UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 4 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 1011 121 20.6 9.6 49 11.0 14.1 45 11 292.8 294.2 286.8 314.2 7.43 1 1008 147 19.0 10.0 56 9.0 13.7 40 12 291.5 292.8 286.5 313.3 7.66 2 1007 155 18.8 9.8 56 9.0 13.5 38 12 291.4 292.7 286.4 312.9 7.56 3 1000 215 18.4 9.4 56 9.0 13.1 25 13 291.5 292.9 286.3 312.7 7.41 4 925 876 12.0 8.5 79 3.5 10.0 20 15 291.6 292.9 286.4 313.1 7.54 5 859 1491 6.6 6.6 100 0.0 6.6 46 19 292.2 293.4 286.2 312.6 7.13 6 850 1577 6.0 5.6 97 0.4 5.8 50 20 292.4 293.6 285.9 311.7 6.72 7 847 1606 5.8 3.8 87 2.0 4.8 52 20 292.5 293.6 285.2 309.7 5.94 8 845 1625 6.8 -4.2 45 11.0 2.0 53 20 293.8 294.4 282.8 303.6 3.31 9 843 1645 9.8 -12.2 20 22.0 1.4 54 20 297.1 297.4 282.4 302.6 1.78 10 833 1744 12.2 -24.8 6 37.0 0.8 59 20 300.7 300.8 282.5 302.7 0.61 11 722 2924 4.6 -26.4 8 31.0 -4.1 126 17 304.9 305.0 284.1 306.9 0.61 12 700 3175 3.8 -34.2 4 38.0 -5.3 140 17 306.7 306.7 284.5 307.7 0.30 13 666 3578 2.4 -37.6 3 40.0 -6.4 129 16 309.5 309.6 285.4 310.3 0.23 14 500 5820 -14.9 -34.9 16 20.0 -18.5 65 10 314.9 314.9 287.5 316.3 0.39 15 426 7006 -25.3 -36.3 35 11.0 -26.8 94 14 316.4 316.4 288.0 317.8 0.40 16 417 7161 -26.3 -35.3 42 9.0 -27.6 98 15 317.0 317.1 288.3 318.6 0.45 17 415 7195 -26.5 -40.5 25 14.0 -28.2 98 15 317.2 317.2 288.2 318.2 0.27 18 411 7265 -27.1 -31.0 69 3.9 -27.8 100 15 317.3 317.4 288.6 319.7 0.70 19 406 7353 -27.9 -36.9 42 9.0 -29.0 102 16 317.4 317.5 288.3 318.8 0.40 20 400 7460 -28.7 -31.9 74 3.2 -29.2 105 16 317.7 317.8 288.8 320.0 0.66 21 396 7532 -29.1 -35.1 56 6.0 -29.9 106 16 318.1 318.2 288.7 319.8 0.49 22 369 8033 -32.7 -34.2 86 1.5 -32.9 111 17 319.8 319.9 289.3 321.8 0.57 23 353 8344 -34.3 -36.8 78 2.5 -34.6 114 17 321.7 321.8 289.8 323.4 0.46 24 350 8404 -34.5 -40.5 54 6.0 -35.1 114 17 322.2 322.3 289.8 323.4 0.32 25 341 8585 -35.9 -41.9 54 6.0 -36.4 116 17 322.7 322.8 289.9 323.8 0.28 26 319 9044 -40.1 -46.1 53 6.0 -40.5 121 18 323.1 323.2 289.9 323.8 0.19 27 300 9460 -43.9 -46.9 72 3.0 -44.1 125 18 323.5 323.5 290.0 324.2 0.19 28 296 9550 -44.7 -46.9 79 2.2 -44.8 133 18 323.6 323.6 290.0 324.3 0.19 29 290 9686 -45.9 -49.6 66 3.7 -46.1 145 18 323.8 323.8 290.0 324.3 0.14 30 279 9941 -47.7 -53.7 50 6.0 -47.9 167 17 324.8 324.8 290.3 325.2 0.09 31 272 10109 -47.5 -68.5 7 21.0 -48.0 181 17 327.5 327.5 291.0 327.5 0.01 32 263 10330 -48.9 -67.9 9 19.0 -49.3 201 17 328.6 