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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 ALLIGATOR cruise from Havanna to Liverpool started at 1794-08-10 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747324, 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: 38.148983 * Median Longitude: -55.049322 * South-bound Latitude: 24.580000 * West-bound Longitude: -80.180000 * North-bound Latitude: 51.200000 * East-bound Longitude: -10.720000
Date/Time Start: 1794-08-10T17:00:00 * Date/Time End: 1794-10-07T13:00:00
Event(s):
Alligator_17940810_NMM_ADM/L/A261 * Latitude Start: 23.596000 * Longitude Start: -82.434000 * Latitude End: 53.480000 * Longitude End: -3.240000 * Date/Time Start: 1794-08-10T00:00:00 * Date/Time End: 1794-10-07T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Alligator (6th Rate Frigate), Voyage: Havanna - Liverpool, 1st Observer: Thomas Affleck (Captain), Company: Royal Navy, Other ship information: 28G 593BM
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 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.
12 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.
13 Wind force descriptionWind force descrAll reported wind forces on this day
14 Present weatherwwWeather description
15 Precipitation descriptionPrecip descr
16 State of the sea descriptionState sea descr
17 GustsGusts1 If wind gusts are reported
18 Precipitation/RainRain1 If rain was reported
19 FogFog1 If fog was reported
20 Snow typeSnow1 If snow was reported
21 ThunderThunder1 If thunder and or lightning was reported
22 HailHail1 If hail was reported
23 Sea iceSea ice1 If sea-ice or icebergs were reported
24 IdentificationIDCLIWOC 2.1 line number
Size:
1110 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 
Decl [deg]
(It is generally accepted by t...)
12 
Wind dir descr
(All reported wind directions ...)
13 
Wind force descr
(All reported wind forces on t...)
14 
ww
(Weather description)
15 
Precip descr
16 
State sea descr
17 
Gusts
(1 If wind gusts are reported)
18 
Rain
(1 If rain was reported)
19 
Fog
(1 If fog was reported)
20 
Snow
(1 If snow was reported)
21 
Thunder
(1 If thunder and or lightning...)
22 
Hail
(1 If hail was reported)
23 
Sea ice
(1 If sea-ice or icebergs were...)
24 
ID
(CLIWOC 2.1 line number)
1794-08-10T17:0024.58-80.181862.6CAPE FLORIDAN17W23N23E77.006SPM MODERATE BREEZES, AM LIGHT BREEZESPM CLOUDY00000008285
1794-08-11T17:0026.55-79.751072.6MEMORY ROCKN29E17N11E120.006VARIABLE, EBSPM LIGHT BREEZES, AT NOON LIGHT BREEZESPM CLEAR00000008286
1794-08-12T17:0028.37-79.1783SW POINT BERMUDAN51E320N16E113.004EBNPM LIGHT AIRSPM CLEAR WEATHER00000008287
1794-08-13T17:0028.63-78.08362SW POINT BERMUDAN74E257N73E59.004NWBN, VARIABLE00000008288
1794-08-14T17:0028.38-77.2925SW POINT BERMUDAN72E247N68E45.002NBE, NNEPM MODERATE BREEZES00000008289
1794-08-15T17:0028.20-76.50362.6SW POINT BERMUDAN70E233S77E44.002S, NEBNFRESH BREEZES, AM LIGHT BREEZESCLEAR, AM FAIR00000008290
1794-08-16T17:0028.97-75.101609.3SW POINT BERMUDAN72E207N58E87.002SEBS, SSEPM MODERATE BREEZES, AM FRESH BREEZES AND SQUALLYPM CLOUDYAM RAIN11001008291
1794-08-17T17:0029.97-73.82160SW POINT BERMUDAN76E183N48E90.002SSEPM FRESH BREEZES00000008292
1794-08-18T17:0030.80-71.451696.7SW POINT BERMUDAN78E133N58E84.000SBEPM FRESH BREEZES, AM MODERATEPM HAZY, AM CLOUDY00000008293
