UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 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 119 22.0 8.0 41 14.0 13.8 110 3 294.5 295.7 286.7 313.9 6.68 1 1000 188 20.6 7.6 43 13.0 13.1 65 3 293.8 294.9 286.3 312.7 6.55 2 982 344 18.8 6.8 46 12.0 12.0 94 4 293.5 294.6 285.9 311.7 6.31 3 965 494 18.4 4.4 40 14.0 10.8 122 5 294.5 295.5 285.5 310.4 5.43 4 957 565 19.2 -5.8 18 25.0 7.8 135 6 296.0 296.5 283.0 303.9 2.59 5 925 856 16.8 -6.2 20 23.0 6.5 190 8 296.5 297.0 283.1 304.4 2.60 6 850 1568 11.0 -10.0 22 21.0 2.5 210 6 297.7 298.0 283.1 304.1 2.10 7 784 2236 6.2 -15.8 19 22.0 -1.5 206 6 299.5 299.7 283.0 304.0 1.42 8 762 2469 5.0 -12.0 28 17.0 -1.4 204 5 300.6 301.0 284.1 306.9 2.00 9 755 2544 4.2 -1.8 65 6.0 1.3 204 5 300.6 301.4 286.7 313.9 4.44 10 726 2861 1.2 -2.1 79 3.3 -0.3 202 5 300.7 301.5 286.8 314.3 4.52 11 705 3096 -0.9 -3.7 81 2.8 -2.1 200 5 300.9 301.6 286.5 313.4 4.13 12 700 3153 -1.3 -4.5 79 3.2 -2.7 200 5 301.0 301.8 286.4 312.9 3.91 13 674 3454 -3.1 -9.1 63 6.0 -5.4 217 9 302.3 302.8 285.7 311.1 2.85 14 654 3692 -3.9 -35.9 6 32.0 -10.2 230 12 304.0 304.1 283.4 305.0 0.27 15 647 3777 -4.1 -30.1 11 26.0 -10.1 235 13 304.7 304.8 284.0 306.4 0.48 16 645 3802 -4.3 -15.3 42 11.0 -8.0 236 14 304.8 305.1 285.5 310.5 1.80 17 628 4012 -6.1 -14.1 53 8.0 -8.8 248 16 305.1 305.4 285.9 311.5 2.04 18 623 4074 -6.1 -13.1 58 7.0 -8.6 252 17 305.8 306.2 286.4 312.8 2.24 19 615 4176 -6.1 -24.1 23 18.0 -10.8 258 18 306.9 307.0 285.2 309.8 0.89 20 602 4342 -7.7 -20.7 34 13.0 -11.4 267 21 306.9 307.1 285.7 310.9 1.22 21 580 4632 -8.1 -45.1 3 37.0 -13.8 284 25 309.7 309.8 285.4 310.2 0.12 22 569 4781 -8.7 -44.7 4 36.0 -14.3 292 27 310.7 310.8 285.8 311.2 0.13 23 500 5770 -15.9 -50.9 3 35.0 -19.9 350 40 313.7 313.7 286.7 313.9 0.07 24 406 7293 -28.1 -53.1 7 25.0 -30.0 355 53 317.1 317.1 287.9 317.4 0.07 25 400 7400 -26.3 -60.3 3 34.0 -28.6 355 54 320.8 320.8 289.0 320.9 0.03 26 397 7455 -25.7 -61.7 2 36.0 -28.2 355 54 322.3 322.3 289.5 322.4 0.02 27 317 9051 -36.9 -62.9 5 26.0 -38.0 3 60 328.1 328.2 291.2 328.3 0.03 28 300 9430 -40.3 -65.3 5 25.0 -41.2 5 61 328.6 328.6 291.3 328.6 0.02 29 273 10068 -45.3 -59.2 20 13.9 -45.8 360 66 330.3 330.3 291.9 330.5 0.05 30 271 10117 -45.7 -58.7 22 13.0 -46.2 360 66 330.4 330.4 291.9 330.6 0.05 31 250 10650 -50.1 -64.1 18 14.0 -50.4 355 62 331.6 331.6 292.2 331.7 0.03 32 235 11050 -53.5 -71.5 9 18.0 -53.8 351 56 332.4 332.4 292.4 332.4 0.01 33 