UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 29 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 1006 65 23.8 15.8 61 8.0 18.5 80 1 296.4 298.5 291.5 329.0 11.29 1 1000 117 23.6 15.6 61 8.0 18.3 90 5 296.8 298.8 291.5 329.2 11.21 2 964 436 21.0 13.0 60 8.0 15.9 87 16 297.3 299.0 290.5 325.7 9.80 3 951 554 21.8 7.8 41 14.0 13.5 89 18 299.2 300.5 288.7 319.9 6.99 4 925 794 20.6 3.6 33 17.0 11.2 85 15 300.4 301.4 287.5 316.4 5.36 5 919 850 20.8 2.8 30 18.0 10.9 83 13 301.1 302.1 287.6 316.4 5.09 6 895 1079 19.6 10.6 56 9.0 14.0 61 6 302.2 303.8 291.4 328.9 9.00 7 868 1341 17.4 12.7 74 4.7 14.4 19 3 302.6 304.5 292.9 334.2 10.69 8 850 1520 16.0 12.2 78 3.8 13.6 340 5 302.9 304.9 292.9 334.3 10.56 9 806 1970 12.2 9.9 86 2.3 10.8 336 6 303.5 305.3 292.2 332.0 9.55 10 787 2170 11.2 9.7 90 1.5 10.3 331 8 304.5 306.3 292.6 333.4 9.65 11 758 2483 9.8 7.3 84 2.5 8.3 298 16 306.3 307.9 292.2 332.0 8.50 12 747 2605 10.8 8.1 83 2.7 9.2 292 15 308.7 310.4 293.4 336.4 9.11 13 734 2752 10.0 7.8 86 2.2 8.6 285 13 309.3 311.0 293.6 337.1 9.09 14 719 2924 8.8 6.6 86 2.2 7.5 289 11 309.8 311.5 293.3 336.0 8.54 15 706 3075 8.8 -2.2 46 11.0 3.2 293 10 311.5 312.3 290.6 326.0 4.61 16 700 3146 8.4 -3.6 43 12.0 2.4 295 9 311.8 312.6 290.3 325.0 4.19 17 683 3349 7.8 -9.2 29 17.0 0.3 285 7 313.3 313.8 289.5 322.3 2.79 18 674 3458 7.2 2.2 70 5.0 4.4 290 8 313.8 315.1 293.0 334.7 6.67 19 613 4235 3.6 -6.4 48 10.0 -1.2 272 11 318.3 319.1 291.9 330.9 3.86 20 591 4531 3.2 -19.8 17 23.0 -5.0 262 9 321.2 321.5 290.5 325.8 1.34 21 581 4670 2.6 -12.4 32 15.0 -3.7 265 11 322.1 322.6 291.9 330.6 2.54 22 553 5068 0.0 -9.0 51 9.0 -4.1 276 17 323.6 324.3 293.1 335.2 3.50 23 516 5620 -2.5 -20.5 24 18.0 -8.7 264 21 327.0 327.3 292.3 332.1 1.45 24 500 5870 -4.1 -15.1 42 11.0 -8.4 270 21 328.0 328.5 293.4 336.2 2.37 25 469 6370 -7.7 -14.7 57 7.0 -10.4 275 19 329.6 330.2 294.0 338.6 2.61 26 423 7165 -11.7 -46.7 4 35.0 -17.4 268 23 334.4 334.4 293.0 334.9 0.14 27 400 7590 -14.3 -32.3 20 18.0 -18.4 275 27 336.4 336.5 294.0 338.8 0.64 28 396 7666 -14.7 -33.7 18 19.0 -18.9 276 27 336.8 337.0 294.1 339.0 0.56 29 362 8338 -20.5 -30.5 40 10.0 -22.7 279 29 337.9 338.0 294.6 341.0 0.83 30 348 8628 -22.5 -38.5 22 16.0 -25.2 278 30 339.0 339.1 294.4 340.5 0.39 31 300 9700 -30.5 -35.4 62 4.9 -31.3 275 35 342.4 342.5 295.4 344.8 0.63 32 293 9868 -32.1 -35.4 72 3.3 -32.6 275 36 342.4 342.6 295.5 344.9 0.64 33 269 10466 -36.7 -44.7 43 8.0 -37.5 275 38 344.2 344.3 295.6 345.3 0.27 34 255 10835 -39.7 -45.7 53 6.0 -40.2 275 39 345.1 345.1 295.8 346.1 0.25 35 250 10970 -40.7 -48.7 42 8.0 -41.3 275 40 345.6 345.6 295.8 346.3 0.18 36 242 11191 -42.1 -56.1 20 14.0 -42.8 275 43 346.7 346.7 296.0 347.0 0.08 37 240 11247 -42.3 -55.3 23 13.0 -43.0 275 44 347.2 