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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 WALVISCH cruise from Swansea to Tafelbaai started at 1851-04-20 [dataset]. Koninklijk Nederlands Meteorologisch Instituut, De Bilt, PANGAEA, https://doi.org/10.1594/PANGAEA.752822, 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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RIS CitationBibTeX Citation

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: -4.375775 * Median Longitude: -16.479859 * South-bound Latitude: -36.820000 * West-bound Longitude: -34.070000 * North-bound Latitude: 50.900000 * East-bound Longitude: 18.350000
Date/Time Start: 1851-04-20T00:00:00 * Date/Time End: 1851-06-30T11:00:00
Event(s):
Walvisch_18510420_O_REIS_26_P262-272 * Date/Time Start: 1851-04-20T00:00:00 * Date/Time End: 1851-06-30T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Walvisch, Voyage: Swansea - Tafelbaai, 1st Observer: F. Schut (Kapitein)
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
--1 If position is considered to be coastal (in port or near coastal disturbances)
WatchWatchName of the period of 4 hours which is known as a watch or duty on board ships
GlassesGlassesNumber of glasses within a watch; one watch equals 8 glasses
CommentCommentOther remarks, that were not possible to put in the other remark fields
10 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.
11 Wind scale referenceWind scale ref#Name of, or reference to the wind scale that has been used
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 Cloud typeCloud type
18 ClearnessClearness
19 GustsGusts1 If wind gusts are reported
20 Precipitation/RainRain1 If rain was reported
21 FogFog1 If fog was reported
22 Snow typeSnow1 If snow was reported
23 ThunderThunder1 If thunder and or lightning was reported
24 HailHail1 If hail was reported
25 Sea iceSea ice1 If sea-ice or icebergs were reported
26 IdentificationIDCLIWOC 2.1 line number
Size:
1244 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

