UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 6 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 1009 122 20.4 13.4 64 7.0 16.0 55 7 292.8 294.5 288.8 320.2 9.61 1 1007 139 18.8 13.8 73 5.0 15.7 56 8 291.4 293.1 288.5 319.4 9.89 2 1000 199 18.4 13.4 73 5.0 15.3 60 11 291.5 293.3 288.4 319.1 9.70 3 925 861 12.4 11.6 95 0.8 11.9 325 8 292.0 293.6 288.2 318.5 9.31 4 916 943 11.8 11.0 95 0.8 11.3 311 9 292.2 293.8 288.1 317.9 9.03 5 899 1100 12.2 5.2 62 7.0 8.4 285 10 294.2 295.3 286.1 312.1 6.17 6 853 1540 10.6 -3.4 37 14.0 4.1 210 14 297.0 297.6 284.3 307.4 3.48 7 850 1569 10.6 -2.4 40 13.0 4.4 205 14 297.3 297.9 284.8 308.5 3.77 8 778 2299 5.2 -6.8 42 12.0 0.1 191 8 299.1 299.6 284.6 308.1 2.95 9 726 2860 1.2 -0.2 90 1.4 0.5 181 3 300.7 301.6 287.5 316.2 5.20 10 700 3153 -0.9 -2.6 88 1.7 -1.7 175 1 301.5 302.3 287.1 315.1 4.51 11 687 3303 -1.5 -6.0 71 4.5 -3.4 178 1 302.4 303.1 286.5 313.3 3.55 12 682 3361 -2.1 -4.0 87 1.9 -3.0 178 2 302.4 303.2 287.1 315.1 4.17 13 677 3420 -2.1 -11.1 50 9.0 -5.5 179 2 303.0 303.5 285.5 310.6 2.42 14 671 3490 -2.5 -12.5 46 10.0 -6.1 181 2 303.4 303.8 285.4 310.2 2.18 15 655 3682 -4.1 -13.1 50 9.0 -7.3 184 2 303.7 304.1 285.4 310.4 2.13 16 649 3754 -4.7 -7.0 84 2.3 -5.7 185 3 303.8 304.4 286.9 314.5 3.48 17 630 3988 -6.5 -7.3 94 0.8 -6.8 189 3 304.3 305.0 287.1 315.1 3.51 18 536 5235 -14.5 -17.7 77 3.2 -15.4 211 7 309.2 309.5 287.1 314.9 1.77 19 524 5406 -15.1 -22.1 55 7.0 -16.9 214 7 310.4 310.7 286.9 314.6 1.24 20 500 5760 -17.5 -22.5 65 5.0 -18.7 220 8 311.7 311.9 287.4 315.9 1.26 21 487 5957 -18.7 -23.7 65 5.0 -19.9 223 9 312.6 312.8 287.6 316.5 1.16 22 456 6443 -22.9 -25.3 81 2.4 -23.4 230 11 313.3 313.5 287.7 316.9 1.07 23 422 7007 -27.1 -37.1 38 10.0 -28.4 239 13 314.9 315.0 287.5 316.2 0.37 24 405 7301 -29.7 -37.7 46 8.0 -30.6 244 15 315.3 315.3 287.6 316.6 0.37 25 400 7390 -30.1 -40.1 37 10.0 -31.2 245 15 315.9 315.9 287.7 316.9 0.29 26 377 7809 -31.7 -51.7 12 20.0 -33.1 241 19 319.1 319.2 288.6 319.5 0.09 27 374 7865 -31.5 -54.5 8 23.0 -33.0 240 19 320.1 320.2 288.9 320.4 0.06 28 361 8114 -32.1 -62.1 3 30.0 -33.7 238 22 322.6 322.6 289.6 322.7 0.02 29 300 9390 -42.1 -66.1 6 24.0 -42.8 225 34 326.0 326.0 290.6 326.1 0.02 30 250 10600 -51.5 -69.5 10 18.0 -51.8 240 31 329.5 329.5 291.6 329.6 0.01 31 244 10757 -52.7 -67.7 15 15.0 -52.9 242 30 330.0 330.0 291.7 330.1 0.02 32 200 12020 -59.1 -79.1 6 20.0 -59.3 260 24 339.2 