUDY000000060871
1760-07-24T16:0036.90-57.6322019.0SALT KEYS52:33W425N78:00E115.00-5WSW, SWFRESH GALESCLOUDY WEATHER000000060872
1760-07-25T16:0037.63-54.6122619.0SALT KEYS54:50W474EBN1/2N151.00-10WSW, SW, SWBWFRESH GALES AND SQUALLYRAINCLOUDY WEATHER010000060873
1760-07-26T15:0037.93-51.5021419.0SALT KEYS57:37W521N83:00E147.00-11WSW, SWFRESH GALES AND SQUALLYRAINHAZY WEATHER010000060874
1760-07-27T15:0038.43-48.7322519.0SALT KEYS59:17W566N77:00E134.00-11WSW, SW, SWBWFRESH GALES AND SQUALLYRAINHAZY WEATHER010000060875
1760-07-28T15:0038.78-46.952146.7SALT KEYS60:07W595N76:00E86.00-11WSW, SWMODERATEHAZY WEATHER000000060876
1760-07-29T15:0039.08-46.552146.7SALT KEYS59:53W604N55:00E30.00-11WSW, SWBW, SWMODERATECLOUDY WEATHER000000060877
1760-07-30T15:0039.27-45.951472.6SALT KEYS60:02W613N68:00E30.00-11WSW, SEBE, SSELITTLE WINDFAIR WEATHER000000060878
1760-07-31T15:0039.15-45.481022.6SALT KEYS60:32W617S69:00E19.00-11EBS, SEBE, S, ESENW0.75LITTLE WINDS INCLINABLE TO CALM000000060879
1760-08-01T15:0039.17-45.31902.6SALT KEYS60:43W621N85:00E12.00-11ESE, E, EBN, EBSLITTLE WINDS INCLINABLE TO CALM000000060880
1760-08-02T15:0039.52-45.233622.6SALT KEYS60:12W626NBE21.00-11VARIABLELITTLE WINDS INCLINABLE TO CALM000000060881
1760-08-03T15:0040.18-43.6032719.0SALT KEYS60:15W654NEBE1/2E85.00-11WSW, NW, NNWFIRST PART LITTLE WIND, MIDDLE AND LATTER FRESH GALESFIRST PART FAIR, MIDDLE AND LATTER CLOUDY WEATHER000000060882
1760-08-04T15:0041.12-42.103596.7SALT KEYS59:47W628NE1/2E88.00-12NNW, N, NBEFIRST PART FRESH BREEZES, MIDDLE AND LATTER MODERATEFIRST PART HAZY, MIDDLE AND LATTER CLOUDY000000060883
1760-08-05T15:0041.72-39.3331419.0SALT KEYS60:43W726N74:0E131.00-12NW, NNW, NWBNFIRST PART MODERATE, MIDDLE AND LATTER FRESH GALESFIRST PART CLOUDY, MIDDLE AND LATTER FAIR WEATHER000000060884
1760-08-06T14:0042.07-36.8633619.0SALT KEYS61:42W763N79:0E112.00-13NNW, N, NBWFRESH GALESCLOUDY WEATHER000000060885
1760-08-07T14:0042.23-35.502806.7SALT KEYS62:15W784N81:00E62.00-13NNW, NBW, WNWFRESH GALES, THE LATTER MODERATECLOUDY WEATHER000000060886
1760-08-08T14:0042.90-33.352096.7SALT KEYS62:29W819N67:00E104.00-16WSW, SWFIRST AND MIDDLE PARTS FRESH GALES, LATTER MODERATEFIRST AND MIDDLE AND LATTER PARTS CLOUDY WEATHER000000060887
1760-08-09T14:0043.97-31.0018719.0SALT KEYS62:15W856N58:00E121.00-16SW, SSWFRESH GALESHAZY WEATHER000000060888
1760-08-10T14:0045.05-27.6018719.0SALT KEYS62:30W913N66:00E168.00-16SSWFRESH GALESCLOUDY WEATHER000000060889
1760-08-11T14:0046.13-24.5620819.0LIZARDN75:21E306N63:00E144.00-17SWFRESH GALESCLOUDY WEATHER000000060890
1760-08-12T13:0046.62-22.50231LIZARDN75:43E275N71:00E90.00-17SWBW, SW, WSWFIRST PART FRESH GALESMIDDLE AND LATTER FOGGYMIDDLE AND LATTER DRIZZLING RAINFIRST PART HAZY WEATHER011000060891
1760-08-13T13:0046.88-21.851291.0LIZARDN76:20E264N59:00E31.00-17WBS, SEBE, SSE, SEBSLIGHT AIRSTHICK FOGGY WEATHER001000060892
1760-08-14T13:0047.73-20.861389.3LIZARDN79:34E246N38:00E65.00-20SE, SEBE, SEBS, SSEFIRST AND MIDDLE PARTS MODERATE, LATTER FRESH BREEZESFIRST AND MIDDLE HAZY, LATTER CLOUDY000000060893
1760-08-15T13:0048.22-19.461606.7LIZARDN80:54E226N63:00E63.00-20SEBS, SSE, SBE, SFIRST AND MIDDLE PARTS FRESH BREEZES, LATTER MODERATECLOUDY000000060894
1760-08-16T13:0048.78-18.151386.7LIZARDN83:11E205N57:00E62.00-20SSE, SEBS, SE, SSEFIRST AND MIDDLE PARTS FRESH BREEZES, LATTER MODERATECLOUDY WEATHER000000060895
1760-08-17T13:0049.43-17.431046.7LIZARDN86:40E195N36:00E48.00-20SE, SEBEMODERATECLOUDY WEATHER000000060896
1760-08-18T13:0049.43-15.0020519.0LIZARDN86:02E164E96.00-20SBW, SSW, S, SWMODERATE, MID AND LATTER FRESH GALES AND SQUALLYRAINCLOUDY WEATHER010000060897
1760-08-19T13:0049.33-11.6029619.0LIZARDN82:24E119S87:00E134.00-19SW-NWFRESH GALESCLOUDY WEATHER000000060898
1760-08-20T13:0049.33-9.162299.3LIZARDN81:18E88E96.00-19NW, W, WSWFIRST AND MIDDLE PARTS MODERATE, LATTER FRESH BREEZESGREAT SWELL FROM THE WESTWARDCLOUDY WEATHER000000060899
1760-08-21T12:0049.33-5.6027419.0LIZARDN71:45E43E140.00-19SWBS, SW, WNWTHESE 24 HOURS FRESH GALES WITH HARD SQUALLS OF WINDTHESE 24 HOURS HARD SQUALLS OF RAINTHESE 24 HOURS HAZY WEATHER110000060900
1760-08-22T12:0049.35-2.3518519.0LIZARDN09:18W131E128.00-18WSW, SSWTHESE 24 HOURS FRESH GALES WITH HARD SQUALLS OF WINDTHESE 24 HOURS HARD SQUALLS OF RAINTHESE 24 HOURS HAZY WEATHER110000060901
1760-08-23T12:0050.000.722306.7DUNNOSEN27:56E161N72:00E125.00-18WSWFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATEHAZY WEATHER000000060902