* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FILE 1. HEADER FILE *** WEATHER SUMMARY FILES FOR MAR 1 TO MAR 31, 2017 *** CREATION DATE OF THESE FILES: May 15, 2017 *** FILES CREATED BY: GEORGE G. FULWOOD ************************************************************************** *** FILE #1. **** HEADER FILE WHICH EXPLAINS THE CONTENTS OF THE FILES. LOGICAL RECORD LENGTH IS 80 CHARACTERS AND BLOCK SIZE IS 2000 CHARACTERS. ************************************************************************** *** FILE #2 **** DAILY SUMMARIZED VALUES OF MAXIMUM TEMPERATURE, MINIMUM TEMPERATURE AND PRECIPITATION FOR EACH REPORTING STATION FOR ONE MONTH. LOGICAL RECORD LENGTH IS 179 CHARACTERS AND BLOCK SIZE IS 12888 CHARACTERS. ************************************************************************** *** FILE #3 **** MONTHLY SUMMARY OF UP TO 31 DAILY SUMMARY FILES. AVERAGE TEMPERATURES HAVE BEEN COMPUTED FROM THE DAILY MAXIMA AND MINIMA FOR EACH STATION. THE HIGHEST AND LOWEST TEMPERATURES REPORTED DURING LOWEST TEMPERATURES REPORTED DURING THE MONTH AND THEIR DATES, THE TOTAL ACCUMULATED PRECIPITATION FOR THE MONTH, AND THE NUMBER OF REPORTS WITH PRESENT OR PAST WEATHER CODES INDICATING THE OCCURRENCE OF PRECIPITATION ARE ALSO SAVED. LOGICAL RECORD LENGTH IS 232 CHARACTERS BLOCK SIZE 12992 CHARACTERS. ************************************************************************** *** FILE #4 **** STATION LIBRARY CONSISTING OF THE LOCATION IDENTIFIER, LATITUDE, LONGITUDE, ELEVATION, COUNTRY NUMBER, REGION NUMBER, QUALITY INDICATOR, CALL LETTERS, STATION NAME AND COUNTRY NAME. LOGICAL RECORD LENGTH 80 CHARACTERS, BLOCK SIZE IS 12960 CHARACTERS. ************************************************************************** THESE FILES CONTAIN SUMMARIZED DATA WHICH HAVE BEEN EXTRACTED FROM SURFACE SYNOPTIC WEATHER OBSERVATIONS, EXCHANGED ON THE GLOBAL TELECOMMUNICATIONS SYSTEMS (GTS). THE NATIONAL METEOROLOGICAL CENTER (NMC) OF NOAA MAINTAINS AN ARCHIVE FILE OF THE COMPLETE SURFACE SYNOPTIC REPORTS WHICH ARE RECEIVED FROM THE GTS. THE CLIMATE ANALYSIS CENTER (CAC) EXTRACTS PORTIONS OF THESE NMC ARCHIVE FILES, PERFORMS AN AUTOMATED DECODE OF EXTREME TEMPERATURES AND ACCUMULATED PRECIPITATION ACCORDING TO WMO CODE MANUALS, AND PERFORMS LIMITED AUTOMATED VALIDATION OF THE PARAMETERS. THE