UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 21 APR 25 Station: VH004 WMO ident: 45004 Latitude: 22.32 Longitude: 114.17 ------------------------------------------------------------------------------- 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 1003 66 25.8 23.3 86 2.5 24.0 0 0 298.7 302.0 297.0 351.9 18.24 1 1000 92 25.6 23.2 87 2.4 23.9 265 3 298.8 302.1 297.0 351.8 18.19 2 960 451 22.6 21.8 95 0.8 22.1 217 10 299.2 302.4 296.6 350.0 17.38 3 925 775 20.8 19.0 89 1.8 19.5 225 17 300.6 303.3 295.5 344.9 15.12 4 915 869 20.6 17.8 84 2.8 18.7 228 18 301.3 303.9 295.0 342.9 14.15 5 893 1080 22.6 8.6 41 14.0 14.0 229 21 305.5 306.9 291.5 329.2 7.87 6 883 1178 22.2 13.2 57 9.0 16.3 228 23 306.0 308.1 294.0 338.7 10.86 7 872 1287 22.8 5.8 33 17.0 12.7 227 24 307.8 309.0 291.2 328.1 6.64 8 850 1510 22.4 6.4 35 16.0 12.7 225 27 309.6 311.0 292.1 331.5 7.11 9 837 1644 22.0 -2.0 20 24.0 9.3 225 27 310.6 311.3 289.6 323.0 3.94 10 836 1654 22.2 -1.8 20 24.0 9.5 225 27 310.9 311.6 289.8 323.5 4.01 11 832 1695 21.8 6.8 38 15.0 12.6 225 27 310.9 312.3 292.8 333.9 7.47 12 764 2429 18.4 -10.6 13 29.0 5.2 254 23 314.9 315.3 289.4 322.2 2.23 13 751 2576 16.6 2.6 39 14.0 8.5 253 22 314.5 315.7 292.7 333.8 6.15 14 736 2747 15.8 -14.2 11 30.0 3.2 250 21 315.4 315.8 289.1 321.2 1.73 15 700 3170 13.0 -6.0 26 19.0 3.7 240 21 316.9 317.6 291.2 328.2 3.49 16 590 4581 3.0 -16.0 23 19.0 -4.3 230 25 321.1 321.5 291.0 327.4 1.86 17 544 5237 1.0 -32.0 6 33.0 -7.9 232 27 326.3 326.4 291.2 328.1 0.48 18 500 5910 -3.5 -31.5 9 28.0 -10.9 235 29 328.8 328.9 291.9 330.8 0.55 19 454 6663 -8.3 -35.3 9 27.0 -14.5 248 24 332.0 332.0 292.7 333.5 0.42 20 433 7027 -11.1 -25.1 30 14.0 -15.2 260 21 332.9 333.2 293.6 337.1 1.15 21 424 7188 -11.7 -37.7 10 26.0 -17.0 259 22 334.2 334.2 293.2 335.5 0.35 22 400 7630 -14.9 -42.9 7 28.0 -19.7 255 25 335.6 335.7 293.4 336.5 0.22 23 399 7649 -14.9 -42.9 7 28.0 -19.7 254 25 335.9 335.9 293.5 336.7 0.22 24 355 8521 -22.1 -43.1 13 21.0 -25.1 255 27 337.6 337.6 294.0 338.5 0.24 25 351 8605 -22.7 -32.7 40 10.0 -24.7 252 28 337.9 338.0 294.4 340.5 0.70 26 346 8710 -23.1 -41.1 18 18.0 -25.8 247 30 338.7 338.8 294.3 339.9 0.30 27 336 8924 -24.7 -38.7 26 14.0 -26.9 242 33 339.4 339.5 294.6 341.0 0.40 28 334 8968 -24.9 -31.9 52 7.0 -26.3 243 32 339.7 339.9 295.0 342.7 0.79 29 328 9099 -26.1 -32.1 57 6.0 -27.3 245 31 339.8 340.0 295.0 342.8 0.79 30 319 9300 -27.7 -37.7 38 10.0 -29.2 250 30 340.3 340.4 294.8 342.1 0.47 31 315 9391 -27.9 -41.9 25 14.0 -29.7 252 29 341.3 341.3 294.9 342.5 0.31 32 310 9506 -29.1 -38.1 42 9.0 -30.4 255 29 341.2 341.2 295.0 342.9 0.46 33 303 9669 -29.3 -54.3 7 25.0 -31.5 258 27 343.1 343.1 295.1 343.4 0.08 34 300 9740 -29.7 -46.7 18 17.0 -31.6 260 27 343.5 343.6 295.3 344.3 0.19 35 296 9835 -30.5 -45.5 22 15.0 -32.2 262 28 