UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 8 DEC 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 1008 116 21.4 12.4 56 9.0 15.8 160 3 293.9 295.5 288.6 319.7 9.00 1 1000 185 20.0 13.0 64 7.0 15.6 135 6 293.1 294.8 288.8 320.1 9.45 2 986 306 19.0 6.0 43 13.0 11.8 149 7 293.3 294.4 285.5 310.6 5.95 3 959 544 18.0 -4.0 22 22.0 7.8 175 8 294.7 295.2 282.8 303.5 2.96 4 925 851 15.8 -1.2 31 17.0 7.5 210 10 295.5 296.1 284.1 306.7 3.78 5 880 1273 14.2 -7.8 21 22.0 4.7 210 8 298.1 298.5 283.5 305.4 2.41 6 850 1564 12.4 -10.6 19 23.0 3.1 210 7 299.1 299.5 283.5 305.3 2.00 7 838 1683 11.6 -12.4 17 24.0 2.2 220 7 299.5 299.8 283.4 305.0 1.76 8 775 2328 6.0 -6.0 42 12.0 0.7 274 6 300.3 300.8 285.2 309.9 3.15 9 756 2531 5.4 -18.6 16 24.0 -2.5 291 6 301.7 302.0 283.6 305.5 1.16 10 714 2996 3.2 -29.8 7 33.0 -5.2 331 5 304.3 304.4 283.7 305.8 0.45 11 700 3156 3.2 -35.8 4 39.0 -5.7 345 5 306.0 306.1 284.1 306.9 0.26 12 674 3462 1.2 -38.8 3 40.0 -7.1 344 7 307.1 307.2 284.5 307.8 0.20 13 619 4144 -1.7 -30.7 9 29.0 -8.8 341 10 311.4 311.5 286.4 313.0 0.48 14 614 4209 -1.7 -12.7 43 11.0 -5.9 341 10 312.1 312.5 288.6 319.7 2.34 15 595 4459 -2.1 -22.1 20 20.0 -8.2 340 12 314.4 314.6 288.1 318.1 1.09 16 587 4567 -2.7 -11.7 50 9.0 -6.3 340 12 315.0 315.5 289.9 323.6 2.66 17 573 4758 -3.7 -11.7 54 8.0 -6.9 339 13 316.0 316.5 290.2 324.9 2.72 18 557 4982 -5.7 -11.7 63 6.0 -8.1 338 15 316.2 316.7 290.3 325.3 2.80 19 500 5820 -11.5 -19.5 52 8.0 -14.0 335 19 319.0 319.3 290.1 324.5 1.63 20 492 5943 -12.3 -20.3 51 8.0 -14.7 335 19 319.5 319.8 290.2 324.8 1.55 21 460 6453 -15.3 -33.3 20 18.0 -18.8 335 18 322.0 322.1 289.9 323.8 0.50 22 432 6923 -19.3 -30.3 37 11.0 -21.5 335 17 322.7 322.9 290.3 325.3 0.71 23 400 7490 -23.3 -38.3 24 15.0 -25.5 335 16 324.7 324.8 290.6 326.0 0.35 24 396 7563 -23.9 -39.9 21 16.0 -26.1 336 16 324.9 324.9 290.6 326.0 0.30 25 329 8884 -34.9 -57.9 8 23.0 -36.2 349 23 327.4 327.4 291.0 327.6 0.05 26 300 9520 -40.3 -59.3 11 19.0 -41.1 355 26 328.6 328.6 291.3 328.7 0.04 27 250 10730 -52.1 -59.1 43 7.0 -52.3 350 33 328.6 328.6 291.4 328.8 0.05 28 249 10756 -52.3 -59.3 43 7.0 -52.5 350 33 328.7 328.7 291.4 328.9 0.05 29 222 11489 -58.7 -62.7 60 4.0 -58.7 3 31 329.8 329.8 291.7 330.0 0.04 30 214 11719 -59.9 -68.9 30 9.0 -60.0 7 31 331.4 331.4 292.1 331.5 0.02 31 207 11926 -60.9 -66.9 45 6.0 -61.0 11 30 333.0 333.0 292.6 333.1 0.02 32 200 12140 -61.9 -67.9 45 6.0 -62.0 15 30 334.7 334.7 293.0 334.8 0.02 33 192 12391 -64.1 -68.1 58 4.0 -64.1 359 34 335.1 335.1 293.1 335.2 0.02 34 167 13240 -66.5 -76.5 23 10.0 -66.5 305 46 344.8 344.8 295.4 344.8 0.01 35 159 13540 -61.9 -84.9 3 23.0 -62.0 323 41 357.4 357.4 298.2 357.4 0.00 36 150 13900 -62.7 -84.7 4 22.0 -62.9 345 34 362.1 362.1 299.1 362.1 0.00 37 127 14912 -67.5 -86.5 5 19.0 -67.6 357 24 371.1 371.1 300.8 371.1 0.00 38 100 16350 -67.3 -87.3 4 20.0 -67.4 15 10 397.7 397.7 304.9 397.7 0.00 39 76 18007 -66.7 -87.7 4 21.0 -66.8 107 7 431.4 431.4 309.0 431.4 0.00 40 70 18500 -69.9 -88.9 5 19.0 -70.0 135 6 434.8 434.8 309.3 434.9 0.00 41 65 18945 -66.1 -89.1 3 23.0 -66.3 163 10 452.5 452.5 311.1 452.5 0.00 42 51 20419 -64.7 -89.7 2 25.0 -65.0 253 23 488.2 488.2 314.1 488.3 0.00 43 50 20540 -63.1 -89.1 2 26.0 -63.5 260 24 494.8 494.8 314.6 494.8 0.00 44 43 21476 -58.1 -88.1 1 30.0 -58.9 261 18 528.9 528.9 316.9 528.9 0.00 45 37 22422 -57.5 -87.5 1 30.0 -58.5 263 11 553.7 553.7 318.3 553.7 0.00 46 32 23334 -58.7 -87.7 1 29.0 -59.7 264 5 573.9 573.9 319.3 574.0 0.01 47 30 23740 -57.3 -87.3 1 30.0 -58.5 265 2 588.4 588.4 320.0 588.5 0.01 48 25 24895 -58.5 -87.5 1 29.0 -59.8 231 9 616.5 616.5 321.3 616.5 0.01 49 20 26320 -53.7 -85.7 1 32.0 -56.2 190 18 671.8 671.8 323.5 671.9 0.01 50 19 26648 -54.5 -85.5 1 31.0 -56.9 194 20 679.2 679.2 323.7 679.3 0.01 51 17 27370 -47.7 -82.7 1 35.0 -52.4 204 23 723.0 723.0 325.1 723.2 0.03 52 10 30850 -50.1 -84.1 1 34.0 -55.5 250 40 832.5 832.6 328.0 832.8 0.03 53 9.6 31118 -48.1 -84.1 1 36.0 -54.5 849.9 849.9 328.4 850.2 0.03 TRP 167 13240 -66.5 -76.5 23 10.0 -66.5 305 46 344.8 344.8 295.4 344.