328.6 291.3 328.6 0.02 33 250 10660 -50.9 -75.9 4 25.0 -51.2 230 16 330.4 330.4 291.8 330.4 0.01 34 229 11227 -54.9 -75.9 6 21.0 -55.1 232 22 332.7 332.7 292.4 332.7 0.01 35 200 12090 -56.3 -76.3 6 20.0 -56.5 235 32 343.6 343.6 295.2 343.6 0.01 36 189 12450 -56.7 -77.7 5 21.0 -56.9 239 33 348.6 348.6 296.3 348.6 0.01 37 160 13498 -60.9 -82.9 4 22.0 -61.1 251 37 358.5 358.5 298.4 358.5 0.00 38 150 13900 -61.5 -83.5 4 22.0 -61.7 255 39 364.1 364.1 299.5 364.1 0.00 39 100 16360 -69.3 -88.3 5 19.0 -69.4 265 31 393.8 393.8 304.3 393.8 0.00 40 93 16791 -70.9 -87.9 6 17.0 -71.0 260 37 398.9 398.9 305.0 398.9 0.00 41 72 18303 -71.7 -88.7 6 17.0 -71.8 265 28 427.5 427.5 308.6 427.5 0.00 42 70 18470 -70.3 -89.3 5 19.0 -70.4 265 27 434.0 434.0 309.3 434.0 0.00 43 50 20510 -62.3 -90.3 1 28.0 -62.7 250 27 496.7 496.7 314.7 496.7 0.00 44 38 22211 -60.7 -89.7 1 29.0 -61.4 253 26 541.3 541.3 317.6 541.3 0.00 45 33 23097 -56.3 -89.3 1 33.0 -57.6 254 25 575.3 575.3 319.4 575.3 0.00 46 30 23700 -58.1 -89.1 1 31.0 -59.2 255 25 586.2 586.3 320.0 586.3 0.00 47 29 23913 -58.1 -89.1 1 31.0 -59.3 254 25 592.0 592.0 320.2 592.0 0.00 48 29 23913 -58.1 -89.1 1 31.0 -59.3 254 25 592.0 592.0 320.2 592.0 0.00 49 28 24136 -55.5 -88.5 1 33.0 -57.1 252 25 605.2 605.2 320.9 605.2 0.01 50 23 25383 -57.7 -88.7 1 31.0 -59.2 245 24 633.7 633.7 322.0 633.8 0.01 51 20 26270 -55.3 -88.3 1 33.0 -57.5 240 23 666.9 666.9 323.3 667.0 0.01 52 19 26597 -55.5 -88.5 1 33.0 -57.7 676.1 676.1 323.6 676.2 0.01 53 16 27712 -47.9 -85.9 0 38.0 -52.7 735.0 735.0 325.5 735.1 0.02 54 12 29589 -52.9 -86.9 1 34.0 -56.8 780.3 780.3 326.7 780.5 0.02 TRP 93 16791 -70.9 -87.9 6 17.0 -71.0 260 37 398.9 398.9 305.0 398.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5605.00 m Freezing level: 642.97 mb = 3889.06 m = 12759.24 ft Wetbulb zero: 814.05 mb = 1933.87 m = 6344.65 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 26.23 % Est. max temperature: 19.93 C = 67.87 F Sfc-Lift cond lev (LCL): 858.68 mb = 1493.57 m = 4900.09 ft T: 6.58 C 700-500 lapse rate: 7.07 C/km ThetaE index: 10.49 C Layer 859.0- 833.0 mb Conv cond level (CCL): 869.31 mb = 1391.44 m = 4565.03 ft Mean mixing ratio: 7.49 g/kg Conv temperature: 19.86 C = 67.74 F Cap Strength: 7.54 C Lifted Index: 5.59 C Risk: None Lifted Index @300 mb: 7.76 C Lifted Index @700 mb: 6.48 C Showalter Index: 6.35 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 20.50 C K Index: -11.50 Risk: None Sweat Index: 117.20 Risk: None Energy Index: 1.