343.7 343.8 295.4 344.6 0.22 36 286 10078 -32.5 -59.5 5 27.0 -34.3 267 30 344.2 344.3 295.4 344.4 0.04 37 267 10557 -36.7 -41.7 60 5.0 -37.2 277 35 345.0 345.0 295.8 346.4 0.37 38 265 10609 -36.7 -50.7 22 14.0 -37.8 279 35 345.7 345.7 295.8 346.3 0.14 39 252 10955 -38.7 -67.7 3 29.0 -39.9 284 32 347.7 347.7 296.1 347.8 0.02 40 250 11010 -39.1 -68.1 3 29.0 -40.3 285 31 347.9 347.9 296.2 348.0 0.02 41 232 11517 -44.1 -69.1 5 25.0 -44.9 293 30 347.9 347.9 296.2 347.9 0.01 42 200 12500 -50.3 -73.3 5 23.0 -50.8 310 29 353.1 353.1 297.3 353.2 0.01 43 193 12731 -51.5 -75.5 4 24.0 -51.9 315 27 354.8 354.8 297.7 354.8 0.01 44 150 14320 -63.5 -80.5 8 17.0 -63.6 345 21 360.7 360.7 298.8 360.7 0.00 45 132 15096 -68.5 -84.5 8 16.0 -68.6 353 18 365.2 365.2 299.7 365.2 0.00 46 112 16061 -76.7 -85.7 23 9.0 -76.7 22 16 367.4 367.4 300.1 367.4 0.00 47 101 16653 -78.5 -86.5 26 8.0 -78.5 301 4 375.0 375.0 301.4 375.0 0.00 48 100 16710 -78.3 -86.3 26 8.0 -78.3 275 3 376.4 376.4 301.6 376.5 0.00 49 85 17631 -81.7 -88.7 29 7.0 -81.7 290 3 387.5 387.5 303.4 387.5 0.00 50 76 18258 -82.5 -90.5 24 8.0 -82.5 54 9 398.4 398.4 305.0 398.4 0.00 51 70 18720 -80.7 -89.7 21 9.0 -80.7 110 15 411.7 411.7 306.7 411.7 0.00 52 57 19893 -75.3 -90.3 8 15.0 -75.4 172 20 448.9 448.9 310.7 448.9 0.00 53 53 20321 -69.5 -89.5 4 20.0 -69.6 158 18 471.8 471.8 312.8 471.8 0.00 54 50 20670 -67.5 -89.5 3 22.0 -67.7 65 5 484.4 484.4 313.8 484.4 0.00 55 44 21452 -62.5 -89.5 1 27.0 -63.0 70 17 514.7 514.7 315.9 514.7 0.00 56 43 21594 -63.1 -89.1 2 26.0 -63.6 54 19 516.6 516.6 316.1 516.6 0.00 57 34 23050 -61.3 -89.3 1 28.0 -62.0 102 18 557.2 557.2 318.5 557.2 0.00 58 30 23840 -55.1 -86.1 1 31.0 -56.7 125 9 594.4 594.4 320.3 594.5 0.01 59 29 24056 -53.9 -85.9 1 32.0 -55.7 125 9 603.5 603.5 320.7 603.6 0.01 60 22 25834 -51.7 -84.7 1 33.0 -54.5 51 10 659.7 659.7 323.0 659.8 0.01 61 21 26134 -52.5 -84.5 1 32.0 -55.2 57 13 666.1 666.1 323.3 666.2 0.01 62 20 26450 -50.5 -84.5 1 34.0 -53.8 80 15 681.6 681.6 323.8 681.7 0.02 63 14 28823 -41.5 -80.5 1 39.0 -49.5 78 20 785.3 785.3 326.9 785.7 0.04 64 12 29860 -45.5 -81.5 1 36.0 -52.2 120 11 806.5 806.6 327.4 806.9 0.04 65 11 30444 -41.7 -80.7 1 39.0 -50.6 101 17 840.7 840.7 328.2 841.2 0.05 66 10 31090 -42.1 -80.1 1 38.0 -51.2 80 9 862.4 862.4 328.7 863.1 0.07 67 9.1 31736 -36.5 -78.5 1 42.0 -49.3 907.4 907.5 329.6 908.4 0.09 68 7.9 32721 -34.1 -77.1 0 43.0 -49.1 954.5 954.6 330.4 956.0 0.13 69 7.7 32901 -34.5 -77.5 0 43.0 -49.4 959.9 960.0 330.5 961.4 0.13 TRP 85 17631 -81.7 -88.7 29 7.0 -81.7 290 3 387.5 387.5 303.4 387.