UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 9 OCT 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 1004 71 28.2 22.2 70 6.0 23.9 90 3 301.0 304.1 296.8 351.0 17.02 1 1000 106 28.2 22.2 70 6.0 23.9 115 5 301.4 304.5 297.0 351.7 17.09 2 948 578 23.4 21.4 89 2.0 22.0 100 18 301.1 304.3 297.0 351.6 17.17 3 946 597 24.4 19.5 74 4.9 20.9 100 19 302.3 305.1 296.0 347.4 15.25 4 936 690 24.2 18.2 69 6.0 20.0 93 17 303.0 305.6 295.5 345.1 14.19 5 925 794 23.4 17.4 69 6.0 19.2 85 15 303.2 305.8 295.2 343.7 13.64 6 880 1229 20.8 18.1 85 2.7 18.9 50 11 304.9 307.7 296.5 349.7 15.02 7 850 1529 19.8 15.7 77 4.1 17.0 60 15 306.9 309.4 296.0 347.0 13.32 8 776 2307 14.2 10.2 77 4.0 11.7 46 10 309.0 310.9 294.3 339.8 10.12 9 761 2473 14.4 4.4 51 10.0 8.6 40 10 310.9 312.2 292.3 332.3 6.90 10 700 3176 11.2 -0.8 43 12.0 4.8 105 23 314.9 315.9 292.0 331.2 5.16 11 657 3703 9.6 -9.4 25 19.0 0.9 105 27 318.8 319.4 291.2 328.2 2.85 12 656 3715 9.6 -9.4 25 19.0 0.9 105 27 319.0 319.5 291.3 328.4 2.86 13 611 4300 5.4 -8.6 36 14.0 -1.1 105 25 320.7 321.3 292.1 331.5 3.27 14 604 4394 5.8 -18.2 16 24.0 -3.3 105 24 322.2 322.5 291.0 327.4 1.51 15 562 4979 2.0 -22.0 15 24.0 -6.2 122 22 324.4 324.7 291.3 328.5 1.17 16 559 5023 2.0 -21.0 16 23.0 -6.0 120 22 324.9 325.2 291.6 329.4 1.28 17 500 5910 -5.3 -26.3 17 21.0 -11.3 90 15 326.6 326.8 291.6 329.8 0.89 18 491 6052 -6.3 -27.3 17 21.0 -12.1 94 17 327.1 327.2 291.7 330.0 0.83 19 472 6361 -6.7 -32.7 11 26.0 -13.1 74 12 330.3 330.4 292.3 332.2 0.52 20 471 6377 -6.7 -32.7 11 26.0 -13.1 72 12 330.5 330.6 292.4 332.4 0.52 21 466 6461 -6.3 -36.3 7 30.0 -13.2 71 12 332.0 332.1 292.6 333.4 0.37 22 416 7340 -11.3 -44.3 5 33.0 -17.1 63 11 336.5 336.5 293.6 337.2 0.18 23 400 7640 -13.9 -39.9 9 26.0 -18.8 110 9 336.9 337.0 293.9 338.1 0.30 24 354 8552 -21.7 -52.7 4 31.0 -25.2 77 12 338.4 338.4 294.0 338.7 0.08 25 300 9750 -29.5 -61.5 3 32.0 -31.8 80 17 343.8 343.8 295.3 343.9 0.03 26 284 10140 -32.1 -64.1 3 32.0 -34.0 96 13 345.5 345.5 295.7 345.6 0.02 27 250 11030 -39.5 -67.5 4 28.0 -40.6 130 9 347.3 347.3 296.1 347.4 0.02 28 240 11308 -41.5 -59.5 13 18.0 -42.3 145 9 348.4 348.4 296.3 348.6 0.05 29 232 11537 -42.9 -71.9 3 29.0 -43.7 157 9 349.7 349.7 296.5 349.7 0.01 30 200 12520 -51.1 -61.1 29 10.0 -51.4 130 9 351.8 351.9 297.1 352.1 0.05 31 193 12750 -52.9 -66.9 17 14.0 -53.2 126 9 352.6 352.6 297.2 352.7 0.02 32 188 12918 -53.3 -78.3 3 25.0 -53.7 132 15 354.6 354.6 297.6 354.6 0.00 33 150 14330 -64.7 -79.7 11 15.0 -64.8 110 23 358.6 358.6 298.4 358.6 0.00 34 124 15467 -73.9 -81.9 28 8.0 -73.9 120 28 362.0 362.0 299.1 362.0 0.00 35 106 16375 -77.1 -86.1 22 9.0 -77.1 115 33 372.5 372.5 301.0 372.5 0.00 36 100 16710 -77.3 -86.3 22 9.0 -77.3 115 29 378.4 378.4 302.0 378.4 0.00 37 95 17005 -75.7 -85.7 19 10.0 -75.7 115 29 387.1 387.1 303.3 387.1 0.00 38 74 18427 -81.9 -87.9 35 6.0 -81.9 98 25 402.7 402.7 305.6 402.7 0.00 39 70 18740 -80.3 -87.3 30 7.0 -80.3 120 35 412.6 412.6 306.8 412.6 0.00 40 68 18904 -80.1 -89.1 21 9.0 -80.1 115 36 416.5 416.5 307.3 416.5 0.00 41 64 19253 -72.9 -88.9 7 16.0 -73.0 110 30 439.5 439.5 309.8 439.6 0.00 42 56 20043 -69.5 -90.5 3 21.0 -69.6 105 19 464.4 464.4 312.1 464.4 0.00 43 54 20260 -69.9 -90.9 3 21.0 -70.1 114 23 468.3 468.3 312.5 468.