UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:0000Z 7 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 123 17.2 12.5 74 4.7 14.3 285 3 289.7 291.3 287.2 315.2 9.06 1 1005 148 18.8 12.8 68 6.0 15.1 300 4 291.5 293.2 288.1 317.9 9.27 2 1000 191 18.6 13.6 73 5.0 15.5 325 5 291.8 293.5 288.6 319.6 9.83 3 976 399 16.6 13.4 81 3.2 14.6 288 6 291.8 293.5 288.7 320.0 9.94 4 945 673 15.2 8.2 63 7.0 11.2 238 7 293.1 294.3 286.7 313.8 7.23 5 943 691 16.8 -1.2 29 18.0 8.0 235 7 294.9 295.5 283.7 305.9 3.71 6 939 728 17.6 -4.4 22 22.0 7.4 228 7 296.0 296.6 283.4 304.9 2.93 7 925 856 17.2 -5.8 20 23.0 6.8 205 8 296.9 297.4 283.4 305.0 2.68 8 919 911 17.2 -8.8 16 26.0 6.1 203 8 297.4 297.8 283.0 304.0 2.13 9 850 1569 11.4 -11.6 19 23.0 2.4 185 12 298.1 298.4 282.9 303.8 1.85 10 783 2248 5.6 -12.4 26 18.0 -1.2 208 11 299.0 299.3 283.3 304.8 1.88 11 751 2587 2.6 -5.4 56 8.0 -0.9 220 10 299.3 299.9 285.2 309.6 3.40 12 728 2838 1.4 0.3 92 1.1 0.8 229 10 300.6 301.6 287.6 316.7 5.38 13 700 3153 -0.5 -2.3 88 1.8 -1.3 240 9 301.9 302.8 287.4 315.9 4.62 14 634 3934 -7.1 -8.1 93 1.0 -7.5 252 8 303.1 303.7 286.5 313.2 3.27 15 623 4071 -5.7 -39.7 5 34.0 -11.8 254 8 306.2 306.2 284.1 306.9 0.19 16 557 4937 -12.5 -42.5 6 30.0 -16.9 267 6 308.1 308.2 284.8 308.7 0.16 17 556 4951 -12.7 -35.7 13 23.0 -16.7 267 6 308.1 308.1 285.0 309.2 0.33 18 555 4965 -12.9 -17.6 68 4.7 -14.3 268 6 308.0 308.3 286.6 313.6 1.73 19 524 5399 -16.9 -17.2 98 0.3 -17.0 274 6 308.3 308.6 286.9 314.4 1.89 20 500 5750 -18.9 -19.5 95 0.6 -19.1 280 5 310.0 310.3 287.2 315.3 1.63 21 494 5840 -19.5 -20.3 93 0.8 -19.7 280 5 310.3 310.6 287.2 315.4 1.54 22 489 5915 -20.1 -26.1 59 6.0 -21.4 280 5 310.5 310.7 286.6 313.6 0.93 23 474 6145 -21.7 -23.5 85 1.8 -22.1 280 5 311.3 311.5 287.2 315.3 1.21 24 450 6525 -24.3 -35.3 35 11.0 -25.9 280 6 312.7 312.8 286.8 314.2 0.42 25 412 7160 -29.5 -36.5 51 7.0 -30.3 280 7 314.0 314.1 287.2 315.4 0.41 26 404 7299 -30.3 -44.3 24 14.0 -31.6 280 7 314.7 314.7 287.2 315.4 0.18 27 400 7370 -30.9 -42.9 30 12.0 -32.0 280 7 314.8 314.9 287.3 315.6 0.22 28 377 7788 -33.7 -48.7 21 15.0 -34.8 291 9 316.5 316.5 287.8 317.0 0.12 29 356 8191 -32.9 -61.9 4 29.0 -34.4 302 12 322.8 322.8 289.6 322.9 0.03 30 306 9244 -38.3 -72.3 2 34.0 -39.4 331 18 329.5 329.5 291.6 329.5 0.01 31 300 9380 -39.3 -73.3 1 34.0 -40.3 335 19 330.0 330.0 291.7 330.0 0.01 32 250 10610 -47.7 -70.7 5 23.0 -48.2 300 17 335.2 335.2 293.1 335.2 0.01 33 217 11531 -54.5 -72.5 9 18.0 -54.8 287 22 338.5 