347.2 296.1 347.6 0.09 38 207 12227 -51.1 -58.1 43 7.0 -51.3 289 52 348.4 348.4 296.4 348.7 0.07 39 202 12386 -52.1 -64.1 22 12.0 -52.4 283 51 349.3 349.3 296.5 349.4 0.03 40 200 12450 -52.7 -63.7 25 11.0 -52.9 280 50 349.3 349.3 296.5 349.5 0.04 41 183 13016 -57.3 -68.3 23 11.0 -57.5 282 53 350.8 350.8 296.8 350.9 0.02 42 154 14081 -66.1 -72.1 43 6.0 -66.1 282 57 353.5 353.5 297.4 353.6 0.01 43 150 14240 -67.1 -74.1 36 7.0 -67.1 280 56 354.5 354.5 297.6 354.5 0.01 44 144 14485 -68.9 -76.9 31 8.0 -68.9 277 53 355.5 355.5 297.8 355.6 0.01 45 138 14740 -69.1 -79.1 22 10.0 -69.2 274 50 359.5 359.5 298.6 359.6 0.01 46 112 15962 -77.7 -84.7 31 7.0 -77.7 268 44 365.6 365.6 299.8 365.6 0.00 47 100 16610 -78.5 -86.5 26 8.0 -78.5 295 31 376.1 376.1 301.6 376.1 0.00 48 86 17464 -81.7 -87.7 35 6.0 -81.7 265 23 386.2 386.2 303.2 386.2 0.00 49 72 18470 -78.3 -88.3 18 10.0 -78.3 325 16 413.5 413.5 306.9 413.5 0.00 50 70 18630 -79.5 -89.5 18 10.0 -79.6 275 9 414.3 414.3 307.0 414.3 0.00 51 68 18795 -79.9 -89.9 17 10.0 -79.9 285 9 416.9 416.9 307.3 416.9 0.00 52 59 19622 -69.1 -89.1 4 20.0 -69.2 253 17 458.4 458.4 311.6 458.4 0.00 53 56 19933 -71.1 -90.1 4 19.0 -71.2 268 17 460.8 460.8 311.8 460.8 0.00 54 52 20379 -64.5 -89.5 2 25.0 -64.8 334 9 486.0 486.0 313.9 486.0 0.00 55 50 20620 -62.9 -88.9 2 26.0 -63.3 345 9 495.3 495.3 314.6 495.3 0.00 56 45 21272 -61.5 -88.5 2 27.0 -62.0 68 9 513.8 513.8 315.9 513.8 0.00 57 40 21999 -63.3 -89.3 2 26.0 -63.8 360 8 526.9 526.9 316.7 526.9 0.00 58 30 23810 -53.5 -84.5 1 31.0 -55.4 90 9 598.8 598.8 320.6 598.9 0.01 59 29 24028 -53.5 -84.5 1 31.0 -55.4 66 7 604.6 604.6 320.8 604.7 0.01 60 26 24727 -55.9 -86.9 1 31.0 -57.5 14 3 617.0 617.0 321.3 617.0 0.01 61 22 25811 -47.7 -82.7 1 35.0 -51.7 106 12 671.6 671.6 323.5 671.8 0.02 62 20 26440 -48.3 -82.3 1 34.0 -52.3 45 23 688.3 688.3 324.0 688.5 0.02 63 19 26778 -48.5 -82.5 1 34.0 -52.6 52 27 697.9 697.9 324.4 698.1 0.02 64 18 27136 -45.3 -81.3 1 36.0 -50.7 59 25 718.9 718.9 325.0 719.1 0.03 65 16 27924 -43.7 -80.7 1 37.0 -50.1 98 23 748.7 748.7 325.9 749.0 0.04 66 15 28357 -44.3 -81.3 1 37.0 -50.7 77 13 760.7 760.7 326.3 761.0 0.04 67 12 29859 -42.3 -80.3 1 38.0 -50.5 125 21 817.9 817.9 327.7 818.4 0.05 68 11 30445 -44.3 -81.3 1 37.0 -52.0 115 17 831.2 831.2 328.0 831.7 0.05 69 11 30445 -41.5 -80.5 1 39.0 -50.5 115 17 841.4 841.4 328.2 841.9 0.06 70 10 31090 -42.7 -80.7 1 38.0 -51.5 105 13 860.2 860.2 328.6 860.7 0.06 71 9.9 31158 -43.1 -81.1 1 38.0 -51.8 861.1 861.2 328.7 861.7 0.06 72 7.3 33265 -30.9 -75.9 0 45.0 -48.4 989.4 989.5 331.0 991.4 0.17 73 6.1 34530 -34.5 -77.5 0 43.0 -50.7 1026.0 1026.1 331.6 1028.0 0.16 TRP 86 17464 -81.7 -87.7 35 6.0 -81.7 265 23 386.2 386.2 303.2 386.