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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 SYREN cruise from Charlestown to Portsmouth started at 1756-06-09 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.746847, 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: 44.544231 * Median Longitude: -37.875769 * South-bound Latitude: 39.550000 * West-bound Longitude: -71.390000 * North-bound Latitude: 50.050000 * East-bound Longitude: -4.420000
Date/Time Start: 1756-06-09T17:00:00 * Date/Time End: 1756-07-04T12:00:00
Event(s):
Syren_17560609_NMM_ADM/L/S619 * Latitude Start: 31.830000 * Longitude Start: -77.920000 * Latitude End: 50.750000 * Longitude End: -0.980000 * Date/Time Start: 1756-06-09T00:00:00 * Date/Time End: 1756-07-04T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Syren, Voyage: Charlestown - Portsmouth, 1st Observer: William Allen (Lieutenant), Company: Royal Navy
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 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 IdentificationIDCLIWOC 2.1 line number
Size:
498 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 
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 
ID
(CLIWOC 2.1 line number)
1756-06-09T17:0040.30-71.391841.0BLOCK ISLANDN7W19S7E58.00-7W-SBWTHE FIRST AND MIDDLE PARTS MODERATE, THE LATTER LIGHT AIRSFIRST AND MIDDLE CLOUDY, LATTER HAZY0000000249974
1756-06-10T17:0040.10-70.543621.0BLOCK ISLANDN33:4W28S73E41.00-7VARIABLELIGHT AIRSHAZY0000000249975
1756-06-11T17:0039.73-69.142182.6BLOCK ISLANDN50:35W49S71E68.00-7W, WSW, SWLITTLE WINDHAZY0000000249976
1756-06-12T16:0039.55-66.841956.7BLOCK ISLANDN64:25W79S84E108.00-8SWBW, W, SSWMODERATEHAZY0000000249977
1756-06-13T16:0039.73-64.741616.7BLOCK ISLANDN73:34W109N84E98.00-8SWBW-SBEMODERATEHAZY0000000249978
1756-06-14T16:0040.57-61.9019419.0BLOCK ISLANDN84:35W148N69E140.00-9SBE, SSE, SSWFRESH GALES WITH HARD SQUALLS OF WINDLIGHTNINGHARD OF SQUALLS OF RAIN1100100249979
1756-06-15T16:0040.48-58.4419419.0BLOCK ISLANDN85:30W200S88E159.00-9SWBW, SSWFRESH GALES WITH HARD SQUALLS OF WINDLIGHTNINGHARD OF SQUALLS OF RAIN1100100249980
1756-06-16T16:0040.48-54.572716.7BLOCK ISLANDN86:32W259E178.00-10SBE, SBW, SW, WBNFIRST AND MIDDLE PARTS FRESH GALES AND SQUALLY, THE LATTER MODERATELATTER PART CLOUDY0000000249981
1756-06-17T15:0040.68-52.17259BLOCK ISLANDN86:32W289N84E112.00-11WNW, WFIRST PART MODERATEFIRST PART CLOUDY, MIDDLE AND LATTER FAIR0000000249982
1756-06-18T15:0041.42-49.872256.7BLOCK ISLANDS89:28W322N67E112.00-11W, SWBWMODERATECLOUDY0000000249983
1756-06-19T15:0042.37-47.072146.7BLOCK ISLANDS86:52W364N66E136.00-11WSW-SWMODERATECLOUDY0000000249984
1756-06-20T15:0043.72-42.8218719.0BLOCK ISLANDS83:25W413N66E204.00-16SWBW, SSWFRESH GALES AND SQUALLYRAIN0100000249985
1756-06-21T15:0044.38-39.822216.7BLOCK ISLANDS82:23W471N73E134.00-15NW-SWBWFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATEFIRST PART HAZY, MIDDLE AND LATTER CLOUDY0000000249986
1756-06-22T14:0045.02-35.9727819.0BLOCK ISLANDS81:45W525N77E171.00-15NW, WNWFRESH GALESLATTER PART FOGGYLATTER RAINHAZY0110000249987
1756-06-23T14:0045.43-32.242886.7BLOCK ISLANDS81:43W578N81E159.00-16NW, WNW, NWBWFIRST PART FRESH GALES, THE MIDDLE AND LATTER MODERATEMIDDLE AND LATTER SOME RAINFIRST PART HAZY0100000249988
1756-06-24T14:0046.02-27.6933319.0BLOCK ISLANDS81:30W642N80E195.00-16WNW, NBWFRESH GALES AND SQUALLY0000000249989
1756-06-25T14:0046.82-25.05130BLOCK ISLANDS80:34W677N66E120.00-16NW, W, SEBSVARIABLE WINDSVARIABLE WEATHER0000000249990
1756-06-26T14:0046.83-23.396326.8BLOCK ISLANDS80:52W700N89E69.00-16SEBS, WSW, EBNTHE FIRST PART VARIABLE , THE MIDDLE AND LATTER HARD GALES AND SQUALLYMIDDLE AND LATTER RAIN0100000249991
1756-06-27T13:0047.97-20.3233019.0BLOCK ISLANDS79:35W741N62E144.00-19NBE, NNW, NBWFRESH GALES AND SQUALLY0000000249992
1756-06-28T13:0049.10-16.772406.7BLOCK ISLANDS78:30W780N65E160.00-19NNW, NW, WBSFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATEFIRST PART CLOUDY0000000249993
1756-06-29T13:0049.32-13.672066.7BLOCK ISLANDS78:47W828N84E124.00-19W, SWFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATECLOUDY0000000249994
1756-06-30T13:0049.45-12.452292.6BLOCK ISLANDS78:50W845N82E56.00-19SWBW, WSW, SW, WSWFIRST AND MIDDLE PART FRESH GALES, LATTER LITTLE WINDFIRST AND MIDDLE HAZY LATTER FAIR0000000249995
1756-07-01T13:0049.45-10.627115.4BLOCK ISLANDS79:9W869E73.00-19SW, SSE, SE, EMODERATE GALESCLOUDY0000000249996
1756-07-02T13:0049.48-7.522966.7BLOCK ISLANDS79:30W913N89E122.00-19NBW-NWMODERATEFIRST PART CLOUDY, MIDDLE AND LATTER CLEAR0000000249997
1756-07-03T12:0049.70-5.352076.7BLOCK ISLANDS79:4W9401N81E85.00-18WNW, NW, WSW, SWMODERATEHAZY0000000249998
1756-07-04T12:0050.05-4.42611.0BLOCK ISLANDS79:22W9521N60E42.00-18SWBW, SW, W, EBNFIRST PART FRESH GALES, THE MIDDLE AND LATTER LIGHT AIRSMIDDLE AND LATTER FOGGYFIRST PART FAIR0010000250000