Surface Marine Observations (DSI-1127)
Entry ID:
gov.noaa.ncdc.C00067
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Summary
Abstract:
Surface Marine Observations is historical digital data set DSI-1127, archived at the National Climatic Data Center (NCDC). The major parameters making up this file are sky condition, visibility, present and past weather, wind speed and direction, temperatures (both sea and air), sea and swell wave data, and pressure ... data. This marine data file contains data from ship logs, ship weather reporting forms, published ship observations, automatic observing buoys and teletype reports from the U.S. and several foreign meteorological services. The National Climatic Data Center (NCDC) began with the 1970's marine data, to uniformly edit and merge these data into a single file. The resultant DSI-1127 is a higher quality data base which provides more economical service to users of surface marine data. Related files include Marine Data DSI-1100 (C00001) maintained in the NCDC library. The NCDC reviewed all available marine data sources for quality and uniqueness and selected only those which added significantly to the 1970's decade dataset. The NCDC corrected all known errors, converted the data to the common DSI-1127 format, quality controlled the data, assembled the data from the different sources, and eliminated duplicate observations. The 1970's decade files were sorted and inventoried by 10 degree marsden squares (gridded map of the marsden square numbering system can be obtained from NCDC). Much of the processing software, including quality control tests, were originally developed for the First GARP Global Experiment (FGGE) project at the NCDC.
Purpose:
To make a wide range of climatic data available to researchers and the public. SUPPLEMENTAL INFORMATION: data set CURRENTNESS REFERENCE: Ground Condition
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Description:
View Source Metadata document from the Metadata Manager and Repository (NMMR).
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Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
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N: 90.0
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S: -90.0
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E: 180.0
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W: -180.0
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Data Set Citation
Dataset Originator/Creator:
National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
Dataset Title:
Surface Marine Observations (DSI-1127)
Dataset Release Date:
Unknown
Data Presentation Form:
tabular digital data
Online Resource:
http://www.ncdc.noaa.gov
Temporal Coverage
Start Date:
1970-01-01
Stop Date:
1979-12-31
Quality
ATTRIBUTE ACCURACY REPORT: Quality control procedures checked each marine observation for internal consistency, extreme values, legal codes, and ship position changes. The results of the editing are then passed to the user in the form of quality indicators (flags). In this processing system the original are left unchanged. Edited ... observation elements are: ship position wind speed wind direction visibility present weather past weather pressure tendency dry bulb dew point wet bulb sea temp air temp air-sea temp difference clouds wind waves swell waves the sea surface temperature indicator bucket or intake for U.S. ships was not well documented prior to April 1973. The indicator (position 99) is reliable only for observations taken after that date. APPENDIX: TESTS PERFORMED BY QUALITY CONTROL PROGRAM SHIP POSITION (One flag shred by Mardsen Square, latitude, longitude, quadrant, year, month, day, and hour) FLAG VALUE ASSIGNED: C CONDITIONS FOR SETTING FLAG: Two or more observations within .5 degree both latitude and longitude Best observation by code FLAG