UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:0000Z 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 14.8 8.8 67 6.0 11.4 280 1 287.3 288.5 284.2 307.1 7.06 1 1006 133 19.0 12.0 64 7.0 14.7 305 1 291.7 293.2 287.6 316.6 8.78 2 1000 184 19.0 10.0 56 9.0 13.7 20 1 292.1 293.5 286.8 314.2 7.72 3 987 296 19.2 4.2 37 15.0 11.1 38 1 293.4 294.4 284.8 308.7 5.24 4 980 357 18.6 10.6 60 8.0 13.8 49 2 293.4 294.9 287.8 317.0 8.21 5 977 384 19.0 4.0 37 15.0 10.9 53 2 294.1 295.0 285.1 309.3 5.22 6 960 534 19.2 -1.8 24 21.0 8.9 78 2 295.8 296.4 283.9 306.2 3.49 7 959 543 19.2 -1.8 24 21.0 8.9 79 2 295.9 296.5 283.9 306.3 3.49 8 925 852 16.8 -2.2 27 19.0 7.6 130 3 296.5 297.1 284.2 307.0 3.51 9 912 972 16.2 -11.8 13 28.0 5.0 138 3 297.1 297.4 282.3 302.3 1.69 10 850 1564 11.2 -8.8 24 20.0 2.9 180 1 297.9 298.3 283.4 305.0 2.31 11 819 1873 9.0 -10.0 25 19.0 1.4 208 2 298.7 299.1 283.6 305.5 2.18 12 816 1903 8.6 -2.4 46 11.0 3.4 210 2 298.6 299.3 285.5 310.4 3.93 13 795 2118 7.6 -14.4 19 22.0 -0.4 230 2 299.8 300.1 283.3 304.7 1.57 14 738 2725 2.0 -5.0 60 7.0 -1.1 286 3 300.1 300.8 285.7 311.0 3.57 15 721 2913 2.6 -16.4 23 19.0 -3.9 303 4 302.8 303.1 284.4 307.5 1.47 16 700 3151 0.6 -16.4 27 17.0 -5.1 325 4 303.1 303.4 284.5 308.0 1.51 17 692 3243 0.0 -20.0 21 20.0 -6.1 326 5 303.5 303.7 284.2 307.1 1.13 18 500 5790 -11.1 -49.1 3 38.0 -16.5 345 26 319.5 319.5 288.7 319.8 0.09 19 447 6639 -17.3 -52.3 3 35.0 -21.2 345 29 322.1 322.1 289.5 322.4 0.07 20 400 7460 -23.5 -32.5 43 9.0 -25.1 345 31 324.4 324.6 290.7 326.7 0.62 21 372 7984 -28.3 -34.3 56 6.0 -29.2 342 32 324.9 325.0 290.8 326.9 0.56 22 341 8602 -32.1 -49.1 17 17.0 -33.5 339 33 327.9 327.9 291.3 328.4 0.13 23 300 9490 -40.3 -48.3 42 8.0 -40.8 335 34 328.6 328.6 291.5 329.2 0.16 24 285 9839 -43.3 -50.3 46 7.0 -43.7 334 37 329.1 329.2 291.6 329.7 0.13 25 256 10555 -49.7 -65.7 14 16.0 -50.0 331 42 329.9 329.9 291.7 330.0 0.02 26 250 10710 -51.1 -64.1 20 13.0 -51.4 330 43 330.1 330.1 291.7 330.2 0.03 27 218 11583 -58.9 -65.9 40 7.0 -59.0 330 30 331.2 331.2 292.1 331.3 0.02 28 212 11758 -60.3 -71.3 22 11.0 -60.4 330 27 331.7 331.7 292.2 331.7 0.01 29 211 11787 -60.3 -71.3 22 11.0 -60.4 330 27 332.1 332.1 292.3 332.2 0.01 30 205 11967 -60.3 -75.3 12 15.0 -60.4 330 24 334.9 334.9 293.0 334.9 0.01 31 200 12120 -61.3 -74.3 16 13.0 -61.4 330 22 335.7 335.7 293.2 335.7 0.01 32 168 13184 -67.7 -77.7 23 10.0 -67.8 305 