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 542.84 mb = 5265.66 m = 17275.57 ft Wetbulb zero: 635.40 mb = 3977.96 m = 13050.90 ft Precipitable water: 1.67 inches Sfc-500 mean rel hum: 47.11 % Est. max temperature: 33.82 C = 92.87 F Sfc-Lift cond lev (LCL): 920.49 mb = 836.55 m = 2744.55 ft T: 23.15 C 700-500 lapse rate: 6.04 C/km ThetaE index: 21.48 C Layer 850.0- 656.0 mb Conv cond level (CCL): 823.55 mb = 1799.15 m = 5902.65 ft Mean mixing ratio: 15.80 g/kg Conv temperature: 34.82 C = 94.68 F Cap Strength: 2.32 C Lifted Index: -1.92 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.52 C Lifted Index @700 mb: 0.93 C Showalter Index: -1.22 C Risk: Thunderstorms probable Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 21.00 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 233.40 Risk: None Energy Index: -3.26 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 164.91 J/kg Max Up Vert Vel: 18.16 m/s Conv Inhibition (B-): 181.30 J/kg Cap Strength: 2.34 C Lift Cond Lev (LCL): 890.74 mb = 1122.93 m = 3684.12 ft Lev Free Conv (LFC): 535.74 mb = 5360.69 m = 17587.36 ft Equ Level (EL): 455.74 mb = 6633.43 m = 21762.97 ft B at Equ Level: 66.30 J/kg Max Parcel Lev (MPL): 185.74 mb = 12994.09 m = 42631.02 ft Wind level data Storm motion: 126 at 13 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 1004 71 90 3 -3.0 0.0 | 315 11 7.6 -7.7 1 1000 106 115 5 -4.5 2.1 | 313 8 6.1 -5.6 2 978 305 100 11 -10.8 1.9 | 2 6 -0.2 -5.8 3 945 610 100 19 -18.7 3.3 | 61 9 -8.1 -4.4 4 925 794 85 15 -14.9 -1.3 | 25 10 -4.3 -9.1 5 912 914 70 13 -12.2 -4.4 | 7 12 -1.6 -12.2 6 881 1219 50 11 -8.4 -7.1 | 351 15 2.2 -14.8 7 850 1524 65 15 -13.6 -6.3 | 12 14 -3.0 -14.1 8 850 1529 60 15 -13.0 -7.5 | 9 15 -2.3 -15.2 9 820 1829 50 11 -8.4 -7.1 | 351 15 2.2 -14.8 10 792 2134 60 11 -9.5 -5.5 | 355 13 1.1 -13.2 11 764 2438 35 9 -5.2 -7.4 | 340 16 5.5 -15.1 12 737 2743 90 15 -15.0 0.0 | 29 9 -4.4 -7.7 13 700 3176 105 23 -22.2 6.0 | 81 12 -11.6 -1.8 14 685 3353 105 23 -22.2 6.0 | 81 12 -11.6 -1.8 15 660 3658 105 27 -26.1 7.0 | 87 15 -15.4 -0.8 16 635 3962 105 27 -26.1 7.0 | 87 15 -15.4 -0.8 17 590 4572 105 23 -22.2 6.0 | 81 12 -11.6 -1.8 18 568 4877 125 23 -18.8 13.2 | 124 10 -8.2 5.4 19 527 5486 100 17 -16.7 3.0 | 52 8 -6.1 -4.8 20 507 5791 105 15 -14.5 3.9 | 45 5 -3.8 -3.9 21 500 5910 90 15 -15.0 0.0 | 29 9 -4.4 -7.7 22 488 6096 95 17 -16.9 1.5 | 45 9 -6.3 -6.3 23 469 6401 70 11 -10.3 -3.8 | 358 12 0.3 -11.5 