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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 PYLADES cruise from Carlisle Bay to Barbados started at 1815-03-11 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751617, 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: 23.578421 * Median Longitude: -66.181053 * South-bound Latitude: 16.370000 * West-bound Longitude: -80.650000 * North-bound Latitude: 30.800000 * East-bound Longitude: -59.830000
Date/Time Start: 1815-03-11T00:00:00 * Date/Time End: 1815-03-30T16:00:00
Event(s):
Pylades_18150311_NMM_ROB/7 * Latitude Start: 13.000000 * Longitude Start: -60.150000 * Latitude End: 14.850000 * Longitude End: -59.680000 * Date/Time Start: 1815-03-11T00:00:00 * Date/Time End: 1815-03-30T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Pylades (Sloop), Voyage: Carlisle Bay - Barbados, 1st Observer: John Charles Roberts (Captain), 2nd Observer: Charles Roberts (2nd Officer/Lieutenant), 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
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 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
15 Current speed descriptionV descr
16 Wind force descriptionWind force descrAll reported wind forces on this day
17 Present weatherwwWeather description
18 Precipitation descriptionPrecip descr
19 ClearnessClearness
20 GustsGusts1 If wind gusts are reported
21 Precipitation/RainRain1 If rain was reported
22 FogFog1 If fog was reported
23 Snow typeSnow1 If snow was reported
24 ThunderThunder1 If thunder and or lightning was reported
25 HailHail1 If hail was reported
26 Sea iceSea ice1 If sea-ice or icebergs were reported
27 IdentificationIDCLIWOC 2.1 line number
Size:
384 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 
Cur dir descr
(Direction of the current. Thi...)
15 
V descr
16 
Wind force descr
(All reported wind forces on t...)
17 
ww
(Weather description)
18 
Precip descr
19 
Clearness
20 
Gusts
(1 If wind gusts are reported)
21 
Rain
(1 If rain was reported)
22 
Fog
(1 If fog was reported)
23 
Snow
(1 If snow was reported)
24 
Thunder
(1 If thunder and or lightning...)
25 
Hail
(1 If hail was reported)
26 
Sea ice
(1 If sea-ice or icebergs were...)
27 
ID
(CLIWOC 2.1 line number)
1815-03-11T00:0030.63681.0AMELIA ISLAND, N ENDWNWE1/2S, ENE, SEBE1AM CALM 8AM LIGHT AIRS 4PM LIGHT BREEZES 6PM MODERATEFINE0000000204710
1815-03-12T17:0030.80-80.652852.6BERMUDAN80E305N70E41.004SE, WBN, SSE1AM LIGHT AIRS 8AM CALM 10AM LIGHT BREEZES PM LIGHT AIRSFINE0000000204711
1815-03-13T17:0030.80-79.022746.7BERMUDAN80E275E72.004SBE, S, W, WBS, SWBW1AM LIGHT BREEZES 4AM MODERATE PM MODERATEFINE0000000204712