-

Watch

Glasses

Comment
10 
Decl [deg]
11 
Wind scale ref [#]
12 
Wind dir descr
13 
Wind force descr
14 
ww
15 
Precip descr
16 
State sea descr
17 
Cloud type
18 
Clearness
19 
Gusts
20 
Rain
21 
Fog
22 
Snow
23 
Thunder
24 
Hail
25 
Sea ice
26 
ID
1851-04-20T00:002039.31VM85WZW, ZZW5V00, V040000000274941
1851-04-21T12:0050.90-4.932579.3VM8-245ZWTW, WTN5V000000000274942
1851-04-22T12:0050.62-7.002246.7VM8-244W, ZWTZ, WZW4V03H000000000274943
1851-04-23T12:0048.80-6.931901.0VM8-241ZWTZ1V000000000274944
1851-04-24T13:0049.52-9.002444.6VM8-263NW, W3V010000000274945
1851-04-25T13:0047.98-9.78539.3VM8-265OZO, WNW, OTN5V030000000274946
1851-04-26T13:0046.28-10.703369.3VM8-245N5W00V061000000274947
1851-04-27T13:0043.65-12.303369.3VM8-245N5V000000000274948
1851-04-28T13:0040.60-14.002460.0VM8-240NW, W0V030000000274949
1851-04-29T13:0038.88-14.751909.3VM8-245ZWTZ5V05, V030000000274950
1851-04-30T13:0037.28-13.102030.0VM8-220ZWSTILV00, V050000000274951
1851-05-01T13:0036.00-12.23139.3VM8-215NOTN5V010000000274952
1851-05-02T13:0034.35-14.40239.3VM8-225NOTO, NO5V060000000274953
1851-05-03T13:0032.15-16.52479.3VM8-215ONO5V04, V030000000274954
1851-05-04T13:0029.57-18.383391.0VM8-211WNW, N1V05, V040000000274955
1851-05-05T13:0028.20-18.903509.3VM8-215N, NTO5V000000000274956
1851-05-06T13:0026.50-19.403296.7VM8-204NTW4V050000000274957
1851-05-07T13:0024.50-19.903519.3VM8AFW. LUCHT-205NTO50000000274958
1851-05-08T13:0021.48-20.6249.3VM8-195NNO5V030000000274959
1851-05-09T13:0018.05-21.133529.3VM8-195NTO5V000000000274960
1851-05-10T13:0015.03-21.173419.3VM8-195N5V000000000274961
1851-05-11T13:0012.15-21.20166.7VM8-184NNO, NOTN4V000000000274962
1851-05-12T13:009.68-21.203429.3VM8-185N50000000274963
1851-05-13T13:007.90-21.07166.7VM8-184N, NOTN4V03, V060000000274964
1851-05-14T13:005.88-20.703622.6VM8-182OMLOPEND2W20AFWISSELENDE REGENACHTIGE LUCHT0100000274965
1851-05-15T13:005.10-20.551626.7VM8-184ZZW, Z4V040000000274966
1851-05-16T13:004.45-19.171172.6VM8-182ZO2V050000000274967
1851-05-17T13:003.97-17.221272.6VM8-192Z, ZOTZ2REGENACHTIGV050100000274968
1851-05-18T13:003.38-17.703622.6VM8-182WZW, OMLOPEND2W00W20V031100000274969
1851-05-19T13:002.92-17.531519.3VM8-185ZZO, Z, ZTO5V040000000274970
1851-05-20T13:002.38-18.551079.3VM8-175ZOTZ, ZOTO5V000000000274971
1851-05-21T13:000.52-21.10969.3VM8-175ZO, OZO5V040000000274972
1851-05-22T13:00-1.50-22.33969.3VM8-175OZO5V040000000274973
1851-05-23T14:00-3.85-22.801099.3VM8-155ZOTO5V000000000274974
1851-05-24T14:00-6.42-24.571319.3VM8-155ZOTO, ZOTZ5W00W20V031100000274975
1851-05-25T14:00-8.42-25.571219.3VM8-145ZOTO, ZO5V03, V040000000274976
1851-05-26T14:00-10.58-26.631109.3VM8-145ZOTO5V000000000274977
1851-05-27T14:00-12.82-28.081369.3VM8AFWL.-105ZOTO, ZOTZ5V030000000274978
1851-05-28T14:00-15.38-29.751039.3VM8AFWL.-105OZO5W001000000274979
1851-05-29T14:00-17.73-30.971369.3VM8AFWL.-105ZOTZ5V000000000274980
1851-05-30T14:00-20.15-32.631079.3VM8-65OZO5Z00V040000000274981
1851-05-31T14:00-22.78-34.07406.7VM8-54OTN, NO4V00, V040000000274982
1851-06-01T14:00-24.70-33.433102.6VM8-52NW2V000000000274983
1851-06-02T14:00-25.62-32.6011912.3VM8-56ZOTO6V03, V000000000274984
1851-06-03T14:00-26.70-33.001084.6VM8-53OZO3V040000000274985
1851-06-04T14:00-28.55-33.420.0VM8-4STILV040000000274986
1851-06-05T14:00-28.65-33.5217612.3VM8-46W, Z6W200100000274987
1851-06-06T14:00-30.10-31.5213912.3VM8-76ZOTZ6Z01V100000000274988
1851-06-07T14:00-29.18-27.9212819.0VM8-78ZO8W01Z011000000274989
1851-06-08T14:00-27.17-25.4811212.3VM8-126ZOTO6V00, V020000000274990
1851-06-09T14:00-28.95-26.901359.3VM8-115ZOTO, ZOTZ5V060000000274991
1851-06-10T14:00-30.50-28.451961.0VM8-71ZZW1AFWL0000000274992
1851-06-11T14:00-31.68-29.15166.7VM8AFW. REGENACHTIGE LUCHT-74NOTN, NNO4W20V030100000274993
1851-06-12T14:00-32.63-28.053546.7VM8-64NNO, N40000000274994
1851-06-13T14:00-33.33-25.62149.3VM8-95NNO5V03, V000000000274995
1851-06-14T14:00-33.92-23.673409.3VM8-95N, NNO, NTW5AFWLW200100000274996
1851-06-15T13:00-34.30-20.2734815.4VM8-137N7AFWLV10, V050000000274997
1851-06-16T13:00-34.62-16.352209.3VM8-165NW, WZW, ZWTW5V04, V100000000274998
1851-06-17T13:00-34.17-12.52406.7VM8V04-164NOTO40000000274999
1851-06-18T13:00-34.80-10.573419.3VM8-195N5REGENVLAGENV030100000275000
1851-06-19T13:00-34.88-7.783419.3VM8-195NTO, N5AFWLV050000000275001
1851-06-20T12:00-35.05-3.5033812.3VM8-226N6V100000000275002
1851-06-21T12:00-35.170.523596.7VM8AFWISSELENDE REGEN-244NO, O, NNO4W20REGENACHTIGE LUCHT0100000275003
1851-06-22T12:00-35.932.62649.3VM8-265ONO, O5W21V050100000275004
1851-06-23T12:00-36.825.301321.0VM8-261OTZ, O, ZZO1W20V03, V000100000275005
1851-06-24T12:00-36.455.85989.3VM8-265ZO, ZOTO5W20V10, V040100000275006
1851-06-25T11:00-35.127.771414.6VM8-283ZZO, ZTO3W20V03, V040100000275007
1851-06-26T11:00-34.309.852659.3VM8-285ZW, WNW5V040000000275008
1851-06-27T11:00-34.3511.022659.3VM8AFWISSELEND REGEN-285WNW5W20V030100000275009
1851-06-28T11:00-34.6214.239515.4VM8-297ZOTO7V00, V010000000275010
1851-06-29T11:00-33.7816.673912.3VM8-296OTN, ONO6H000000000275011
1851-06-30T11:00-33.6818.352961VM8-30NWTN0000000275012