338.5 294.0 338.5 0.01 34 200 12050 -57.1 -75.1 8 18.0 -57.3 280 25 342.3 342.3 294.9 342.4 0.01 35 181 12674 -60.7 -76.7 10 16.0 -60.9 271 26 346.4 346.4 295.8 346.4 0.01 36 150 13830 -64.1 -82.1 7 18.0 -64.2 255 29 359.7 359.7 298.7 359.7 0.00 37 141 14207 -66.5 -84.5 6 18.0 -66.6 285 31 361.9 361.9 299.1 361.9 0.00 38 133 14563 -63.9 -85.9 3 22.0 -64.0 280 32 372.6 372.6 301.0 372.6 0.00 39 100 16300 -66.9 -86.9 4 20.0 -67.0 255 35 398.5 398.5 305.0 398.5 0.00 40 81 17573 -66.9 -87.9 4 21.0 -67.1 264 28 423.2 423.2 308.1 423.2 0.00 41 70 18460 -64.1 -89.1 2 25.0 -64.4 270 23 447.3 447.3 310.6 447.3 0.00 42 65 18913 -61.9 -88.9 2 27.0 -62.3 268 23 461.6 461.6 311.9 461.7 0.00 43 53 20171 -61.5 -89.5 1 28.0 -62.0 262 22 490.3 490.3 314.2 490.3 0.00 44 50 20530 -62.3 -89.3 2 27.0 -62.7 260 22 496.7 496.7 314.7 496.7 0.00 45 44 21317 -62.9 -89.9 1 27.0 -63.4 256 19 513.7 513.7 315.9 513.7 0.00 46 38 22232 -56.7 -88.7 1 32.0 -57.8 252 15 551.5 551.5 318.2 551.5 0.00 47 32 23322 -55.9 -87.9 1 32.0 -57.3 247 11 581.4 581.4 319.8 581.4 0.01 48 30 23730 -58.5 -89.5 1 31.0 -59.6 245 9 585.2 585.2 319.9 585.2 0.00 49 20 26300 -54.3 -88.3 1 34.0 -56.7 265 21 670.0 670.0 323.4 670.0 0.01 50 15 28153 -52.5 -86.5 1 34.0 -55.9 261 35 733.4 733.4 325.4 733.5 0.01 51 12 29587 -55.3 -88.3 1 33.0 -58.5 258 46 771.8 771.8 326.5 771.9 0.01 52 11 30151 -48.7 -85.7 1 37.0 -54.4 256 50 815.2 815.2 327.6 815.4 0.02 53 10 30780 -47.3 -85.3 1 38.0 -53.9 255 55 843.0 843.0 328.2 843.2 0.03 54 9.0 31480 -45.1 -85.1 0 40.0 -53.2 877.2 877.3 329.0 877.5 0.03 55 8.2 32100 -46.7 -85.7 0 39.0 -54.4 894.6 894.6 329.3 894.9 0.03 56 7.8 32435 -42.3 -83.3 0 41.0 -52.5 925.1 925.1 329.9 925.6 0.05 57 7.1 33066 -45.9 -84.9 0 39.0 -54.6 935.5 935.5 330.1 935.9 0.04 TRP 141 14207 -66.5 -84.5 6 18.0 -66.6 285 31 361.9 361.9 299.1 361.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5559.00 m Freezing level: 707.37 mb = 3070.15 m = 10072.54 ft Wetbulb zero: 804.96 mb = 2019.02 m = 6623.98 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 51.16 % Est. max temperature: 25.55 C = 77.99 F Sfc-Lift cond lev (LCL): 939.86 mb = 719.81 m = 2361.54 ft T: 17.43 C 700-500 lapse rate: 7.09 C/km ThetaE index: 15.12 C Layer 945.0- 925.0 mb Conv cond level (CCL): 766.88 mb = 2416.87 m = 7929.28 ft Mean mixing ratio: 6.71 g/kg Conv temperature: 26.65 C = 79.97 F Cap Strength: 4.34 C Lifted Index: 1.41 C Risk: Showers probable Lifted Index @300 mb: 12.18 C Lifted Index @700 mb: 2.06 C Showalter Index: 7.45 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 30.30 C Cross Totals Index: 7.30 C K Index: 16.90 Risk: < 20 % chance of thunderstorms Sweat Index: 29.00 Risk: None Energy Index: 2.