VALUE ASSIGNED: K CONDITIONS FOR SETTING FLAG: Worst observation of above Latitude change > 0.7 degrees per hour Longitude Changes Within Latitude Bands (Degrees/Hour) 0.7 00-39.9 or 1.0 40-49.9 or 1.4 50-59.9 or 2.0 60-69.9 or 2.7 70-75.0 Two or more observations from the same ship at same time, but different Mardsen Square FLAG VALUE ASSIGNED: M CONDITIONS FOR SETTING FLAG: Quadrant not = 1-4 Latitude > 90.0 Longitude > 180.0 Latitude not numeric Longitude not numeric Year month day hour not numeric Month not > 00 and < 13 Day not > 00 and < 32 Hour > 24 Land-locked Mardsen Square No extremes - data FLAG VALUE ASSIGNED: A CONDITIONS FOR SETTING FLAG: Direction = spaces and speed = 00 Direction > 00 and < 37 speed = 00 Direction = 00 and speed not equal spaces, or 000, or not >006 Direction = 00 and speed = spaces Direction = 99 and speed = 000 Direction = spaces and speed > 000 and < 007 Direction = 00 and speed > 006 If sea height >00 set sea flag to A FLAG VALUE ASSIGNED: J CONDITIONS FOR SETTING FLAG: Direction = 99 and speed >006 See swell and wave FLAG VALUE ASSIGNED: M CONDITIONS FOR SETTING FLAG: Direction = spaces and speed not = 000 or speed not > 000 and < 007 Direction > 000 and < 007 Direction > 00 and < 37 and speed = spaces direction > 00 and <37 and speed = 000 and sea height >00 FLAG VALUE ASSIGNED: Q CONDITIONS FOR SETTING FLAG: Speed > 200 FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: Wind indicator, direction and speed = spaces, or wind direction and speed = spaces VISIBILITY FLAG VALUE ASSIGNED: M CONDITIONS FOR SETTING FLAG: visibility not numeric visibility < 90 FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: visibility = spaces PAST WEATHER FLAG VALUE ASSIGNED: M CONDITIONS FOR SETTING FLAG: Past weather not numeric FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: Past weather = spaces FLAG VALUE ASSIGNED: J CONDITIONS FOR SETTING FLAG: Dry bulb greater than or equal to 14.1 and past weather = 7 (snow or rain and snow mixed) PRESSURE FLAG VALUE ASSIGNED: K CONDITIONS FOR SETTING FLAG: Pressure change > 5.0 mbs/hr FLAG VALUE ASSIGNED: L CONDITIONS FOR SETTING FLAG: Pressure lies outside mean X value +/- 4.80 FLAG VALUE ASSIGNED: Q CONDITIONS FOR SETTING FLAG: Pressure lies outside mean X value +/- 5.80 Pressure not > 919.0 and < 1061.0 mbs. FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: Pressure = spaces DRY BULB FLAG VALUE ASSIGNED: J CONDITIONS FOR SETTING FLAG: Dry bulb <-2.2 C and present weather 80-82 or > 88, flag dry bulb, wet bulb, and dew point. Dry bulb greater than or equal to 8.0 C and present weather 70-75, flag dry bulb, wet bulb, and dew point. FLAG VALUE ASSIGNED: K CONDITIONS FOR SETTING FLAG: Dry bulb change > 5.0 C/hr, flag dry bulb, wet bulb, and dew point. FLAG VALUE ASSIGNED: L Dry bulb outside mean X value +/- 4.80, flag dry bulb, wet bulb, and dew point. FLAG VALUE ASSIGNED: N CONDITIONS FOR SETTING FLAG: Dry bulb greater than or equal to dew point and wet bulb, and wet bulb < dew point, flag dry bulb, wet bulb, and dew point. Dry bulb < dew point or wet bulb by more than 0.5 C, flag dry bulb, wet bulb, and dew point. FLAG VALUE ASSIGNED: Q CONDITIONS FOR SETTING FLAG: Dry bulb outside mean X value +/- 5.80, flag dry bulb, wet bulb and dew point. FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: Dry bulb = spaces All temperature fields = spaces SEA TEMPERATURE FLAG VALUE ASSIGNED: K CONDITIONS FOR SETTING FLAG: Sea-temperature change > 3.0 C/hr FLAG VALUE ASSIGNED: L CONDITIONS FOR SETTING FLAG: Sea-temperature outside mean X value +/- 4.80 FLAG VALUE ASSIGNED: Q CONDITIONS FOR SETTING FLAG: Sea-temperature outside mean X value +/- 5.80 Sea-temperature < -2.8 C FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: Sea-temperature = spaces PRESSURE TENDENCY (Shared by tendency, amount