UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 17 OCT 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 1000 125 24.6 18.6 69 6.0 20.5 165 9 297.8 300.2 293.6 337.2 13.61 1 998 142 22.0 19.5 86 2.5 20.3 167 9 295.3 297.9 293.5 336.8 14.44 2 994 177 21.8 19.1 85 2.7 19.9 172 9 295.5 298.0 293.3 336.0 14.13 3 925 798 18.8 15.3 80 3.5 16.5 260 5 298.5 300.7 292.6 333.2 11.90 4 912 920 17.8 15.9 89 1.9 16.5 272 6 298.7 301.0 293.2 335.3 12.56 5 894 1091 18.6 10.6 60 8.0 13.6 288 7 301.3 302.9 291.1 327.9 9.01 6 863 1393 16.2 13.8 86 2.4 14.6 317 9 301.8 303.9 293.3 336.0 11.57 7 850 1523 16.8 13.5 81 3.3 14.6 330 10 303.7 305.9 293.8 338.0 11.52 8 848 1543 16.8 13.3 80 3.5 14.5 330 10 303.9 306.1 293.8 337.9 11.39 9 781 2240 11.8 10.5 92 1.3 11.0 337 13 305.8 307.7 293.5 336.7 10.27 10 764 2425 10.6 10.2 97 0.4 10.3 338 13 306.5 308.4 293.7 337.4 10.29 11 710 3036 9.4 4.4 71 5.0 6.5 344 16 311.6 313.0 292.9 334.6 7.41 12 700 3154 9.2 2.2 62 7.0 5.3 345 16 312.7 313.9 292.4 332.7 6.42 13 682 3370 8.4 -5.6 37 14.0 1.7 345 17 314.1 314.8 290.6 325.9 3.69 14 582 4659 -1.1 -5.6 71 4.5 -3.3 345 21 317.6 318.4 292.2 331.6 4.33 15 576 4741 -1.5 -4.0 83 2.5 -2.7 345 22 318.1 319.0 292.8 334.0 4.94 16 542 5225 -3.5 -10.5 58 7.0 -6.5 345 24 321.3 321.9 292.2 331.8 3.17 17 532 5372 -4.7 -6.6 87 1.9 -5.6 345 24 321.6 322.4 293.3 335.9 4.39 18 531 5387 -4.7 -6.0 91 1.3 -5.3 345 24 321.7 322.6 293.5 336.8 4.61 19 527 5446 -4.3 -9.3 68 5.0 -6.5 345 24 322.9 323.6 293.0 334.8 3.59 20 521 5537 -4.7 -6.2 89 1.5 -5.4 345 25 323.5 324.4 294.0 338.7 4.62 21 517 5597 -4.7 -11.7 58 7.0 -7.6 345 25 324.2 324.8 292.9 334.3 3.02 22 501 5844 -6.1 -15.1 49 9.0 -9.5 345 26 325.4 325.9 292.6 333.5 2.36 23 500 5860 -6.3 -15.3 49 9.0 -9.7 345 26 325.4 325.8 292.6 333.3 2.33 24 491 6002 -6.9 -12.9 62 6.0 -9.3 343 27 326.3 326.9 293.3 336.1 2.89 25 483 6130 -7.7 -19.7 38 12.0 -11.7 341 27 326.9 327.2 292.4 332.6 1.66 26 460 6507 -10.9 -14.7 74 3.8 -12.3 336 29 327.5 328.0 293.4 336.5 2.66 27 443 6796 -11.9 -21.9 43 10.0 -15.0 331 30 329.8 330.1 293.0 335.0 1.49 28 432 6988 -13.1 -17.4 70 4.3 -14.6 329 31 330.6 331.1 293.9 338.5 2.26 29 428 7059 -13.3 -23.3 43 10.0 -16.2 328 31 331.2 331.5 293.3 336.1 1.37 30 400 7570 -17.5 -25.5 50 8.0 -19.6 320 33 332.2 332.5 293.4 336.6 1.20 31 329 8999 -28.9 -32.0 75 3.1 -29.5 327 36 335.7 335.8 294.0 338.6 0.80 32 313 9353 -32.3 -35.3 75 3.0 -32.7 329 37 335.8 335.9 293.9 338.0 0.61 33 300 9650 -34.7 -38.6 68 3.9 -35.2 330 38 336.5 336.6 293.9 338.2 0.45 34 294 9791 -35.7 -39.1 71 3.4 -36.1 331 38 337.0 337.1 294.0 338.7 0.44 35 292 9839 -35.9 -43.9 44 8.0 -36.7 331 38 337.4 337.4 293.9 338.4 0.27 36 288 9935 -36.5 -44.5 43 8.0 -37.2 332 38 337.8 337.9 294.0 338.8 0.25 37 276 10229 -39.3 -43.0 68 3.7 -39.6 335 38 337.9 338.0 294.1 339.2 0.31 38 250 10900 -44.9 -50.9 