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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 EGMONT cruise from Port Royal to Leith started at 1781-04-03 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.748808, 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: 43.409600 * Median Longitude: -37.179600 * South-bound Latitude: 22.220000 * West-bound Longitude: -71.870000 * North-bound Latitude: 60.850000 * East-bound Longitude: -4.430000
Date/Time Start: 1781-04-03T17:00:00 * Date/Time End: 1781-06-16T12:00:00
Event(s):
Egmont_17810403_NMM_ADM/L/E57 * Latitude Start: 17.870000 * Longitude Start: -76.830000 * Latitude End: 60.050000 * Longitude End: -4.430000 * Date/Time Start: 1781-04-03T00:00:00 * Date/Time End: 1781-06-16T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Egmont (3rd Rate Frigate), Voyage: Port Royal - Leith, 1st Observer: Robert Fanshaw (Captain), 2nd Observer: William Abbot (1st Officer/Master), Company: Royal Navy, Other ship information: 74G 1607BM
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 State of the sea descriptionState sea descr
18 ClearnessClearness
19 GustsGusts1 If wind gusts are reported
20 Precipitation/RainRain1 If rain was reported
21 FogFog1 If fog was reported
22 Snow typeSnow1 If snow was reported
23 ThunderThunder1 If thunder and or lightning was reported
24 HailHail1 If hail was reported
25 Sea iceSea ice1 If sea-ice or icebergs were reported
26 CommentComment
27 IdentificationIDCLIWOC 2.1 line number
Size:
1436 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 
State sea descr
18 
Clearness
19 
Gusts
(1 If wind gusts are reported)
20 
Rain
(1 If rain was reported)
21 
Fog
(1 If fog was reported)
22 
Snow
(1 If snow was reported)
23 
Thunder
(1 If thunder and or lightning...)
24 
Hail
(1 If hail was reported)
25 
Sea ice
(1 If sea-ice or icebergs were...)
26 
Comment
27 
ID
(CLIWOC 2.1 line number)
1781-04-03T17:0022.22-71.872756.7CORMAISS32E1132E32.005SW, WFIRST PART FRESH BREEZES AND SQUALLY, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER FAIR000000067998
1781-04-04T17:0022.25-71.533611.5CORMAISS52:39E14EBN18.005NNW, CALMMOST PART LIGHT BREEZES INCLINABLE TO CALMSA GREAT SWELL FROM THE NW000000067999
1781-04-05T17:0022.97-71.87711.5CORMAISS19:57E18N3831.003NE, ENEMOST PART LIGHT BREEZES INCLINABLE TO CALMS000000068000
1781-04-06T17:0023.63-71.22931.5CORMAISS15:3E38N1064.003EBN, EMOST PART LIGHT BREEZES INCLINABLE TO CALMS000000068001
1781-04-07T17:0024.40-71.25711.5CORMAISS8:6E559W48.003EBN, ENEMOST PART LIGHT BREEZES INCLINABLE TO CALMS000000068002
1781-04-08T17:0025.62-70.35716.7CORMAISN30E6723E47.003EBN, ENEMODERATEFAIR000000068003
1781-04-09T17:0025.62-70.3026BERMUDAN27:30E150N5347.003SSW, NNEFIRST AND MIDDLE PARTS MODERATE, LATTER SQUALLYFIRST AND MIDDLE FAIR000000068004