pressure change) FLAG VALUE ASSIGNED: K CONDITIONS FOR SETTING FLAG: Pressure change > 15.0 mb FLAG VALUE ASSIGNED: M CONDITIONS FOR SETTING FLAG: Pressure tendency not 0-8 Pressure tendency = 4 and pressure change not = 000 FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: Pressure change = spaces or not numeric PRESENT WEATHER FLAG VALUE ASSIGNED: B CONDITIONS FOR SETTING FLAG: Visibility = 97 or 98 and present weather = 52-55, 59, 62, 63, 65, 69, or 72-75. Total cloud = 9, present weather = 42, 44, 46, or 48 Visibility > 93 and < 99 and present weather > 41 and < 50 Total cloud = 1-8, present weather = 43, 45, 47, or 49 Dry bulb < -2.2 C and present weather = 50-55, 58-65, or 83-84 Dry bulb > 2.2 C and present weather = 48, 49, 56, 57, 66, or 67 Dry bulb > 8.0 C and present weather = 83-86, or 68-69 FLAG VALUE ASSIGNED: J CONDITIONS FOR SETTING FLAG: Visibility < 97 and present weather less than or equal to 03. Also if the visibility flag = 0 or < 'J', set it to 'J'. Visibility = 99 and present weather 4-10 or 30-39. Also if the visibility flag = 0 or < 'J', set it to 'J'. Visibility 95 or 96 and wind speed <009 and present weather = 33-37. Also if the visibility flag = 0 or < 'J', set it to 'J'. Total cloud = low cloud = 0, present weather = 43, 45, 47, or 49-99. Also set cloud flag to B. Total cloud = low cloud = 9, present weather not equal to spaces, 4-12, 30-39, 41, 43, 45, 47, or 49-99. Also if cloud flag = 0 or < 'J' set it to 'J' Visibility = 90-93 and present weather = 10. Also if the visibility flag = 0 or < 'J', set it to 'J'. Dry bulb > 8.0 C present weather = 36-39 FLAG VALUE ASSIGNED: L CONDITIONS FOR SETTING FLAG: Lat < 20.0 and present weather = 22-24, 26, 36-39, 48, 49, 56, 57, 66-79, 83, 88, or 93-95 FLAG VALUE ASSIGNED: M CONDITIONS FOR SETTING FLAG: Present weather not numeric FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: Present weather = spaces DEW POINT *(Shared with wet bulb) FLAG VALUE ASSIGNED: B CONDITIONS FOR SETTING FLAG: Dew point > dry bulb by less than or equal to 0.5 C FLAG VALUE ASSIGNED: J CONDITIONS FOR SETTING FLAG: See dry bulb FLAG VALUE ASSIGNED: K CONDITIONS FOR SETTING FLAG: See dry bulb Dew point change > 5.0 C/hr FLAG VALUE ASSIGNED: L CONDITIONS FOR SETTING FLAG: Dry bulb outside mean X value +/- 4.80 Dew point outside mean X value +/- 4.80 FLAG VALUE ASSIGNED: N CONDITIONS FOR SETTING FLAG: See dry bulb FLAG VALUE ASSIGNED: Q CONDITIONS FOR SETTING FLAG: See dry bulb Dew point outside mean X value +/- 5.80 FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: All temperature fields = spaces If dew point = spaces and either dry bulb or wet bulb = spaces Dew point = spaces after attempted computation WET BULB * FLAG VALUE ASSIGNED: B CONDITIONS FOR SETTING FLAG: Wet bulb > dry bulb by less than or equal to 0.5 C FLAG VALUE ASSIGNED: J CONDITIONS FOR SETTING FLAG: See wet bulb FLAG VALUE ASSIGNED: K CONDITIONS FOR SETTING FLAG: See Dry bulb FLAG VALUE ASSIGNED: L CONDITIONS FOR SETTING FLAG: Wet bulb outside mean X value +/- 4.80 See dry bulb FLAG VALUE ASSIGNED: N CONDITIONS FOR SETTING FLAG: See dry bulb FLAG VALUE ASSIGNED: Q CONDITIONS FOR SETTING FLAG: See dry bulb wet bulb outside mean X value +/- 5.80 FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: All temperatures fields = spaces If wet bulb = spaces and either dry bulb or dew point = spaces Wet bulb = spaces after attempted computation * If dew point flag = 'R' then use wet bulb flag, otherwise use dew point flag. CLOUDS FLAG VALUE ASSIGNED: A CONDITIONS FOR SETTING FLAG: Total cloud, low cloud, low type, low height, middle type or high type = space. Total type or high type = space. Total cloud or low cloud = '-' Total cloud = 9 and low type not = '-' Total cloud = 9 and middle type not = '-' Total cloud = 9 and height not = '-' and not = 0 Total