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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 MAIDSTONE cruise from St. Johns to Spithead started at 1779-11-07 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.750594, 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: 48.460000 * Median Longitude: -34.272593 * South-bound Latitude: 46.250000 * West-bound Longitude: -49.660000 * North-bound Latitude: 51.130000 * East-bound Longitude: -10.640000
Date/Time Start: 1779-11-07T15:00:00 * Date/Time End: 1779-12-03T13:00:00
Event(s):
Maidstone_17791107_NMM_ADM/L/M28 * Latitude Start: 47.670000 * Longitude Start: -52.270000 * Latitude End: 50.680000 * Longitude End: -0.960000 * Date/Time Start: 1779-11-07T00:00:00 * Date/Time End: 1779-12-03T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Maidstone (6th Rate Frigate), Voyage: St Johns - Spithead, 1st Observer: Thomas Durell (Captain), Company: Royal Navy, Other ship information: 28G 586BM
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 ClearnessClearness
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:
513 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 
Clearness
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)
1779-11-07T15:0047.72-49.6620119.0CAPE SPEARN80E124.00-24SWFRESH GALESHAZY0000000159372
1779-11-08T15:0048.22-47.3415622.6CAPE SPEARS79E72N74E95.00-24S, SBE, SFIRST PART, LATTER STRONG GALESLATTER RAINFIRST PART CLOUDY, LATTER HAZY0100000159373
1779-11-09T15:0048.73-46.9114522.6CAPE SPEARS70W84N38E48.00-24S, SBW, SBESTRONG GALESRAIN0100000159374
1779-11-10T15:0049.50-45.361796.7CAPE SPEARS69W107N43E70.00-24SW, WSW, SSWFIRST PART MODERATE, LATTER MODERATEFIRST PART RAINLATTER CLOUDY0100000159375
1779-11-11T15:0049.90-44.362462.6CAPE SPEARS69W119N59E49.00-24NNW, S, SBW, WLIGHT BREEZESCLOUDY0000000159376
1779-11-12T15:0049.92-42.321569.3CAPE SPEARS70W142E80.00-24SFIRST PART LIGHT BREEZES, LATTER FRESH BREEZESCLOUDY0000000159377
1779-11-13T15:0050.57-41.571566.7CAPE SPEARS69W158N45E59.00-24SE, ESE, SMODERATELATTER FOGGYFIRST PART CLOUDY0010000159378
1779-11-14T15:0050.98-40.9111119.0CAPE SPEARS69W164N74E43.00-24SEFIRST PART LIGHT AIRS, LATTER PART FRESH GALESHAZY0000000159379
1779-11-15T15:0051.13-38.7611119.0CAPE SPEARS69W200N68E91.00-24SEFRESH GALES0010000159380
1779-11-16T14:0050.97-36.441561.0CAPE SPEARS72W22S80E98.00-24NNN, SFIRST AND MIDDLE PARTS FRESH GALES, LATTER LIGHT AIRS0010000159381
1779-11-17T14:0049.83-36.41446.7CAPE SPEARS78W224S59.00-24E, ESE, ENEFIRST PART CALM, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER CLOUDY0000000159382
1779-11-18T14:0048.68-36.171116.7CAPE SPEARS84W226S2E69.00-24SEMODERATEFAIR0000000159383
1779-11-19T14:0047.50-35.52669.3CAPE SPEARW229S20E76.00-24EFRESH BREEZESCLOUDY0000000159384
1779-11-20T14:0046.67-35.21716.7CAPE SPEARN86W234S15E52.00-19SE, EMODERATECLOUDY0000000159385
1779-11-21T14:0046.63-34.963626.7CAPE SPEARN85W237S40E16.00-19VARIABLEMODERATECLOUDY0000000159386
1779-11-22T14:0046.35-34.691166.7CAPE SPEARN84W241S57E13.00-19SEMODERATECLOUDY0000000159387
1779-11-23T14:0047.53-33.961116.7CAPE SPEARW250N23E79.00-24SEMODERATECLOUDY0000000159388
1779-11-24T14:0046.77-33.971166.7CAPE SPEARN84W254S2W46.00-19E, SEFIRST PART FRESH BREEZES, LATTER MODERATEFIRST PART CLOUDY, LATTER HAZY0000000159389
1779-11-25T14:0046.25-33.861166.7CAPE SPEARN84W285S10E32.00-19SSW, SEMODERATERAIN AT TIMESCLOUDY0100000159390
1779-11-26T14:0046.88-31.4916022.6CAPE SPEARN87W324N71E117.00-20SW, W, SFIRST PART MODERATE, MIDDLE FRESH GALES, LATTER STRONG GALESFIRST AND LATTER PARTS CLOUDY, MIDDLE HAZY0000000159391
1779-11-27T14:0047.25-28.5631819.0CAPE SPEARN39W324N78E108.00-20NE, N, NNWFIRST PART FRESH GALES, MIDDLE MODERATE, LATTER FRESH GALESFIRST AND MIDDLE PARTS CLOUDY, LATTER FAIR0000000159392
1779-11-28T14:0047.10-27.2731722.6CAPE SPEARN89W341S80E53.00-21ENE, E, NNWFIRST PART FRESH GALES, MIDDLE AND LATTER STRONG GALES AND SQUALLYMIDDLE AND LATTER RAINFIRST PART CLOUDY0100000159393
1779-11-29T14:0047.45-24.544719.0CAPE SPEARW378N79E114.00-21WSW, NW, ENEFIRST PART MODERATE, MIDDLE AND LATTER FRESH GALESCLOUDY0000000159394
1779-11-30T13:0047.78-21.572911.0ST AGNES SCILLYN77E195N79E108.00-24SBW, NWFIRST AND MIDDLE PARTS FRESH GALES, LATTER LIGHT AIRSCLOUDY0000000159395
1779-12-01T13:0048.83-18.52145ST AGNES SCILLYN81E150N63E138.00-24SBW, SBEFIRST PART FRESH BREEZESCLOUDY0000000159396
1779-12-02T13:0049.70-14.3920222.6ST AGNES SCILLYN87E95N72E170.00-23SWSTRONG GALESHAZY0000000159397
1779-12-03T13:0049.58-10.642026.7ST AGNES SCILLYN40E40S87E147.00-23SWFIRST PART STRONG GALES, LATTER MODERATEFIRST PART CLOUDY, LATTER HAZY0000000159398