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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 RATTLER cruise from St. Johns to Fayal started at 1807-03-23 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751685, 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: 41.008750 * Median Longitude: -43.477500 * South-bound Latitude: 39.350000 * West-bound Longitude: -52.120000 * North-bound Latitude: 45.800000 * East-bound Longitude: -35.450000
Date/Time Start: 1807-03-23T15:00:00 * Date/Time End: 1807-04-16T00:00:00
Event(s):
Rattler_18070323_NMM_ADM/L/R61 * Latitude Start: 47.670000 * Longitude Start: -52.270000 * Latitude End: 38.030000 * Longitude End: -29.330000 * Date/Time Start: 1807-03-23T00:00:00 * Date/Time End: 1807-04-16T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Rattler (Sloop), Voyage: St Johns - Fayal, Azores, 1st Observer: James Agassiz (Captain), Company: Royal Navy, Other ship information: 16G 361BM
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 Precipitation descriptionPrecip descr
16 State of the sea descriptionState sea 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:
474 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 
Precip descr
16 
State sea 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)
1807-03-23T15:0045.80-52.122036.7CAPE RACEN31W16S13E79.00-22VARIABLE, SWBW, SWBS, SW, SBWAM FRESH BREEZES, NOON MODERATE, PM MODERATE BREEZESAM CLEAR, NOON CLOUDY, PM CLEAR0000000207178
1807-03-24T15:0045.02-50.472269.3CAPE RACEN47W44S56E85.00-22SW, VARIABLE, SSW, WBN, WBSAM MODERATE BREEZES, NOON FRESH BREEZES, PM FRESH BREEZES AND SQUALLYPM RAINCLOUDY0101000207179
1807-03-25T15:0042.77-48.9527112.3CORVOS77E272S26E146.00-22NW, NNW, NWBN, NWBWAM SQUALLY, NOON STRONG BREEZES, PM FRESH BREEZESCLOUDY0000000207180
1807-03-26T15:0041.38-49.152879.3CORVOS83E273SBW76.00-17SEBE, SE, VARIABLE, NW, WNW, SWAM STRONG BREEZES, NOON FRESH BREEZES, PM HEAVY SQUALLSAM HAZY, NOON CLEAR, PM CLOUDY0000000207181
1807-03-27T15:0040.98-48.452769.3CORVOS84E264S53E37.00-17WSW, WBNFRESH BREEZESCLEAR0000000207182
1807-03-28T15:0040.35-47.201060.0CORVOS87E248S56E68.00-18WNW, EBS, SSEAM LIGHT AIRS, NOON CALM, PM LIGHT BREEZESNOON HEAVY RAINCLEAR0100000207183
1807-03-29T15:0039.87-46.857222.6CORVOE247S8W30.00-18SE, ENE, NEBN, SE, NBE, NWBNAM SQUALLY, NOON STRONG GALES, PM FRESH GALES AND SQUALLYCLOUDY0000000207184
1807-03-30T15:0039.38-44.922976.7CORVON88E220S72E75.00-18NNW, WBN, SW, SBE, S, SW, SWBSAM FRESH GALES, NOON MODERATEAM HEAVY SWELL FROM THE NORTHWARD, PM SWELL FROM THE WESTWARDCLOUDY0000000207185
1807-03-31T15:0039.55-43.73839.3CORVON89E198N79E56.00-18SBW, SSW, SAM FRESH BREEZES AND SQUALLY, PM FRESH BREEZESRAIN AT TIMESCLOUDY0100000207186
1807-04-01T15:0039.55-43.152750.0CORVON88E187N84E27.00-18WBS, W, NWBN, NWBW, NW, NNW, NNE, NAM CALM, PM LIGHT BREEZESAM CLOUDY, PM CLEAR0000000207187
1807-04-02T15:0039.67-42.382509.3CORVOE176N79E43.00-20VARIABLE, WNW, WBNAM MODERATE BREEZES, NOON FRESH BREEZESCLOUDY WEATHER0000000207188
1807-04-03T15:0040.52-41.0329522.6CORVOS85E154N68E73.00-20WBN, NWSTRONG GALES AND SQUALLYRAINPM A HEAVY SWELL FROM THE NW0100000207189
1807-04-04T15:0040.53-40.183519.3CORVOS83E140S86E38.00-20NEBE, NBE, VARIABLE, NBWFRESH BREEZES0000000207190
1807-04-05T15:0040.53-39.371719.3CORVOS82:30E129N85E38.00-20NW, W, WBS, SSW, S, SWBSAM LIGHT AIRS, NOON FRESH BREEZES, PM FRESH BREEZESAM HAZY, PM CLOUDY0000000207191
1807-04-06T15:0040.80-39.972169.3SOUTH PART OF BANKW185N60W30.00-20SBW, SW, WSWAM FRESH BREEZES AND SQUALLY, PM STRONG BREEZES0000100207192
1807-04-07T15:0041.53-40.152059.3CORVOS75E141N11W43.00-20WSW, SSW, SBW, WBSAM FRESH BREEZES, PM MODERATE BREEZESAM HAZY, PM CLOUDY0000000207193
1807-04-08T15:0041.83-41.501839.3SOUTH POINT OF BANKS84W160N73W63.00-20SW, SBW, WSW, SAM LIGHT BREEZES, NOON FRESH BREEZES, PM FRESH BREEZES0000000207194
1807-04-09T15:0041.93-42.4829512.3SOUTH PART BANKS83W145N72W46.00-20SW, NWBW, NWBNAM STRONG GALES WITH HEAVY SQUALLS, NOON STRONG BREEZESCLOUDY0000000207195
1807-04-10T15:0041.07-42.072730.0SOUTH PART BANKW155S20E39.00-20NW, ESECALMCLEAR WEATHER0000000207196
1807-04-11T15:0041.35-41.931156.7SOUTH PART BANKS87W152N19E15.00-20SEBE, ESE, SSE, SEBSLIGHT BREEZES, NOON MODERATE, PM MODERATE BREEZESCLOUDY0000000207197
1807-04-12T15:0040.10-42.401386.7CORVOS87:30E177S29W62.00-20SEBS, SE, SBW, SBE, SAM FRESH BREEZES, NOON MODERATECLOUDY0000000207198
1807-04-13T15:0040.35-41.031499.3CORVOS85E151N77E62.00-20SAM MODERATE BREEZES, NOON FRESH BREEZESAM HAZY, PM CLOUDY0000000207199
1807-04-14T15:0040.00-38.531716.7CORVON80E116S80E103.00-20SSSW, VARIABLEAM MODERATE BREEZES, NOON MODERATE, PM MODERATE BREEZESCLEAR0000000207200
1807-04-15T14:0039.35-35.451596.7CORVON84E70S80E144.00-21SBW, SWMODERATEAM CLOUDY, NOON FINE, PM FINE0000000207201
1807-04-16T00:002149.3FLORES ABREST11SWBWAM MODERATE BREEZES, NOON FRESH BREEZES, PM FRESH BREEZESAM HAZY, PM CLOUDY0000000207202