UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 27 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 1007 67 20.8 20.0 95 0.8 20.3 95 9 293.4 296.0 293.2 335.4 14.77 1 1000 127 20.2 19.5 96 0.7 19.7 95 13 293.4 295.9 292.9 334.4 14.41 2 951 561 18.2 18.2 100 0.0 18.2 116 21 295.6 298.1 293.2 335.7 13.96 3 925 800 19.8 18.8 94 1.0 19.1 150 19 299.6 302.3 295.1 343.2 14.93 4 924 809 20.2 18.9 92 1.3 19.3 151 19 300.1 302.8 295.3 344.1 15.04 5 850 1528 16.4 16.1 98 0.3 16.2 205 15 303.3 305.9 295.3 343.9 13.67 6 761 2464 11.2 11.0 99 0.2 11.1 225 13 307.5 309.5 294.4 340.4 10.90 7 749 2598 13.0 8.0 72 5.0 9.9 228 13 310.8 312.5 294.0 338.5 9.03 8 700 3165 9.8 3.8 66 6.0 6.3 260 17 313.3 314.7 293.3 335.8 7.20 9 682 3381 8.4 0.4 57 8.0 4.1 266 19 314.1 315.2 292.3 332.3 5.78 10 641 3888 3.8 -0.3 75 4.1 1.6 287 22 314.5 315.6 292.5 333.0 5.85 11 599 4436 1.0 -8.0 51 9.0 -3.1 308 24 317.4 318.1 291.4 328.8 3.49 12 570 4832 -2.5 -4.0 89 1.5 -3.3 297 25 317.9 318.8 292.7 333.9 5.00 13 566 4888 -1.9 -11.9 46 10.0 -6.0 295 25 319.2 319.7 291.2 328.2 2.71 14 554 5059 -2.5 -22.5 20 20.0 -8.8 289 25 320.5 320.7 290.1 324.4 1.13 15 537 5306 -1.7 -41.7 3 40.0 -10.1 281 25 324.3 324.3 290.3 325.0 0.18 16 500 5870 -5.9 -37.9 6 32.0 -12.8 285 29 325.8 325.9 290.9 326.9 0.29 17 495 5949 -6.1 -29.1 14 23.0 -12.2 290 28 326.5 326.7 291.5 329.1 0.70 18 482 6158 -5.7 -33.7 9 28.0 -12.5 300 27 329.5 329.6 292.0 331.2 0.46 19 409 7422 -15.9 -34.9 18 19.0 -19.7 306 28 332.2 332.3 292.8 334.0 0.48 20 400 7590 -16.5 -40.5 11 24.0 -20.6 300 27 333.5 333.6 293.0 334.6 0.28 21 396 7666 -16.3 -43.3 8 27.0 -20.7 298 27 334.8 334.8 293.2 335.6 0.21 22 347 8648 -22.1 -55.1 3 33.0 -25.6 289 30 339.8 339.8 294.3 340.1 0.06 23 300 9700 -30.3 -58.3 5 28.0 -32.4 285 31 342.7 342.7 295.0 342.9 0.05 24 263 10622 -38.7 -58.7 10 20.0 -39.8 281 34 343.5 343.5 295.2 343.7 0.05 25 258 10754 -38.9 -66.9 4 28.0 -40.1 281 34 345.1 345.1 295.6 345.2 0.02 26 250 10970 -40.5 -67.5 4 27.0 -41.5 280 35 345.9 345.9 295.7 345.9 0.02 27 215 11972 -48.9 -68.9 8 20.0 -49.4 266 34 348.1 348.1 296.2 348.1 0.02 28 211 12094 -49.9 -55.9 49 6.0 -50.1 265 33 348.4 348.4 296.4 348.8 0.09 29 209 12156 -50.5 -56.5 49 6.0 -50.7 264 33 348.4 348.4 296.4 348.8 0.09 30 200 12440 -52.1 -62.1 29 10.0 -52.4 260 33 350.3 350.3 296.7 350.5 0.04 31 165 13663 -61.1 -73.1 19 12.0 -61.2 252 25 355.0 355.0 297.7 355.1 0.01 32 150 14250 -65.5 -74.5 28 9.0 -65.5 255 19 357.2 357.3 298.2 357.3 0.01 33 146 14413 -66.9 -75.9 27 9.0 -67.0 255 18 357.6 357.6 298.2 357.6 0.01 34 143 14537 -67.3 -78.3 20 11.0 -67.4 255 18 359.0 359.0 298.5 359.1 0.01 35 137 14793 -69.3 -75.3 41 6.0 -69.4 260 21 359.9 359.9 298.7 360.0 0.01 36 100 16620 -78.9 -84.9 37 6.0 -78.9 255 21 375.3 375.3 301.5 375.3 0.00 37 91 17154 -81.5 -87.5 35 6.0 -81.5 250 19 380.4 380.4 302.3 380.4 0.00 38 70 18650 -75.9 -88.9 11 13.0 -75.9 285 9 422.0 422.0 307.9 422.0 0.00 39 67 18904 -74.3 -88.3 10 14.0 -74.3 331 13 430.8 430.8 308.9 430.8 0.00 40 61 19448 -75.3 -90.3 8 15.0 -75.3 16 9 440.3 440.3 309.9 440.3 0.00 41 50 20620 -67.7 -89.7 3 22.0 -67.9 10 7 484.0 484.0 313.8 484.0 0.00 42 45 21266 -61.1 -89.1 1 28.0 -61.7 78 9 514.8 514.8 315.9 514.8 0.00 43 36 22667 -57.3 -87.3 1 30.0 -58.3 45 9 558.5 558.5 318.6 558.6 0.01 44 33 23216 -58.5 -88.5 1 30.0 -59.5 106 12 569.4 569.4 319.1 569.5 0.00 45 30 23820 -55.9 -86.9 1 31.0 -57.3 90 19 592.2 592.2 320.3 592.3 0.01 46 20 26440 -49.7 -84.7 1 35.0 -53.3 95 27 684.0 684.1 323.9 684.2 0.02 47 19 26776 -49.3 -84.3 1 35.0 -53.1 105 22 695.4 695.4 324.3 695.5 0.02 48 17 27502 -51.5 -85.5 1 34.0 -54.9 93 29 710.8 710.8 324.8 710.9 0.02 49 13 29286 -40.7 -81.7 0 41.0 -49.4 106 27 804.9 804.9 327.4 805.3 0.04 50 12 29829 -42.1 -82.1 0 40.0 -50.5 107 27 818.6 818.6 327.7 818.9 0.04 51 11 30423 -38.3 -80.3 0 42.0 -49.1 108 27 853.0 853.0 328.5 853.6 0.06 TRP 91 17154 -81.5 -87.5 35 6.0 -81.5 250 19 380.4 380.4 302.3 380.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5743.00 m Freezing level: 590.71 mb = 4549.20 m = 14925.03 ft Wetbulb zero: 626.65 mb = 4071.35 m = 13357.27 ft Precipitable water: 1.84 inches Sfc-500 mean rel hum: 69.27 % Est. max temperature: 30.46 C = 86.83 F Sfc-Lift cond lev (LCL): 995.57 mb = 165.36 m = 542.52 ft T: 20.02 C 700-500 lapse rate: 5.80 C/km ThetaE index: 11.74 C Layer 850.0- 641.0 mb Conv cond level (CCL): 972.05 mb = 371.76 m = 1219.66 ft Mean mixing ratio: 14.41 g/kg Conv temperature: 22.04 C = 71.66 F Cap Strength: 3.31 C Lifted Index: 1.76 C Risk: Showers probable Lifted Index @300 mb: 5.07 C Lifted Index @700 mb: 2.81 C Showalter Index: -0.65 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.30 C Cross Totals Index: 22.00 C K Index: 32.