UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 18 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 22.8 22.1 96 0.7 22.3 165 1 295.7 298.7 295.4 344.4 16.93 1 1000 91 22.6 22.1 97 0.5 22.3 165 1 295.8 298.8 295.4 344.6 16.98 2 925 771 20.8 20.8 100 0.0 20.8 215 13 300.6 303.7 296.7 350.3 16.95 3 890 1105 19.4 19.4 100 0.0 19.4 225 16 302.5 305.4 296.7 350.2 16.14 4 850 1501 17.8 17.2 96 0.6 17.4 235 19 304.8 307.5 296.3 348.6 14.68 5 829 1716 17.0 15.8 93 1.2 16.2 237 20 306.1 308.7 296.1 347.4 13.75 6 765 2398 12.4 12.3 99 0.1 12.3 261 28 308.3 310.5 295.3 344.2 11.84 7 749 2576 13.6 7.6 67 6.0 9.9 263 30 311.5 313.1 294.0 338.5 8.78 8 748 2588 13.6 7.6 67 6.0 9.9 263 30 311.6 313.2 294.0 338.7 8.79 9 700 3145 10.2 6.8 79 3.4 8.1 255 31 313.8 315.5 294.7 341.4 8.90 10 647 3796 5.8 3.5 85 2.3 4.5 254 33 315.9 317.4 294.3 340.0 7.63 11 559 4982 0.0 -16.0 29 16.0 -6.1 271 33 322.6 323.0 291.5 329.3 1.96 12 521 5544 -2.9 -13.9 42 11.0 -7.3 270 32 325.6 326.1 292.9 334.2 2.51 13 518 5590 -3.3 -9.3 63 6.0 -6.0 269 32 325.7 326.4 293.8 337.9 3.65 14 505 5791 -4.3 -18.3 33 14.0 -9.3 266 31 326.9 327.2 292.6 333.1 1.79 15 500 5870 -4.5 -17.5 35 13.0 -9.2 265 31 327.6 327.9 292.9 334.3 1.93 16 487 6077 -5.1 -21.1 27 16.0 -10.5 265 31 329.3 329.6 292.9 334.4 1.46 17 484 6126 -5.3 -19.3 32 14.0 -10.2 265 31 329.6 330.0 293.2 335.6 1.71 18 467 6406 -7.5 -22.5 29 15.0 -12.3 264 31 330.3 330.6 293.1 335.1 1.34 19 443 6814 -10.9 -14.5 75 3.6 -12.3 263 32 331.0 331.6 294.5 340.7 2.81 20 405 7497 -16.3 -17.6 90 1.3 -16.7 260 33 332.6 333.1 294.6 340.9 2.37 21 400 7590 -16.9 -19.9 77 3.0 -17.9 260 33 333.0 333.4 294.3 340.0 1.97 22 391 7760 -18.1 -25.1 54 7.0 -20.0 254 34 333.6 333.9 293.9 338.2 1.27 23 372 8129 -21.3 -26.3 64 5.0 -22.5 258 35 334.2 334.4 294.0 338.5 1.20 24 369 8188 -21.7 -23.5 85 1.8 -22.2 258 36 334.4 334.7 294.3 340.0 1.56 25 357 8430 -23.7 -23.8 99 0.1 -23.7 256 39 334.9 335.2 294.4 340.5 1.57 26 356 8450 -23.9 -24.1 98 0.2 -23.9 256 39 334.9 335.2 294.4 340.4 1.53 27 348 8615 -24.7 -29.2 66 4.5 -25.6 253 40 336.0 336.2 294.2 339.6 0.98 28 338 8827 -25.5 -25.8 97 0.3 -25.6 246 41 337.7 338.0 295.0 342.8 1.38 29 325 9109 -27.3 -29.5 81 2.2 -27.8 236 42 339.1 339.3 295.0 342.9 1.02 30 300 9680 -30.9 -34.7 69 3.8 -31.5 260 46 341.8 342.0 295.4 344.4 0.67 31 297 9752 -31.3 -36.3 61 5.0 -32.0 261 47 342.2 342.4 295.4 344.5 0.58 32 276 10268 -35.7 -39.0 72 3.3 -36.1 267 52 343.1 343.2 295.5 345.0 0.47 33 250 10950 -41.5 -45.8 63 4.3 -41.8 275 60 344.4 344.4 295.6 345.4 0.25 34 232 11451 -45.3 -52.3 