1794-08-19T17:0031.32-71.382141.0SW POINT BERMUDAN82E125N6E31.000ESE, SWBSPM MODERATE, AM LIGHT AIRSPM CLOUDY00000008294
1794-08-20T17:0032.10-71.723626.7SW POINT BERMUDAN84E137N20W50.000EBN, VARIABLEPM LIGHT AIRS, AM MODERATE BREEZES00000008295
1794-08-21T17:0032.20-72.28560.0SW POINT BERMUDAE148N79W30.000NEBEPM LIGHT AIRS, AM LIGHT BREEZES, AT NOON CALMPM CLOUDY, AM CLEAR, AT NOON CLOUDY00000008296
1794-08-22T17:0032.00-72.15900.0SW POINT BERMUDAE146S61E8.000VARIABLE, ENE, EPM LIGHT AIRS, AT NOON CALMPM CLOUDY, AT NOON CLEAR00000008297
1794-08-23T17:0032.65-71.38121SW POINT BERMUDAS86E134N52E49.00-3VARIABLE, SEBEPM LIGHT AIRSAT 10 HEAVY RAIN01000008298
1794-08-24T17:0032.98-70.351212.6SW POINT BERMUDAS82E115N69E56.00-3S, SEBEPM MODERATE, AM LIGHT BREEZESPM CLOUDY00000008299
1794-08-25T17:0032.95-69.801551.0SW POINT BERMUDAS82E110S86E28.00-3SSEPM LIGHT AIRS, AM LIGHT AIRSAM FAIR00000008300
1794-08-26T17:0033.12-69.17155SW POINT BERMUDAS82E98N74E33.00-3SEBE, NBW, SSEPM LIGHT AIRSPM CLEAR00000008301
1794-08-27T17:0033.82-68.723622.6NW POINT OF BERMUDAS72E91N31E50.00-3SE, VARIABLEPM MODERATE, AM LIGHT BREEZESPM CLOUDY00000008302
1794-08-28T17:0034.33-68.272226.7NW POINT OF BERMUDAS65E94N29E40.00-3VARIABLE, SWPM MODERATE, AM FRESH BREEZES, AT NOON MODERATEPM CLEAR, AT NOON CLEAR00000008303
1794-08-29T17:0034.40-67.62155NW POINT OF BERMUDAS53E87N40E50.00-3VARIABLE, SSEPM LIGHT AIRSCLEARAM HEAVY RAIN01000008304
1794-08-30T16:0035.33-67.181531.0NW POINT OF BERMUDAS47E86N50E28.00-5VARIABLE, NE, SSEPM MODERATE BREEZES, AM LIGHT AIRSAM CLEAR00000008305
1794-08-31T16:0035.25-66.70406.7NW POINT OF BERMUDAS43E77S78E24.00-5NBE, VARIABLE, NEPM LIGHT BREEZES, AM MODERATEPM CLOUDY, AM CLOUDY00000008306
1794-09-01T16:0035.00-66.783621.0NW POINT OF BERMUDAS42E70S14W15.00-5NBE, WSW, VARIABLEPM LIGHT BREEZES, AM LIGHT AIRSAM CLEAR00000008307
1794-09-02T16:0034.62-66.723622.6NW POINT OF BERMUDAS51E69S8E23.00-5VARIABLECALM, AT NOON LIGHT BREEZESHAZY WEATHER00000008308
1794-09-03T16:0035.22-66.531416.7NW POINT OF BERMUDAS42E75N14E37.00-5SSW, SEBSPM LIGHT AIRS, AM LIGHT BREEZES, AT NOON MODERATEPM CLOUDY, AT NOON CLOUDYAM RAIN01000008309
1794-09-04T16:0036.50-66.252431.0NW POINT OF BERMUDAS33E85N17E49.00-5SW, SSW, WSWPM MODERATE, AM LIGHT AIRSPM CLEAR00000008310
1794-09-05T16:0037.27-64.772209.3CORVON84E467N43E105.00-5SWBS, SWPM MODERATE BREEZES, AM FRESH BREEZESPM CLEARAM RAIN, AT NOON RAIN01001008311
1794-09-06T16:0037.73-62.3820219.0CORVON85E453N76E116.00-12NNW, SWBSPM FRESH GALES, AM FRESH GALES AND SQUALLYPM RAIN11001008312
1794-09-07T16:0037.40-61.65169.3CORVOEBN1/2E443S60E40.00-7NE, ESE, NNEPM FRESH BREEZES, AM FRESH BREEZES00000008313
1794-09-08T16:0037.95-60.0011219.0CORVON85E400N67E85.00-12WBS, SEBEPM FRESH BREEZES AND SQUALLY, AM FRESH GALES AND SQUALLYAM RAIN01000008314
1794-09-09T16:0038.08-57.8221319.0CORVON85E371N86E103.00-12WNW, N, NNE, SWPM FRESH GALES AND SQUALLY, AT NOON FRESH GALESAT NOON RAIN01000008315
1794-09-10T16:0037.73-55.9896.7CORVON84E376S76E88.00-14NEBN, NNEPM FRESH BREEZES, AT NOON MODERATEPM CLOUDY, AT NOON CLEAR00000008316
1794-09-11T16:0037.05-55.13366.7CORVON82E380S45E58.00-9NEBE, VARIABLE, NEPM MODERATE, AM MODERATEPM CLOUDY, AM CLEAR00000008317