339.2 294.1 339.2 0.00 33 186 12473 -60.9 -78.9 8 18.0 -61.0 245 25 343.4 343.4 295.1 343.4 0.00 34 150 13810 -60.9 -83.9 3 23.0 -61.1 230 30 365.2 365.2 299.7 365.2 0.00 35 133 14553 -64.1 -85.1 4 21.0 -64.2 237 29 372.2 372.2 300.9 372.3 0.00 36 100 16300 -64.3 -86.3 3 22.0 -64.5 255 27 403.5 403.5 305.7 403.5 0.00 37 70 18470 -64.9 -87.9 3 23.0 -65.1 255 36 445.5 445.5 310.4 445.6 0.00 38 63 19110 -67.9 -88.9 3 21.0 -68.1 258 34 452.6 452.6 311.1 452.6 0.00 39 50 20520 -63.3 -89.3 2 26.0 -63.7 265 29 494.3 494.3 314.5 494.3 0.00 40 38 22223 -57.9 -86.9 1 29.0 -58.9 257 26 548.4 548.4 318.0 548.5 0.01 41 30 23710 -57.9 -86.9 1 29.0 -59.0 250 23 586.8 586.8 320.0 586.8 0.01 42 27 24378 -56.3 -86.3 1 30.0 -57.8 241 20 609.2 609.2 321.0 609.3 0.01 43 24 25126 -57.3 -87.3 1 30.0 -58.8 231 16 627.2 627.2 321.8 627.3 0.01 44 22 25681 -54.1 -86.1 1 32.0 -56.3 223 13 652.5 652.5 322.8 652.6 0.01 45 20 26290 -56.5 -86.5 1 30.0 -58.4 215 10 663.2 663.2 323.2 663.3 0.01 46 16 27713 -55.7 -86.7 1 31.0 -58.2 225 26 709.5 709.6 324.7 709.6 0.01 47 15 28130 -50.5 -84.5 1 34.0 -54.6 227 31 740.0 740.1 325.7 740.2 0.02 48 13 29062 -52.5 -85.5 1 33.0 -56.3 234 42 764.0 764.0 326.3 764.2 0.02 49 10 30780 -47.5 -83.5 1 36.0 -54.1 245 61 842.2 842.3 328.2 842.6 0.04 50 8.3 32003 -50.5 -84.5 1 34.0 -56.4 876.5 876.5 329.0 876.9 0.04 51 7.2 32937 -47.5 -83.5 1 36.0 -55.3 925.2 925.2 329.9 925.7 0.05 TRP 186 12473 -60.9 -78.9 8 18.0 -61.0 245 25 343.4 343.4 295.1 343.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5561.00 m Freezing level: 711.14 mb = 3027.62 m = 9933.02 ft Wetbulb zero: 720.14 mb = 2925.45 m = 9597.82 ft Precipitable water: 0.97 inches Sfc-500 mean rel hum: 70.16 % Est. max temperature: 24.19 C = 75.54 F Sfc-Lift cond lev (LCL): 909.70 mb = 1000.94 m = 3283.89 ft T: 11.95 C 700-500 lapse rate: 6.37 C/km ThetaE index: 12.81 C Layer 1007.0- 850.0 mb Conv cond level (CCL): 848.03 mb = 1588.13 m = 5210.35 ft Mean mixing ratio: 9.42 g/kg Conv temperature: 24.91 C = 76.85 F Cap Strength: 2.14 C Lifted Index: -0.35 C Risk: Thunderstorms probable Lifted Index @300 mb: 5.69 C Lifted Index @700 mb: -0.74 C Showalter Index: 5.74 C Risk: None Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 28.10 C Cross Totals Index: 15.10 C K Index: 24.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 36.00 Risk: None Energy Index: 1.