UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 19 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 63 29.0 22.0 66 7.0 23.9 0 0 301.8 304.9 296.9 351.4 16.81 1 1000 98 29.2 22.2 66 7.0 24.1 55 3 302.4 305.5 297.3 352.9 17.09 2 925 788 24.0 18.0 69 6.0 19.8 55 13 303.8 306.5 295.7 346.0 14.18 3 858 1441 18.0 18.0 100 0.0 18.0 304.2 307.0 296.6 349.8 15.31 4 850 1521 17.4 17.4 100 0.0 17.4 40 17 304.4 307.1 296.3 348.7 14.87 5 772 2338 12.6 10.4 86 2.2 11.2 307.7 309.6 294.0 338.9 10.32 6 759 2481 12.4 7.7 73 4.7 9.5 309.0 310.6 293.2 335.6 8.72 7 749 2593 14.0 -2.0 33 16.0 5.7 311.9 312.7 290.5 325.8 4.41 8 700 3161 9.8 -2.2 43 12.0 3.6 75 15 313.3 314.2 291.2 328.0 4.65 9 686 3328 8.2 0.2 57 8.0 3.9 313.4 314.5 292.0 331.2 5.67 10 661 3633 7.4 -9.6 29 17.0 -0.2 315.8 316.4 290.2 324.9 2.79 11 601 4408 2.4 -3.6 65 6.0 -0.6 318.7 319.7 292.9 334.5 4.88 12 588 4585 1.6 -12.4 34 14.0 -4.2 319.8 320.3 291.2 328.2 2.51 13 579 4709 2.2 -20.8 16 23.0 -5.7 321.9 322.2 290.6 326.3 1.26 14 563 4935 1.6 -31.4 6 33.0 -7.4 323.8 323.9 290.5 325.6 0.49 15 500 5880 -3.9 -31.9 9 28.0 -11.1 60 13 328.3 328.4 291.7 330.2 0.53 16 422 7201 -10.5 -41.5 6 31.0 -16.5 336.2 336.2 293.6 337.1 0.24 17 400 7610 -13.7 -45.7 5 32.0 -19.0 45 9 337.2 337.2 293.8 337.8 0.16 18 381 7979 -16.3 -49.3 4 33.0 -21.0 338.5 338.5 294.0 338.9 0.11 19 351 8591 -21.3 -49.3 6 28.0 -24.8 339.8 339.8 294.4 340.3 0.12 20 341 8804 -23.3 -35.3 32 12.0 -25.5 339.9 340.0 294.8 342.0 0.56 21 337 8891 -24.3 -28.4 69 4.1 -25.2 339.7 339.9 295.2 343.7 1.09 22 335 8934 -24.5 -29.5 63 5.0 -25.6 340.0 340.2 295.2 343.7 0.99 23 333 8978 -24.7 -41.7 19 17.0 -27.2 340.3 340.3 294.7 341.4 0.30 24 331 9022 -25.1 -32.1 52 7.0 -26.5 340.3 340.5 295.1 343.3 0.78 25 327 9110 -25.9 -30.0 68 4.1 -26.8 340.4 340.6 295.3 344.0 0.97 26 323 9199 -26.5 -33.5 52 7.0 -27.8 340.8 340.9 295.1 343.4 0.70 27 319 9289 -27.3 -32.0 64 4.7 -28.2 340.9 341.0 295.3 344.0 0.82 28 316 9358 -27.5 -45.5 16 18.0 -29.7 341.5 341.6 294.9 342.3 0.21 29 305 9612 -29.5 -39.5 37 10.0 -30.9 342.2 342.3 295.2 343.8 0.41 30 300 9730 -30.3 -43.3 27 13.0 -31.9 185 15 342.7 342.7 295.2 343.8 0.28 31 282 10164 -34.5 -45.5 32 11.0 -35.6 342.8 342.8 295.2 343.7 0.23 32 276 10313 -35.5 -41.5 54 6.0 -36.2 343.4 343.5 295.5 344.9 0.36 33 270 10464 -36.7 -45.7 39 9.0 -37.5 343.9 343.9 295.4 344.8 0.24 34 264 10619 -38.1 -40.4 79 2.3 -38.4 344.0 344.1 295.7 345.7 0.43 35 250 10990 -40.1 -55.1 19 15.0 -41.0 175 27 346.4 346.5 295.9 346.8 0.09 36 248 11045 -40.1 -64.1 6 24.0 -41.1 347.2 347.3 296.0 347.4 0.03 37 229 11584 -44.1 -66.1 7 22.0 -44.9 349.2 349.2 296.5 349.3 0.02 38 209 12191 -47.7 -71.7 5 24.0 -48.3 352.8 352.8 297.3 352.8 0.01 39 200 12480 -50.1 -71.1 7 21.0 -50.5 200 38 353.4 353.4 297.4 353.5 0.01 40 162 13826 -61.1 -75.1 14 14.0 -61.2 356.9 356.9 298.1 356.9 0.01 41 150 14300 -65.3 -76.3 20 11.0 -65.4 220 40 357.6 357.6 298.2 357.6 0.01 42 131 15109 -72.5 -78.5 40 6.0 -72.5 358.8 358.8 298.5 358.9 0.01 43 105 16385 -79.7 -83.0 58 3.3 -79.7 368.6 368.6 300.3 368.6 0.00 44 100 16660 -80.9 -84.6 54 3.7 -80.9 250 15 371.4 371.4 300.8 371.4 0.00 45 89 17320 -78.1 -86.1 26 8.0 -78.1 389.6 389.6 303.8 389.6 0.00 46 82 17783 -81.1 -87.1 36 6.0 -81.1 392.7 392.7 304.2 392.7 0.00 47 72 18526 -74.5 -86.5 14 12.0 -74.6 421.6 421.6 307.9 421.6 0.00 48 70 18690 -74.7 -87.7 12 13.0 -74.7 340 19 424.6 424.6 308.2 424.6 0.00 49 61 19498 -70.5 -88.5 5 18.0 -70.6 451.0 451.0 311.0 451.0 0.00 TRP 10 -80.9 -84.7 53 3.8 -81.0 250 15 717.6 717.6 325.0 717.