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5818.00 m Freezing level: 534.22 mb = 5386.49 m = 17672.01 ft Wetbulb zero: 649.58 mb = 3787.11 m = 12424.75 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 32.43 % Est. max temperature: 36.47 C = 97.65 F Sfc-Lift cond lev (LCL): 967.59 mb = 381.81 m = 1252.63 ft T: 23.18 C 700-500 lapse rate: 6.02 C/km ThetaE index: 22.65 C Layer 1000.0- 883.0 mb Conv cond level (CCL): 752.73 mb = 2556.01 m = 8385.77 ft Mean mixing ratio: 16.23 g/kg Conv temperature: 41.66 C = 106.98 F Cap Strength: 5.66 C Lifted Index: 0.35 C Risk: Showers probable Lifted Index @300 mb: 0.05 C Lifted Index @700 mb: 3.08 C Showalter Index: 7.03 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 25.90 C Cross Totals Index: 9.90 C K Index: 13.30 Risk: None Sweat Index: 206.51 Risk: None Energy Index: 0.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 120.40 J/kg Max Up Vert Vel: 15.52 m/s Conv Inhibition (B-): 448.22 J/kg Cap Strength: 5.60 C Lift Cond Lev (LCL): 924.88 mb = 776.14 m = 2546.36 ft Lev Free Conv (LFC): 459.88 mb = 6562.60 m = 21530.57 ft Equ Level (EL): 289.88 mb = 9982.92 m = 32751.96 ft B at Equ Level: 119.89 J/kg Max Parcel Lev (MPL): 209.88 mb = 12180.74 m = 39962.56 ft Wind level data Storm motion: 266 at 17 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 1003 66 0 0 -0.0 -0.0 | 86 17 -16.8 -1.3 1 1000 92 265 3 3.0 0.3 | 86 14 -13.8 -1.0 2 976 305 210 5 2.5 4.3 | 102 15 -14.3 3.0 3 943 610 225 15 10.6 10.6 | 147 11 -6.2 9.3 4 925 775 225 17 12.0 12.0 | 156 12 -4.8 10.7 5 910 914 230 19 14.6 12.2 | 169 11 -2.2 10.9 6 850 1510 225 27 19.1 19.1 | 187 18 2.3 17.8 7 819 1829 225 27 19.1 19.1 | 187 18 2.3 17.8 8 790 2134 240 25 21.7 12.5 | 203 12 4.9 11.2 9 763 2438 255 23 22.2 6.0 | 229 7 5.4 4.7 10 710 3048 245 19 17.2 8.0 | 184 7 0.4 6.7 11 700 3170 240 21 18.2 10.5 | 189 9 1.4 9.2 12 659 3658 240 23 19.9 11.5 | 197 11 3.1 10.2 13 635 3962 250 21 19.7 7.2 | 207 7 3.0 5.9 14 589 4572 230 25 19.2 16.1 | 189 15 2.4 14.8 15 500 5910 235 29 23.8 16.6 | 204 17 7.0 15.4 16 488 6096 230 29 22.2 18.6 | 197 18 5.4 17.4 17 433 7010 260 21 20.7 3.6 | 239 5 3.9 2.4 18 400 7630 255 25 24.1 6.5 | 235 9 7.4 5.2 19 384 7925 245 29 26.3 12.3 | 221 15 9.5 11.0 20 354 8534 255 27 26.1 7.0 | 238 11 9.3 5.7 21 339 8839 240 33 28.6 16.5 | 218 19 11.8 15.2 22 300 9740 260 27 26.6 4.7 | 251 10 9.8 3.4 23 263 10668 280 36 35.5 -6.3 | 292 20 18.7 -7.5 24 250 11010 285 31 29.9 -8.0 | 305 16 13.2 -9.3 25 200 12500 310 29 22.2 -18.6 | 345 21 5.4 -19.9 26 173 13411 330 21 10.5 -18.2 | 18 20 -6.3 -19.5 27 157 14021 330 21 10.5 -18.2 | 18 20 -6.3 -19.5 28 150 14320 345 21 5.4 -20.3 | 28 24 -11.3 -21.6 29 135 14935 355 19 1.7 -18.9 | 37 25 -15.1 -20.2 30 128 15240 350 17 3.0 -16.7 | 37 23 -13.8 -18.0 31 116 15850 20 19 -6.5 -17.9 | 51 30 -23.3 -19.1 32 104 16459 25 9 -3.8 -8.2 | 65 23 -20.6 -9.4 33 100 16710 275 3 3.0 -0.3 | 84 14 -13.8 -1.5 34 94 17069 275 3 3.0 -0.3 | 84 14 -13.8 -1.5 35 85 17631 290 3 2.8 -1.0 | 81 14 -14.0 -2.3 36 76 18288 60 9 -7.8 -4.5 | 77 25 -24.6 -5.8 37 72 