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 121.85 J/kg Max Up Vert Vel: 15.61 m/s Conv Inhibition (B-): 71.72 J/kg Cap Strength: 2.14 C Lift Cond Lev (LCL): 918.37 mb = 921.35 m = 3022.75 ft Lev Free Conv (LFC): 743.37 mb = 2668.65 m = 8755.30 ft Equ Level (EL): 393.37 mb = 7508.16 m = 24632.78 ft B at Equ Level: 117.93 J/kg Max Parcel Lev (MPL): 343.37 mb = 8459.34 m = 27753.42 ft Wind level data Storm motion: 246 at 5 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 1009 122 55 7 -5.7 -4.0 | 60 12 -10.4 -6.1 1 1000 199 60 11 -9.5 -5.5 | 62 16 -14.2 -7.6 2 925 861 325 8 4.6 -6.6 | 1 9 -0.1 -8.6 3 850 1569 205 14 5.9 12.7 | 187 11 1.2 10.6 4 700 3153 175 1 -0.1 1.0 | 77 5 -4.8 -1.1 5 500 5760 220 8 5.1 6.1 | 186 4 0.4 4.0 6 400 7390 245 15 13.6 6.3 | 244 10 8.9 4.3 7 300 9390 225 34 24.0 24.0 | 221 29 19.3 22.0 8 250 10600 240 31 26.8 15.5 | 239 26 22.1 13.4 9 200 12020 260 24 23.6 4.2 | 264 19 18.9 2.1 10 186 12473 245 25 22.7 10.6 | 245 20 18.0 8.5 11 150 13810 230 30 23.0 19.3 | 227 25 18.3 17.2 12 100 16300 255 27 26.1 7.0 | 257 22 21.4 4.9 13 70 18470 255 36 34.8 9.3 | 256 31 30.1 7.2 14 50 20520 265 29 28.9 2.5 | 269 24 24.2 0.4 15 30 23710 250 23 21.6 7.9 | 251 18 16.9 5.8 16 20 26290 215 10 5.7 8.2 | 190 6 1.0 6.1 17 10 30780 245 61 55.3 25.8 | 245 56 50.6 23.7 Wind Parameters Mean winds (0-6000m): 216.1 at 6.8 knts Storm direction: 246.1 at 5.1 knts Shear (0-3000m) pos: 0.0 neg: 1.3 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 20.5 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -111.0 tot: -111.0 m^2/s^2 ave: -37.0 10^-3 m/s^2 rel: -0.85 Storm rel vorticity (0-3000m) horiz: 9.7 stream: -8.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.29 Bulk Shear: 37.03 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 37 10 47 15| 0.0 8.0 8.0| 0.0 -35.2 -35.2 -70.3 -0.66| 14.5 -9.6 1000 3 9 25 13| 0.0 8.2 8.2| 0.0 -60.1 -60.1 -60.1 -0.77| 13.7-10.5 1500 309 10 339 9| 0.0 6.8 6.8| 0.0 -91.4 -91.4 -60.9 -0.84| 14.9-12.5 2000 225 11 208 6| 0.0 4.0 4.0| 0.0 -99.5 -99.5 -49.8 -0.83| 12.3-10.3 2500 214 10 188 6| 0.0 2.3 2.3| 0.0-105.7-105.7 -42.3 -0.84| 10.7 -9.0 3000 215 9 183 5| 0.0 1.3 1.3| 0.0-111.0-111.0 -37.0 -0.85| 9.7 -8.2 4000 211 7 166 4| 0.3 1.0 1.3| 2.9-111.0-108.1 -27.0 -0.77| 7.6 -5.8 5000 211 7 161 4| 0.5 0.8 1.3| 6.1-111.0-105.0 -21.0 -0.68| 6.4 -4.3 6000 216 7 169 4| 0.8 0.7 1.4| 10.1-111.0-101.0 -16.8 -0.59| 5.7 -3.3 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251206.12.gif