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 544.67 mb = 5209.62 m = 17091.73 ft Wetbulb zero: 661.96 mb = 3621.43 m = 11881.17 ft Precipitable water: 1.71 inches Sfc-500 mean rel hum: 51.92 % Est. max temperature: 31.48 C = 88.66 F Sfc-Lift cond lev (LCL): 907.32 mb = 955.49 m = 3134.76 ft T: 22.46 C 700-500 lapse rate: 5.04 C/km ThetaE index: 23.98 C Layer 850.0- 700.0 mb Conv cond level (CCL): 859.44 mb = 1426.07 m = 4678.65 ft Mean mixing ratio: 15.40 g/kg Conv temperature: 31.38 C = 88.48 F Cap Strength: 1.15 C Lifted Index: -0.58 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.37 C Lifted Index @700 mb: -0.53 C Showalter Index: -0.46 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 21.30 C K Index: 26.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 255.80 Risk: None Energy Index: -3.55 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 291.18 J/kg Max Up Vert Vel: 24.13 m/s Conv Inhibition (B-): 15.14 J/kg Cap Strength: 0.90 C Lift Cond Lev (LCL): 871.40 mb = 1306.08 m = 4284.99 ft Lev Free Conv (LFC): 846.40 mb = 1557.01 m = 5108.24 ft Equ Level (EL): 746.40 mb = 2622.19 m = 8602.88 ft B at Equ Level: 27.66 J/kg Max Parcel Lev (MPL): 166.40 mb = 13654.52 m = 44797.73 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 10 33436 250 15 14.1 5.1 1 1004 63 0 0 -0.0 -0.0 2 1000 98 55 3 -2.5 -1.7 3 977 305 80 9 -8.9 -1.6 4 944 610 70 15 -14.1 -5.1 5 925 788 55 13 -10.6 -7.5 6 912 914 50 13 -10.0 -8.4 7 850 1521 40 17 -10.9 -13.0 8 791 2134 35 21 -12.0 -17.2 9 763 2438 50 23 -17.6 -14.8 10 735 2743 65 23 -20.8 -9.7 11 700 3161 75 15 -14.5 -3.9 12 658 3658 80 13 -12.8 -2.3 13 634 3962 85 15 -14.9 -1.3 14 610 4267 75 11 -10.6 -2.8 15 588 4572 55 11 -9.0 -6.3 16 566 4877 75 17 -16.4 -4.4 17 545 5182 60 15 -13.0 -7.5 18 506 5791 65 9 -8.2 -3.8 19 500 5880 60 13 -11.3 -6.5 20 486 6096 65 15 -13.6 -6.3 21 449 6706 70 19 -17.9 -6.5 22 432 7010 55 21 -17.2 -12.0 23 416 7315 70 13 -12.2 -4.4 24 400 7610 45 9 -6.4 -6.4 25 399 7620 50 9 -6.9 -5.8 26 353 8534 50 3 -2.3 -1.9 27 300 9730 185 15 1.3 14.9 28 299 9754 180 9 0.0 9.0 29 251 10973 170 31 -5.4 30.5 30 250 10990 175 27 -2.4 26.9 31 229 11582 180 23 0.0 23.0 32 219 11887 215 23 13.2 18.8 33 200 12480 200 38 13.0 35.7 34 199 12497 195 35 9.1 33.8 35 165 13716 215 44 25.2 36.0 36 150 14300 220 40 25.7 30.6 37 121 15545 230 38 29.1 24.4 38 115 15850 215 27 15.5 22.1 39 104 16459 245 21 19.0 8.9 40 100 16660 250 15 14.1 5.1 41 98 16764 250 15 14.1 5.1 42 93 17069 230 9 6.9 5.8 43 88 17374 145 9 -5.2 7.4 44 84 17678 135 11 -7.8 7.8 45 79 17983 145 27 -15.5 22.1 46 75 18288 160 11 -3.8 10.3 47 71 18593 0 0 -0.0 -0.0 48 70 18690 340 19 6.5 -17.9 49 63 18898 340 9 3.1 -8.5 50 54 19202 350 23 4.0 -22.7 51 47 19507 90 19 -19.0 0.0 52 40 19812 115 13 -11.8 5.5 Wind Parameters Energy-Hel index: -18.20 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251019.12.gif