51 6.0 -45.2 340 39 339.3 339.3 294.3 339.9 0.14 39 248 10953 -45.3 -51.3 51 6.0 -45.6 340 39 339.5 339.5 294.3 340.1 0.14 40 235 11308 -48.5 -51.3 73 2.8 -48.6 343 41 339.9 340.0 294.4 340.5 0.14 41 233 11364 -49.3 -54.3 56 5.0 -49.5 343 42 339.5 339.6 294.3 340.0 0.10 42 227 11533 -50.5 -52.9 76 2.4 -50.6 344 42 340.3 340.3 294.5 340.8 0.12 43 221 11706 -52.3 -59.3 43 7.0 -52.5 346 43 340.1 340.1 294.4 340.3 0.06 44 200 12340 -57.9 -62.9 53 5.0 -58.0 350 47 341.1 341.1 294.6 341.2 0.04 45 186 12793 -62.3 -65.9 62 3.6 -62.3 354 57 341.1 341.1 294.6 341.2 0.03 46 169 13379 -66.1 -71.9 44 5.9 -66.1 360 71 344.3 344.3 295.4 344.4 0.01 47 168 13415 -66.3 -72.3 43 6.0 -66.4 359 71 344.5 344.5 295.4 344.6 0.01 48 150 14100 -67.3 -77.3 23 10.0 -67.4 340 68 354.2 354.2 297.5 354.2 0.01 49 144 14346 -67.7 -81.7 12 14.0 -67.8 340 65 357.6 357.6 298.2 357.6 0.00 50 119 15481 -73.3 -84.3 17 11.0 -73.3 340 50 367.4 367.4 300.1 367.4 0.00 51 100 16500 -73.5 -85.5 14 12.0 -73.5 355 35 385.7 385.7 303.2 385.7 0.00 52 96 16738 -73.9 -85.9 14 12.0 -73.9 5 32 389.5 389.5 303.7 389.5 0.00 53 93 16923 -73.9 -86.9 12 13.0 -73.9 13 29 393.0 393.0 304.2 393.0 0.00 54 91 17050 -70.3 -86.3 8 16.0 -70.4 19 27 402.6 402.6 305.6 402.6 0.00 55 78 17970 -67.7 -87.7 4 20.0 -67.8 58 14 426.2 426.2 308.4 426.2 0.00 56 73 18367 -68.5 -88.5 4 20.0 -68.7 74 9 432.6 432.6 309.1 432.6 0.00 57 70 18620 -66.1 -89.1 3 23.0 -66.3 85 5 443.0 443.0 310.2 443.0 0.00 58 62 19364 -61.5 -88.5 2 27.0 -61.9 36 6 468.8 468.8 312.5 468.8 0.00 59 56 19991 -63.5 -89.5 2 26.0 -63.8 355 6 478.1 478.1 313.3 478.1 0.00 60 50 20690 -61.7 -89.7 1 28.0 -62.1 310 7 498.1 498.1 314.8 498.1 0.00 61 45 21347 -57.7 -87.7 1 30.0 -58.5 331 7 523.0 523.0 316.5 523.1 0.00 62 40 22084 -60.3 -88.3 1 28.0 -61.0 354 7 534.4 534.4 317.2 534.4 0.00 63 33 23291 -56.9 -86.9 1 30.0 -58.1 31 7 573.7 573.7 319.3 573.7 0.01 64 31 23684 -58.9 -87.9 1 29.0 -59.9 44 7 578.6 578.6 319.6 578.7 0.01 65 30 23890 -58.1 -88.1 1 30.0 -59.2 50 7 586.2 586.3 320.0 586.3 0.01 66 26 24805 -53.1 -86.1 1 33.0 -55.2 85 8 624.9 624.9 321.7 625.0 0.01 67 22 25883 -53.7 -85.7 1 32.0 -56.0 126 9 653.7 653.7 322.8 653.8 0.01 68 20 26500 -51.7 -85.7 1 34.0 -54.7 150 9 677.9 677.9 323.7 678.0 0.01 69 15 28393 -45.3 -83.3 1 38.0 -51.3 757.3 757.3 326.1 757.6 0.03 70 15 28393 -45.3 -83.3 1 38.0 -51.3 757.3 757.3 326.1 757.6 0.03 71 11 30456 -46.9 -83.9 1 37.0 -53.4 821.8 821.8 327.8 822.1 0.03 TRP 119 15481 -73.3 -84.3 17 11.0 -73.3 340 50 367.4 367.4 300.1 367.4 0.00 WND 169 13379 -66.1 -71.9 44 5.9 -66.1 360 71 344.3 344.3 295.4 344.4 0.01 Sounding variables and indices 1000-500 mb thick: 5735.31 m Freezing level: 593.58 mb = 4509.32 m = 14794.16 ft Wetbulb zero: 648.27 mb = 3782.08 m = 12408.25 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 71.65 % Est. max temperature: 