200 12070 -59.3 -76.3 9 17.0 -59.5 340 39 338.9 338.9 294.0 338.9 0.01 34 155 13641 -66.1 -82.1 9 16.0 -66.2 320 27 352.9 352.9 297.3 352.9 0.00 35 150 13840 -65.5 -83.5 6 18.0 -65.6 300 32 357.2 357.2 298.1 357.3 0.00 36 110 15728 -62.7 -86.7 3 24.0 -62.9 296 26 395.6 395.6 304.6 395.7 0.00 37 100 16310 -64.9 -87.9 3 23.0 -65.1 295 24 402.3 402.3 305.5 402.3 0.00 38 95 16622 -66.7 -87.7 4 21.0 -66.8 290 23 404.7 404.7 305.8 404.8 0.00 39 82 17510 -67.5 -88.5 4 21.0 -67.7 276 21 420.5 420.5 307.8 420.5 0.00 40 70 18470 -64.5 -89.5 2 25.0 -64.7 260 19 446.4 446.4 310.5 446.4 0.00 41 69 18558 -64.5 -89.5 2 25.0 -64.7 260 20 448.2 448.2 310.7 448.2 0.00 42 59 19512 -65.9 -90.9 2 25.0 -66.1 260 26 465.6 465.6 312.3 465.6 0.00 43 50 20530 -60.5 -89.5 1 29.0 -61.0 260 32 500.9 500.9 315.0 500.9 0.00 44 46 21051 -58.7 -89.7 1 31.0 -59.5 260 28 517.3 517.3 316.1 517.4 0.00 45 41 21770 -59.9 -89.9 1 30.0 -60.6 260 23 531.7 531.7 317.0 531.7 0.00 46 30 23730 -57.5 -89.5 1 32.0 -58.7 260 8 587.9 587.9 320.0 587.9 0.00 47 24 25157 -53.5 -88.5 1 35.0 -55.7 241 11 638.2 638.3 322.2 638.3 0.01 48 20 26330 -54.5 -87.5 1 33.0 -56.8 225 14 669.4 669.4 323.4 669.4 0.01 49 19 26657 -55.3 -88.3 1 33.0 -57.5 226 16 676.8 676.8 323.7 676.8 0.01 50 17 27372 -51.7 -87.7 1 36.0 -55.1 229 21 710.2 710.2 324.7 710.3 0.01 51 15 28179 -53.5 -87.5 1 34.0 -56.6 231 27 730.1 730.1 325.4 730.2 0.01 52 11 30187 -50.3 -86.3 1 36.0 -55.4 238 41 809.4 809.4 327.5 809.6 0.02 53 10 30810 -49.1 -87.1 0 38.0 -55.0 240 45 836.3 836.3 328.1 836.4 0.02 54 8.8 31655 -45.9 -84.9 0 39.0 -53.7 879.8 879.8 329.0 880.1 0.03 TRP 155 13641 -66.1 -82.1 9 16.0 -66.2 320 27 352.9 352.9 297.3 352.9 0.00 WND 273 10068 -45.3 -59.2 20 13.9 -45.8 360 66 330.3 330.3 291.9 330.5 0.05 Sounding variables and indices 1000-500 mb thick: 5582.00 m Freezing level: 714.00 mb = 2995.37 m = 9827.19 ft Wetbulb zero: 808.60 mb = 1980.67 m = 6498.19 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 29.90 % Est. max temperature: 25.07 C = 77.13 F Sfc-Lift cond lev (LCL): 819.07 mb = 1874.41 m = 6149.57 ft T: 8.80 C 700-500 lapse rate: 5.58 C/km ThetaE index: 9.97 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 641.41 mb = 3845.51 m = 12616.34 ft Mean mixing ratio: 4.22 g/kg Conv temperature: 32.38 C = 90.28 F Cap Strength: 7.63 C Lifted Index: 7.87 C Risk: None Lifted Index @300 mb: 14.99 C Lifted Index @700 mb: 3.95 C Showalter Index: 10.21 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: 5.90 C K Index: 13.70 Risk: None Sweat Index: 52.00 Risk: None Energy Index: 2.