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5753.00 m Freezing level: 553.00 mb = 5067.70 m = 16626.09 ft Wetbulb zero: 625.63 mb = 4067.76 m = 13345.52 ft Precipitable water: 1.45 inches Sfc-500 mean rel hum: 56.40 % Est. max temperature: 30.16 C = 86.28 F Sfc-Lift cond lev (LCL): 894.51 mb = 1083.27 m = 3553.99 ft T: 19.56 C 700-500 lapse rate: 4.59 C/km ThetaE index: 14.76 C Layer 719.0- 674.0 mb Conv cond level (CCL): 615.86 mb = 4196.47 m = 13767.79 ft Mean mixing ratio: 8.19 g/kg Conv temperature: 45.50 C = 113.91 F Cap Strength: 10.72 C Lifted Index: 10.82 C Risk: None Lifted Index @300 mb: 14.54 C Lifted Index @700 mb: 6.86 C Showalter Index: 5.14 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 16.30 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 177.40 Risk: None Energy Index: 0.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.53 J/kg Max Up Vert Vel: 6.86 m/s Conv Inhibition (B-): 46158.74 J/kg Cap Strength: 10.76 C Lift Cond Lev (LCL): 805.76 mb = 1972.27 m = 6470.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 9 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 1006 65 80 1 -1.0 -0.2 | 133 9 -6.9 6.4 1 1000 117 90 5 -5.0 0.0 | 121 13 -10.9 6.6 2 979 305 85 13 -13.0 -1.1 | 106 20 -18.9 5.4 3 945 610 90 19 -19.0 0.0 | 105 26 -24.9 6.6 4 925 794 85 15 -14.9 -1.3 | 104 22 -20.9 5.2 5 912 914 80 11 -10.8 -1.9 | 105 17 -16.8 4.6 6 880 1219 45 1 -0.7 -0.7 | 131 9 -6.6 5.8 7 850 1520 340 5 1.7 -4.7 | 114 5 -4.2 1.9 8 790 2134 335 7 3.0 -6.3 | 94 3 -3.0 0.2 9 762 2438 300 17 14.7 -8.5 | 283 9 8.8 -1.9 10 734 2743 285 13 12.6 -3.4 | 244 7 6.6 3.2 11 700 3146 295 9 8.2 -3.8 | 219 4 2.2 2.7 12 682 3353 285 7 6.8 -1.8 | 190 5 0.8 4.7 13 657 3658 300 9 7.8 -4.5 | 222 3 1.9 2.1 14 609 4267 270 11 11.0 -0.0 | 218 8 5.1 6.6 15 587 4572 260 9 8.9 1.6 | 200 9 2.9 8.1 16 565 4877 280 15 14.8 -2.6 | 246 10 8.8 3.9 17 505 5791 260 23 22.7 4.0 | 238 20 16.7 10.5 18 500 5870 270 21 21.0 -0.0 | 246 16 15.1 6.6 19 486 6096 275 19 18.9 -1.7 | 249 14 13.0 4.9 20 467 6401 275 19 18.9 -1.7 | 249 14 13.0 4.9 21 449 6706 260 19 18.7 3.3 | 232 16 12.8 9.9 22 400 7590 275 27 26.9 -2.4 | 259 21 21.0 4.2 23 382 7925 280 27 26.6 -4.7 | 265 21 20.6 1.9 24 300 9700 275 35 34.9 -3.1 | 263 29 28.9 3.5 25 250 10970 275 40 39.8 -3.5 | 265 34 33.9 3.1 26 239 11278 275 44 43.8 -3.8 | 266 38 37.9 2.7 27 208 12192 290 52 48.9 -17.8 | 285 44 42.9 -11.2 28 200 12450 280 50 49.2 -8.7 | 273 43 43.3 -2.1 29 163 13716 285 58 56.0 -15.0 | 280 51 50.1 -8.5 30 150 14240 280 56 55.1 -9.7 | 274 49 49.2 -3.2 31 120 15545 265 40 39.8 3.5 | 254 35 33.9 10.0 32 108 16154 270 46 46.0 -0.0 | 261 41 40.1 6.6 33 100 16610 295 31 28.1 -13.1 | 286 23 22.2 -6.6 34 97 16764 295 38 34.4 -16.1 | 288 30 28.5 -9.5 35 87 17374 260 27 26.6 4.7 | 241 24 20.6 11.2 36 86 17464 