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 400.30 Risk: Severe Thunderstorms possible Energy Index: -3.25 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.11 J/kg Max Up Vert Vel: 8.61 m/s Conv Inhibition (B-): 224.63 J/kg Cap Strength: 3.26 C Lift Cond Lev (LCL): 948.14 mb = 586.86 m = 1925.38 ft Lev Free Conv (LFC): 583.14 mb = 4650.32 m = 15256.78 ft Equ Level (EL): 553.14 mb = 5070.91 m = 16636.65 ft B at Equ Level: 33.12 J/kg Max Parcel Lev (MPL): 523.14 mb = 5512.76 m = 18086.26 ft Wind level data Storm motion: 293 at 15 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 1007 67 95 9 -9.0 0.8 | 106 23 -22.5 6.5 1 1000 127 95 13 -13.0 1.1 | 104 27 -26.5 6.8 2 980 305 95 19 -18.9 1.7 | 103 33 -32.4 7.3 3 946 610 120 21 -18.2 10.5 | 117 36 -31.7 16.2 4 925 800 150 19 -9.5 16.5 | 134 32 -23.0 22.1 5 913 914 160 17 -5.8 16.0 | 138 29 -19.3 21.6 6 881 1219 200 17 5.8 16.0 | 160 23 -7.7 21.6 7 850 1524 200 15 5.1 14.1 | 157 21 -8.4 19.8 8 850 1528 205 15 6.3 13.6 | 160 21 -7.2 19.3 9 820 1829 230 13 10.0 8.4 | 166 14 -3.6 14.0 10 791 2134 220 13 8.4 10.0 | 162 16 -5.2 15.6 11 710 3048 235 13 10.6 7.5 | 168 13 -2.9 13.1 12 700 3165 260 17 16.7 3.0 | 201 9 3.2 8.6 13 684 3353 265 19 18.9 1.7 | 216 9 5.4 7.3 14 658 3658 275 21 20.9 -1.8 | 243 8 7.4 3.8 15 610 4267 310 23 17.6 -14.8 | 336 10 4.1 -9.1 16 588 4572 305 25 20.5 -14.3 | 321 11 7.0 -8.7 17 524 5486 275 25 24.9 -2.2 | 253 12 11.4 3.5 18 505 5791 280 29 28.6 -5.0 | 268 15 15.0 0.6 19 500 5870 285 29 28.0 -7.5 | 277 15 14.5 -1.8 20 486 6096 300 27 23.4 -13.5 | 308 13 9.9 -7.8 21 415 7315 310 29 22.2 -18.6 | 326 16 8.7 -13.0 22 400 7590 300 27 23.4 -13.5 | 308 13 9.9 -7.8 23 367 8230 285 29 28.0 -7.5 | 277 15 14.5 -1.8 24 352 8534 295 31 28.1 -13.1 | 297 16 14.6 -7.4 25 337 8839 275 29 28.9 -2.5 | 258 16 15.4 3.1 26 300 9700 285 31 29.9 -8.0 | 278 17 16.4 -2.4 27 250 10970 280 35 34.5 -6.1 | 271 21 21.0 -0.4 28 250 10973 280 35 34.5 -6.1 | 271 21 21.0 -0.4 29 200 12440 260 33 32.5 5.7 | 239 22 19.0 11.4 30 156 14021 250 23 21.6 7.9 | 211 16 8.1 13.5 31 150 14250 255 19 18.4 4.9 | 205 12 4.8 10.6 32 141 14630 255 17 16.4 4.4 | 196 10 2.9 10.1 33 133 14935 265 25 24.9 2.2 | 235 14 11.4 7.8 34 120 15545 240 23 19.9 11.5 | 200 18 6.4 17.2 35 114 15850 260 25 24.6 4.3 | 228 15 11.1 10.0 36 108 16154 250 27 25.4 9.2 | 219 19 11.9 14.9 37 103 16459 255 33 31.9 8.5 | 232 23 18.4 14.2 38 100 16620 255 21 20.3 5.4 | 211 13 6.8 11.1 39 97 16764 270 25 25.0 -0.0 | 244 13 11.5 5.7 40 91 17154 250 19 17.9 6.5 | 200 13 4.3 12.2 41 83 17678 245 15 13.6 6.3 | 180 12 0.1 12.0 42 79 17983 275 19 18.9 -1.7 | 233 7 5.4 4.0 43 75 18288 305 11 9.0 -6.3 | 82 5 -4.5 -0.6 44 71 18593 325 9 5.2 -7.4 | 78 9 -8.4 -1.7 45 70 18650 285 9 8.7 -2.3 | 125 6 -4.8 3.3 46 67 18898 330 13 6.5 -11.3 | 51 9 -7.0 -5.6 47 60 19507 20 9 -3.1 -8.5 | 80 17 -16.6 -2.8 48 50 20620 10 7 -1.2 -6.9 | 85 15 -14.7 -1.2 49 49 20726 0 0 -0.0 -0.0 | 113 15 -13.5 5.7 50 47 21031 70 11 -10.3 -3.8 | 95 24 -23.9 1.9 51 45 21336 80 9 -8.9 -1.6 | 100 23 -22.4 4.1 52 42 21641 55 9 -7.4 -5.2 | 91 21 -20.9 0.5 53 40 21946 135 11 -7.8 7.8 | 122 25 -21.3 13.4 54 37 22555 35 9 -5.2 -7.4 | 85 19 -18.7 -1.7 55 35 22860 60 9 -7.8 -4.5 | 93 21 -21.3 1.2 56 33 23165 105 11 -10.6 2.8 | 109 26 -24.1 8.5 57 32 23470 110 15 -14.1 5.1 | 111 30 -27.6 10.8 58 30 23820 90 19 -19.0 0.0 | 100 33 -32.5 5.7 59 29 24079 70 11 -10.3 -3.8 | 95 24 -23.9 1.9 60 27 24384 105 19 -18.4 4.9 | 108 34 -31.9 10.6 61 26 24689 110 21 -19.7 7.2 | 111 36 -33.3 12.8 62 25 24994 120 27 -23.4 13.5 | 117 42 -36.9 19.2 63 24 25298 120 19 -16.5 9.5 | 117 34 -30.0 15.2 64 23 25603 90 15 -15.0 0.0 | 101 29 -28.5 5.7 65 20 26440 95 27 -26.9 2.4 | 101 41 -40.4 8.0 66 20 26518 110 21 -19.7 7.2 | 111 36 -33.3 12.8 67 18 26822 95 25 -24.9 2.2 | 102 39 -38.4 7.8 68 15 27432 90 36 -36.0 0.0 | 97 50 -49.5 5.7 69 14 27737 105 27 -26.1 7.0 | 108 42 -39.6 12.7 70 10 28956 110 27 -25.4 9.2 | 111 42 -38.9 14.9 71 9 29261 75 23 -22.2 -6.0 | 90 36 -35.7 -0.3 72 7 30175 65 29 -26.3 -12.3 | 81 40 -39.8 -6.6 Wind Parameters Mean winds (0-6000m): 262.7 at 19.5 knts Storm direction: 292.7 at 14.7 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 65.9 deg Storm rel helicity (0-3000m) pos: 275.2 neg: -19.1 tot: 256.1 m^2/s^2 ave: 85.4 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 5.6 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.21 Bulk Shear: 175.89 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 ------------------------------------------------------------------------------- 500 102 17 107 32| 13.1 0.0 13.1| 64.7 -10.3 54.4 108.8 0.34| 17.5 5.9 1000 125 18 119 33| 9.5 0.0 9.5|223.1 -10.3 212.8 212.8 0.64| 19.7 12.6 1500 147 17 132 31| 6.9 0.0 6.9|259.2 -15.4 243.8 162.5 0.62| 16.4 10.1 2000 164 16 140 28| 5.1 0.0 5.1|265.9 -18.3 247.6 123.8 0.55| 14.0 7.8 2500 176 16 146 26| 4.2 0.0 4.2|268.9 -19.1 249.8 99.9 0.54| 11.6 6.3 3000 187 15 151 24| 3.7 0.0 3.7|275.2 -19.1 256.1 85.4 0.55| 10.2 5.6 4000 220 16 171 19| 4.0 0.0 4.0|322.6 -19.1 303.5 75.9 0.65| 10.5 6.8 5000 251 18 197 12| 3.4 0.7 4.1|332.1 -46.0 286.0 57.2 0.50| 9.9 4.9 6000 263 20 216 10| 3.2 1.1 4.3|375.5 -62.1 313.4 52.2 0.47| 9.9 4.6 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250427.00.gif