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5635.00 m Freezing level: 651.24 mb = 3744.44 m = 12284.77 ft Wetbulb zero: 770.74 mb = 2373.38 m = 7786.58 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 29.21 % Est. max temperature: 26.38 C = 79.48 F Sfc-Lift cond lev (LCL): 882.37 mb = 1249.79 m = 4100.33 ft T: 14.29 C 700-500 lapse rate: 5.52 C/km ThetaE index: 16.62 C Layer 986.0- 925.0 mb Conv cond level (CCL): 562.88 mb = 4898.87 m = 16072.22 ft Mean mixing ratio: 4.71 g/kg Conv temperature: 43.68 C = 110.62 F Cap Strength: 11.81 C Lifted Index: 11.86 C Risk: None Lifted Index @300 mb: 14.52 C Lifted Index @700 mb: 8.10 C Showalter Index: 13.79 C Risk: None Total Totals Index: 24.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 0.90 C K Index: -25.70 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 3.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.39 J/kg Max Up Vert Vel: 4.98 m/s Conv Inhibition (B-): 46779.87 J/kg Cap Strength: 11.73 C Lift Cond Lev (LCL): 758.68 mb = 2502.24 m = 8209.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 349 at 7 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 1008 116 160 3 -1.0 2.8 | 166 10 -2.5 10.1 1 1000 185 135 6 -4.2 4.2 | 154 13 -5.7 11.5 2 925 851 210 10 5.0 8.7 | 193 16 3.5 15.9 3 850 1564 210 7 3.5 6.1 | 189 13 2.0 13.3 4 700 3156 345 5 1.3 -4.8 | 176 2 -0.2 2.4 5 500 5820 335 19 8.0 -17.2 | 327 12 6.6 -10.0 6 400 7490 335 16 6.8 -14.5 | 324 9 5.3 -7.3 7 300 9520 355 26 2.3 -25.9 | 358 19 0.8 -18.7 8 250 10730 350 33 5.7 -32.5 | 350 26 4.3 -25.3 9 200 12140 15 30 -7.8 -29.0 | 23 24 -9.2 -21.7 10 167 13240 305 46 37.7 -26.4 | 298 41 36.2 -19.1 11 150 13900 345 34 8.8 -32.8 | 344 27 7.3 -25.6 12 100 16350 15 10 -2.6 -9.7 | 59 5 -4.0 -2.4 13 70 18500 135 6 -4.2 4.2 | 154 13 -5.7 11.5 14 50 20540 260 24 23.6 4.2 | 243 25 22.2 11.4 15 30 23740 265 2 2.0 0.2 | 184 7 0.5 7.4 16 20 26320 190 18 3.1 17.7 | 184 25 1.7 25.0 17 10 30850 250 40 37.6 13.7 | 240 42 36.1 20.9 Wind Parameters Mean winds (0-6000m): 318.6 at 9.8 knts Storm direction: 348.6 at 7.4 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 17.0 deg Storm rel helicity (0-3000m) pos: 56.1 neg: -11.8 tot: 44.3 m^2/s^2 ave: 14.8 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.35 Bulk Shear: 35.67 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 ------------------------------------------------------------------------------- 500 162 7 165 14| 6.1 0.0 6.1| 21.8 -7.0 14.8 29.6 0.33| 10.1 3.4 1000 191 8 180 15| 3.8 0.0 3.8| 40.4 -8.1 32.4 32.4 0.49| 7.8 3.8 1500 198 8 184 15| 2.0 0.0 2.0| 41.9 -10.2 31.6 21.1 0.42| 6.0 2.5 2000 206 8 188 14| 1.9 0.0 1.9| 53.0 -10.2 42.8 21.4 0.48| 5.8 2.8 2500 213 7 191 14| 1.7 0.0 1.7| 56.1 -10.2 45.9 18.4 0.46| 5.5 2.5 3000 214 7 191 13| 1.4 0.0 1.4| 56.1 -11.8 44.3 14.8 0.33| 5.3 1.8 4000 245 7 206 11| 1.3 0.3 1.7| 57.0 -12.0 45.0 11.2 0.36| 4.6 1.6 5000 300 8 241 6| 1.1 0.8 1.9| 57.4 -12.0 45.4 9.1 0.32| 4.3 1.4 6000 319 10 272 5| 0.9 1.0 1.9| 57.4 -12.8 44.6 7.4 0.28| 3.9 1.1 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251208.12.gif