265 23 22.9 2.0 | 243 19 17.0 8.6 37 78 17983 295 25 22.7 -10.6 | 284 17 16.7 -4.0 38 74 18288 325 21 12.0 -17.2 | 330 12 6.1 -10.7 39 70 18593 325 13 7.5 -10.6 | 340 4 1.5 -4.1 40 70 18630 275 9 9.0 -0.8 | 208 7 3.0 5.8 41 67 18898 290 9 8.5 -3.1 | 216 4 2.5 3.5 42 64 19202 285 1 1.0 -0.3 | 142 8 -5.0 6.3 43 60 19507 255 13 12.6 3.4 | 214 12 6.6 9.9 44 57 19812 250 21 19.7 7.2 | 225 19 13.8 13.7 45 54 20117 290 13 12.2 -4.4 | 251 7 6.3 2.1 46 52 20422 340 9 3.1 -8.5 | 56 3 -2.9 -1.9 47 50 20620 345 9 2.3 -8.7 | 59 4 -3.6 -2.1 48 49 20726 315 11 7.8 -7.8 | 304 2 1.8 -1.2 49 45 21336 80 9 -8.9 -1.6 | 109 16 -14.8 5.0 50 42 21641 315 9 6.4 -6.4 | 246 0 0.4 0.2 51 40 21946 360 9 -0.0 -9.0 | 68 6 -5.9 -2.4 52 35 22860 0 0 -0.0 -0.0 | 138 9 -5.9 6.6 53 30 23810 90 9 -9.0 0.0 | 114 16 -14.9 6.6 54 26 24689 355 1 0.1 -1.0 | 133 8 -5.9 5.6 55 25 24994 115 13 -11.8 5.5 | 124 21 -17.7 12.0 56 24 25298 110 17 -16.0 5.8 | 119 25 -21.9 12.4 57 23 25603 135 11 -7.8 7.8 | 136 20 -13.7 14.3 58 22 25908 95 13 -13.0 1.1 | 112 20 -18.9 7.7 59 21 26213 85 11 -11.0 -1.0 | 108 18 -16.9 5.6 60 20 26440 45 23 -16.3 -16.3 | 66 24 -22.2 -9.7 61 20 26518 45 29 -20.5 -20.5 | 62 30 -26.4 -14.0 62 18 27127 60 25 -21.7 -12.5 | 78 28 -27.6 -5.9 63 17 27432 40 25 -16.1 -19.2 | 60 25 -22.0 -12.6 64 16 28042 110 23 -21.6 7.9 | 118 31 -27.6 14.4 65 15 28346 75 13 -12.6 -3.4 | 100 19 -18.5 3.2 66 14 28956 120 17 -14.7 8.5 | 126 26 -20.7 15.1 67 13 29261 110 13 -12.2 4.4 | 121 21 -18.2 11.0 68 13 29566 130 23 -17.6 14.8 | 132 32 -23.6 21.3 69 10 31090 105 13 -12.6 3.4 | 118 21 -18.5 9.9 Wind Parameters Mean winds (0-6000m): 287.8 at 11.8 knts Storm direction: 317.8 at 8.8 knts Shear (0-3000m) pos: 2.9 neg: 4.7 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 95.9 deg Storm rel helicity (0-3000m) pos: 13.3 neg: -53.0 tot: -39.7 m^2/s^2 ave: -13.2 10^-3 m/s^2 rel: -0.34 Storm rel vorticity (0-3000m) horiz: 10.9 stream: -3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.33 Bulk Shear: 71.20 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 87 12 109 19| 17.6 0.0 17.6| 0.0 -26.6 -26.6 -53.2 -0.40| 17.8 -7.1 1000 86 13 107 19| 8.8 6.7 15.5| 4.5 -28.3 -23.8 -23.8 -0.20| 15.6 -3.1 1500 81 10 108 16| 5.9 7.0 12.9| 13.3 -32.0 -18.7 -12.5 -0.12| 13.7 -1.6 2000 67 9 103 14| 4.4 5.6 10.0| 13.3 -33.0 -19.7 -9.9 -0.14| 10.7 -1.5 2500 39 9 86 12| 3.5 6.7 10.3| 13.3 -44.8 -31.5 -12.6 -0.30| 11.7 -3.5 3000 5 10 64 8| 2.9 4.7 7.6| 13.3 -53.0 -39.7 -13.2 -0.34| 10.9 -3.7 4000 331 10 35 2| 2.4 3.8 6.2| 15.3 -56.2 -40.9 -10.2 -0.31| 9.4 -2.9 5000 306 10 253 2| 1.2 2.9 4.1| 32.3 -63.1 -30.8 -6.2 -0.21| 8.9 -1.9 6000 288 12 241 6| 1.2 2.9 4.1| 47.4 -72.0 -24.6 -4.1 -0.17| 8.7 -1.5 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250429.12.gif