UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 25 APR 25 Station: GC018 WMO ident: 60018 Latitude: 28.32 Longitude: -16.38 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1007 116 21.0 12.0 56 9.0 15.4 40 13 293.6 295.1 288.3 318.7 8.77 1 1000 176 18.0 12.0 68 6.0 14.3 70 13 291.1 292.7 287.5 316.2 8.84 2 925 837 12.6 9.0 79 3.6 10.5 20 15 292.2 293.6 286.9 314.5 7.81 3 866 1387 8.4 8.0 97 0.4 8.2 28 12 293.4 294.8 287.3 315.8 7.79 4 856 1483 8.4 7.2 92 1.2 7.8 29 11 294.4 295.7 287.4 315.9 7.46 5 853 1512 11.4 1.4 50 10.0 6.2 30 11 297.8 298.7 286.2 312.5 4.96 6 851 1532 11.6 0.6 47 11.0 6.0 30 11 298.2 299.0 286.1 312.2 4.69 7 850 1542 11.6 0.6 47 11.0 6.0 30 11 298.3 299.2 286.1 312.3 4.70 8 839 1651 13.4 -4.6 28 18.0 5.0 29 11 301.3 301.9 285.8 311.2 3.23 9 821 1833 12.0 -6.0 28 18.0 3.8 28 11 301.7 302.2 285.6 310.8 2.97 10 787 2187 12.6 -15.4 13 28.0 1.8 26 11 306.0 306.3 285.6 310.8 1.46 11 700 3159 7.4 -21.6 11 29.0 -2.2 20 10 310.7 310.9 286.7 313.9 0.97 12 586 4588 -4.7 -23.7 21 19.0 -10.1 348 13 312.8 313.0 287.4 316.0 0.96 13 522 5489 -9.3 -41.3 5 32.0 -14.9 328 15 317.8 317.8 288.2 318.5 0.20 14 500 5820 -11.9 -42.9 6 31.0 -16.9 320 16 318.5 318.6 288.5 319.2 0.17 15 408 7336 -24.3 -47.3 10 23.0 -26.7 302 13 321.6 321.6 289.4 322.1 0.13 16 400 7480 -25.3 -49.3 9 24.0 -27.6 300 13 322.1 322.1 289.5 322.5 0.11 17 343 8582 -33.3 -61.3 4 28.0 -34.8 300 12 325.7 325.7 290.5 325.8 0.03 18 301 9487 -41.1 -57.1 16 16.0 -41.8 300 11 327.1 327.1 291.0 327.3 0.06 19 300 9510 -41.1 -58.1 14 17.0 -41.8 300 11 327.4 327.4 291.0 327.6 0.05 20 259 10489 -48.5 -62.5 18 14.0 -48.8 300 13 330.6 330.6 291.9 330.7 0.03 21 250 10720 -49.9 -64.9 16 15.0 -50.3 300 14 331.9 331.9 292.3 332.0 0.02 22 222 11489 -54.5 -72.5 9 18.0 -54.8 287 16 336.3 336.3 293.4 336.3 0.01 23 200 12150 -59.1 -74.1 13 15.0 -59.2 275 18 339.2 339.2 294.1 339.2 0.01 24 188 12536 -60.9 -74.9 14 14.0 -61.0 275 16 342.3 342.3 294.9 342.4 0.01 25 167 13265 -64.9 -76.9 18 12.0 -65.0 275 13 347.4 347.4 296.1 347.5 0.01 26 150 13920 -64.3 -79.3 11 15.0 -64.4 235 35 359.3 359.3 298.5 359.3 0.00 27 137 14474 -64.5 -80.5 9 16.0 -64.6 238 37 368.4 368.4 300.3 368.4 0.00 28 113 15663 -60.1 -87.1 2 27.0 -60.4 245 40 397.5 397.5 304.9 397.5 0.00 29 100 16420 -63.1 -88.1 2 25.0 -63.3 250 42 405.8 405.8 306.0 405.8 0.00 30 90 17061 -66.3 -89.3 3 23.0 -66.4 259 33 411.9 411.9 306.7 411.9 0.00 31 87 17266 -66.5 -89.5 3 23.0 -66.7 262 30 415.5 415.5 307.2 415.5 0.00 32 75 18168 -63.7 -88.7 2 25.0 -64.0 274 17 439.4 439.4 309.8 439.4 0.00 33 70 18590 -64.1 -89.1 2 25.0 -64.4 280 11 447.3 447.3 310.6 447.3 0.00 34 65 19042 -66.3 -89.3 3 23.0 -66.5 259 11 452.0 452.0 311.0 452.0 0.00 35 54 20176 -62.9 -89.9 1 27.0 -63.3 207 11 484.5 484.5 313.8 484.5 0.00 36 50 20650 -63.1 -89.1 2 26.0 -63.5 185 11 494.8 494.8 314.6 494.8 0.00 37 48 20901 -63.3 -89.3 2 26.0 -63.7 180 11 500.1 500.1 314.9 500.1 0.00 38 44 21441 -58.9 -87.9 1 29.0 -59.6 170 10 523.5 523.5 316.5 523.5 0.00 39 37 22522 -61.5 -89.5 1 28.0 -62.1 150 10 543.4 543.4 317.7 543.4 0.00 40 30 23840 -55.7 -86.7 1 31.0 -57.2 125 9 592.8 592.8 320.3 592.8 0.01 41 22 25846 -48.9 -83.9 1 35.0 -52.5 117 6 668.0 668.0 323.3 668.2 0.02 42 20 26470 -50.7 -84.7 1 34.0 -54.0 115 5 681.0 681.0 323.8 681.1 0.02 43 19 26804 -50.9 -84.9 1 34.0 -54.2 690.4 690.4 324.1 690.5 0.02 44 15 28365 -44.5 -82.5 1 38.0 -50.8 760.0 760.0 326.2 760.2 0.03 45 13 29317 -47.7 -83.7 1 36.0 -53.2 780.7 780.7 326.8 780.9 0.03 46 11 30439 -40.1 -81.1 0 41.0 -49.9 846.5 846.5 328.3 847.0 0.05 47 11 30439 -39.9 -80.9 0 41.0 -49.8 847.2 847.2 328.4 847.7 0.05 TRP 167 13265 -64.9 -76.9 18 12.0 -65.0 275 13 347.4 347.4 296.1 347.