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.35 J/kg Max Up Vert Vel: 5.89 m/s Conv Inhibition (B-): 54273.44 J/kg Cap Strength: 7.85 C Lift Cond Lev (LCL): 734.06 mb = 2771.56 m = 9092.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 8 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 1008 119 110 3 -2.8 1.0 | 175 13 -1.1 12.5 1 1000 188 65 3 -2.7 -1.3 | 174 10 -1.0 10.2 2 925 856 190 8 1.4 7.9 | 189 20 3.1 19.3 3 850 1568 210 6 3.0 5.2 | 196 17 4.7 16.7 4 700 3153 200 5 1.7 4.7 | 192 17 3.4 16.2 5 500 5770 350 40 6.9 -39.4 | 343 29 8.6 -27.9 6 400 7400 355 54 4.7 -53.8 | 351 43 6.4 -42.3 7 300 9430 5 61 -5.3 -60.8 | 4 49 -3.6 -49.3 8 273 10068 360 66 -0.0 -66.0 | 358 55 1.7 -54.5 9 250 10650 355 62 5.4 -61.8 | 352 51 7.1 -50.3 10 200 12070 340 39 13.3 -36.6 | 329 29 15.0 -25.2 11 155 13641 320 27 17.4 -20.7 | 296 21 19.0 -9.2 12 150 13840 300 32 27.7 -16.0 | 279 30 29.4 -4.5 13 100 16310 295 24 21.8 -10.1 | 267 23 23.4 1.3 14 70 18470 260 19 18.7 3.3 | 234 25 20.4 14.8 15 50 20530 260 32 31.5 5.6 | 243 37 33.2 17.0 16 30 23730 260 8 7.9 1.4 | 217 16 9.6 12.8 17 20 26330 225 14 9.9 9.9 | 208 24 11.6 21.4 18 10 30810 240 45 39.0 22.5 | 230 53 40.7 34.0 Wind Parameters Mean winds (0-6000m): 338.4 at 15.4 knts Storm direction: 8.4 at 11.6 knts Shear (0-3000m) pos: 1.2 neg: 0.2 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 17.1 deg Storm rel helicity (0-3000m) pos: 40.7 neg: -9.0 tot: 31.7 m^2/s^2 ave: 10.6 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.36 Bulk Shear: 47.82 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 ------------------------------------------------------------------------------- 500 118 4 171 14| 4.3 0.0 4.3| 6.4 -4.2 2.2 4.5 0.02| 9.2 0.2 1000 178 6 185 17| 4.0 0.0 4.0| 35.0 -4.2 30.8 30.8 0.38| 8.1 3.1 1500 189 6 188 18| 2.4 0.0 2.4| 40.7 -4.2 36.5 24.3 0.41| 6.1 2.5 2000 194 6 190 18| 1.8 0.1 1.9| 40.7 -5.9 34.7 17.4 0.38| 4.7 1.8 2500 197 6 191 17| 1.5 0.2 1.6| 40.7 -7.5 33.1 13.2 0.35| 3.8 1.3 3000 198 6 192 17| 1.2 0.2 1.4| 40.7 -9.0 31.7 10.6 0.32| 3.3 1.1 4000 216 7 199 18| 2.8 0.2 3.0|125.0 -9.0 116.0 29.0 0.57| 4.7 2.7 5000 274 11 229 16| 3.6 0.1 3.7|317.5 -9.0 308.5 61.7 0.76| 6.6 5.0 6000 338 15 291 8| 3.8 0.1 3.9|505.7 -9.0 496.7 82.8 0.81| 7.9 6.4 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251207.12.gif