FIRE.CIIFO.CSU .000001.0.19861013.19861102 Paul F. Hein Department of Atmospheric Science Colorado State University Fort Collins, CO 80526 USA 19900105 19900105 6250 DEC VAX 11/780 under VMS 5.1 VAX 0123456789=:> /STUVWXYZ,(-JKLMNOPQR*];+ABCDEFGHI.)[< This tape contains meteorological and radiometeric data from the NCAR Sabreliner aircraft that was collected during the 1986 FIRE Cirrus IFO. END OF GENERAL SEGMENT END OF ANCILLARY SEGMENT RECORD NAME: SABRE_CI - Data from the NCAR Sabreliner - FIRE Ci 176 4400 Stephen K. Cox Department of Atmospheric Science Colorado State University Fort Collins, CO 80523 USA SABRELINER_CI :NCAR Sabreliner during FIRE Cirrus IFO SABRELINER:NCAR Sabreliner aircraft instrumentation FILE NUMBER FNUM I*4 I3 31 0 1 1 1 999 RECORD NUMBER RNUM I*4 I5 31 0 1 1 1 99999 TAPE SEQ NUMBER TSEQ I*4 I6 31 0 1 1 1 999999 YEAR YEAR I*4 YEAR I5 31 0 1 1 1 99999 MONTH MONTH I*4 MONTH I3 31 0 1 1 1 12 DAY DAY I*4 DAY I3 31 0 1 1 1 31 HOUR HOUR I*4 HOUR(UTC) I3 31 0 1 1 0 23 MINUTE MINUTE I*4 MINUTE I3 31 0 1 1 0 59 SECOND SECOND I*4 SECOND I3 31 0 1 1 0 59 INS LATITUDE LAT I*4 DEGREES F12.3 21 -1000 .017 .001 -90.000 90.000 INS LONGITUDE LONG I*4 DEGREES F12.3 21 -1000 .017 .001 -180.000 180.000 DISTANCE EAST DIST_E I*4 KM F12.3 21 -1000 2.000 .001 -9999.999 9999.999 DISTANCE NORTH DIST_N I*4 KM F12.3 21 -1000 2.000 .001 -9999.999 9999.999 PRESSURE PRESSUREI*4 MB F12.3 21 -1000 .400 .001 0.000 1030.000 AIR TEMPERATURE TMP I*4 DEG C F12.3 21 -1000 .300 .001 -70.000 30.000 AIR TMP (HEATED)TMPHEAT I*4 DEG C F12.3 21 -1000 .300 .001 -70.000 30.000 DEW PT TMP (TOP)DEWPTTOPI*4 DEG C F12.3 21 -1000 1.000 .001 -54.709 30.000 DEW PT TMP (BOT)DEWPTBOTI*4 DEG C F12.3 21 -1000 1.000 .001 -54.067 30.000 WIND DIRECTION WIND_DIRI*4 DEGREES F12.3 21 -1000 5.000 .001 0.000 360.000 WIND SPEED WNDSPEEDI*4 M/S F12.3 21 -1000 .300 .001 0.000 100.000 WIND EAST COMPONWINDEASTI*4 M/S F12.3 21 -1000 .300 .001 -100.000 100.000 WIND NORTH COMP WINDNORTI*4 M/S F12.3 21 -1000 .300 .001 -100.000 100.000 WIND VERTICAL VERTWINDI*4 M/S F12.3 21 -1000 .300 .001 -10.000 10.000 PRESSURE ALTITUDPALTITUDI*4 M F12.3 21 -1000 200.000 .001 0.000 13000.000 POTENTIAL TEMPERPOT_TMP I*4 DEG K F12.3 21 -1000 .300 .001 200.000 400.000 EQUIV POT TEMPEREPOT_TMPI*4 DEG K F12.3 21 -1000 .300 .001 200.000 400.000 ABS HUMID (TOP) ABSHUM_TI*4 G/M3 F12.3 21 -1000 .004 .001 0.000 10.000 ABS HUMID (BOT) ABSHUM_BI*4 G/M3 F12.3 21 -1000 .004 .001 0.000 10.000 RELATIVE HUMID REL_HUM I*4 PERCENT F12.3 21 -1000 .400 .001 0.000 101.000 MIXING RATIO MIXRATIOI*4 G/KG F12.3 21 -1000 .004 .001 0.000 10.000 SPECIFIC HUMID SPEC_HUMI*4 G/KG F12.3 21 -1000 .004 .001 0.000 10.000 SW TOT DOWNWELL SWTOTDNWI*4 W/M2 F12.3 