DATA FOR ALL REPORTING STATIONS ARE SUMMARIZED ON A DAILY BASIS TO SATISFY CURRENT OPERATIONAL REQUIREMENTS RELATED TO THE ASSESSMENT OF CROP AND ENERGY PRODUCTION. IF THE MAXIMUM OR MINIMUM TEMPERATURES ARE NOT REPORTED THEY ARE ESTIMATED FROM REPORTED AIR TEMPERATURES IN THE REGULAR SYNOPTIC REPORTS WHEN SUFFICIENT DATA EXIST. *** NOTE- THE SNOW FILE IS ONLY AVAILABLE FOR THE PERIOD *** OCTOBER 1977 TO DECEMBER 1986 FOR FURTHER INFORMATION CONCERNING DATA IN THESE FILES PLEASE CONTACT: GEORGE FULWOOD/BOB CHURCHILL/JOANNA DIONNE CLIMATE ANALYSIS CENTER W/NP53, WWB, ROOM 811 WASHINGTON, DC 20233 TELEPHONE: 301-763-8000 X 7503 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FILE 2. DAILY SUMMARY FILE. RECORD FORMAT - FB (FIXED BLOCK LENGTH) LOGICAL RECORD LENGTH - 179 CHARACTERS THE FOLLOWING PARAMETER LIST AND FORMAT MAY BE USED TO READ A LOGICAL RECORD: DIMENSION IWW(8),ISKWND(3,8) CHARACTER*5 BKIDN READ(8,10) IDATE,BKIDN,RMAX,RMIN,RPRCP,EPRCP,VP,POTEV, VPD,SLP06,SLP12,SLP18,SLP00,APTMX,CHILLM,RAD,MAXFL,MINFL,IFPRQ, IFPRT,NOBS,NOBSP,NOPE,NTRACE,IWW,MXRH,MNRH,IFVPQ,ISKWND,ISNOW FORMAT(1X,I8,A5,2F5.1,2F6.1,3F6.2,5F6.1,F5.1,F5.2,8I1,8A1,2I3,1X,I1, X8(2I2,I3),I5) THIS FILE CONTAINS THE FOLLOWING FIELDS: 1. IDATE-GREENWICH MEAN DATE OF DATA, IN THE FORM YYYYMMDD. FORMAT - I8 2. BKIDN- WMO 5-DIGIT STATION IDENTIFIER OR 99 FOLOWED BY A 3 LETTER AIRWAYS CALLSIGN FOR THOSE LOCATIONS FOR WHICH NO WMO NUMBER HAS BEEN ASSIGNED. FORMAT - A5 3. RMAX-24 HOUR MAXIMUM TEMPERATURE. MAY BE ESTIMATED FROM REPORTED SYNOPTIC AIR TEMPERATURES IF SUFFICIENT DATA EXIST. UNITS - DEGREES CELSIUS. FORMAT - F5.1 MISSING - -99.9 4. RMIN-24 HOUR MINIMUM TEMPERATURE. MAY BE ESTIMATED FROM REPORTED SYNOPTIC AIR TEMPERATURES IF SUFFICIENT DATA EXIST. UNITS - DEGREES CELSIUS. FORMAT - F5.1 MISSING - -99.9 5. RPRCP-TOTAL OF PRECIPITATION REPORTED DURING THE 24 HOUR PERIOD. THIS AMOUNT MAY INCLUDE PRECIPITATION WHICH FELL DURING THE PREVIOUS 24 HOUR PERIOD PUT WAS NOT INCLUDED IN THE PREVIOUS DAYS SUMMARY RECORD. UNITS - MILLIMETERS. FORMAT - F6.1 MISSING - -99.9 6. EPRCP-TOTAL OF PRECIPITATION INCLUDING ESTIMATES FOR ANY PERIOD FOR WHICH THERE WAS NO REPORTED AMOUNT. UNITS - MILLIMETERS. FORMAT - F6.1 MISSING - -99.9 7. VP-VAPOR PRESSURE UNITS - MILLIBARS FORMAT - F6.2 MISSING - -9.99 8. POTEV-POTENTIAL