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.72 J/kg Max Up Vert Vel: 8.09 m/s Conv Inhibition (B-): 66382.27 J/kg Cap Strength: 4.34 C Lift Cond Lev (LCL): 828.00 mb = 1785.70 m = 5858.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 at 6 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 123 285 3 2.9 -0.8 | 59 4 -3.1 -1.8 1 1000 191 325 5 2.9 -4.1 | 31 6 -3.1 -5.1 2 925 856 205 8 3.4 7.3 | 158 7 -2.6 6.2 3 850 1569 185 12 1.0 12.0 | 156 12 -4.9 10.9 4 700 3153 240 9 7.8 4.5 | 208 4 1.8 3.5 5 500 5750 280 5 4.9 -0.9 | 28 2 -1.0 -1.9 6 400 7370 280 7 6.9 -1.2 | 337 2 0.9 -2.2 7 300 9380 335 19 8.0 -17.2 | 353 18 2.1 -18.3 8 250 10610 300 17 14.7 -8.5 | 317 13 8.8 -9.5 9 200 12050 280 25 24.6 -4.3 | 286 19 18.7 -5.4 10 150 13830 255 29 28.0 7.5 | 254 23 22.1 6.5 11 141 14207 285 31 29.9 -8.0 | 291 26 24.0 -9.1 12 100 16300 255 35 33.8 9.1 | 254 29 27.9 8.0 13 70 18460 270 23 23.0 -0.0 | 273 17 17.0 -1.0 14 50 20530 260 22 21.7 3.8 | 260 16 15.7 2.8 15 30 23730 245 9 8.2 3.8 | 219 4 2.2 2.8 16 20 26300 265 21 20.9 1.8 | 267 15 15.0 0.8 17 10 30780 255 55 53.1 14.2 | 254 49 47.2 13.2 Wind Parameters Mean winds (0-6000m): 230.2 at 8.1 knts Storm direction: 260.2 at 6.0 knts Shear (0-3000m) pos: 1.6 neg: 2.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 147.1 deg Storm rel helicity (0-3000m) pos: 14.3 neg: -9.2 tot: 5.1 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 5.5 stream: -0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.10 Bulk Shear: 5.37 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 ------------------------------------------------------------------------------- 500 282 6 10 2| 0.0 5.1 5.1| 0.0 -5.2 -5.2 -10.4 -0.69| 12.1 -8.4 1000 226 7 165 4| 0.0 5.1 5.1| 0.2 -7.9 -7.7 -7.7 -0.55| 9.9 -5.4 1500 205 8 159 7| 0.0 4.3 4.3| 0.7 -9.2 -8.4 -5.6 -0.48| 7.7 -3.7 2000 201 9 160 8| 0.9 3.3 4.2| 7.5 -9.2 -1.7 -0.8 -0.32| 6.7 -2.2 2500 204 9 164 8| 1.4 2.6 4.0| 11.8 -9.2 2.6 1.0 -0.22| 6.0 -1.3 3000 207 9 167 7| 1.6 2.2 3.8| 14.3 -9.2 5.1 1.7 -0.14| 5.5 -0.8 4000 217 9 176 6| 1.5 1.6 3.1| 15.3 -9.2 6.1 1.5 -0.09| 4.5 -0.4 5000 224 9 181 5| 1.3 1.3 2.6| 15.7 -9.2 6.6 1.3 -0.03| 3.9 -0.1 6000 230 8 183 4| 1.1 1.1 2.2| 16.0 -9.4 6.6 1.1 -0.02| 3.4 -0.1 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251207.00.gif