21 -1000 5.000 .001 0.000 1500.000 NIR DOWNWELLING NIRDNW I*4 W/M2 F12.3 21 -1000 5.000 .001 0.000 800.000 SW TOTAL UPWELL SWTOTUPWI*4 W/M2 F12.3 21 -1000 5.000 .001 0.000 1500.000 NIR UPWELLING NIRUPW I*4 W/M2 F12.3 21 -1000 5.000 .001 0.000 800.000 IR DOWNWELLING IR_DNW I*4 W/M2 F12.3 21 -1000 5.000 .001 0.000 800.000 IR UPWELLING IR_UPW I*4 W/M2 F12.3 21 -1000 5.000 .001 0.000 800.000 TRUE HEADING HEADING I*4 DEGREES F12.3 21 -1000 .023 .003 0.000 360.000 ROLL ANGLE ROLL I*4 DEGREES F12.3 21 -1000 .023 .003 -90.000 90.000 PITCH ANGLE PITCH I*4 DEGREES F12.3 21 -1000 .023 .003 -90.000 90.000 INS GROUND SPEEDGRND_SPDI*4 M/S F12.3 21 -1000 .300 .001 0.000 300.000 TRUE AIRSPEED AIRSPEEDI*4 M/S F12.3 21 -1000 .300 .001 0.000 300.000 LYMON-ALPHA VOLTL-A_VOLTI*4 VOLTS F12.3 21 -1000 .001 .001 -10.000 10.000 ICING RATE INDICICE_RATEI*4 VOLTS F12.3 21 -1000 .001 .001 -10.000 10.000 INSTRUMENT DESCRIPTION: The NCAR Sabreliner research aircraft is a Rockwell International Sabreliner Model 60 aircraft, a low-wind twin-jet monoplane. The NCAR instumentation that measured the data described above consisted of: 1. Aircraft Position, Velocity and Attitude -- Litton LTN-51 INS (Inertial Navigation System) 2. Static Pressure -- Rosemount Model 1201F1 Pressure Transducer (Fuselage Port) 3. Temperatures -- Rosemount Type 102 Non-dieced and Dieced Sensors (with Rosemount Model 510BH Amplifiers) 4. Dew Point and Humidity -- EG&G Model 137-C3 Dew Point Hygrometers -- NCAR Model LA-3 Lyman-alpha Hygrometer 5. Flow Angle Sensors -- Rosemount Model 858 Gust Probe -- Rosemount Model 1221FVL Differential Pressure Transducer 6. Cloud Physics -- Rosemount 871A Icing Rate Detector 7. Radiation Irradiances -- Shortwave Radiation (.3 - 2.8 microns): RAF Modified Epply Model PSP Pyranometers -- Near Infrared Radiation (.7 - 2.8 microns): RAF Modified Epply Model PSP Pyranometers -- Infrared Radiation (4 - 50 microns): RAF Modified Epply Model PIR Pyrgeometers TEMPORAL CHARACTERISTICS Observations were saved one per second (1 hertz data) SPATIAL CHARACTERISTICS: Obsevations are considered to be point measurements and can be found between 41 N and 48 N, 98 W and 85 W, and between 200 and 13000 m altitude above sea level. CALIBRATION INFO: Calibration information can be obtained from CSU and NCAR. The shortwave and near IR irradiances have been corrected for the effects of temperature as descibed in "Temperature Sensitivity of Epply Broadband Radiometers" by W.L. Smith Jr., S.K. Cox, and V. Glover. REFERENCES: From CSU one can obtain: The Sabreliner Data Set of the FIRE Cirrus IFO: FIRE Series No. 1 Temperature Sensitivity of Epply Broadband Radiometers: FIRE Series No. 5 END OF OBSERVATION SEGMENT