EVAPOTRANSPIRATION UNITS - MILLIMETERS FORMAT - F6.2 MISSING - -9.99 9. VPD-VAPOR PRESSURE DEFICIT UNITS - MILLIBARS FORMAT - F6.2 MISSING - -9.99 10. SLP06-0600Z SEA LEVEL PRESSURE 11. SLP12-1200Z SEA LEVEL PRESSURE 12. SLP18-1800Z SEA LEVEL PRESSURE 13. SLP00-0000Z SEA LEVEL PRESSURE UNITS - MILLIBARS FORMAT - F6.1 MISSING - -99.9 14. APTMX-MAXIMUM APPARENT TEMPERATURE UNITS - DEGREES CELSIUS FORMAT - F6.1 MISSING - -99.9 15. CHILLM-MINIMUM WIND CHILL UNITS - DEGREES CELSIUS FORMAT - F5.1 MISSING - -99.9 16. RAD-NET RADIATION UNITS - ??? FORMAT - F5.2 MISSING - -9.99 17. MAXFL-MAXIMUM TEMPERATURE FLAG. 0 - VALUE FROM REPORTED EXTREME TEMPERATURE 1-3 - VALUE DERIVED FROM AIR TEMPERATURES 9 EXTREME TEMPERATURE MISSING FORMAT - I1 18. MINFL-MINIMUM TEMPERATURE FLAG. VALUES HAVE THE SAME MEANING AS FIELD 14. FORMAT - I1 19. IFPRQ-PRECIPITATION QUALITY FLAG 0 - THE AMOUNT WAS OBTAINED FROM A 24 HOUR PRECIPITATION VALUE. 3 - THE AMOUNT WAS OBTAINED FROM TOTALING REPORTED AMOUNTS FOR PERIODS LESS THAN 24 HOURS. 9 - THE REPORTED AMOUNTS WERE MISSING. FORMAT - I1 20. IFPRT-PRECIPITATION TIME FLAG INDICATING THE ENDING TIME OF THE 24 HOUR PERIOD THAT THE PRECIPITATION WAS SUMMARIZED. 1-0300Z 2-0600Z 3-0900Z 4-1200Z 5-1500Z 6-1800Z 7-2100Z 0-2400Z. A 9 INDICATES 0600Z ON THE DAY AFTER THE GREENWICH DATE INDICATED IN FIELD 1. FORMAT - I1 21. NOBS-NUMBER OF 3 HOUR PERIODS FOR WHICH AT LEAST ONE REPORTED WEATHER VALUE WAS RECEIVED. FORMAT - I1 22. NOBSP-NUMBER OF 3 HOUR PERIODS DURING THE DAY IN WHICH PAST OR PRESENT WEATHER INDICATED PRECIPITATION. WILL ALWAYS BE LESS THAN OR EQUAL TO FIELD 21. THE FOLLOWING TABLES OF PRESENT/PAST WEATHER ARE USED TO DETERMINE IF PRECIPITATION HAS OCCURRED: TABLE OF PRESENT WEATHER INDICATING PRECIPITATION OCCURRENCE AS DEFINED BY CEAS DERIVED FROM OFFICE NOTE 124, CODE TABLE 4. 0 - DOES NOT COUNT TOWARD NUMBER OF OBSERVATIONS WITH PRECIPITATION. 1 - COUNTS TOWARD NUMBER OF OBSERVATIONS WITH PRECIPITATION. 1'S DIGIT OF PRESENT WEATHER CODE 0 1 2 3 4 5 6 7 8 9 ---------------------------------------- 00 ! 0 0 0 0 0 0 0 0 0 0 10'S 10 ! 0 0 0 1 0 1 1 1 1 1 DIGIT 20 ! 1 1 1 1 1 1 1 1 0 1 OF 30 ! 0 0 0 0 0 0 0 0 0 0 PRESENT 40 ! 0 0 0 0 0 0 0 0 0 0 WEATHER 50 ! 1 1 1 1 1 1 1 1 1 1 CODE 60 ! 1 1 1 1 1 1 1 1 1 1 70 ! 1 1 1 1 1 1 1 1 1 1 80 ! 