UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 18 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 1006 67 27.8 23.6 78 4.2 24.7 50 1 300.4 303.8 297.7 354.8 18.53 1 1000 120 27.6 23.2 77 4.4 24.4 60 3 300.8 304.1 297.5 354.2 18.19 2 948 592 23.8 21.9 89 1.9 22.5 65 9 301.5 304.8 297.4 353.8 17.72 3 925 807 23.2 19.2 78 4.0 20.4 45 9 303.0 305.9 296.3 348.4 15.31 4 873 1311 21.0 14.0 64 7.0 16.3 43 11 305.8 308.0 294.4 340.6 11.59 5 850 1542 19.2 12.2 64 7.0 14.7 75 7 306.3 308.2 293.9 338.0 10.56 6 780 2276 15.4 6.4 55 9.0 10.0 87 10 309.8 311.3 292.7 333.6 7.75 7 730 2835 11.6 6.6 71 5.0 8.6 81 10 311.6 313.2 293.7 337.5 8.41 8 723 2916 11.8 2.8 54 9.0 6.7 92 10 312.6 313.9 292.5 332.9 6.49 9 711 3056 11.4 0.4 47 11.0 5.4 110 11 313.7 314.8 292.0 331.2 5.55 10 700 3186 10.6 1.6 54 9.0 5.6 110 11 314.2 315.4 292.7 333.6 6.15 11 636 3979 5.4 0.4 70 5.0 2.7 110 5 317.0 318.2 293.5 336.8 6.21 12 615 4254 4.8 -13.2 26 18.0 -2.6 119 7 319.4 319.8 290.8 326.9 2.25 13 597 4496 2.8 -3.2 65 6.0 -0.3 127 8 319.8 320.8 293.4 336.2 5.06 14 535 5376 -3.3 -7.3 74 4.0 -5.1 106 5 322.7 323.5 293.4 336.3 4.13 15 530 5450 -3.5 -8.5 68 5.0 -5.8 104 5 323.3 324.1 293.3 335.9 3.80 16 528 5480 -3.3 -15.3 39 12.0 -7.9 103 5 323.9 324.4 292.1 331.4 2.20 17 516 5662 -4.5 -19.5 30 15.0 -9.6 98 4 324.6 324.9 291.7 330.1 1.58 18 503 5863 -5.9 -11.9 63 6.0 -8.4 91 3 325.3 325.9 293.2 335.6 3.06 19 500 5910 -6.1 -14.1 53 8.0 -9.2 90 3 325.6 326.1 292.9 334.3 2.57 20 498 5941 -6.1 -20.1 32 14.0 -10.8 92 4 326.0 326.3 292.1 331.4 1.56 21 472 6358 -8.3 -11.5 78 3.2 -9.6 134 10 328.3 329.0 294.3 339.7 3.36 22 442 6863 -11.1 -19.1 52 8.0 -13.8 152 11 331.0 331.4 293.7 337.7 1.91 23 407 7490 -15.7 -18.4 80 2.7 -16.6 138 19 332.9 333.4 294.5 340.7 2.20 24 400 7620 -16.3 -20.2 72 3.9 -17.6 135 21 333.8 334.2 294.4 340.6 1.92 25 390 7810 -17.1 -27.1 42 10.0 -19.7 131 19 335.2 335.4 294.1 339.1 1.06 26 360 8405 -22.1 -25.5 74 3.4 -22.9 135 24 336.2 336.5 294.6 341.1 1.33 27 336 8908 -26.3 -32.3 57 6.0 -27.4 138 29 337.2 337.4 294.3 340.0 0.76 28 331 9016 -26.3 -45.3 15 19.0 -28.6 139 30 338.7 338.7 294.2 339.5 0.20 29 314 9395 -28.7 -49.7 11 21.0 -30.8 148 24 340.5 340.5 294.6 341.0 0.13 30 300 9720 -31.7 -48.7 17 17.0 -33.3 160 15 340.7 340.7 294.6 341.3 0.15 31 251 10953 -42.5 -50.5 41 8.0 -43.0 190 17 342.5 342.5 295.1 343.1 0.15 32 250 10980 -42.7 -50.7 41 8.0 -43.2 180 17 342.6 342.6 295.1 343.2 0.15 33 247 11061 -43.3 -51.3 41 8.0 -43.7 174 16 342.9 342.9 295.1 343.4 0.14 34 244 11143 -43.7 -60.7 14 17.0 -44.4 168 16 343.5 343.5 295.2 343.7 0.04 35 234 11423 -45.9 -65.9 9 20.0 -46.5 146 14 344.3 344.3 295.4 344.4 0.02 36 200 12450 -53.3 -68.3 14 15.0 -53.6 115 13 348.4 348.4 296.3 348.4 0.02 37 165 13665 -62.9 -72.9 25 10.0 -63.0 94 9 352.0 352.0 297.1 352.0 0.01 38 150 14250 -65.5 -78.5 15 13.0 -65.6 105 13 357.2 357.2 298.1 357.3 0.01 39 119 15632 -72.5 -83.5 17 11.0 -72.5 137 12 368.8 368.8 300.4 368.8 0.00 40 100 16640 -77.7 -85.7 26 8.0 -77.7 20 1 377.6 377.6 301.9 377.6 0.00 41 87 17433 -80.3 -86.3 36 6.0 -80.3 90 15 387.7 387.7 303.5 387.7 0.00 42 70 18690 -71.5 -88.5 6 17.0 -71.6 10 7 431.4 431.4 309.0 431.4 0.00 43 59 19701 -70.9 -89.9 4 19.0 -71.0 78 14 454.4 454.4 311.3 454.4 0.00 44 55 20122 -65.3 -89.3 2 24.0 -65.5 76 9 476.4 476.4 313.2 476.4 0.00 45 52 20462 -66.9 -89.9 3 23.0 -67.1 96 17 480.4 480.4 313.5 480.4 0.00 46 50 20700 -65.3 -89.3 2 24.0 -65.6 75 19 489.6 489.6 314.2 489.6 0.00 47 41 21917 -62.1 -89.1 2 27.0 -62.6 100 21 526.2 526.2 316.7 526.2 0.00 48 40 22070 -62.1 -89.1 2 27.0 -62.7 98 21 529.9 529.9 316.9 529.9 0.00 TRP 87 17433 -80.3 -86.3 36 6.0 -80.3 90 15 387.7 387.7 303.5 387.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 568.54 mb = 4899.67 m = 16074.84 ft Wetbulb zero: 625.42 mb = 4116.34 m = 13504.89 ft Precipitable water: 1.92 inches Sfc-500 mean rel hum: 62.88 % Est. max temperature: 33.51 C = 92.32 F Sfc-Lift cond lev (LCL): 946.83 mb = 602.51 m = 1976.70 ft T: 23.77 C 700-500 lapse rate: 6.13 C/km ThetaE index: 21.24 C Layer 1000.0- 730.0 mb Conv cond level (CCL): 854.49 mb = 1496.40 m = 4909.40 ft Mean mixing ratio: 16.97 g/kg Conv temperature: 33.55 C = 92.39 F Cap Strength: 1.95 C Lifted Index: -3.83 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.42 C Lifted Index @700 mb: -0.55 C Showalter Index: 1.50 C Risk: Showers probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 18.30 C K Index: 28.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 163.40 Risk: None Energy Index: -0.68 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1363.08 J/kg Max Up Vert Vel: 52.21 m/s Conv Inhibition (B-): 59.97 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 909.25 mb = 956.64 m = 3138.56 ft Lev Free Conv (LFC): 764.25 mb = 2448.37 m = 8032.60 ft Equ Level (EL): 164.25 mb = 13693.28 m = 44924.91 ft B at Equ Level: 1353.03 J/kg Max Parcel Lev (MPL): 94.25 mb = 16977.33 m = 55699.24 ft Wind level data Storm motion: 119 at 6 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 67 50 1 -0.8 -0.6 | 309 5 4.2 -3.4 1 1000 120 60 3 -2.6 -1.5 | 331 5 2.4 -4.3 2 979 305 70 5 -4.7 -1.7 | 357 4 0.3 -4.5 3 946 610 65 9 -8.2 -3.8 | 26 7 -3.2 -6.6 4 925 807 45 9 -6.4 -6.4 | 9 9 -1.4 -9.1 5 914 914 35 11 -6.3 -9.0 | 7 12 -1.4 -11.8 6 882 1219 30 13 -6.5 -11.3 | 6 14 -1.5 -14.0 7 850 1542 75 7 -6.8 -1.8 | 22 5 -1.8 -4.6 8 793 2134 80 9 -8.9 -1.6 | 42 6 -3.9 -4.3 9 765 2438 95 11 -11.0 1.0 | 73 6 -6.0 -1.8 10 738 2743 70 9 -8.5 -3.1 | 31 7 -3.5 -5.9 11 712 3048 110 11 -10.3 3.8 | 100 5 -5.4 1.0 12 700 3186 110 11 -10.3 3.8 | 100 5 -5.4 1.0 13 660 3658 100 3 -3.0 0.5 | 318 3 2.0 -2.3 14 590 4572 130 9 -6.9 5.8 | 147 4 -1.9 3.0 15 500 5910 90 3 -3.0 0.0 | 325 3 2.0 -2.8 16 488 6096 105 7 -6.8 1.8 | 62 2 -1.8 -1.0 17 469 6401 140 11 -7.1 8.4 | 159 6 -2.1 5.7 18 451 6706 155 9 -3.8 8.2 | 192 6 1.2 5.4 19 400 7620 135 21 -14.8 14.8 | 141 16 -9.9 12.1 20 400 7620 130 17 -13.0 10.9 | 135 11 -8.1 8.2 21 325 9144 140 31 -19.9 23.7 | 144 26 -15.0 21.0 22 300 9720 160 15 -5.1 14.1 | 179 11 -0.2 11.3 23 286 10058 165 13 -3.4 12.6 | 189 10 1.6 9.8 24 273 10363 195 13 3.4 12.6 | 220 13 8.3 9.8 25 262 10668 195 21 5.4 20.3 | 211 20 10.4 17.5 26 250 10973 190 17 3.0 16.7 | 210 16 7.9 14.0 27 250 10980 180 17 0.0 17.0 | 199 15 5.0 14.2 28 218 11887 110 11 -10.3 3.8 | 100 5 -5.4 1.0 29 208 12192 105 11 -10.6 2.8 | 91 6 -5.7 0.1 30 200 12450 115 13 -11.8 5.5 | 112 7 -6.8 2.7 31 180 13106 120 15 -13.0 7.5 | 120 9 -8.0 4.7 32 172 13411 130 11 -8.4 7.1 | 141 6 -3.5 4.3 33 163 13716 85 9 -9.0 -0.8 | 48 5 -4.0 -3.6 34 156 14021 95 21 -20.9 1.8 | 87 16 -16.0 -0.9 35 150 14250 105 13 -12.6 3.4 | 94 8 -7.6 0.6 36 148 14326 115 15 -13.6 6.3 | 112 9 -8.6 3.6 37 141 14630 95 11 -11.0 1.0 | 73 6 -6.0 -1.8 38 134 14935 150 11 -5.5 9.5 | 175 7 -0.5 6.8 39 127 15240 160 11 -3.8 10.3 | 189 8 1.2 7.6 40 120 15545 145 13 -7.5 10.6 | 162 8 -2.5 7.9 41 100 16640 20 1 -0.3 -0.9 | 309 6 4.6 -3.7 42 98 16764 360 1 -0.0 -1.0 | 307 6 5.0 -3.8 43 88 17374 125 9 -7.4 5.2 | 135 3 -2.4 2.4 44 87 17433 90 15 -15.0 0.0 | 75 10 -10.0 -2.8 45 83 17678 100 17 -16.7 3.0 | 91 12 -11.8 0.2 46 79 17983 130 13 -10.0 8.4 | 138 7 -5.0 5.6 47 75 18288 120 17 -14.7 8.5 | 120 11 -9.8 5.7 48 71 18593 160 17 -5.8 16.0 | 176 13 -0.9 13.2 49 70 18690 10 7 -1.2 -6.9 | 339 10 3.7 -9.7 50 68 18898 15 9 -2.3 -8.7 | 347 12 2.6 -11.5 51 64 19202 65 13 -11.8 -5.5 | 40 11 -6.8 -8.3 52 61 19507 55 19 -15.6 -10.9 | 38 17 -10.6 -13.7 53 58 19812 90 11 -11.0 0.0 | 65 7 -6.0 -2.8 54 55 20117 75 9 -8.7 -2.3 | 36 6 -3.7 -5.1 55 52 20422 100 17 -16.7 3.0 | 91 12 -11.8 0.2 56 50 20700 75 19 -18.4 -4.9 | 60 15 -13.4 -7.7 57 50 20726 45 15 -10.6 -10.6 | 23 15 -5.7 -13.4 58 47 21031 65 17 -15.4 -7.2 | 46 14 -10.5 -10.0 59 44 21336 105 21 -20.3 5.4 | 100 16 -15.3 2.7 60 39 21946 95 21 -20.9 1.8 | 87 16 -16.0 -0.9 61 36 22250 90 19 -19.0 0.0 | 79 14 -14.0 -2.8 Wind Parameters Mean winds (0-6000m): 89.2 at 7.6 knts Storm direction: 119.2 at 5.7 knts Shear (0-3000m) pos: 2.7 neg: 1.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 151.2 deg Storm rel helicity (0-3000m) pos: 34.4 neg: -12.6 tot: 21.8 m^2/s^2 ave: 7.3 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 2.5 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 887.41 Bulk Shear: 1.54 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 67 5 358 5| 7.7 0.0 7.7| 8.8 0.0 8.8 17.5 0.87| 7.8 6.8 1000 52 8 8 7| 3.9 3.5 7.3| 8.8 -6.1 2.6 2.6 0.27| 7.5 2.1 1500 48 9 9 9| 3.1 2.3 5.5| 17.6 -6.3 11.3 7.5 0.28| 8.5 2.4 2000 55 8 14 8| 2.8 1.7 4.5| 19.8 -6.3 13.6 6.8 0.32| 6.9 2.2 2500 63 9 23 7| 2.5 1.4 3.9| 24.5 -9.0 15.6 6.2 0.32| 6.5 2.0 3000 68 9 28 7| 2.7 1.2 3.8| 34.4 -12.6 21.8 7.3 0.36| 6.9 2.5 4000 76 8 33 6| 2.2 1.5 3.7| 35.0 -16.2 18.8 4.7 0.20| 6.6 1.3 5000 86 8 43 5| 2.1 1.5 3.6| 35.8 -17.3 18.5 3.7 0.18| 6.0 1.1 6000 89 8 42 4| 1.9 1.5 3.4| 37.5 -18.6 18.9 3.1 0.16| 5.7 0.9 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251018.00.gif