24 451 6706 75 17 -16.4 -4.4 | 25 13 -5.8 -12.1 25 434 7010 55 13 -10.6 -7.5 | 0 15 -0.0 -15.2 26 417 7315 60 11 -9.5 -5.5 | 355 13 1.1 -13.2 27 401 7620 100 9 -8.9 1.6 | 344 6 1.8 -6.2 28 400 7640 110 9 -8.5 3.1 | 335 5 2.2 -4.7 29 385 7925 110 11 -10.3 3.8 | 356 4 0.3 -4.0 30 369 8230 75 9 -8.7 -2.3 | 349 10 2.0 -10.1 31 326 9144 80 17 -16.7 -3.0 | 30 12 -6.1 -10.7 32 313 9449 60 17 -14.7 -8.5 | 14 17 -4.1 -16.2 33 300 9750 80 17 -16.7 -3.0 | 30 12 -6.1 -10.7 34 275 10363 105 11 -10.6 2.8 | 360 5 0.0 -4.9 35 263 10668 100 17 -16.7 3.0 | 52 8 -6.1 -4.8 36 252 10973 110 11 -10.3 3.8 | 356 4 0.3 -4.0 37 250 11030 130 9 -6.9 5.8 | 298 4 3.7 -2.0 38 230 11582 160 9 -3.1 8.5 | 265 8 7.6 0.7 39 210 12192 130 9 -6.9 5.8 | 298 4 3.7 -2.0 40 201 12497 135 7 -4.9 4.9 | 296 6 5.7 -2.8 41 200 12520 130 9 -6.9 5.8 | 298 4 3.7 -2.0 42 191 12802 125 9 -7.4 5.2 | 308 4 3.3 -2.6 43 182 13106 145 25 -14.3 20.5 | 164 13 -3.7 12.7 44 150 14330 110 23 -21.6 7.9 | 91 11 -11.0 0.1 45 143 14630 105 21 -20.3 5.4 | 77 10 -9.6 -2.3 46 135 14935 140 21 -13.5 16.1 | 161 9 -2.9 8.3 47 116 15850 105 33 -31.9 8.5 | 92 21 -21.2 0.8 48 110 16154 115 36 -32.6 15.2 | 109 23 -22.0 7.5 49 100 16710 115 29 -26.3 12.3 | 106 16 -15.6 4.5 50 94 17069 115 29 -26.3 12.3 | 106 16 -15.6 4.5 51 89 17374 95 29 -28.9 2.5 | 74 19 -18.2 -5.2 52 76 18288 100 21 -20.7 3.6 | 68 11 -10.0 -4.1 53 72 18593 95 31 -30.9 2.7 | 76 21 -20.2 -5.0 54 70 18740 120 35 -30.3 17.5 | 116 22 -19.7 9.8 55 68 18898 115 36 -32.6 15.2 | 109 23 -22.0 7.5 56 57 19812 100 17 -16.7 3.0 | 52 8 -6.1 -4.8 57 54 20117 115 23 -20.8 9.7 | 101 10 -10.2 2.0 58 51 20422 120 21 -18.2 10.5 | 110 8 -7.5 2.8 Wind Parameters Mean winds (0-6000m): 96.1 at 17.6 knts Storm direction: 126.1 at 13.2 knts Shear (0-3000m) pos: 5.0 neg: 2.1 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 114.8 deg Storm rel helicity (0-3000m) pos: 85.5 neg: -62.4 tot: 23.1 m^2/s^2 ave: 7.7 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 2.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 29.29 Bulk Shear: 5.63 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 ------------------------------------------------------------------------------- 500 101 11 3 6| 15.5 0.0 15.5| 19.3 0.0 19.3 38.7 0.74| 16.1 11.8 1000 91 13 18 8| 7.7 6.0 13.8| 19.3 -29.9 -10.6 -10.6 0.03| 14.3 0.4 1500 80 13 12 10| 5.2 4.1 9.2| 33.6 -36.3 -2.7 -1.8 0.08| 11.7 1.0 2000 74 13 8 11| 3.9 3.2 7.0| 35.8 -51.4 -15.6 -7.8 -0.01| 10.1 -0.1 2500 70 12 4 12| 3.2 2.5 5.7| 49.6 -62.4 -12.8 -5.1 0.01| 9.6 0.1 3000 75 13 9 11| 5.0 2.1 7.1| 85.5 -62.4 23.1 7.7 0.22| 10.6 2.3 4000 88 16 33 10| 4.4 1.5 5.9| 96.8 -63.3 33.5 8.4 0.25| 8.8 2.2 5000 94 18 47 9| 3.4 1.5 4.9|117.8 -74.9 43.0 8.6 0.24| 8.6 2.1 6000 96 18 49 9| 2.8 1.9 4.8|121.1 -92.5 28.6 4.8 0.13| 8.4 1.1 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251009.12.gif