36 342.2 342.2 294.8 342.2 0.01 33 152 13789 -64.9 -79.9 11 15.0 -65.0 336 32 356.9 356.9 298.1 356.9 0.00 34 150 13870 -65.5 -80.5 11 15.0 -65.6 340 31 357.2 357.2 298.1 357.3 0.00 35 135 14508 -68.5 -84.5 8 16.0 -68.6 336 30 362.9 362.9 299.2 362.9 0.00 36 100 16320 -66.3 -86.3 4 20.0 -66.4 325 27 399.6 399.6 305.2 399.6 0.00 37 74 18135 -67.5 -87.5 4 20.0 -67.7 287 24 433.0 433.0 309.1 433.1 0.00 38 70 18470 -66.9 -87.9 4 21.0 -67.1 280 23 441.3 441.3 310.0 441.3 0.00 39 66 18827 -64.7 -87.7 3 23.0 -65.0 273 21 453.5 453.5 311.2 453.5 0.00 40 57 19719 -65.9 -88.9 3 23.0 -66.1 256 16 470.2 470.2 312.7 470.2 0.00 41 54 20051 -60.9 -86.9 2 26.0 -61.4 249 14 489.1 489.1 314.1 489.1 0.00 42 50 20530 -60.3 -87.3 2 27.0 -60.9 240 11 501.4 501.4 315.1 501.4 0.00 43 47 20917 -58.7 -86.7 2 28.0 -59.4 243 11 514.2 514.2 315.9 514.2 0.00 44 44 21330 -60.7 -87.7 2 27.0 -61.3 246 10 519.1 519.1 316.2 519.1 0.00 45 38 22248 -58.1 -87.1 1 29.0 -59.0 253 9 547.9 547.9 318.0 548.0 0.01 46 34 22945 -60.7 -87.7 2 27.0 -61.4 259 8 558.8 558.8 318.6 558.8 0.01 47 32 23322 -60.1 -87.1 2 27.0 -61.0 262 8 570.2 570.2 319.2 570.2 0.01 48 31 23522 -56.5 -86.5 1 30.0 -57.8 263 7 585.1 585.1 319.9 585.1 0.01 49 30 23730 -57.3 -86.3 1 29.0 -58.5 265 7 588.4 588.4 320.0 588.5 0.01 50 25 24888 -55.1 -85.1 1 30.0 -56.9 278 11 626.2 626.3 321.7 626.3 0.01 51 22 25697 -58.9 -86.9 2 28.0 -60.3 288 15 638.2 638.2 322.2 638.3 0.01 52 20 26300 -55.5 -85.5 1 30.0 -57.6 295 17 666.3 666.3 323.3 666.4 0.01 53 18 26975 -53.3 -84.3 1 31.0 -56.1 693.6 693.6 324.2 693.8 0.02 54 18 26975 -53.3 -84.3 1 31.0 -56.1 693.6 693.6 324.2 693.8 0.02 55 13 29078 -51.7 -83.7 1 32.0 -55.8 766.8 766.8 326.4 767.0 0.03 56 13 29078 -48.9 -82.9 1 34.0 -53.9 776.5 776.5 326.7 776.8 0.03 57 11 30170 -51.3 -83.3 1 32.0 -56.0 805.8 805.8 327.4 806.1 0.03 TRP 168 13184 -67.7 -77.7 23 10.0 -67.8 305 36 342.2 342.2 294.8 342.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5606.00 m Freezing level: 692.00 mb = 3243.05 m = 10639.81 ft Wetbulb zero: 797.33 mb = 2093.93 m = 6869.75 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 21.73 % Est. max temperature: 25.31 C = 77.55 F Sfc-Lift cond lev (LCL): 921.17 mb = 887.26 m = 2910.91 ft T: 16.62 C 700-500 lapse rate: 4.43 C/km ThetaE index: 10.81 C Layer 977.0- 959.0 mb Conv cond level (CCL): 603.69 mb = 4313.07 m = 14150.33 ft Mean mixing ratio: 4.49 g/kg Conv temperature: 37.74 C = 99.93 F Cap Strength: 6.10 C Lifted Index: 12.32 C Risk: None Lifted Index @300 mb: 14.58 C Lifted Index @700 mb: 5.56 C Showalter Index: 14.49 C Risk: None Total Totals Index: 24.