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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 UNITE cruise from Spithead to Carlisle Bay started at 1799-03-07 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752569, 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: 27.031923 * Median Longitude: -32.072308 * South-bound Latitude: 13.150000 * West-bound Longitude: -58.230000 * North-bound Latitude: 49.280000 * East-bound Longitude: -5.820000
Date/Time Start: 1799-03-07T12:00:00 * Date/Time End: 1799-04-06T16:00:00
Event(s):
Unite_17990307_NMM_ADM/L/V111 * Latitude Start: 50.680000 * Longitude Start: -0.960000 * Latitude End: 13.000000 * Longitude End: -60.150000 * Date/Time Start: 1799-03-07T00:00:00 * Date/Time End: 1799-04-06T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Unite (5th Rate Frigate), Voyage: Spithead - Carlisle Bay, 1st Observer: William Shield (Captain), Company: Royal Navy, Other ship information: 32G 873BM
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 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:
575 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 
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)
1799-03-07T12:0049.28-5.82652.6USHANTSEBS9SSW1/2W49.00-25SE, NE, NBE, VARIABLE, ELIGHT BREEZESOVERCAST0000000260887
1799-03-08T12:0048.95-6.728819.0SCILLY HEAD19NBW1/4W41.00-25VARIABLE, SE, SW, ESEFIRST PART LIGHT BREEZES, LATTER FRESH GALESLATTER RAINCLOUDY0100000260888
1799-03-09T13:0047.75-8.2217719.0CAPE FINISTERRES3/4W99SW1/2S93.00-26N, NE, ENE, SSWFRESH GALESTHICKRAIN0100000260889
1799-03-10T13:0047.75-10.835322.6CAPE FINISTERRESSE1/4E55SW1/2S93.00-26NEBE, EBNSTRONG GALES AND HARD SQUALLS0000000260890
1799-03-11T13:0044.87-11.22326.7CAPE FINISTERRESE1/4E49SSW1/2W33.00-24NEBEMORE MODERATECLOUDY0000000260891
1799-03-12T00:004519.0BURLINGS84SSW129.00NEFIRST PART FRESH BREEZES, LATTER FRESH GALES AND SQUALLYRAINFAIR0100000260892
1799-03-13T13:0040.68-14.253419.0BURLINGS77SSW3/4W156.00-22NEBEFRESH GALES AND SQUALLYFREQUENT SHOWERS OF RAINHEAVY SWELL1100000260893
1799-03-14T13:0039.10-16.522319.0ST MARYSWSW149SW1/2S140.00-22NEFRESH GALES WITH FREQUENT HARD SQUALLYFOLLOWING SEA0000000260894
1799-03-15T13:0037.00-18.9025ST MARYSW99SW1/4S170.00-20NEFIRST PART FRESH GALES AND SQUALLY, STRONG GALES AND SQUALLY0000000260895
1799-03-16T13:0035.08-20.57256.7BLADURA73WBS140.00-20NEFRESH GALES AND SQUALLY, MODERATE BREEZESHIGH SEA FROM N0000000260896
1799-03-17T13:0033.23-21.8332.6BLADURAS1/4W75SSW1/2W127.00-20NNEFIRST AND MIDDLE PARTS MODERATE BREEZES, LATTER LIGHT WINDSLATTER RAINFINE0100000260897
1799-03-18T14:0030.97-23.62286.7FERROSBW125SWBS164.00-17NEPLEASANT BREEZESFINE0000000260898
1799-03-19T00:0028.72456.7BARBADOSSW1/2W709NEFRESZH BREEZES, PLEASANT BREEZESCLOUDY, FINE0000000260899
1799-03-20T00:0027.07459.3BARBADOSSSW660E, NEFRESH BREEZES AND SQUALLYRAIN AT TIMES0100000260900
1799-03-21T00:0025.58682.6BARBADOSWBS620ENELIGHT BREEZES, SQUALLY AT TIMESSHOWERS OF RAINCLOUDY1100000260901
1799-03-22T00:0024.671352.6BARBADOS595NE, SELIGHT BREEZES AND SQUALLYCLOUDY0000000260902
1799-03-23T14:0023.22-32.17316.7BARBADOSWBS1/2S550SW1/2W138.00-14NEMODERATE BREEZESCLOUDY0000000260903
1799-03-24T14:0021.95-34.02586.7BARBADOSWBS1/2S507SW3/4W127.00-10ENEMODERATE BREEZESRAINCLOUDY0100000260904
1799-03-25T14:0020.62-36.17806.7BARBADOSWBS450SW3/4W150.00-10EMODERATE BREEZESFAIR0000000260905
1799-03-26T15:0019.33-37.97836.7BARBADOSWBS488SWBW122.00-7EFIRST PART FRESH BREEZES, LATTER MORE MODERATECLOUDY0000000260906
1799-03-27T15:0018.60-39.67832.6BARBADOSWBS376SWBW3/4W106.00-7ELIGHT BREEZES AND SQUALLYSHOWERS OF RAIN1100000260907
1799-03-28T15:0017.78-41.07386.7BARBADOSWBS346WBW1/4W94.00-7NEMODERATE BREEZESFINE0000000260908
1799-03-29T15:0016.93-42.80652.6BARBADOSWBS318SWBW95.00-3ENELIGHT BREEZESFAIR0000000260909
1799-03-30T15:0015.97-45.07656.7BARBADOSWBS278SWBW3/4W120.00-3ENEMODERATE BREEZESFINE0000000260910
1799-03-31T15:0014.15-46.42766.7BARBADOSW1/2S238SWBW120.00-3EBNMODERATE BREEZESFINE0000000260911
1799-04-01T15:0013.30-48.421126.7BARBADOSW1/2S198WSW127.00-1ESEMODERATE BREEZESCLOUDY0000000260912
1799-04-02T15:0013.53-50.48446.7BARBADOSW1/4S176WBS3/4S128.00-1NEMODERATE BREEZESCLOUDY0000000260913
1799-04-03T16:0013.17-52.501126.7BARBADOSW136WBS120.00-1ESEMODERATE BREEZESFINE0000000260914
1799-04-04T16:0013.17-54.171026.7BARBADOSW94W126.001EBSMODERATE BREEZESFAIR0000000260915
1799-04-05T16:0013.30-56.22806.7BARBADOSW64W1/2N96.001EBNMODERATE BREEZESCLOUDY0000000260916
1799-04-06T16:0013.15-58.2381BARBADOSW20W1/2S120.002EBNMODERATE BREEZES, SQUALLYRAINFAIR0100000260917