1 1 1 1 1 1 1 1 1 1 90 ! 1 1 1 1 1 1 1 1 1 1 ---------------------------------------- TABLE OF PAST WEATHER INDICATING PRECIPITATION OCCURRENCE AS DEFINED BY CEAS FROM NMC OFFICE NOTE 124, CODE TABLE 5 PAST WEATHER DIGIT 0 1 2 3 4 5 6 7 8 9 --------------------------------------- 0 0 0 0 0 1 1 1 1 1 FORMAT I1 23. NOPE-NUMBER OF 6 HOUR PERIODS THAT PRECIPITATION WAS ESTIMATED. FORMAT I1 24. NTRACE-PRECIPITATION TRACE INDICATOR 0 - NO PRECIPITATION OR A MEASURABLE AMOUNT RECEIVED. 1 - PRECIPITATION OF LESS THAN A MEASURABLE AMOUNT WAS RECEIVED. FORMAT I1 25-32. IWW-PRESENT/PAST WEATHER CHARACTER FLAGS. 8 - 1 CHARACTER FLAGS INDICATING GENERAL FORM OF MOST SIGNIFICANT PRESENT OR PAST WEATHER FOR EACH OF THE 8 SYNOPTIC REPORTING TIMES. THE POSITION OF THE FLAG FROM LEFT TO RIGHT INDICATES THE TIME OF OBSERVATION, I.E. POSITION 1 IS FOR THE FIRST 3 HOURS SUMMARIZED AND POSITION 8 IS FOR THE LAST 3 HOUR PERIOD THAT WAS SUMMARIZED FOR THAT STATION. A '-' INDICATES THAT NO STATION REPORT WAS AVAILABLE FOR THAT TIME PERIOD. '/' INDICATES NEITHER PRESENT NOR PAST WEATHER REPORTED. THE OTHER CODES AVAILABLE ARE IN THE FOLLOWING TABLES OF PRESENT/PAST WEATHER. TABLE OF PRESENT WEATHER CHARACTER FLAGS DERIVED FROM NMC OFFICE NOTE 124, CODE TABLE 4. 1'S DIGIT OF PRESENT WEATHER 0 1 2 3 4 5 6 7 8 9 ---------------------------------------- 10'S 00 ! 0 0 0 0 K H D D D D DIGIT 10 ! M G G U V X X T Q Y OF 20 ! L R S S Z R S A F T PRESENT 30 ! D D D D D D J J B B WEATHER 40 ! F F F F F F F F E E 50 ! L L L L L L Z Z R R 60 ! R R R R R R Z Z S S 70 ! S S S S S S I S C P 80 ! R R R S S S S S S A 90 ! A T T A A T A T T A ---------------------------------------- TABLE OF PAST WEATHER CHARACTER FLAGS. FROM NMC OFFICE NOTE 124, CODE TABLE 5. PAST WEATHER DIGIT 0 1 2 3 4 5 6 7 8 9 ------------------------------------- 0 0 0 B F L R S W T FORMAT 8A1. 33. MXRH-THE MAXIMUM RELATIVE HUMIDITY. FORMAT - I3. MISSING - -99 34. MNRH-THE MINIMUM RELATIVE HUMIDITY. FORMAT - I3. MISSING - -99 35. IFVPQ-VAPOR PRESSURE QUALITY FLAG. FORMAT - I1 MISSING - 9 36-59. TOTAL SKY COVER, WIND DIRECTION, WIND SPEED FOR EACH 3 HOUR TIME PERIOD 03Z-06Z-09Z-12Z-15Z-18Z-21Z-00Z. UNITS- SKY COVER 8THS 9 IS OBSCURED WIND DIRECTION (* must be multiplied by 10 to get proper value. Example: 21 = 210.0 degrees *) WIND SPEED KNOTS