45 7.0 -45.7 275 63 346.0 346.1 295.8 346.6 0.13 35 221 11772 -48.3 -51.5 69 3.2 -48.4 275 65 346.3 346.3 296.0 346.9 0.15 36 217 11892 -49.3 -56.3 44 7.0 -49.6 275 66 346.5 346.5 296.0 346.9 0.09 37 211 12074 -50.9 -54.9 62 4.0 -51.1 275 68 346.8 346.8 296.0 347.3 0.11 38 204 12293 -52.3 -56.1 63 3.8 -52.4 275 70 348.0 348.0 296.3 348.4 0.09 39 201 12388 -53.1 -63.1 29 10.0 -53.4 275 71 348.2 348.2 296.3 348.4 0.04 40 200 12420 -53.3 -62.3 33 9.0 -53.5 275 71 348.4 348.4 296.3 348.6 0.04 41 197 12517 -54.0 -59.3 52 5.3 -54.2 275 73 348.7 348.7 296.4 349.0 0.07 42 195 12583 -54.5 -57.3 71 2.8 -54.6 275 73 349.0 349.0 296.5 349.3 0.08 43 191 12715 -54.9 -66.9 21 12.0 -55.1 275 73 350.4 350.4 296.7 350.5 0.02 44 188 12817 -55.5 -62.5 41 7.0 -55.6 275 73 351.0 351.0 296.9 351.2 0.05 45 187 12851 -55.7 -64.7 32 9.0 -55.9 275 72 351.2 351.3 297.0 351.4 0.03 46 185 12919 -55.5 -78.5 4 23.0 -55.8 275 69 352.7 352.7 297.2 352.7 0.00 47 150 14230 -64.3 -78.3 13 14.0 -64.4 270 48 359.3 359.3 298.5 359.3 0.01 48 139 14692 -67.5 -81.5 12 14.0 -67.6 267 44 361.6 361.6 299.0 361.6 0.00 49 100 16630 -77.1 -87.1 19 10.0 -77.1 285 25 378.8 378.8 302.1 378.8 0.00 50 85 17549 -82.9 -89.9 29 7.0 -82.9 265 15 385.0 385.0 303.1 385.1 0.00 51 76 18181 -77.5 -88.5 15 11.0 -77.5 270 12 408.9 408.9 306.3 408.9 0.00 52 70 18650 -78.7 -89.7 15 11.0 -78.7 310 15 416.0 416.0 307.2 416.0 0.00 53 61 19436 -79.1 -90.1 15 11.0 -79.1 13 9 431.8 431.8 309.0 431.8 0.00 54 52 20366 -71.3 -89.3 5 18.0 -71.4 95 13 470.2 470.2 312.7 470.2 0.00 55 50 20600 -68.1 -89.1 3 21.0 -68.3 185 5 483.0 483.0 313.7 483.0 0.00 56 47 20979 -60.5 -87.5 2 27.0 -61.1 18 2 509.9 509.9 315.7 509.9 0.00 57 44 21393 -58.1 -87.1 1 29.0 -58.9 49 7 525.4 525.4 316.6 525.5 0.00 58 30 23830 -54.3 -85.3 1 31.0 -56.0 65 17 596.6 596.6 320.5 596.7 0.01 59 27 24505 -54.3 -85.3 1 31.0 -56.2 56 23 614.9 614.9 321.3 614.9 0.01 60 21 26131 -49.7 -83.7 1 34.0 -53.1 105 26 674.6 674.6 323.6 674.7 0.02 61 20 26450 -50.5 -83.5 1 33.0 -53.8 100 29 681.6 681.6 323.8 681.7 0.02 62 16 27907 -50.7 -83.7 1 33.0 -54.5 105 39 725.9 725.9 325.3 726.0 0.02 63 10 31060 -37.9 -78.9 1 41.0 -49.3 95 46 878.1 878.1 329.0 878.9 0.08 64 8.8 31942 -37.1 -79.1 0 42.0 -49.7 913.9 913.9 329.7 914.8 0.09 TRP 85 17549 -82.9 -89.9 29 7.0 -82.9 265 15 385.0 385.0 303.1 385.1 0.00 WND 197 12517 -54.0 -59.3 52 5.3 -54.2 275 73 348.7 348.7 296.4 349.0 0.07 Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 559.00 mb = 4982.34 m = 16346.07 ft Wetbulb zero: 609.89 mb = 4275.35 m = 14026.57 ft Precipitable water: 