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.94 J/kg Max Up Vert Vel: 1.37 m/s Conv Inhibition (B-): 4.65 J/kg Cap Strength: 7.53 C Lift Cond Lev (LCL): 875.88 mb = 1328.94 m = 4360.00 ft Lev Free Conv (LFC): 860.88 mb = 1472.34 m = 4830.45 ft Equ Level (EL): 850.88 mb = 1568.49 m = 5145.89 ft B at Equ Level: 0.75 J/kg Max Parcel Lev (MPL): 840.88 mb = 1665.74 m = 5464.95 ft Wind level data Storm motion: 113 at 11 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 1011 121 45 11 -7.8 -7.8 | 348 13 2.7 -12.3 1 1000 215 25 13 -5.5 -11.8 | 343 17 4.9 -16.3 2 925 876 20 15 -5.1 -14.1 | 344 19 5.3 -18.6 3 850 1577 50 20 -15.3 -12.9 | 16 18 -4.9 -17.3 4 700 3175 140 17 -10.9 13.0 | 177 9 -0.5 8.5 5 500 5820 65 10 -9.1 -4.2 | 351 9 1.4 -8.7 6 400 7460 105 16 -15.5 4.1 | 86 5 -5.0 -0.3 7 300 9460 125 18 -14.7 10.3 | 144 7 -4.3 5.8 8 250 10660 230 16 12.3 10.3 | 256 23 22.7 5.8 9 200 12090 235 32 26.2 18.4 | 249 39 36.6 13.9 10 150 13900 255 39 37.7 10.1 | 263 48 48.1 5.6 11 100 16360 265 31 30.9 2.7 | 272 41 41.3 -1.8 12 93 16791 260 37 36.4 6.4 | 268 47 46.9 1.9 13 70 18470 265 27 26.9 2.4 | 273 37 37.3 -2.1 14 50 20510 250 27 25.4 9.2 | 262 36 35.8 4.7 15 30 23700 255 25 24.1 6.5 | 267 35 34.6 2.0 16 20 26270 240 23 19.9 11.5 | 257 31 30.4 7.0 Wind Parameters Mean winds (0-6000m): 83.3 at 15.1 knts Storm direction: 113.3 at 11.4 knts Shear (0-3000m) pos: 4.5 neg: 1.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): -176.5 deg Storm rel helicity (0-3000m) pos: 116.5 neg: -4.6 tot: 111.9 m^2/s^2 ave: 37.3 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 5.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 25.58 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 25 13 344 17| 0.0 6.1 6.1| 1.0 -4.6 -3.5 -7.1 -0.16| 6.2 -1.0 1000 24 14 345 18| 1.8 3.1 4.8| 18.5 -4.6 13.9 13.9 0.24| 5.2 1.3 1500 32 16 353 18| 3.6 2.0 5.7| 55.7 -4.6 51.1 34.1 0.56| 6.2 3.5 2000 41 17 2 17| 4.3 1.5 5.9| 83.3 -4.6 78.8 39.4 0.63| 7.1 4.5 2500 51 17 10 15| 4.6 1.2 5.8|101.3 -4.6 96.7 38.7 0.69| 7.6 5.2 3000 59 17 18 14| 4.5 1.0 5.6|116.5 -4.6 111.9 37.3 0.74| 7.8 5.8 4000 77 17 35 10| 3.4 1.6 5.0|117.7 -11.8 105.9 26.5 0.54| 6.9 3.7 5000 83 16 40 9| 2.7 2.0 4.7|117.7 -17.7 100.0 20.0 0.38| 6.2 2.4 6000 83 15 36 8| 2.3 1.9 4.2|120.9 -23.1 97.7 16.3 0.32| 5.7 1.9 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251204.12.gif