1781-04-10T17:0026.23-70.37591.5BERMUDAN24:25E141NBW1/2W36.003VARIABLE, NEBELIGHT BREEZES INCLINABLE TO CALMS000000068005
1781-04-11T17:0027.02-69.351832.6BERMUDAN29:17E1204870.003ESE, SLIGHT BREEZESFAIR WEATHER0000000a trivial correction was made in this observation68006
1781-04-12T17:0027.80-68.001926.7BERMUDAN16:36E96N57E86.001SW, SBWMODERATEFAIR000000068007
1781-04-13T16:0028.32-66.23280BERMUDAN29:40E825698.00-1SW, WBNFIRST AND MIDDLE PARTS FRESH BREEZES, LATTER HARD SQUALLSLATTER THUNDERLATTER RAINFIRST AND MIDDLE HAZY WEATHER010010068008
1781-04-14T16:0029.37-64.502929.3BERMUDAN3:48E70N56108.00-1WNWFRESH BREEZES AND SQUALLY000000068009
1781-04-15T16:0030.07-62.873259.3BERMUDAN53:15W76N62E95.00-1NWBNFRESH BREEZESGREAT SWELL FROM THE NWCLOUDY000000068010
1781-04-16T16:0030.80-61.622126.7BERMUDAN69:41W935379.00-2WNW, SWBSMODERATE BREEZESGREAT SWELL FROM THE NWFAIR WEATHER000000068011
1781-04-17T16:0031.88-60.2826819.0BERMUDAN84:12W1054898.00-2WFRESH GALESFAIR WEATHER000000068012
1781-04-18T16:0032.90-58.6532019.0BERMUDAN85:42W133NE3/4E106.00-6NWBNFRESH GALESFAIR WEATHER000000068013
1781-04-19T16:0033.73-57.1033119.0BERMUDAS80:47W16457E93.00-7NW, NNWFRESH GALESCLOUDY000000068014
1781-04-20T16:0033.95-56.222076.7CORVON73:37E42171E43.00-7NWBN, SWBSFIRST PART FRESH GALES AND SQUALLY, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER FINE000000068015
1781-04-21T16:0035.15-54.702186.7CORVON75:53E390NE1/4E102.00-7SWFIRST PART LIGHT AIRS, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER FAIR000000068016
1781-04-22T16:0036.18-52.683319.3CORVON77:33E35058E120.00-7WSWFRESH BREEZESFIRST PART FAIR WEATHER, MIDDLE AND LATTER CLOUDY000000068017
1781-04-23T16:0036.37-52.502729.3LIZARDN68E7317135.00-9NNWFRESH BREEZESFIRST PART FAIR WEATHER, MIDDLE AND LATTER CLOUDY000000068018
1781-04-24T15:0036.60-50.45479.3LIZARDN77:7E7157876.00-9NNWFRESH BREEZESFIRST PART FAIR WEATHER, MIDDLE AND LATTER CLOUDY0000000a trivial correction was made in this observation68019
1781-04-25T15:0036.52-50.201269.3LIZARDN67:20E710ESE13.00-9NEBEFRESH BREEZESFIRST PART FAIR WEATHER, MIDDLE AND LATTER CLOUDY000000068020
1781-04-26T15:0037.25-49.971042.6LIZARDN68:43E69318E45.00-9NNELIGHT BREEZES AND SQUALLYRAIN010000068021
1781-04-27T15:0038.37-47.872129.3LIZARDN69:28E653NEBE120.00-13SBE, SWFIRST PART LIGHT BREEZES, MIDDLE AND LATTER FRESH BREEZESFIRST PART FAIR, MIDDLE AND LATTER CLOUDY000000068022
1781-04-28T15:0038.63-46.00316.7LIZARDN68:48E61978E90.00-14SWBW, NEFIRST PART FRESH GALES, MIDDLE AND LATTER MORE MODERATESMALL RAINTHICK CLOUDY WEATHER, MIDDLE AND LATTER FAIR010000068023
1781-04-29T15:0038.75-45.30659.3LIZARDN70:11E59378E34.00-14NEBN, EBN,FRESH BREEZESHAZY000000068024
1781-04-30T15:0039.58-45.303469.3LIZARDN69:36E566N50.00-14E, NFRESH BREEZESHAZY000000068025
1781-05-01T15:0040.15-43.473246.7LIZARDN70:11E566ENE91.00VARIATION BY AZIMUTH 11.50W-14NBW, NNW,MODERATE BREEZESFAIR WEATHER000000068026