cloud = 8 and (low type not = '-' and not = 0) and (middle type not = '-' and not = 0) and (high type not = '-' and = 8 or = 9). Low type = '-' or not = 0 and height not = '-' and = 9 Total cloud < 7 and (high type not = '-' and = 7) Total cloud = 9 and high type not = '-' Total cloud = 0 and low type = '-' or > 0 Total cloud = 0 and middle type and '-' or > 0 Total cloud = 0 and high type = '-' or > 0 Total cloud = 0 and height = '-' or < 9 Total cloud > low cloud and (low type not = '-' and = 0) and (high type not = '-' and = 0) Total cloud > low cloud and (middle type not = '-' and = 0) and (high type not = '-' and = 0) Total cloud > 0 and (low type not = '-' and = 0) and (middle type not = '-' and = 0) and (high type not = '-' and = 0) Total cloud > 0 and low cloud = 0 and (high type now = '-' and = 0) Total cloud > 0 and low cloud = 0 and (high type not = '-' and not = 0) and height not = '-' and not = 0) Low cloud = 0 or 9 and (height not = '-' and > 0 and < 9) Low cloud = 8 and (low type not = '-' and > 0) and (middle type not = '-') Low cloud = 0 (low type = '-' or > 0) Low cloud = 0 and (middle = '-' or > 0) Low cloud = 8 or 9 and high type not = '-' Low cloud = 9 and middle type not = '-' Low cloud = 9 and low type not = '-' Low cloud > 0 and (low type not = '-' and = 0) and (middle type not = '-' and = 0) Low type not = '-' and > 0 and < 6 and (height not = '-' and < 2) Low type not = '-' and = 8 or 9 and height not = '-' and < 2 Low type not = '-' and = 0 and (middle type not = '-' and > 0) and (height not = '-' and < 7) FLAG VALUE ASSIGNED: B CONDITIONS FOR SETTING FLAG: Total cloud = 0 and low cloud = 8 or 9 Total cloud < 8 and low cloud = 8 Total cloud < 8 and low cloud = 9 and present weather not equal to spaces, 04-12, or 30-99 Total cloud < 8 and low cloud = 9 and present weather = spaces, 04-12, or 30-99 Total cloud = 8 and low cloud = 9 and present weather = spaces, 41, 43, 45, or 47, > 48, 30-39, or 04-12. Also, of height not equal to spaces or '-' Total cloud = 8 and low cloud = 9, present weather not equal to above Total cloud = 9 and low cloud = 8, present weather not equal to spaces, 4-12, 30-39, 41, 43, 45, 47, 49, or 50-99 Total cloud = 9 and low cloud not equal to 9 or space, present weather = spaces, 4-12, 30-39, 41, 43, 45, 47, or 49-99. Also, if height not equal to spaces or 0 or '-' Total cloud = low cloud = 9, and present weather = spaces, 4-12, 30-39, 41, 43, 45, 47, 49-99 and if height is not equal to spaces, 0 or '-' Total cloud = low cloud = 0 and if height is not equal to 9 and present weather = 43, 45, 47 or 49-99. Also flag present weather 'J' Total cloud = low cloud = 9, and present weather is not equal to spaces, 4-19, 30-39, 41, 43, 45, 47, or 49-99 and height is not equal to spaces, 0, or '-' FLAG VALUE ASSIGNED: J CONDITIONS FOR SETTING FLAG: Total cloud = spaced or '-' and low cloud < 8 Total cloud = 0 and low cloud > 0 and < 8 Total cloud < 8 and low cloud is not equal to 8 or 9 and > total cloud FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: Cloud field = spaces, or '------', or '--- ---', or '- ' Also see present weather for additional information. SEA WAVES (Year is greater than or equal to 1968 unless stated otherwise) FLAG VALUE ASSIGNED: A CONDITIONS FOR SETTING FLAG: Wind direction = 00 and wind speed > 006 FLAG VALUE ASSIGNED: B CONDITIONS FOR SETTING FLAG: Wave direction > 00 and < 37, or = 99 and wave height > 00, wave period = ' '. (see J Flag) Wave direction > 00 and < 37, or = 99 and wave height > 00 and wave period is not equal to ' ' or '-', then if WAVE HEIGHT WAVE PERIOD > 54 and less than or equal (LTE) to 6 and greater than or equal (GTE) to 2 or > 40 and LTE 5 and GTE 2 or > 29 and LTE 4 and GTE 2 or > 20 and 2 or 3 or > 12 and = 2 or > 05 and = 1 or = 05 and < 2 or = 04 and < 2 or = 9 or = 03 and < 2 