1794-09-12T16:0038.30-55.456519.0CORVON86E400N11:15W76.00-14E, EBS, EBNPM FRESH BREEZES, AT 10 FRESH GALES AND SQUALLYPM CLOUDY10000008318
1794-09-13T16:0039.33-55.937619.0CORVON89E413N20W66.00-14EPM FRESH GALES, AT NOON FRESH GALESPM CLOUDY, AT NOON CLOUDY00000008319
1794-09-14T16:0040.00-54.98769.3CAPE RACEN14E135N42E65.00-14EBS, VARIABLE, SBE, EPM FRESH GALES AND SQUALLY, AT 7 FRESH BREEZES, AT NOON FRESH BREEZESAT NOON CLOUDY, AT 7 CLEAR00000008320
1794-09-15T16:0040.72-53.15166CAPE RACEN3E120N67E90.00-14SBE, ESE, SPM FRESH GALES AND SQUALLYAT NOON HEAVY RAIN01000008321
1794-09-16T16:0040.33-52.757622.6CAPE RACEN127S37E30.00-14ENE, EPM FRESH GALES, AT 8 STRONG GALES AND SQUALLYPM RAIN01000008322
1794-09-17T15:0039.77-51.83759.3CAPE RACEN5W139S51E54.00-15EBN, VARIABLE, EPM FRESH GALES, AM FRESH GALES AN SQUALLY, AT NOON FRESH BREEZESPM CLOUDY WEATHER, AT NOON CLOUDY00000008323
1794-09-18T15:0039.77-49.753009.3CORVOE375E95.00-15WNW, NWPM FRESH BREEZES, AM FRESH BREEZESPM CLOUDY, AM CLOUDY00000008324
1794-09-19T15:0039.72-47.672556.7CORVOE333S88E96.00-15WSW, WPM FRESH BREEZES, AM MODERATEPM CLEAR, AM CLOUDYAM RAIN01000008325
1794-09-20T15:0040.05-46.23253CORVOE305N72E69.00-17WPM MODERATE BREEZES, AT NOON SQUALLYPM CLOUDY10000008326
1794-09-21T15:0040.57-44.622642.6CORVOS85E272N67E79.00-17NNW, NW, WBNPM FRESH GALES, AM MODERATE, AT NOON LIGHT BREEZESPM CLOUDY, AM CLOUDYA HEAVY SWELL00000008327
1794-09-22T15:0040.87-43.772876.7CORVOS83E192N65E42.00-17WNW, NWBWPM MODERATE BREEZES, AM MODERATEAM CLEAR00000008328
1794-09-23T15:0041.88-42.622539.3CORVOS76E180N40E74.00-17NW, VARIABLE, WPM LIGHT BREEZES, AM FRESH BREEZESPM CLOUDYAM RAIN01000008329
1794-09-24T15:0043.33-41.771249.3CORVOS66E179N23E95.00-22SSE, S, SEBSPM CALM, AT 5 LIGHT AIRS, AM FRESH FRESH BREEZESPM CLOUDY WEATHER00000008330
1794-09-25T15:0045.18-39.90158CORVOS50E171N36E137.00-22SWBW, SBW, SPM FRESH GALESPM CLOUDY00000008331
1794-09-26T15:0046.60-38.501926.7CORVOS39E176N29E97.00-22SSW, SWBSPM FRESH BREEZES, AM MODERATEPM HAZY, AM CLOUDY00000008332
1794-09-27T14:0047.37-35.751809.3SCILLYN82E367N68E128.00-23S, SSWPM MODERATE BREEZES, AM FRESH BREEZES, AT 6 FRESH BREEZEAM CLEAR00100008333
1794-09-28T14:0048.08-32.2517622.6SCILLYN84E350N73E148.00-27SBW, SSWPM FRESH BREEZES, AM STRONG GALESPM CLOUDY00000008334
1794-09-29T14:0048.38-30.301766.7SCILLYN84:19E310N77E80.00-27WSW, SW, SSWPM HARD GALES, AM MODERATEPM CLOUDY, AM CLEARPM RAIN01000008335
1794-09-30T14:0048.83-28.501646.7SCILLYN85:37E283N69E76.00-27SSE, S, SBWPM LIGHT BREEZES, AT 8 FRESH BREEZES, AM MODERATEPM CLOUDY, AM HAZY00000008336
1794-10-01T14:0049.00-25.581769.3SCILLYN85:32E222N85E115.00-27SSWPM FRESH GALES, AM FRESH BREEZESAM CLOUDY00000008337
1794-10-02T14:0049.18-22.681986.7CORVON89:35E202N85E114.00-27SWMODERATE BREEZESCLOUDY WEATHER00000008338
1794-10-03T13:0049.00-19.232886.7CORVON84E163S85E136.00-27NWMODERATE BREEZESCLOUDY WEATHER00000008339
1794-10-04T13:0049.88-16.533126.7CAPE CLEARN72E89N63E117.00-26NNWMODERATE BREEZESHAZY WEATHER00000008340
1794-10-05T13:0050.93-13.5031226.8CAPE CLEARN82E46N61E130.00-26NNWHARD GALES AND SQUALLY WEATHER00000008341
1794-10-06T13:0051.20-11.8831326.8CAPE CLEARN88E25N75E63.00-25NNWHARD GALES AND SQUALLY WEATHER00000008342
1794-10-07T13:0051.07-10.7236219.0CAPE CLEARN71E11S80E45.00-25VARIABLEFRESH GALES AND SQUALLY WEATHER00000008343