1815-03-14T17:0029.28-76.382952.6BERMUDAN78E213S69E139.002WBS, WNW, S1AM MODERATE 8AM LIGHT BREEZES 4PM MODERATE BREEZES 8PM MODERATEFINE0000000204713
1815-03-15T17:0028.75-73.752276.7BERMUDAN66E208S78E157.002S, SWS2MODERATE 8PM MODERATE BREEZESFINE0000000204714
1815-03-16T17:0027.62-70.171806.7BERMUDAN58E120S77E190.000S, SSWAM MODERATE BREEZES NOON MODERATE PM LIGHT AIRS1AM FINE 8AM CLOUDY PM FINE0000000204715
1815-03-17T17:0027.42-68.832836.7BERMUDAN44E113S87E71.002SEBS, WBN, ESE1AM LIGHT BREEZES 7AM LIGHT AIRS NOON MODERATE 1PM LIGHT BREEZES MIDNIGHT LIGHT AIRSFINE0000000204716
1815-03-18T16:0027.60-67.431676.7BERMUDAN30E110S80E83.00-2ESE, S, SBE1AM LIGHT BREEZES 8AM MODERATE 6PM MODERATE BREEZES 8PM LIGHT BREEZES MIDNIGHT LIGHT AIRSFINE0000000204717
1815-03-19T16:0027.18-65.751582.6BARBUDAS23E170S81E83.000SSE1AM MODERATE BREEZES 4AM LIGHT BREEZES 8AM MODERATE PM MODERATEFINE0000000204718
1815-03-20T16:0026.00-63.881916.7BARBUDAS21E167S55E121.000SW, SBW, SWBWAM MODERATE BREEZES NOON MODERATE 1PM MODERATE BREEZES 6PM MODERATE 8PM LIGHT AIRS MIDNIGHT CALMFINE MIDNIGHT CLOUDY0000000204719
1815-03-21T16:0024.77-62.77689.3BARBUDAS7E140S46E97.000N, NE, ENE, EBN4AM MODERATE 8AM LIGHT AIRS NOON FRESH BREEZES PM FRESH BREEZESNOON SQUALLS AT INTERVALS 4PM SQUALLY4AM RAIN 8AM HEAVY RAINCLOUDY1100000204720
1815-03-22T16:0022.40-61.481029.3BARBADOSS11E180S22E160.001EBN, ESE, VARIABLE, EBS1AM FRESH BREEZES 4AM MODERATE 8AM FRESH BREEZES 4PM MODERATE 8PM FRESH BREEZESNOON CLOUDY 4PM FINE 8PM CLOUDY0000000204721
1815-03-23T16:0021.58-61.23919.3BARBUDAS57S119.00LAT. AND LONG. RECORDED THE SAME AS THE PREVIOUS DAY1EBS, E, E1/2S, EAM FRESH BREEZES 4PM MODERATE BREEZES 6PM FRESH BREEZESAM CLOUDY 4PM FINE 6PM CLOUDY0000000204722
1815-03-24T16:0020.75-60.98859.3BARBUDAS25W23S15E111.001E, E1/2N, ENE1AM FRESH BREEZES 8AM MODERATE BREEZES NOON FRESH BREEZES PM FRESH BREEZESSQUALLYNOON RAIN 2PM RAIN8AM FINE PM CLOUDY1100000204723
1815-03-25T16:0017.93-61.83919.3BARBUDA, E-ENDSBW51ENE, ESE, E1AM FRESH BREEZES 8AM MODERATE BREEZES NOON FRESH BREEZES PM FRESH BREEZESSQUALLYAM FINE1000000204724
1815-03-26T16:0018.17-61.63919.3BARBUDA, W-ENDS1/2W10N72E10.001ESE, E, E1/2N, ENEFRESH BREEZESSQUALLY AT TIMES6PM RAINFINE1100000204725
1815-03-27T16:0017.37-61.00819.3ANTIGUA, E-ENDWSW13S55E50.002ENE, EBN, E1/2SAM FRESH BREEZES 8PM MODERATE BREEZESAM SQUALLY1PM FINE 6PM CLOUDY1000000204726
1815-03-28T16:0016.63-60.61929.3DISEADASBE62E1/2S, VARIABLE, E, ENEFRESH BREEZES1AM HEAVY SQUALLS OF RAINNOON FINE 6PM CLOUDY1100000204727
1815-03-29T16:0016.37-60.22869.3DISEADAWSW52ENE VARIABLE, E1/2N, ENE, NEBEFRESH BREEZESAM SQUALLY MIDNIGHT SQUALLYPM FINE1000000204728
1815-03-30T16:0016.57-59.83869.3BARBADOSS21S32E138.002NEBE, ENE, E1/2N, E, ENEFRESH BREEZESSQUALLYCLOUDY1000000204729