or = 8 or 9 or = 02 and < 2 or > 6 or = 01 and < 2 or > 5 Wave direction = 00 and wave height = 00 and wave period = '-' or 2 Wave direction = 99 and wave height = 0 Wave direction > 00 and < 37 and wave height = 00 and period = ' ' Date = January-June 1963 and direction > 50 and < 87 Year < 1968 and GTE 1964, or not equal to 1963, or > June 1963; Direction not > 36 and < 49, height > 00 and direction not equal to and period not equal to space or Direction not > 36 and < 49 and height not > 00 or = 00 or not equal to spaces or Direction not > 36 and < 49 and height > 00 and not equal to spaces or Direction not > 36 and < 49 and height = 00 and Direction not equal to spaces, 49 or 99, or not > 00 and < 37 or Direction not > 36 and < 49 and height = spaces and dir not equal to 00 or Height = 00 and direction = 49, 99 or > 00 and < 37 and period not equal to or 1 and not < 5 Then if HEIGHT and PERIOD >54 > 1 and < 7 or > 40 > 1 and < 6 or > 29 > 1 and < 5 or > 20 = 2 or 3 or > 12 = 2 or > 05 = 1 or = 04 = 9 or = 03 = 8 or 9 or = 02 > 06 or = 01 > 5 or = 01-05 = 0 or 1 Year < 1968 and GTE 1964, or not equal to 1963, or > June 1963 and direction not > 36 and < 49 and height > 00 and direction not equal to 00 and period = space Year < 1968 and GTE 1964, or not equal to 1963, or > June 1963, and height = 00 and direction = spaces and period < 3 Year < 1968 and GTE 1964, or not equal to 1963, or > June 1963, height = 00 and direction = 49, 99 or > 00 and < 37 and period = 00 or 1 Year < 1968 and GTE 1964, or not equal to 1963, or > June 1963, height = spaces and direction = 00 and period < 3 FLAG VALUE ASSIGNED: J CONDITIONS FOR SETTING FLAG: Direction > 00 and < 37, height = 00, period = '-' or '2' or '3' or '4' and sea temperature > 019 set flag. Also, and if wind flag = 0 or < J, flag ir 'J'. * If wind flag and sea temperature flag = 0 and sea temperature > 019 and HEIGHT and PERIOD 01 > 21 or 02 > 33 or 03 > 47 or if wind flag and sea temperature flag = 0 and sea temperature not > 019 and HEIGHT and PERIOD > 36 < 048 or > 24 < 034 or > 15 < 022 or > 11 < 011 or > 09 < 004 Set flag and if wind flag = 0 or < J, set wind flag 'J'. **Year GTE 1963 and wind flag and dry bulb flag = 0 and dry bulb not > 019 and PERIOD and HEIGHT > 047 < 04 or > 033 < 03 or > 021 < 02 or > 013 < 01 FLAG VALUE ASSIGNED: M CONDITIONS FOR SETTING FLAG: Wave height and period = spaces Direction not > 00 and < 37, or not equal to 99, spaces, or 00 Direction = 00 and height not equal to 00 Direction = to spaces and height not equal to 00 Direction > 00 and < 37 or = 99 and height not numeric Height or direction = spaces FLAG VALUE ASSIGNED: N CONDITIONS FOR SETTING FLAG: Direction = height = 00 and period not equal to ' ' or '-' or '2' Direction > 00 and < 37 and height = 00 and period not equal to ' ' or '-' or '2' or '3' or '4' Year < 1968 and GTE 1964, or not equal to 1963, or > June 1963 and direction > 36 and < 49, or height = 00 and direction = spaces and period GTE 3, or Height = 00 and direction = 49 or 99, or > 00 and < 37 and period not equal to 0 or 1 and < 5 FLAG VALUE ASSIGNED: Q CONDITIONS FOR SETTING FLAG: Height > 70 FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: Sea wave direction, period and height = spaces SWELL WAVES (year is GTE 1968 unless stated otherwise) FLAG VALUE ASSIGNED: B CONDITIONS FOR SETTING FLAG: Swell direction = 00 and swell height = 00 Swell direction = 99 and height = 00 Direction = spaces and height = 00 and period = spaces, '-', 0, or > 0 and < 6 Direction = 00 and height and = spaces, zeroes or '--' and period = spaces, '-', 0, or > 0 and < 6 Direction > 00 and < 37, or = 99 and height = 02, period = 3 or 4 Direction > 00 and < 37, or = 99 and height = 01, period = 3 or 4 Year > 1963, or > June 1963, then: direction not > 36 and < 49, height > 00, direction not equal to 00 and period not equal to spaces, or > 00 and not equal to space, direction = 00 or height = 00 and direction is not equal to spaces, or 49, 99 and not > 00 and < 37, or direction is not equal to 00 and height = spaces Then if HEIGHT and PERIOD = 01-05 = 0 and 1 or > 54 > 1 and < 7 or > 40 > 1 and < 6 or 29 > 1 and < 5 or 20 = 2 or 3 or > 12 = 2 or > 05 = 1 or = 04 = 9 or = 03 = 8 or = 02 = 6 or = 01 > 5 Date January-June 1963 Year > 1963, or not equal to 1963, or > June 1963 then: Direction not > 36 and < 49 and height > 00 and direction not equal to 00 and period = space, or height = 00 and direction = spaces and period < 3; or height = 00 and direction = 49 or 99 or > 00 and < 37 and period = 0 or 1, or height = 00 and direction = 49 or 99 or > 00 and < 37 and period not < 5, or height = spaces and direction = 00 and period < 3 Direction > 00 and < 37, or = 99 and HEIGHT and PERIOD > 54 not equal to 4 or > 40 not equal to 2 or 3 or 4 or > 29 > 4 or 20 = 5 or 6 or 7 or 12 = 5 Year > 1963, or not equal to 1963 or > June 1963 then: direction not > 36 and < 49 or not equal to 00 and height > 00 and period not equal to space, or height not > 00 and not equal to 00 or spaces, or height = spaces and direction not equal to 00, or height = 00 and direction = 00 Then if HEIGHT and PERIOD > 54 not > 1 and < 7 or > 40 not > 1 and < 6 or > 29 not > 1 and < 5 or > 20 not equal to 2 or 3 or > 12 not equal to 2 or > 05 not equal to 1 or > 05 not equal to 0 or ' Also, if wind flag = 0 and dry bulb flag = 0 and dry bulb temperature not > 019, then if WIND SPEED and WAVE HEIGHT > 047 < 04 or > 033 < 03 or > 021 < 02 or > 013 < 01 FLAG VALUE ASSIGNED: M CONDITIONS FOR SETTING FLAG: Swell direction > 36 and < 99 Swell direction not > 36 and < 99, or not > 00 and < 37, or not equal to 99, spaces, 00 Swell direction > 00 and < 37, or = 99 and height and numeric Swell direction = 00 and height not equal to spaces or zeroes or '--' Swell direction = spaces and height not equal to 00 Swell direction = spaces or height = spaces FLAG VALUE ASSIGNED: N CONDITIONS FOR SETTING FLAG: Swell direction, period, and height = '11111' or '99111' Swell direction > 00 and < 37 and height not > 00 and period = '9' Wave direction = 00 and height = spaces or zeroes or '--' and period is not equal to spaces, '-', or 0 and not > 0 and < 6 Year > 1963, or not equal to 1963, or > June 1963, then direction > 36 and < 49, or height = 00 and direction = spaces and period not < 3, or height = 00 and direction = 49, 99 or > 00 and < 37 and period not equal to 0 or 1 and < 5, or direction = 00 and height = spaces and period not < 3 FLAG VALUE ASSIGNED: Q CONDITIONS FOR SETTING FLAG: Swell height > 70 FLAG VALUE ASSIGNED: S CONDITIONS FOR SETTING FLAG: Swell direction, period, and height = spaces Swell direction, period, and height = '----' LOGICAL CONSISTENCY REPORT: Unknown COMPLETENESS REPORT: Completeness information not available. LINEAGE/PROCESS STEP: PROCESS DESCRIPTION: Unknown PROCESS DATE: Unknown 
Access Constraints
ACCESS CONSTRAINTS: None DISTRIBUTION LIABILITY: Every effort has been made to ensure that these data are accurate and reliable within the limits of current NOAA quality control procedures. NOAA can only certify that the data provided to its customers is an authentic copy of the records which were accepted for inclusion in NOAA archives. NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
Use Constraints
None
Data Set Progress
COMPLETE
Personnel
Role:
DIF AUTHOR
Phone:
828-271-4800
Fax:
828-271-4876
Email:
ncdc.orders at noaa.gov
Contact Address:
151 Patton Avenue, Room 120
City:
Asheville
Province or State:
NC
Postal Code:
28801-5001
Country:
USA
Creation and Review Dates
DIF Creation Date:
2006-12-01
Last DIF Revision Date:
2011-07-21
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