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5644.00 m Freezing level: 630.28 mb = 4032.74 m = 13230.63 ft Wetbulb zero: 747.77 mb = 2611.07 m = 8566.41 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 30.52 % Est. max temperature: 21.69 C = 71.05 F Sfc-Lift cond lev (LCL): 881.37 mb = 1240.20 m = 4068.84 ft T: 9.52 C 700-500 lapse rate: 7.25 C/km ThetaE index: 4.21 C Layer 1000.0- 866.0 mb Conv cond level (CCL): 873.84 mb = 1311.89 m = 4304.04 ft Mean mixing ratio: 8.26 g/kg Conv temperature: 20.66 C = 69.18 F Cap Strength: 8.96 C Lifted Index: 7.12 C Risk: None Lifted Index @300 mb: 8.89 C Lifted Index @700 mb: 8.96 C Showalter Index: 9.00 C Risk: None Total Totals Index: 36.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 12.50 C K Index: -4.90 Risk: None Sweat Index: 45.20 Risk: None Energy Index: 1.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.06 J/kg Max Up Vert Vel: 2.85 m/s Conv Inhibition (B-): 58103.64 J/kg Cap Strength: 8.95 C Lift Cond Lev (LCL): 891.68 mb = 1143.20 m = 3750.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 34 at 9 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1007 116 40 13 -8.4 -10.0 | 55 4 -3.1 -2.1 1 1000 176 70 13 -12.2 -4.4 | 116 8 -6.9 3.4 2 925 837 20 15 -5.1 -14.1 | 359 6 0.1 -6.3 3 850 1542 30 11 -5.5 -9.5 | 8 2 -0.2 -1.7 4 700 3159 20 10 -3.4 -9.4 | 310 2 1.8 -1.6 5 500 5820 320 16 10.3 -12.3 | 286 16 15.6 -4.4 6 400 7480 300 13 11.3 -6.5 | 265 17 16.5 1.3 7 300 9510 300 11 9.5 -5.5 | 261 15 14.8 2.3 8 250 10720 300 14 12.1 -7.0 | 267 17 17.4 0.8 9 200 12150 275 18 17.9 -1.6 | 255 24 23.2 6.3 10 167 13265 275 13 13.0 -1.1 | 250 19 18.2 6.7 11 150 13920 235 35 28.7 20.1 | 231 44 33.9 27.9 12 100 16420 250 42 39.5 14.4 | 244 50 44.7 22.2 13 70 18590 280 11 10.8 -1.9 | 250 17 16.1 5.9 14 50 20650 185 11 1.0 11.0 | 198 20 6.2 18.8 15 30 23840 125 9 -7.4 5.2 | 171 13 -2.1 13.0 16 20 26470 115 5 -4.5 2.1 | 184 10 0.7 9.9 Wind Parameters Mean winds (0-6000m): 3.9 at 12.6 knts Storm direction: 33.9 at 9.4 knts Shear (0-3000m) pos: 0.5 neg: 0.9 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): -104.1 deg Storm rel helicity (0-3000m) pos: 6.6 neg: -16.7 tot: -10.1 m^2/s^2 ave: -3.4 10^-3 m/s^2 rel: -0.28 Storm rel vorticity (0-3000m) horiz: 4.2 stream: -1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 15.61 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 53 14 86 6| 0.0 1.6 1.6| 6.0 -10.1 -4.1 -8.2 -0.10| 14.3 -1.5 1000 37 14 45 5| 0.0 1.9 1.9| 6.3 -15.7 -9.4 -9.4 -0.26| 10.1 -2.7 1500 34 13 34 4| 0.9 1.3 2.2| 6.6 -15.8 -9.2 -6.1 -0.22| 7.7 -1.7 2000 33 13 29 3| 0.7 1.1 1.8| 6.6 -16.1 -9.5 -4.7 -0.25| 5.9 -1.4 2500 31 12 23 3| 0.6 1.0 1.5| 6.6 -16.4 -9.8 -3.9 -0.26| 4.9 -1.3 3000 30 12 15 3| 0.5 0.9 1.4| 6.6 -16.7 -10.1 -3.4 -0.28| 4.2 -1.2 4000 25 12 353 3| 0.4 1.3 1.6| 6.6 -17.4 -10.8 -2.7 -0.25| 3.7 -0.9 5000 16 12 332 4| 0.3 1.6 1.9| 6.6 -22.9 -16.3 -3.3 -0.27| 3.6 -0.9 6000 4 13 317 6| 0.2 1.7 1.9| 6.6 -36.8 -30.1 -5.0 -0.32| 3.5 -1.1 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20250425.12.gif