18593 60 11 -9.5 -5.5 | 76 27 -26.3 -6.8 38 70 18720 110 15 -14.1 5.1 | 97 31 -30.9 3.8 39 68 18898 110 13 -12.2 4.4 | 96 29 -29.0 3.2 40 64 19202 110 17 -16.0 5.8 | 98 33 -32.8 4.5 41 61 19507 170 15 -2.6 14.8 | 125 24 -19.4 13.5 42 58 19812 175 21 -1.8 20.9 | 137 27 -18.6 19.6 43 52 20422 155 17 -7.2 15.4 | 121 28 -24.0 14.1 44 50 20670 65 5 -4.5 -2.1 | 81 22 -21.3 -3.4 45 50 20726 215 13 7.5 10.6 | 135 13 -9.3 9.4 46 45 21336 85 15 -14.9 -1.3 | 85 32 -31.7 -2.6 47 43 21641 50 19 -14.6 -12.2 | 67 34 -31.3 -13.5 48 41 21946 80 11 -10.8 -1.9 | 83 28 -27.6 -3.2 49 39 22250 65 17 -15.4 -7.2 | 75 33 -32.2 -8.5 50 37 22555 110 13 -12.2 4.4 | 96 29 -29.0 3.2 51 35 22860 95 17 -16.9 1.5 | 90 34 -33.7 0.2 52 32 23470 115 19 -17.2 8.0 | 101 35 -34.0 6.7 53 30 23774 135 13 -9.2 9.2 | 107 27 -26.0 7.9 54 30 23840 125 9 -7.4 5.2 | 99 24 -24.2 3.9 55 29 24079 125 9 -7.4 5.2 | 99 24 -24.2 3.9 56 28 24384 65 9 -8.2 -3.8 | 78 25 -24.9 -5.1 57 26 24689 45 13 -9.2 -9.2 | 68 28 -26.0 -10.5 58 24 25298 40 11 -7.1 -8.4 | 68 26 -23.8 -9.7 59 23 25603 85 5 -5.0 -0.4 | 85 22 -21.8 -1.7 60 22 25908 40 11 -7.1 -8.4 | 68 26 -23.8 -9.7 61 20 26450 80 15 -14.8 -2.6 | 83 32 -31.6 -3.9 62 20 26518 90 13 -13.0 0.0 | 88 30 -29.8 -1.3 63 18 27127 65 21 -19.0 -8.9 | 74 37 -35.8 -10.2 64 17 27432 85 15 -14.9 -1.3 | 85 32 -31.7 -2.6 65 16 28042 65 13 -11.8 -5.5 | 77 29 -28.6 -6.8 66 13 29261 85 23 -22.9 -2.0 | 85 40 -39.7 -3.3 67 13 29566 85 19 -18.9 -1.7 | 85 36 -35.7 -2.9 68 12 29870 120 11 -9.5 5.5 | 99 27 -26.3 4.2 69 11 30175 110 21 -19.7 7.2 | 99 37 -36.5 5.9 70 10 31090 80 9 -8.9 -1.6 | 84 26 -25.6 -2.8 Wind Parameters Mean winds (0-6000m): 235.6 at 22.4 knts Storm direction: 265.6 at 16.8 knts Shear (0-3000m) pos: 2.1 neg: 3.3 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 99.2 deg Storm rel helicity (0-3000m) pos: 104.2 neg: -8.9 tot: 95.3 m^2/s^2 ave: 31.8 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 4.4 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 3.53 Bulk Shear: 34.13 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 ------------------------------------------------------------------------------- 500 222 7 106 13| 0.0 14.0 14.0| 42.8 0.0 42.8 85.6 0.82| 15.5 12.6 1000 226 12 131 11| 3.9 7.0 10.9| 65.3 0.0 65.3 65.3 0.86| 11.8 10.1 1500 226 16 153 11| 2.6 6.7 9.4| 77.4 0.0 77.4 51.6 0.78| 10.0 7.8 2000 227 19 165 12| 2.3 5.1 7.3| 91.0 0.0 91.0 45.5 0.75| 8.9 6.7 2500 232 20 174 11| 2.5 4.0 6.6|104.2 -1.6 102.5 41.0 0.69| 9.0 6.2 3000 235 20 177 10| 2.1 3.3 5.4|104.2 -8.9 95.3 31.8 0.54| 8.2 4.4 4000 237 20 182 10| 1.9 2.9 4.8|112.4 -9.7 102.7 25.7 0.50| 7.4 3.7 5000 236 21 185 11| 1.6 3.0 4.6|118.6 -18.0 100.6 20.1 0.41| 6.9 2.9 6000 236 22 189 12| 1.4 2.6 4.0|129.4 -25.7 103.7 17.3 0.40| 6.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250421.12.gif