FORMAT - I2,I2,I3 MISSING 99 99 -99 60. TOTAL SNOW DEPTH (WHEN REPORTED, ZERO SNOW DEPTH IS NOT REPORTED AND IS INDICATED AS MISSING IN THIS FILE) FORMAT - I5 MISSING - -999 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FILE 3. MONTHLY SUMMARY FILE. RECORD FORMAT - FB (FIXED BLOCK LENGTH) LOGICAL RECORD LENGTH - 232 CHARACTERS BLOCKSIZE - 12992 CHARACTERS THIS PARAMETER LIST AND FORMAT MAY BE USED TO READ ONE LOGICAL RECORD IN FORTRAN: CHARACTER*5 BKIDN READ (8,10) IDATE,BKIDN,TMEAN,TMAX,TMIN,HMAX,RMINL,CTMEAN,APTMAX, WCMIN,HMAXAPT,WCLMINL,RPCP,EPCP,CPCP,EPCPMX,AHS,AVP,APET,AVPD, RSV1,TRAD,AMAXTH,AMINRH,IHDD,ICDD,IGDD,NRADV,IRSV2,NOBS,NOBSP, N6HE,NPMXMN,NMX,NMN,MXDAT,MNDAT,NDPR,NDTPR,NMAPT,NMWC,NSV,NVPT, NPET,NMXRH,NMNRH,MXAPTD,MNWCD,MXPCPD,NDAYS FORMAT(1X,I6,A5,10F5.1,3F7.1,F5.1,4F5.2,F6.2,F5.2,2F5.0,3I5,I3,4I4, 3I3,2I8,9I3,3I8,I3) THIS FILE CONTAINS THE FOLLOWING FIELDS: 1. IDATE-YEAR AND MONTH OF DATA, IN FORM YYYYMM. FORMAT - I6 2. BKIDN- 5 CHARACTER STATION IDENTIFIER. THE 5 CHARACTERS ARE THE WMO BLOCK STATION NUMBER WHEN ASSIGNED OR 99 FOLLOWED BY THE 3 CHARACTER AIRWAYS CALLSIGN WHEN NO WMO BLOCK STATION HAS BEEN ASSIGNED. FORMAT- A5. 3. TMEAN - AVERAGE DAILY MEAN TEMPERATURE COMPUTED FROM ALL PAIRED DAILY MAXIMUM AND MINIMUM TEMPERATURES. UNITS - DEGREES CELSIUS. FORMAT - F5.1 MISSING - -99.9 4. TMAX - AVERAGE DAILY MAXIMUM TEMPERATURE. UNITS - DEGREES CELSIUS. FORMAT - F5.1 MISSING - -99.9 5. TMIN - AVERAGE DAILY MINIMUM TEMPERATURE. UNITS - DEGREES CELSIUS. FORMAT - F5.1. MISSING - -99.9 6. HMAX - THE HIGHEST MAXIMUM TEMPERATURE REPORTED DURING MONTH UNITS - DEGREES CELSIUS. FORMAT - F5.1 MISSING - -99.9 7. RMINL - THE LOWEST MINIMUM TEMPERATURE REPORTED DURING MONTH UNITS - DEGREES CELSIUS. FORMAT - F5.1 MISSING - -99.9 8. CTMEAN - THE REPORTED MONTHLY CLIMATE TEMPERATURE. 9. APTMAX - AVERAGE MAXIMUM APPARENT TEMPERATURE. UNITS - DEGREES CELSIUS FORMAT - F5.1 MISSING - -99.9 10. WCMIN - AVERAGE MINIMUM WIND CHILL TEMPERATURE. UNITS - DEGREES CELSIUS FORMAT - F5.1 MISSING - -99.9 11. HMAXAPT- HIGHEST DAILY MAXIMUM APPARENT TEMPERATURE DURING MONTH UNITS - DEGREES CELSIUS FORMAT - F5.1 MISSING - -99.9 12. WCLMINL- LOWEST DAILY MINIMUM WIND CHILL TEMPERATURE DURING MONTH UNITS - DEGREES CELSIUS FORMAT - F5.1 MISSING - -99.9 13. RPCP - TOTAL REPORTED