1781-05-02T15:0040.68-42.623246.7LIZARDN70:47E55348E52.00-14NBW, NNW,MODERATE BREEZESFAIR WEATHER000000068027
1781-05-03T15:0041.28-41.053236.7LIZARDN71:7E5266280.00-15NBW, NNW,MOST PART MODERATEMOST PART HAZY WEATHER000000068028
1781-05-04T15:0041.33-40.903569.3LIZARDN70:40E522628.00-15SBW, NBEMOST PART FRESH BREEZESMOST PART RAIN010000068029
1781-05-05T15:0041.33-39.88539.3LIZARDN70:4E513E46.00-15ENEFRESH BREEZES AND SQUALLYSOME RAIN010000068030
1781-05-06T15:0040.70-40.03199.3LIZARDN32E523S10W39.00-15NEBNFRESH BREEZES AND SQUALLYSOME RAIN010000068031
1781-05-07T15:0040.60-38.52199.3LIZARDN68:29E4838569.00-15NEBNFRESH BREEZES AND SQUALLYSOME RAIN010000068032
1781-05-08T14:0040.78-37.13189.3LIZARDN68:1E483E10N62.00-16NNE, NEBNFRESH BREEZES AND SQUALLYSOME RAIN010000068033
1781-05-09T14:0041.15-36.87186.7LIZARDN68:37E475N30E26.00-16NNE, NEBNFIRST PART LIGHT BREEZES INCLINABLE TO CALM, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER CLOUDY000000068034
1781-05-10T14:0042.60-35.873616.7LIZARDN69:22E472N65.00-20EBN, CALMFIRST PART LIGHT BREEZES INCLINABLE TO CALM, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER CLOUDY000000068035
1781-05-11T14:0042.60-36.873616.7LIZARDN71:42E456N65.00-20EBN, CALMFIRST PART LIGHT BREEZES INCLINABLE TO CALM, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER CLOUDY000000068036
1781-05-12T14:0043.55-35.571716.7LIZARDN73:17E433NE80.00-20SSW, SBWMOST PART MODERATE BREEZESMOST PART CLOUDY000000068037
1781-05-13T14:0044.17-34.523406.7LIZARDN74:12E4165255.00-20NW, NFIRST PART FRESH BREEZES, MIDDLE AND LATTER MODERATEFIRST PART RAINFIRST PART CLOUDY010000068038
1781-05-14T14:0045.68-32.852166.7LIZARDN77:25E380NE3/4E106.00-20SWBS, SWBWMOST PART MODERATE1AM LIGHTNING1AM RAINMOST PART CLOUDY, AT 1 AM HAZY010010068039
1781-05-15T14:0046.53-31.92228LIZARDN83:57E357NE1/4E67.00-20WSWFIRST PART LIGHT BREEZESFISRT PART FAIR000000068040
1781-05-16T14:0048.07-30.0813415.4LIZARDN83:51E32738116.00-24S, SE, SSEMOST PART MODERATE MODERATE GALESMOST PART CLOUDY000000068041
1781-05-17T14:0049.25-28.351119.3LIZARDN87:46E299NE91.00-24SEBS, SEMOST PART FRESH BREEZESMOST PART CLOUDY000000068042
1781-05-18T14:0050.32-27.751119.3LIZARDN88:3E2842263.00-24SEBS, SEMOST PART FRESH BREEZESMOST PART CLOUDY000000068043
1781-05-19T14:0051.18-27.301111.0LIZARDN84:34E282NEBE3/4E51.00-24SSE, SELIGHT AIRSFAIR WEATHER000000068044
1781-05-20T14:0050.42-27.221001.0LIZARDN84:34E256S3E46.00-24ESE, SEBELIGHT AIRSFAIR WEATHER000000068045
1781-05-21T14:0051.08-25.321349.3LIZARDN84:24E256N61E82.00-24SSEFIRST AND MIDDLE MODERATE, LATTER PART FRESH BREEZESFIRST AND MIDDLE FAIR000000068046
1781-05-22T14:0051.60-23.381569.3LIZARDN81:19E240N66E79.00-24SBW, SMOST PART FRESH BREEZESMOST PART HAZY WEATHER000000068047
1781-05-23T13:0052.08-21.971459.3LIZARDN78:1E22461E60.00-24SBW, SBEMOST PART FRESH BREEZESMOST PART HAZY WEATHER000000068048
1781-05-24T14:0052.22-22.681459.3LIZARDN77:56E22860W17.00-24SBW, SBEFRESH BREEZESHAZY WEATHER000000068049
1781-05-25T14:0051.77-22.781679.3LIZARDN80:8E225SBW1/4W25.00-24SSW, SBWFRESH BREEZESCONSTANT RAINHAZY010000068050
1781-05-26T13:0051.43-21.272466.7LIZARDN81:21E209SEBE1/2E56.00-24WNW, WMOST PART MODERATE BREEZESMOST PART CLOUDY000000068051
1781-05-27T13:0051.23-20.12212.6LIZARDN82E192S69E46.00-24ESE, NELIGHT BREEZESCLOUDY WEATHER000000068052
1781-05-28T13:0051.18-17.681569.3LIZARDN82:3E85N82E16.00-24SBE, SFRESH BREEZESFAIR WEATHER000000068053
1781-05-29T13:0051.52-18.621679.3CAPE CLEARN87:27E9062E45.00-24S, SBW,FRESH BREEZESFAIR WEATHER000000068054
1781-05-30T13:0051.50-17.001909.3CAPE CLEARN86:50E72S37W67.00-24SSW, SWBSFRESH BREEZESFAIR WEATHER000000068055
1781-05-31T13:0051.87-17.081226.7ON OF THE SHETLAND ISLANDSN45:25E232S37W20.00-24SEBSMODERATEMIDDLE AND LATTER HAZY WEATHER000000068056
1781-06-01T13:0052.80-15.52982.6LEWIS ISLANDN45:30E153NEBN1/2N109.00-26SEBELIGHT BREEZESCLOUDY WEATHER000000068057
1781-06-02T13:0054.53-13.751322.6LEWIS ISLANDN45:30E113NEBN1/2N108.00-26SBW, SSELIGHT BREEZESSMALL RAINCLOUDY WEATHER010000068058
1781-06-03T13:0056.03-13.331092.6LEWIS ISLANDN56:34E92NBE79.00-26SBE, SELIGHT BREEZESSMALL RAINCLOUDY WEATHER010000068059
1781-06-04T13:0056.48-12.92872.6LEWIS ISLANDN64:10E77N19E49.00-26ESELIGHT BREEZESSMALL RAINCLOUDY WEATHER010000068060
1781-06-05T13:0057.48-12.081212.6ST KILDAN83:7E42NEBN49.00-25SEBSLIGHT BREEZESSMALL RAINCLOUDY WEATHER010000068061
1781-06-06T13:0058.78-12.87612.6ST KILDAS66E56N17W81.00-29ESE, ELIGHT BREEZESSMALL RAINCLOUDY WEATHER010000068062
1781-06-07T13:0059.17-13.22392.6ST KILDAS60E56N23W25.00-29ENELIGHT BREEZESSMALL RAINCLOUDY WEATHER010000068063
1781-06-08T13:0059.25-11.083566.7SOUTH END OF SHETLANDN79:57E94N86E67.00-27ENE, NNEMODERATESMALL RAINHAZY WEATHER010000068064
1781-06-09T13:0059.23-9.753569.3SOUTH END OF SHETLANDN77:2E81E40.00-27ENE, NNEFRESH BREEZESCLOUDY WEATHER000000068065
1781-06-10T13:0059.22-9.923561.0SOUTH END OF SHETLANDN77:2E81S79E5.00-27ENE, NNEMOST PART LIGHT AIRSMOST PART CLOUDY000000068066
1781-06-11T13:0059.30-9.751311.0SOUTH END OF SHETLANDN79:3E66NEBN8.00-27EBN, SSEMOST PART LIGHT AIRSMOST PART CLOUDY000000068067
1781-06-12T13:0059.48-8.27521.0SOUTH END OF SHETLANDN78:32E66N74E48.00-27EBNLIGHT AIRSCLOUDY000000068068
1781-06-13T12:0060.72-6.031101.0SOUTH END OF SHETLANDS89E43N66E67.00-25S, SELIGHT AIRSCLOUDY000000068069
1781-06-14T12:0060.32-5.431449.3SOUTH END OF SHETLANDS76E36N3532.00-25SBEFRESH BREEZESHAZY WEATHER000000068070
1781-06-15T12:0060.85-4.901339.3SOUTH END OF SHETLANDS74E33NBE16.00-25SSEFRESH BREEZESHAZY WEATHER000000068071
1781-06-16T12:0060.05-4.43886.7SOUTH END OF SHETLANDE25NEBE1/2E30.00-25ESEMODERATEHAZY WEATHER000000068072