UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 7 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 64 29.0 22.0 66 7.0 23.9 105 1 301.6 304.7 296.8 351.1 16.77 1 1000 117 29.0 21.0 62 8.0 23.2 90 5 302.1 305.1 296.4 348.9 15.85 2 925 807 23.0 20.9 88 2.1 21.5 100 15 302.8 306.0 297.4 353.4 17.06 3 915 902 22.2 20.5 90 1.7 21.0 91 11 302.9 306.1 297.3 352.8 16.82 4 889 1153 20.6 19.7 95 0.9 20.0 67 9 303.8 306.8 297.3 352.8 16.47 5 850 1542 18.8 17.6 93 1.2 17.9 55 19 305.8 308.6 296.8 351.0 15.07 6 777 2307 14.0 8.0 67 6.0 10.3 68 28 308.6 310.3 293.1 335.2 8.70 7 770 2384 15.0 0.0 36 15.0 6.9 69 29 310.5 311.5 290.6 326.0 4.97 8 765 2439 15.0 -2.0 31 17.0 6.2 70 29 311.1 311.9 290.2 324.7 4.32 9 756 2539 14.6 -6.4 23 21.0 4.5 72 26 311.7 312.3 289.3 321.7 3.13 10 700 3188 12.2 -4.8 30 17.0 3.7 60 15 316.0 316.7 291.2 328.3 3.82 11 692 3284 11.2 -1.8 40 13.0 4.3 63 14 315.9 316.9 292.1 331.4 4.85 12 642 3907 8.6 -19.4 12 28.0 -1.8 104 15 319.8 320.1 290.0 324.2 1.28 13 630 4063 7.2 -5.8 39 13.0 0.8 109 16 320.0 320.7 292.4 332.8 3.94 14 588 4626 2.2 -6.8 51 9.0 -2.1 104 23 320.5 321.3 292.6 333.3 3.91 15 574 4820 0.4 -8.6 51 9.0 -3.7 101 21 320.6 321.3 292.3 332.1 3.48 16 568 4904 0.6 -19.4 21 20.0 -6.4 100 20 321.8 322.1 290.8 326.8 1.45 17 562 4990 0.6 -26.4 11 27.0 -7.5 98 20 322.8 323.0 290.5 325.6 0.79 18 532 5428 -1.7 -31.7 8 30.0 -9.5 91 16 325.1 325.2 290.9 327.0 0.51 19 517 5656 -2.9 -30.9 9 28.0 -10.3 101 13 326.4 326.5 291.3 328.4 0.56 20 500 5920 -4.9 -32.9 9 28.0 -11.8 105 11 327.1 327.2 291.4 328.8 0.48 21 447 6788 -11.7 -25.7 30 14.0 -15.6 109 12 329.2 329.4 292.5 332.9 1.05 22 400 7630 -16.3 -40.3 11 24.0 -20.5 70 1 333.8 333.9 293.0 334.9 0.28 23 386 7897 -18.7 -42.7 10 24.0 -22.4 128 1 334.1 334.1 293.0 335.0 0.23 24 370 8212 -19.1 -52.1 4 33.0 -23.1 203 12 337.6 337.6 293.8 338.0 0.08 25 355 8518 -20.9 -43.9 11 23.0 -24.3 210 17 339.2 339.3 294.3 340.1 0.22 26 300 9740 -29.7 -56.7 5 27.0 -31.9 230 19 343.5 343.5 295.2 343.8 0.06 27 275 10352 -33.9 -64.9 3 31.0 -35.6 225 18 346.1 346.1 295.8 346.2 0.02 28 250 11010 -39.1 -67.1 4 28.0 -40.3 240 11 347.9 347.9 296.2 348.0 0.02 29 243 11205 -40.7 -66.7 4 26.0 -41.7 242 14 348.4 348.4 296.3 348.5 0.02 30 209 12219 -46.9 -69.9 6 23.0 -47.5 234 29 354.0 354.0 297.5 354.1 0.01 31 200 12510 -49.7 -70.7 7 21.0 -50.2 220 38 354.1 354.1 297.5 354.1 0.01 32 150 14320 -65.5 -78.5 15 13.0 -65.6 200 36 357.2 357.2 298.1 357.3 0.01 33 136 14908 -70.7 -81.7 18 11.0 -70.8 200 35 358.2 358.2 298.4 358.2 0.00 34 105 16408 -79.9 -87.9 25 8.0 -79.9 155 30 368.2 368.2 300.2 368.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 554.17 mb = 5104.09 m = 16745.50 ft Wetbulb zero: 656.74 mb = 3718.71 m = 12200.33 ft Precipitable water: 1.69 inches Sfc-500 mean rel hum: 47.34 % Est. max temperature: 32.89 C = 91.21 F Sfc-Lift cond lev (LCL): 909.13 mb = 958.24 m = 3143.79 ft T: 21.84 C 700-500 lapse rate: 6.26 C/km ThetaE index: 31.67 C Layer 915.0- 700.0 mb Conv cond level (CCL): 859.14 mb = 1449.34 m = 4754.99 ft Mean mixing ratio: 16.52 g/kg Conv temperature: 32.73 C = 90.91 F Cap Strength: 1.22 C Lifted Index: -2.46 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.12 C Lifted Index @700 mb: 1.22 C Showalter Index: -2.28 C Risk: Severe thunderstorms possible Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 22.50 C K Index: 24.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 260.20 Risk: None Energy Index: -4.23 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 681.06 J/kg Max Up Vert Vel: 36.91 m/s Conv Inhibition (B-): 21.76 J/kg Cap Strength: 1.19 C Lift Cond Lev (LCL): 894.47 mb = 1099.92 m = 3608.62 ft Lev Free Conv (LFC): 809.47 mb = 1958.33 m = 6424.88 ft Equ Level (EL): 769.47 mb = 2389.62 m = 7839.86 ft B at Equ Level: 8.00 J/kg Max Parcel Lev (MPL): 739.47 mb = 2725.62 m = 8942.23 ft Wind level data Storm motion: 113 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 1006 64 105 1 -1.0 0.3 | 294 12 10.7 -4.7 1 1000 117 90 5 -5.0 0.0 | 307 8 6.7 -5.0 2 979 305 95 9 -9.0 0.8 | 327 5 2.7 -4.2 3 946 610 100 13 -12.8 2.3 | 22 3 -1.1 -2.7 4 925 807 100 15 -14.8 2.6 | 52 4 -3.1 -2.4 5 914 914 90 11 -11.0 0.0 | 352 5 0.7 -5.0 6 882 1219 60 9 -7.8 -4.5 | 338 10 3.9 -9.5 7 850 1542 55 19 -15.6 -10.9 | 14 16 -3.9 -15.9 8 793 2134 65 27 -24.5 -11.4 | 38 21 -12.8 -16.4 9 765 2438 70 29 -27.3 -9.9 | 46 22 -15.6 -14.9 10 738 2743 75 21 -20.3 -5.4 | 40 14 -8.6 -10.4 11 712 3048 55 17 -13.9 -9.8 | 9 15 -2.3 -14.8 12 700 3188 60 15 -13.0 -7.5 | 6 13 -1.3 -12.5 13 686 3353 65 13 -11.8 -5.5 | 1 10 -0.1 -10.5 14 661 3658 85 15 -14.9 -1.3 | 27 7 -3.3 -6.3 15 636 3962 110 15 -14.1 5.1 | 93 2 -2.4 0.1 16 590 4572 105 23 -22.2 6.0 | 95 11 -10.5 1.0 17 527 5486 90 15 -15.0 0.0 | 34 6 -3.3 -5.0 18 508 5791 110 11 -10.3 3.8 | 313 2 1.3 -1.2 19 500 5920 105 11 -10.6 2.8 | 334 2 1.0 -2.2 20 489 6096 95 11 -11.0 1.0 | 350 4 0.7 -4.0 21 451 6706 115 13 -11.8 5.5 | 168 1 -0.1 0.5 22 434 7010 90 9 -9.0 0.0 | 332 6 2.7 -5.0 23 400 7630 70 1 -0.9 -0.3 | 296 12 10.7 -5.3 24 384 7925 135 1 -0.7 0.7 | 291 12 11.0 -4.3 25 369 8230 210 13 6.5 11.3 | 251 19 18.2 6.3 26 354 8534 210 17 8.5 14.7 | 244 22 20.2 9.7 27 339 8839 235 21 17.2 12.0 | 256 30 28.9 7.0 28 325 9144 250 21 19.7 7.2 | 266 31 31.4 2.2 29 300 9740 230 19 14.6 12.2 | 255 27 26.2 7.2 30 287 10058 230 21 16.1 13.5 | 253 29 27.8 8.5 31 263 10668 220 15 9.6 11.5 | 253 22 21.3 6.5 32 251 10973 240 11 9.5 5.5 | 269 21 21.2 0.5 33 250 11010 240 11 9.5 5.5 | 269 21 21.2 0.5 34 219 11887 250 25 23.5 8.6 | 264 35 35.2 3.6 35 200 12497 220 33 21.2 25.3 | 238 39 32.9 20.3 36 200 12510 220 38 24.4 29.1 | 236 43 36.1 24.1 37 182 13106 215 42 24.1 34.4 | 231 46 35.8 29.4 38 173 13411 205 46 19.4 41.7 | 220 48 31.1 36.7 39 165 13716 190 44 7.6 43.3 | 207 43 19.3 38.3 40 150 14320 200 36 12.3 33.8 | 220 38 24.0 28.8 41 135 14935 200 35 12.0 32.9 | 220 37 23.6 27.9 42 116 15850 155 44 -18.6 39.9 | 169 36 -6.9 34.9 43 100 16764 155 23 -9.7 20.8 | 187 16 2.0 15.8 Wind Parameters Mean winds (0-6000m): 83.2 at 16.9 knts Storm direction: 113.2 at 12.7 knts Shear (0-3000m) pos: 1.6 neg: 2.3 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 74.6 deg Storm rel helicity (0-3000m) pos: 92.4 neg: -44.5 tot: 47.9 m^2/s^2 ave: 16.0 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 2.1 10^-3/s Energy-Hel index: 0.30 Bulk Rich Number: 65.72 Bulk Shear: 10.36 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 96 8 322 5| 0.0 11.7 11.7| 12.4 0.0 12.4 24.8 0.64| 12.0 7.7 1000 95 11 344 4| 0.0 4.7 4.7| 14.1 -6.0 8.1 8.1 0.22| 10.7 2.3 1500 82 11 356 7| 0.0 6.4 6.4| 39.1 -7.6 31.5 21.0 0.34| 11.4 3.9 2000 73 14 12 9| 1.9 4.8 6.7| 70.9 -7.6 63.3 31.6 0.44| 10.5 4.6 2500 71 17 23 11| 1.9 3.8 5.7| 92.4 -9.9 82.5 33.0 0.45| 9.8 4.4 3000 71 18 24 12| 1.6 2.3 3.9| 92.4 -44.5 47.9 16.0 0.20| 10.3 2.1 4000 73 17 24 11| 2.6 1.7 4.4|106.3 -49.4 56.9 14.2 0.25| 10.0 2.5 5000 80 18 35 10| 2.1 1.8 3.9|106.4 -59.5 47.0 9.4 0.17| 9.2 1.5 6000 83 17 36 9| 1.7 1.5 3.1|107.2 -68.2 39.0 6.5 0.09| 8.7 0.8 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251007.12.gif