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 2.30 C K Index: -3.50 Risk: None Sweat Index: 28.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.76 J/kg Max Up Vert Vel: 6.60 m/s Conv Inhibition (B-): 50534.41 J/kg Cap Strength: 12.02 C Lift Cond Lev (LCL): 746.00 mb = 2636.69 m = 8650.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 13 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 116 280 1 1.0 -0.2 | 201 7 2.5 6.7 1 1000 184 20 1 -0.3 -0.9 | 192 6 1.2 5.9 2 925 852 130 3 -2.3 1.9 | 175 9 -0.7 8.8 3 850 1564 180 1 0.0 1.0 | 191 8 1.5 7.8 4 700 3151 325 4 2.3 -3.3 | 227 5 3.8 3.6 5 500 5790 345 26 6.7 -25.1 | 336 20 8.3 -18.3 6 400 7460 345 31 8.0 -29.9 | 338 25 9.6 -23.1 7 300 9490 335 34 14.4 -30.8 | 326 29 15.9 -24.0 8 250 10710 330 43 21.5 -37.2 | 323 38 23.0 -30.4 9 200 12120 330 22 11.0 -19.1 | 314 18 12.5 -12.2 10 168 13184 305 36 29.5 -20.6 | 294 34 31.0 -13.8 11 150 13870 340 31 10.6 -29.1 | 331 25 12.2 -22.3 12 100 16320 325 27 15.5 -22.1 | 312 23 17.0 -15.3 13 70 18470 280 23 22.7 -4.0 | 263 24 24.2 2.8 14 50 20530 240 11 9.5 5.5 | 222 17 11.1 12.3 15 30 23730 265 7 7.0 0.6 | 229 11 8.5 7.4 16 20 26300 295 17 15.4 -7.2 | 271 17 17.0 -0.4 Wind Parameters Mean winds (0-6000m): 342.8 at 9.3 knts Storm direction: 12.8 at 7.0 knts Shear (0-3000m) pos: 0.6 neg: 0.0 tot: 0.6 10-3/s Storm rel Dir Shear (0-3000m): 26.0 deg Storm rel helicity (0-3000m) pos: 16.7 neg: -5.0 tot: 11.6 m^2/s^2 ave: 3.9 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.89 Bulk Shear: 11.48 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 67 2 181 6| 3.4 0.0 3.4| 0.0 -4.8 -4.8 -9.7 -0.74| 4.1 -3.0 1000 121 2 178 8| 1.6 0.0 1.6| 3.2 -5.0 -1.8 -1.8 -0.23| 3.6 -0.8 1500 130 2 180 8| 0.5 0.0 0.5| 6.3 -5.0 1.3 0.9 -0.03| 2.9 -0.1 2000 147 2 184 8| 0.4 0.0 0.4| 9.4 -5.0 4.4 2.2 0.11| 2.6 0.3 2500 176 2 189 9| 0.4 0.0 0.4| 14.0 -5.0 8.9 3.6 0.26| 2.5 0.6 3000 321 2 210 6| 0.6 0.0 0.6| 16.7 -5.0 11.6 3.9 0.30| 2.6 0.8 4000 331 4 222 5| 1.5 0.0 1.5| 28.1 -5.0 23.1 5.8 0.51| 3.0 1.5 5000 337 6 254 4| 2.0 0.0 2.0| 43.5 -5.0 38.5 7.7 0.53| 3.3 1.8 6000 343 9 296 5| 2.3 0.0 2.3| 59.1 -5.0 54.0 9.0 0.52| 3.3 1.7 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251208.00.gif