Station report
Lajas 9SW - Combate, in 4 sheets Drawn from its report of Oct 11, 2026, 1:00 AM local time, in the manner of the Field Book, and opened beside the plates that explain each part of it.
1 The air2 The column3 The sun4 The instrument77.0 F with a dew point of 71.4 F, 83 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up.
Chart of the air at Lajas 9SW - Combate: temperature 77.0 degrees Fahrenheit and dew point 71.4, 83 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 feet above the station; height to scale. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D E E © 2026 STORM STATION 247 THE FIELD BOOK STATION REPORT COBP4 FIG. B THE AIR AT LAJAS 9SW - COMBATE THE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALE FT ABOVE THE STATION 0 1,000 2,000 3,000 60 F 70 F 80 F 90 F SATURATES 1,300 FT ABOVE THE STATION, AT 70.0 F TEMPERATURE 77.0 F DEW POINT 71.4 F SPREAD 5.6 F RELATIVE HUMIDITY 83 PER CENT THE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 F SOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINT TITLE Lajas 9SW - Combate, the air STATION REPORT · DCP COBP4 TYPE CHART SCALE HEIGHT TO SCALE REV AS REPORTED SHEET 1 of 4 DATE 2026-10-11 ID SR-COBP4-1 DRAWN AS linework on paper SOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005 At 62 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.85 inHg and the temperature at 58.8 F; it reports 77.0 F, 18.3 F warmer than standard.
Section from sea level of where Lajas 9SW - Combate stands in the atmosphere, height to scale: the station 62 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.85 inches of mercury, and temperature, 58.8 degrees Fahrenheit. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D E E © 2026 STORM STATION 247 THE FIELD BOOK STATION REPORT COBP4 FIG. D WHERE LAJAS 9SW - COMBATE STANDS IN THE ATMOSPHERE SECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHERE FT ABOVE SEA LEVEL 0 5,000 10,000 15,000 SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERE LAJAS 9SW - COMBATE 0 PER CENT OF THE AIR BELOW IT 62 FT 10 PER CENT OF THE AIR BELOW, 2,890 FT 20 PER CENT OF THE AIR BELOW, 6,050 FT 30 PER CENT OF THE AIR BELOW, 9,540 FT 40 PER CENT OF THE AIR BELOW, 13,470 FT STANDARD PRESSURE HERE 29.85 inHg STANDARD TEMPERATURE HERE 58.8 F TEMPERATURE, REPORTED 77.0 F TITLE Lajas 9SW - Combate, the column STATION REPORT · DCP COBP4 TYPE SECTION SCALE HEIGHT TO SCALE REV AS REPORTED SHEET 2 of 4 DATE 2026-10-11 ID SR-COBP4-2 DRAWN AS linework on paper SOURCES FB-ENG-001, FB-ENG-003 On Oct 11 the noon sun stands 65 degrees above the horizon at 17.98 N, and the day is 11 h 41 min long. Level ground there takes 90 per cent of the noon sunlight a surface facing the sun would.
Elevation of the noon sun at Lajas 9SW - Combate, angles true: on Oct 11 it stands 65 degrees above the horizon, against 85 at the June solstice, 72 at the equinoxes and 49 at the December solstice; the day is 11 h 41 min long. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D E E © 2026 STORM STATION 247 THE FIELD BOOK STATION REPORT COBP4 FIG. E THE SUN AT LAJAS 9SW - COMBATE ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUE THE STATION JUNE SOLSTICE 85° EQUINOXES 72° DECEMBER SOLSTICE 49° OCT 11, 65° SOUTH ANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLY DAY LENGTH 11 H 41 MIN LEVEL GROUND TAKES 90 PER CENT OF THE NOON SUN A FACING SURFACE WOULD LATITUDE 17.98 N; THE SUN'S DECLINATION -7.2° TITLE Lajas 9SW - Combate, the sun STATION REPORT · DCP COBP4 TYPE ELEVATION SCALE ANGLES TRUE REV AS REPORTED SHEET 3 of 4 DATE 2026-10-11 ID SR-COBP4-3 DRAWN AS linework on paper SOURCES FB-ENG-007 A data collection platform, 62 ft above sea level. Its report of Oct 11, 2026, 1:00 AM local time is written on the sensors that made it.
Elevation of a data collection platform, Lajas 9SW - Combate, each sensor drawn and labelled with what it read: antenna, sending by satellite, last heard oct 11, 2026, 1:00 am local time; air temperature, 77.0 f, dew point 71.4 f. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D E E © 2026 STORM STATION 247 THE FIELD BOOK STATION REPORT COBP4 FIG. F THE INSTRUMENT ELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READ, OCT 11, 2026, 1:00 AM LOCAL TIME ANTENNA, SENDING BY SATELLITE LAST HEARD OCT 11, 2026, 1:00 AM LOCAL TIME AIR TEMPERATURE 77.0 F, DEW POINT 71.4 F PRECIPITATION GAUGE - SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALE TITLE Lajas 9SW - Combate, the instrument STATION REPORT · DCP COBP4 TYPE ELEVATION SCALE SCHEMATIC REV AS REPORTED SHEET 4 of 4 DATE 2026-10-11 ID SR-COBP4-4 DRAWN AS linework on paper SOURCES FB-INS-001 
FB-WAT-002, Fig. CHumidity variables
FB-ENG-011, Fig. AWater vapour as a gas
FB-ENG-005, Fig. ALapse rates and stability