PRECIPITATION FOR MONTH. UNITS - MILLIMETERS FORMAT - F7.1 MISSING - -99.9 14. EPCP - TOTAL PRECIPITATION INCLUDING ESTIMATES FOR ANY PERIODS THAT REPORTED AMOUNTS WERE NOT AVAILABLE. UNITS - MILLIMETERS FORMAT - F7.1 MISSING - -99.9 15. CPCP - TOTAL PRECIPITATION REPORTED IN CLIMAT MESSAGE. (NOTE--CLIMAT REPORTS PRECIPITATION TO THE NEAREST WHOLE MILLIMETER. THE CAC USES ITS PRECIPITATION REPORTED TO A TENTH WHEN THE DIFFERENCE COULD HAVE BEEN DUE TO ROUNDING OF THE CLIMAT VALUE. UNITS - MILLIMETERS FORMAT - F7.1 MISSING - -99.9 16. EPCPMX - MAXIMUM DAILY PRECIPITATION INCLUDING ESTIMATES. UNITS - MILLIMETERS FORMAT - F5.1 MISSING - -99.9 17. AHS - AVERAGE HOURS OF SUNSHINE UNITS - HOURS FORMAT - F5.2 MISSING - -9.99 18. AVP - AVERAGE VAPOR PRESSURE UNITS - MILLIBARS FORMAT - F5.2 MISSING - -9.99 19. APET - AVERAGE PAN EVAPORTRANSPORATION UNITS - MILLIMETERS FORMAT - F5.2 MISSING - -9.99 20. AVPD - AVERAGE VAPOR PRESSURE DEFICIT UNITS - MILLIBARS FORMAT - F5.2 MISSING - -9.99 21. RSV1 - RESERVED FORMAT - F6.1 MISSING - -99.9 22. TRAD - AVERAGE TOTAL RADIATION UNITS - FORMAT - F5.2 MISSING - -9.99 23. AMAXRH - AVERAGE MAXIMUM RELATIVE HUMIDITY. UNITS - PERCENT FORMAT - F5.0 MISSING - -999. 24. AMINRH - AVERAGE MINIMUM RELATIVE HUMITITY. UNITS - PERCENT FORMAT - F5.0 MISSING - 999. 25. IHDD - TOTAL HEATING DEGREE DAYS. FORMAT - I5 MISSING - -999 26. ICDD - TOTAL COOLING DEGREE DAYS. FORMAT - I5 MISSING - -999 27. IGDD - TOTAL GROWING DEGREE DAYS. FORMAT - I5 MISSING - -999 28. NRADV - NUMBER OF RADIATION VALUES FORMAT - I3 MISSING - 0 29. IRSV2 - RESERVED FORMAT - I4 MISSING - 0 30. NOBS - NUMBER OF OBSERVATIONS FORMAT - I4 MISSING - 0 31. NOBSP - NUMBER OF OBSERVATIONS WITH PRECIPITATION FORMAT - I4 MISSING - 0 32. N6HE - NUMBER OF 6 HOUR PERIODS THAT PRECIPITATION ESTIMATED FORMAT - I4 MISSING - 0 33. NPMXMN - NUMBER OF PAIRED MAXIMUM AND MINIMUM TEMPERATURES FORMAT - I3 MISSING - 0 34. NMX - NUMBER OF DAILY MAXIMUM TEMPERATURES FORMAT - I3 MISSING - 0 35. NMN - NUMBER OF DAILY MINIMUM TEMPERATURES FORMAT - I3 MISSING - 0 36. MXDAT - DATE THE MAXIMUM MONTHLY TEMPERATURE OCCURRED FORMAT - I8 MISSING - -999 37. MNDAT - DATE THE MINIMUM MONTHLY TEMPERATURE OCCURRED FORMAT - I8 MISSING - -999 38. NDPR - DAYS MEASURABLE PRECIPITATION REPORTED FORMAT - I3 MISSING - 0 39. NDTPR - NUMBER OF DAYS A TRACE OF PRECIPITATION REPORTED FORMAT - I3 MISSING - 0 40. NMAPT - NUMBER OF DAILY MAXIMUM APPARENT TEMPERATURES FORMAT - I3 MISSING - 0 41. NMWC - NUMBER OF DAILY MINIMUM WIND CHILL VALUES FORMAT - I3 MISSING - 0 42. NSV - NUMBER OF DAILY SUNSHINE VALUES FORMAT - I3 MISSING - 0 43. NVPT - NUMBER OF DAILY VAPOR PRESSURE VALUES FORMAT - I3 MISSING - 0 44. NPET - NUMBER OF DAILY PAN EVAPORATION VALUES FORMAT - I3 MISSING - 0 45. NMXRH - NUMBER OF DAILY MAXIMUM RELATIVE HUMIDITY VALUES FORMAT - I3 MISSING - 0 46. NMNRH - NUMBER OF DAILY MINIMUM RELATIVE HUMIDITY VALUES FORMAT - I3 MISSING - 0 47. MXAPTD - DATE MONTHLY MAXIMUM APPARENT TEMPERATURE OCCURRED FORMAT - I6 MISSING - -999 48. MNWCD - DATE MONTHLY MINIMUM WIND CHILL OCCURRED FORMAT - I8 MISSING - -999 49 MXPCPD - DATE THE MAXIMUM DAILY PRECIPITATION OCCURRED FORMAT - I8 MISSING - -999 50 NDAYS - NUMBER OF DAYS IN THE MONTH FORMAT - I3 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FILE 4. STATION LIBRARY RECORD FORMAT - FB (FIXED BLOCK LENGTH) LOGICAL RECORD LENGTH - 80 CHARACTERS BLOCKSIZE - 12960 THIS PARAMETER LIST AND FORMAT MAY BE USED TO READ ONE LOGICAL RECORD IN FORTRAN: CHARACTER*5 BKIDN CHARACTER*3 CALL CHARACTER*23 LNAME CHARACTER*20 CNAME READ(8,10) BKIDN,LAT,LONG,IELEV,NUMCOU,NUMREG,IQUL,CALL,LNAME,CNAME FORMAT(1X,A5,I6,I7,I6,I3,I3,I2,A4,A23,A20) 1. BKIDN- 5 CHARACTER STATION IDENTIFIER. THE 5 CHARACTERS ARE THE WMO BLOCK STATION NUMBER WHEN ASSIGNED OR 99 FOLLOWED BY THE 3 CHARACTER5 AIRWAYS CALLSIGN WHEN NO WMO BLOCK STATION HAS BEEN ASSIGNED. FORMAT-A5 2. LAT- LATITUDE DEGREES TIMES 100 SOUTHERN LATITUDES ARE NEGATIVE. RANGE -9000 TO 9000. FORMAT-I6 3. LON- LONGITUDE DEGREES TIMES 100 EXPRESSED IN NUMBER OF DEGREES WEST OF GREENWICH. RANGE 0 TO 35999 FORMAT-I7 4. IELEV- ELEVATION ABOVE SEA LEVEL IN METERS FORMAT-I6 5. NUMCOU- A NUMBER ASSIGNED TO EACH COUNTRY BY CAC. FORMAT-I3 6. NUMREG- A REGION NUMBER ASSIGNED BY CAC. FORMAT-I3 7. IQUAL- A QUALITY NUMBER ASSIGNED BY CAC. LOCATIONS WHICH WE CONSIDER THE BEST ARE ASSIGNED 0. ALL OTHERS ARE ASSIGNED 1. FORMAT-I2 8. CALL- AIRWAYS CALL LETTERS USED IN THE UNITED STATES OF AMERICA AND CANADA. FORMAT-A4 9. LNAME- LOCATION NAME. FORMAT-A23 10. CNAME- REGION NAME. FORMAT-A20 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *