UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 25 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 65 24.6 23.2 92 1.4 23.6 120 1 297.5 300.8 296.7 350.1 18.13 1 1000 91 24.4 23.0 92 1.4 23.4 95 3 297.5 300.8 296.5 349.6 17.96 2 925 772 20.4 20.4 100 0.0 20.4 135 11 300.2 303.2 296.3 348.6 16.53 3 884 1164 18.4 18.4 100 0.0 18.4 188 15 302.0 304.8 296.0 347.0 15.24 4 866 1340 15.8 12.8 82 3.0 13.8 200 14 301.1 303.1 292.5 332.9 10.79 5 850 1500 17.6 11.6 68 6.0 13.7 200 11 304.6 306.5 293.0 334.9 10.15 6 831 1694 18.4 10.4 60 8.0 13.3 219 12 307.4 309.2 293.4 336.4 9.57 7 784 2189 14.0 9.0 72 5.0 10.9 236 18 307.8 309.6 293.3 335.9 9.23 8 713 2987 10.6 4.6 66 6.0 7.1 244 35 312.6 314.0 293.3 335.8 7.48 9 700 3140 9.6 4.6 71 5.0 6.6 240 36 313.1 314.6 293.5 336.8 7.62 10 640 3878 4.2 1.7 84 2.5 2.8 237 35 315.1 316.4 293.4 336.4 6.78 11 509 5719 -3.7 -6.8 79 3.1 -5.2 249 27 326.9 327.8 294.8 341.9 4.52 12 500 5860 -4.9 -6.9 86 2.0 -5.8 250 25 327.1 328.0 294.8 342.3 4.56 13 487 6067 -6.5 -7.5 93 1.0 -7.0 246 23 327.6 328.5 294.9 342.5 4.47 14 461 6494 -9.3 -14.3 67 5.0 -11.2 242 21 329.3 329.8 294.0 338.7 2.74 15 454 6613 -10.1 -14.8 68 4.7 -11.9 244 22 329.7 330.2 294.0 338.9 2.67 16 451 6664 -10.3 -10.9 95 0.6 -10.6 245 22 330.1 330.8 295.0 342.6 3.69 17 427 7084 -12.9 -12.9 100 0.0 -12.9 254 24 332.0 332.6 295.1 343.4 3.32 18 400 7580 -15.7 -17.6 85 1.9 -16.4 265 27 334.6 335.1 295.0 343.0 2.40 19 385 7866 -18.5 -18.9 97 0.4 -18.6 270 27 334.6 335.0 294.9 342.5 2.23 20 378 8003 -18.3 -20.1 86 1.8 -18.8 270 27 336.6 337.0 295.3 343.9 2.05 21 302 9643 -28.9 -34.9 56 6.0 -29.9 259 29 344.0 344.1 295.8 346.5 0.65 22 300 9690 -29.3 -34.3 62 5.0 -30.2 260 29 344.1 344.2 295.9 346.8 0.70 23 258 10745 -37.9 -44.9 48 7.0 -38.5 268 29 346.6 346.6 296.1 347.7 0.27 24 250 10960 -39.7 -45.7 53 6.0 -40.2 270 29 347.0 347.1 296.2 348.1 0.26 25 240 11239 -42.1 -48.1 52 6.0 -42.5 272 30 347.5 347.6 296.3 348.3 0.20 26 236 11352 -42.9 -52.9 33 10.0 -43.5 273 31 348.0 348.0 296.3 348.5 0.12 27 230 11526 -44.3 -52.3 41 8.0 -44.7 274 31 348.4 348.4 296.4 349.0 0.13 28 213 12038 -48.3 -60.3 24 12.0 -48.7 277 33 349.9 349.9 296.7 350.2 0.05 29 200 12450 -52.1 -57.1 55 5.0 -52.3 280 35 350.3 350.3 296.8 350.6 0.08 30 186 12916 -55.9 -64.9 32 9.0 -56.1 288 33 351.5 351.5 297.0 351.6 0.03 31 180 13125 -56.1 -69.1 18 13.0 -56.3 290 31 354.4 354.5 297.6 354.5 0.02 32 174 13340 -57.5 -71.5 15 14.0 -57.7 281 27 355.6 355.6 297.8 355.7 0.01 33 153 14139 -64.7 -71.7 38 7.0 -64.8 252 24 356.6 356.6 298.0 356.7 0.02 34 150 14260 -64.7 -73.7 28 9.0 -64.8 260 25 358.6 358.6 298.4 358.7 0.01 35 145 14466 -65.1 -78.1 15 13.0 -65.2 258 27 361.4 361.4 299.0 361.5 0.01 36 103 16473 -78.5 -83.5 44 5.0 -78.5 236 25 372.9 372.9 301.1 372.9 0.00 37 100 16640 -79.7 -85.7 36 6.0 -79.7 255 21 373.7 373.7 301.2 373.8 0.00 38 98 16754 -80.1 -86.1 36 6.0 -80.1 255 19 375.1 375.1 301.5 375.1 0.00 39 91 17174 -78.5 -86.5 26 8.0 -78.5 235 17 386.3 386.3 303.2 386.3 0.00 40 80 17901 -82.1 -89.1 29 7.0 -82.1 327 11 393.4 393.4 304.3 393.4 0.00 41 75 18261 -82.5 -89.5 29 7.0 -82.5 287 9 399.9 399.9 305.2 399.9 0.00 42 70 18650 -78.1 -88.1 18 10.0 -78.1 220 9 417.3 417.3 307.4 417.3 0.00 43 63 19255 -75.5 -89.5 9 14.0 -75.6 320 9 435.8 435.8 309.4 435.8 0.00 44 61 19443 -71.3 -88.3 6 17.0 -71.4 320 9 449.2 449.2 310.8 449.2 0.00 45 50 20630 -66.9 -88.9 3 22.0 -67.1 155 11 485.8 485.8 313.9 485.8 0.00 46 41 21850 -60.5 -88.5 1 28.0 -61.2 113 15 530.2 530.2 316.9 530.2 0.00 47 38 22324 -61.3 -88.3 2 27.0 -61.9 158 21 539.8 539.8 317.5 539.8 0.00 48 34 23021 -57.9 -87.9 1 30.0 -58.9 185 11 566.2 566.2 319.0 566.2 0.01 49 31 23603 -59.1 -88.1 1 29.0 -60.1 16 17 578.1 578.1 319.6 578.1 0.01 50 30 23810 -56.3 -87.3 1 31.0 -57.7 45 15 591.2 591.2 320.2 591.2 0.01 51 27 24485 -50.7 -84.7 1 34.0 -53.3 62 17 625.0 625.0 321.7 625.1 0.01 52 21 26121 -49.5 -83.5 1 34.0 -53.0 102 14 675.2 675.2 323.6 675.3 0.02 53 20 26440 -48.9 -83.9 1 35.0 -52.7 55 17 686.5 686.5 324.0 686.6 0.02 54 11 30430 -43.7 -81.7 1 38.0 -51.7 96 38 833.4 833.4 328.0 833.8 0.05 55 10 31080 -38.3 -79.3 1 41.0 -49.5 85 19 876.6 876.6 329.0 877.3 0.07 56 9.4 31504 -39.9 -79.9 1 40.0 -50.5 886.1 886.2 329.2 886.9 0.07 57 7.9 32704 -35.1 -78.1 0 43.0 -49.4 950.5 950.6 330.4 951.8 0.11 TRP 98 16754 -80.1 -86.1 36 6.0 -80.1 255 19 375.1 375.1 301.5 375.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 570.35 mb = 4856.88 m = 15934.45 ft Wetbulb zero: 594.09 mb = 4476.52 m = 14686.57 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 80.01 % Est. max temperature: 31.03 C = 87.86 F Sfc-Lift cond lev (LCL): 983.16 mb = 239.33 m = 785.19 ft T: 23.53 C 700-500 lapse rate: 5.33 C/km ThetaE index: 17.21 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 938.18 mb = 648.38 m = 2127.22 ft Mean mixing ratio: 17.02 g/kg Conv temperature: 26.80 C = 80.24 F Cap Strength: 1.74 C Lifted Index: -1.58 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.37 C Lifted Index @700 mb: -0.73 C Showalter Index: 4.05 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 16.50 C K Index: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 186.20 Risk: None Energy Index: 1.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 509.76 J/kg Max Up Vert Vel: 31.93 m/s Conv Inhibition (B-): 0.44 J/kg Cap Strength: 1.41 C Lift Cond Lev (LCL): 944.85 mb = 586.53 m = 1924.28 ft Lev Free Conv (LFC): 929.85 mb = 726.32 m = 2382.90 ft Equ Level (EL): 839.85 mb = 1602.94 m = 5258.93 ft B at Equ Level: 28.39 J/kg Max Parcel Lev (MPL): 139.85 mb = 14677.81 m = 48154.95 ft Wind level data Storm motion: 266 at 19 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 65 120 1 -0.9 0.5 | 88 20 -19.7 -0.8 1 1000 91 95 3 -3.0 0.3 | 87 22 -21.8 -1.1 2 976 305 85 11 -11.0 -1.0 | 86 30 -29.8 -2.3 3 942 610 115 11 -10.0 4.6 | 97 29 -28.8 3.3 4 925 772 135 11 -7.8 7.8 | 104 27 -26.6 6.4 5 910 914 135 7 -4.9 4.9 | 99 24 -23.8 3.6 6 878 1219 200 17 5.8 16.0 | 138 20 -13.0 14.6 7 850 1500 200 11 3.8 10.3 | 121 18 -15.0 9.0 8 848 1524 200 11 3.8 10.3 | 121 18 -15.0 9.0 9 818 1829 235 13 10.6 7.5 | 127 10 -8.2 6.1 10 789 2134 235 17 13.9 9.8 | 150 10 -4.9 8.4 11 734 2743 250 33 31.0 11.3 | 231 16 12.2 9.9 12 700 3140 240 36 31.2 18.0 | 217 21 12.4 16.7 13 682 3353 240 38 32.9 19.0 | 219 23 14.1 17.7 14 657 3658 240 36 31.2 18.0 | 217 21 12.4 16.7 15 609 4267 230 33 25.3 21.2 | 198 21 6.5 19.9 16 586 4572 240 35 30.3 17.5 | 215 20 11.5 16.2 17 565 4877 240 36 31.2 18.0 | 217 21 12.4 16.7 18 500 5860 250 25 23.5 8.6 | 213 9 4.7 7.2 19 485 6096 245 23 20.8 9.7 | 194 9 2.0 8.4 20 466 6401 240 21 18.2 10.5 | 176 9 -0.6 9.2 21 400 7580 265 27 26.9 2.4 | 263 8 8.1 1.0 22 398 7620 270 29 29.0 -0.0 | 277 10 10.2 -1.3 23 351 8534 270 23 23.0 -0.0 | 288 4 4.2 -1.3 24 323 9144 250 29 27.3 9.9 | 225 12 8.4 8.6 25 300 9690 260 29 28.6 5.0 | 249 10 9.8 3.7 26 250 10960 270 29 29.0 -0.0 | 277 10 10.2 -1.3 27 200 12450 280 35 34.5 -6.1 | 295 17 15.7 -7.4 28 199 12497 285 36 34.8 -9.3 | 304 19 16.0 -10.7 29 180 13106 290 31 29.1 -10.6 | 319 16 10.3 -11.9 30 164 13716 265 19 18.9 1.7 | 201 0 0.1 0.3 31 156 14021 245 23 20.8 9.7 | 194 9 2.0 8.4 32 150 14260 260 25 24.6 4.3 | 243 7 5.8 3.0 33 148 14326 260 25 24.6 4.3 | 243 7 5.8 3.0 34 134 14935 250 33 31.0 11.3 | 231 16 12.2 9.9 35 127 15240 270 29 29.0 -0.0 | 277 10 10.2 -1.3 36 114 15850 270 25 25.0 -0.0 | 282 6 6.2 -1.3 37 103 16459 235 25 20.5 14.3 | 187 13 1.7 13.0 38 100 16640 255 21 20.3 5.4 | 200 4 1.5 4.1 39 98 16754 255 19 18.4 4.9 | 173 4 -0.5 3.6 40 98 16764 255 21 20.3 5.4 | 200 4 1.5 4.1 41 88 17374 225 15 10.6 10.6 | 139 12 -8.2 9.3 42 83 17678 305 15 12.3 -8.6 | 33 12 -6.5 -9.9 43 79 17983 335 9 3.8 -8.2 | 58 18 -15.0 -9.5 44 70 18650 220 9 5.8 6.9 | 113 14 -13.0 5.6 45 67 18898 220 9 5.8 6.9 | 113 14 -13.0 5.6 46 64 19202 320 9 5.8 -6.9 | 58 15 -13.0 -8.2 47 61 19507 320 9 5.8 -6.9 | 58 15 -13.0 -8.2 48 52 20422 40 9 -5.8 -6.9 | 71 26 -24.6 -8.2 49 50 20630 155 11 -4.6 10.0 | 110 25 -23.5 8.6 50 49 20726 115 15 -13.6 6.3 | 99 33 -32.4 5.0 51 47 21031 155 11 -4.6 10.0 | 110 25 -23.5 8.6 52 45 21336 75 19 -18.4 -4.9 | 80 38 -37.2 -6.3 53 43 21641 120 15 -13.0 7.5 | 101 32 -31.8 6.2 54 40 21946 110 15 -14.1 5.1 | 97 33 -32.9 3.8 55 39 22250 155 19 -8.0 17.2 | 121 31 -26.8 15.9 56 37 22555 165 25 -6.5 24.1 | 132 34 -25.3 22.8 57 35 22860 185 13 1.1 13.0 | 123 21 -17.7 11.6 58 33 23165 185 9 0.8 9.0 | 113 20 -18.0 7.6 59 32 23470 20 15 -5.1 -14.1 | 57 28 -23.9 -15.4 60 30 23774 10 19 -3.3 -18.7 | 48 30 -22.1 -20.0 61 30 23810 45 15 -10.6 -10.6 | 68 32 -29.4 -11.9 62 29 24079 45 15 -10.6 -10.6 | 68 32 -29.4 -11.9 63 27 24384 40 19 -12.2 -14.6 | 63 35 -31.0 -15.9 64 26 24689 100 13 -12.8 2.3 | 92 32 -31.6 0.9 65 25 24994 50 11 -8.4 -7.1 | 73 29 -27.2 -8.4 66 24 25298 35 15 -8.6 -12.3 | 64 31 -27.4 -13.6 67 23 25603 60 9 -7.8 -4.5 | 78 27 -26.6 -5.8 68 22 25908 95 11 -11.0 1.0 | 89 30 -29.8 -0.4 69 21 26213 105 15 -14.5 3.9 | 94 33 -33.3 2.5 70 20 26440 55 17 -13.9 -9.8 | 71 35 -32.7 -11.1 71 20 26518 110 15 -14.1 5.1 | 97 33 -32.9 3.8 72 19 26822 55 17 -13.9 -9.8 | 71 35 -32.7 -11.1 73 18 27127 55 23 -18.8 -13.2 | 69 40 -37.6 -14.5 74 16 27737 75 25 -24.1 -6.5 | 80 44 -43.0 -7.8 75 15 28346 90 27 -27.0 0.0 | 88 46 -45.8 -1.3 76 14 28651 75 36 -34.8 -9.3 | 79 55 -53.6 -10.7 77 14 28956 95 36 -35.9 3.1 | 92 55 -54.7 1.8 78 13 29261 90 38 -38.0 0.0 | 89 57 -56.8 -1.3 79 13 29566 100 29 -28.6 5.0 | 94 48 -47.4 3.7 80 11 30175 100 46 -45.3 8.0 | 96 64 -64.1 6.7 81 10 31080 85 19 -18.9 -1.7 | 85 38 -37.7 -3.0 Wind Parameters Mean winds (0-6000m): 235.9 at 25.1 knts Storm direction: 265.9 at 18.9 knts Shear (0-3000m) pos: 6.3 neg: 1.6 tot: 7.9 10-3/s Storm rel Dir Shear (0-3000m): 131.5 deg Storm rel helicity (0-3000m) pos: 211.8 neg: -49.7 tot: 162.1 m^2/s^2 ave: 54.0 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 12.9 stream: 5.8 10^-3/s Energy-Hel index: 0.52 Bulk Rich Number: 3.64 Bulk Shear: 139.96 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 94 9 89 28| 0.0 10.3 10.3| 35.0 -3.9 31.1 62.2 0.28| 14.5 4.0 1000 116 9 96 27| 5.6 5.2 10.8|106.8 -12.8 94.0 94.0 0.47| 14.3 6.8 1500 152 11 109 25| 5.6 3.4 9.0|151.4 -33.7 117.7 78.5 0.39| 14.6 5.7 2000 179 11 118 22| 6.2 2.6 8.8|164.1 -33.7 130.5 65.2 0.40| 13.4 5.4 2500 205 14 130 17| 7.6 2.1 9.7|197.4 -33.7 163.8 65.5 0.51| 13.4 6.8 3000 224 17 146 13| 6.3 1.6 7.9|211.8 -49.7 162.1 54.0 0.45| 12.9 5.8 4000 231 22 172 12| 4.7 1.9 6.6|215.5 -83.0 132.5 33.1 0.33| 10.9 3.6 5000 233 24 183 13| 4.0 1.5 5.5|251.7 -94.8 156.9 31.4 0.34| 9.9 3.4 6000 236 25 189 13| 3.0 1.4 4.4|252.1-102.9 149.2 24.9 0.27| 9.3 2.5 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250425.12.gif