2.20 inches Sfc-500 mean rel hum: 75.12 % Est. max temperature: 31.73 C = 89.11 F Sfc-Lift cond lev (LCL): 993.18 mb = 150.66 m = 494.28 ft T: 22.44 C 700-500 lapse rate: 5.39 C/km ThetaE index: 11.80 C Layer 890.0- 748.0 mb Conv cond level (CCL): 923.91 mb = 781.25 m = 2563.12 ft Mean mixing ratio: 16.90 g/kg Conv temperature: 27.75 C = 81.95 F Cap Strength: 1.04 C Lifted Index: -0.89 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.48 C Lifted Index @700 mb: 0.16 C Showalter Index: -1.06 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.30 C Cross Totals Index: 21.70 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 362.90 Risk: Showers and thunderstorms possible Energy Index: -2.81 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 573.36 J/kg Max Up Vert Vel: 33.86 m/s Conv Inhibition (B-): 21.57 J/kg Cap Strength: 0.95 C Lift Cond Lev (LCL): 949.48 mb = 543.21 m = 1782.16 ft Lev Free Conv (LFC): 794.48 mb = 2076.78 m = 6813.50 ft Equ Level (EL): 754.48 mb = 2514.78 m = 8250.49 ft B at Equ Level: 30.63 J/kg Max Parcel Lev (MPL): 134.48 mb = 14887.12 m = 48841.66 ft Wind level data Storm motion: 285 at 20 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 1000 91 165 1 -0.3 1.0 | 108 20 -19.1 6.1 1 976 305 125 5 -4.1 2.9 | 109 24 -23.0 8.0 2 942 610 200 11 3.8 10.3 | 136 22 -15.1 15.4 3 925 771 215 13 7.5 10.6 | 144 19 -11.4 15.7 4 910 914 220 15 9.6 11.5 | 151 19 -9.2 16.6 5 850 1501 235 19 15.6 10.9 | 168 16 -3.3 16.0 6 789 2134 240 23 19.9 11.5 | 184 17 1.1 16.6 7 761 2438 265 29 28.9 2.5 | 233 13 10.0 7.6 8 734 2743 260 31 30.5 5.4 | 228 16 11.7 10.5 9 708 3048 255 29 28.0 7.5 | 216 16 9.2 12.6 10 700 3145 255 31 29.9 8.0 | 220 17 11.1 13.1 11 657 3658 255 33 31.9 8.5 | 224 19 13.0 13.6 12 609 4267 250 33 31.0 11.3 | 217 20 12.2 16.4 13 587 4572 265 33 32.9 2.9 | 240 16 14.0 8.0 14 544 5182 275 33 32.9 -2.9 | 261 14 14.0 2.2 15 500 5870 265 31 30.9 2.7 | 237 14 12.0 7.8 16 486 6096 265 31 30.9 2.7 | 237 14 12.0 7.8 17 400 7590 260 33 32.5 5.7 | 232 17 13.6 10.8 18 398 7620 250 35 32.9 12.0 | 219 22 14.0 17.1 19 382 7925 260 33 32.5 5.7 | 232 17 13.6 10.8 20 351 8534 255 40 38.6 10.4 | 232 25 19.8 15.4 21 323 9144 235 42 34.4 24.1 | 208 33 15.5 29.2 22 310 9449 260 46 45.3 8.0 | 244 30 26.4 13.1 23 300 9680 260 46 45.3 8.0 | 244 30 26.4 13.1 24 250 10950 275 60 59.8 -5.2 | 270 41 40.9 -0.1 25 217 11887 275 66 65.7 -5.8 | 271 47 46.9 -0.7 26 200 12420 275 71 70.7 -6.2 | 271 52 51.9 -1.1 27 197 12517 275 73 72.7 -6.4 | 271 54 53.9 -1.3 28 188 12802 275 73 72.7 -6.4 | 271 54 53.9 -1.3 29 