30.60 C = 87.07 F Sfc-Lift cond lev (LCL): 916.05 mb = 881.61 m = 2892.38 ft T: 18.11 C 700-500 lapse rate: 5.73 C/km ThetaE index: 11.51 C Layer 710.0- 582.0 mb Conv cond level (CCL): 815.55 mb = 1873.67 m = 6147.15 ft Mean mixing ratio: 12.77 g/kg Conv temperature: 31.69 C = 89.05 F Cap Strength: 3.58 C Lifted Index: 2.88 C Risk: None Lifted Index @300 mb: 2.78 C Lifted Index @700 mb: 3.32 C Showalter Index: 1.30 C Risk: Showers probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.80 C K Index: 29.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 208.00 Risk: None Energy Index: -0.94 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.91 J/kg Max Up Vert Vel: 5.08 m/s Conv Inhibition (B-): 40192.49 J/kg Cap Strength: 3.55 C Lift Cond Lev (LCL): 906.67 mb = 970.04 m = 3182.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 11 at 12 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 1000 125 165 9 -2.3 8.7 | 180 20 -0.1 20.5 1 1000 123 165 9 -2.3 8.7 | 180 20 -0.1 20.5 2 925 798 260 5 4.9 0.9 | 209 15 7.1 12.7 3 850 1523 330 10 5.0 -8.7 | 246 8 7.2 3.1 4 700 3154 345 16 4.1 -15.5 | 300 7 6.4 -3.6 5 500 5860 345 26 6.7 -25.1 | 326 16 9.0 -13.3 6 400 7570 320 33 21.2 -25.3 | 300 27 23.4 -13.5 7 300 9650 330 38 19.0 -32.9 | 315 30 21.2 -21.1 8 250 10900 340 39 13.3 -36.6 | 328 29 15.6 -24.8 9 200 12340 350 47 8.2 -46.3 | 343 36 10.4 -34.5 10 169 13379 360 71 -0.0 -71.0 | 358 59 2.2 -59.2 11 150 14100 340 68 23.3 -63.9 | 334 58 25.5 -52.1 12 119 15481 340 50 17.1 -47.0 | 331 40 19.3 -35.2 13 100 16500 355 35 3.1 -34.9 | 347 24 5.3 -23.1 14 70 18620 85 5 -5.0 -0.4 | 166 12 -2.8 11.4 15 50 20690 310 7 5.4 -4.5 | 226 11 7.6 7.3 16 30 23890 50 7 -5.4 -4.5 | 157 8 -3.1 7.3 17 20 26500 150 9 -4.5 7.8 | 173 20 -2.3 19.6 Wind Parameters Mean winds (0-6000m): 340.7 at 16.0 knts Storm direction: 10.7 at 12.0 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 119.0 deg Storm rel helicity (0-3000m) pos: 86.5 neg: 0.0 tot: 86.5 m^2/s^2 ave: 28.8 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 71.54 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 ------------------------------------------------------------------------------- 500 180 8 187 19| 9.2 0.0 9.2| 44.1 0.0 44.1 88.3 0.89| 9.9 8.9 1000 223 7 202 18| 7.5 0.0 7.5| 62.2 0.0 62.2 62.2 0.83| 8.3 6.9 1500 276 7 221 15| 6.6 0.0 6.6| 74.3 0.0 74.3 49.5 0.77| 7.9 6.1 2000 306 8 233 11| 5.4 0.0 5.4| 78.3 0.0 78.3 39.1 0.79| 6.4 5.1 2500 320 9 241 10| 4.7 0.0 4.7| 82.3 0.0 82.3 32.9 0.81| 5.6 4.5 3000 328 10 248 8| 4.3 0.0 4.3| 86.5 0.0 86.5 28.8 0.82| 5.0 4.1 4000 335 12 264 7| 3.4 0.2 3.7| 91.7 0.0 91.7 22.9 0.80| 4.3 3.4 5000 339 14 280 7| 2.7 0.6 3.3| 96.8 0.0 96.8 19.4 0.76| 3.8 2.9 6000 341 16 294 8| 2.3 0.8 3.1|100.3 -5.8 94.6 15.8 0.67| 3.6 2.4 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251017.12.gif