171 13411 275 52 51.8 -4.5 | 269 33 32.9 0.6 30 150 14230 270 48 48.0 -0.0 | 260 30 29.1 5.1 31 133 14935 265 42 41.8 3.7 | 249 25 23.0 8.8 32 114 15850 300 36 31.2 -18.0 | 316 18 12.3 -12.9 33 100 16630 285 25 24.1 -6.5 | 285 5 5.3 -1.4 34 98 16764 280 25 24.6 -4.3 | 263 6 5.8 0.8 35 93 17069 295 27 24.5 -11.4 | 318 8 5.6 -6.3 36 85 17549 265 15 14.9 1.3 | 149 8 -3.9 6.4 37 79 17983 250 9 8.5 3.1 | 128 13 -10.4 8.2 38 75 18288 280 13 12.8 -2.3 | 115 7 -6.1 2.8 39 71 18593 280 15 14.8 -2.6 | 121 5 -4.1 2.5 40 70 18650 310 15 11.5 -9.6 | 58 9 -7.4 -4.5 41 64 19202 325 15 8.6 -12.3 | 55 13 -10.3 -7.2 42 60 19507 25 7 -3.0 -6.3 | 87 22 -21.8 -1.2 43 57 19812 95 15 -14.9 1.3 | 101 34 -33.8 6.4 44 54 20117 120 11 -9.5 5.5 | 110 30 -28.4 10.6 45 52 20422 90 13 -13.0 0.0 | 99 32 -31.9 5.1 46 50 20600 185 5 0.4 5.0 | 119 21 -18.4 10.1 47 49 20726 140 15 -9.6 11.5 | 120 33 -28.5 16.6 48 47 21031 0 0 -0.0 -0.0 | 105 20 -18.9 5.1 49 42 21641 80 11 -10.8 -1.9 | 96 30 -29.7 3.2 50 40 21946 140 9 -5.8 6.9 | 116 27 -24.6 12.0 51 39 22250 110 15 -14.1 5.1 | 107 35 -33.0 10.2 52 35 22860 70 11 -10.3 -3.8 | 93 29 -29.2 1.3 53 32 23470 70 19 -17.9 -6.5 | 88 37 -36.7 -1.4 54 30 23830 65 17 -15.4 -7.2 | 87 34 -34.3 -2.1 55 29 24079 80 19 -18.7 -3.3 | 93 38 -37.6 1.8 56 28 24384 50 21 -16.1 -13.5 | 76 36 -34.9 -8.4 57 25 24994 80 29 -28.6 -5.0 | 90 47 -47.4 0.1 58 22 25908 120 29 -25.1 14.5 | 114 48 -44.0 19.6 59 21 26213 100 25 -24.6 4.3 | 102 44 -43.5 9.4 60 20 26450 100 29 -28.6 5.0 | 102 48 -47.4 10.1 61 20 26518 120 29 -25.1 14.5 | 114 48 -44.0 19.6 62 18 27127 80 38 -37.4 -6.6 | 88 56 -56.3 -1.5 63 16 27737 95 40 -39.8 3.5 | 98 59 -58.7 8.6 64 16 28042 110 38 -35.7 13.0 | 108 57 -54.6 18.1 65 14 28651 105 35 -33.8 9.1 | 105 55 -52.7 14.2 66 13 29261 80 38 -37.4 -6.6 | 88 56 -56.3 -1.5 67 13 29566 70 42 -39.5 -14.4 | 81 59 -58.3 -9.3 68 11 30175 80 56 -55.1 -9.7 | 86 74 -74.0 -4.6 69 10 31060 95 46 -45.8 4.0 | 98 65 -64.7 9.1 Wind Parameters Mean winds (0-6000m): 255.1 at 26.0 knts Storm direction: 285.1 at 19.5 knts Storm rel Dir Shear (0-3000m): 171.8 deg Energy-Hel index: 0.52 Bulk Rich Number: 6.04 Bulk Shear: 94.96 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 ------------------------------------------------------------------------------- 500 159 6 116 23| | | 1000 203 10 133 21| | | 1500 218 12 143 19| | | 2000 226 15 151 17| | | 2500 235 17 162 16| | | 3000 242 19 172 14| | | 4000 247 23 188 14| | | 5000 251 25 199 14| | | 6000 255 26 208 13| | | Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250418.00.gif