UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 17 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 68 28.0 23.8 78 4.2 24.9 110 1 300.6 304.1 297.8 355.8 18.76 1 1000 121 27.8 23.6 78 4.2 24.7 100 9 301.0 304.4 297.8 355.8 18.65 2 935 714 22.2 22.0 99 0.2 22.1 62 10 301.1 304.4 297.5 354.3 18.08 3 925 808 22.4 20.6 90 1.8 21.1 50 9 302.2 305.3 297.0 351.7 16.74 4 917 884 21.6 20.5 93 1.1 20.8 50 10 302.1 305.2 297.0 351.7 16.78 5 903 1018 23.0 16.0 65 7.0 18.2 59 12 304.9 307.3 295.0 343.1 12.77 6 850 1543 18.6 14.5 77 4.1 15.8 105 19 305.6 307.9 294.9 342.5 12.31 7 756 2539 12.4 8.8 79 3.6 10.2 79 10 309.3 311.1 293.9 338.2 9.45 8 700 3184 10.2 -3.8 37 14.0 3.2 105 15 313.8 314.6 290.8 326.9 4.12 9 690 3303 10.4 -9.6 23 20.0 1.4 105 15 315.3 315.8 290.0 324.0 2.67 10 685 3364 10.0 -3.0 40 13.0 3.3 105 15 315.5 316.4 291.6 329.8 4.48 11 677 3461 9.8 -11.2 21 21.0 0.7 100 14 316.3 316.8 290.0 324.2 2.40 12 656 3722 8.4 -4.6 39 13.0 1.9 90 10 317.6 318.4 292.0 331.0 4.14 13 652 3772 8.6 -14.4 18 23.0 -0.8 89 10 318.4 318.8 290.2 324.8 1.92 14 644 3874 8.0 -6.0 36 14.0 1.2 88 9 318.9 319.6 292.0 331.2 3.79 15 635 3990 7.8 -15.2 18 23.0 -1.5 87 8 319.9 320.3 290.6 326.1 1.85 16 592 4562 3.4 -10.6 35 14.0 -2.7 94 9 321.3 321.8 291.9 330.9 2.88 17 539 5316 -1.1 -29.1 10 28.0 -8.9 98 14 324.6 324.8 290.9 327.0 0.64 18 507 5801 -4.7 -17.7 35 13.0 -9.4 86 15 326.0 326.4 292.4 332.5 1.88 19 502 5879 -4.7 -31.7 10 27.0 -11.6 92 14 326.9 327.0 291.4 328.9 0.54 20 500 5910 -4.9 -21.9 25 17.0 -10.4 95 13 327.1 327.3 292.2 331.7 1.32 21 459 6579 -8.3 -25.3 24 17.0 -13.3 84 13 330.9 331.1 293.0 334.8 1.07 22 414 7371 -15.1 -25.1 42 10.0 -17.9 66 16 332.1 332.3 293.4 336.4 1.20 23 400 7630 -17.3 -22.0 67 4.7 -18.7 60 17 332.5 332.8 293.9 338.3 1.64 24 394 7743 -18.1 -21.6 74 3.5 -19.1 62 18 332.9 333.2 294.1 339.0 1.73 25 380 8013 -19.5 -21.0 88 1.5 -20.0 69 17 334.5 334.9 294.6 341.2 1.89 26 362 8373 -21.5 -24.9 74 3.4 -22.4 85 14 336.5 336.8 294.7 341.6 1.40 27 352 8579 -22.9 -31.9 44 9.0 -24.7 94 15 337.3 337.5 294.4 340.2 0.75 28 344 8747 -24.3 -33.3 43 9.0 -26.0 101 16 337.7 337.8 294.4 340.2 0.67 29 339 8854 -25.5 -28.2 78 2.7 -26.1 105 17 337.4 337.7 294.7 341.5 1.11 30 336 8918 -25.7 -33.7 47 8.0 -27.2 103 18 338.0 338.2 294.4 340.5 0.66 31 331 9027 -26.7 -29.8 75 3.1 -27.3 99 19 338.1 338.3 294.7 341.7 0.97 32 328 9092 -26.9 -32.9 57 6.0 -28.0 97 19 338.7 338.9 294.7 341.5 0.73 33 307 9566 -30.7 -33.9 73 3.2 -31.2 81 23 339.9 340.0 294.9 342.6 0.71 34 300 9730 -31.7 -36.0 66 4.3 -32.3 75 25 340.7 340.8 295.0 343.0 0.59 35 250 10990 -41.9 -50.9 37 9.0 -42.5 95 38 343.8 343.8 295.4 344.4 0.14 36 247 11072 -42.5 -51.5 37 9.0 -43.0 95 38 344.1 344.1 295.4 344.6 0.13 37 236 11378 -45.5 -53.5 40 8.0 -45.9 97 35 344.0 344.1 295.4 344.5 0.11 38 232 11492 -46.3 -56.3 31 10.0 -46.7 100 32 344.5 344.5 295.5 344.9 0.08 39 231 11521 -46.3 -64.3 11 18.0 -46.9 100 32 344.9 344.9 295.5 345.1 0.03 40 224 11726 -46.9 -65.9 10 19.0 -47.4 105 26 347.1 347.1 296.0 347.2 0.02 41 200 12470 -51.9 -67.9 13 16.0 -52.2 105 11 350.6 350.6 296.8 350.7 0.02 42 150 14270 -64.7 -77.7 15 13.0 -64.8 95 9 358.6 358.6 298.4 358.7 0.01 43 138 14774 -68.7 -80.7 16 12.0 -68.8 61 10 360.2 360.2 298.7 360.2 0.00 44 110 16110 -75.7 -84.7 23 9.0 -75.7 114 4 371.2 371.2 300.8 371.2 0.00 45 100 16660 -76.5 -86.5 19 10.0 -76.5 110 11 379.9 379.9 302.2 379.9 0.00 46 83 17731 -79.5 -87.5 25 8.0 -79.5 140 9 394.6 394.6 304.5 394.6 0.00 47 70 18710 -76.3 -88.3 13 12.0 -76.3 125 19 421.2 421.2 307.9 421.2 0.00 48 65 19142 -72.5 -89.5 6 17.0 -72.6 123 15 438.5 438.5 309.7 438.5 0.00 49 62 19424 -66.9 -88.9 3 22.0 -67.1 90 10 456.8 456.8 311.5 456.9 0.00 50 57 19931 -68.3 -89.3 3 21.0 -68.5 85 20 464.8 464.8 312.2 464.8 0.00 51 50 20730 -62.5 -89.5 1 27.0 -62.9 75 13 496.2 496.2 314.7 496.2 0.00 52 49 20855 -62.1 -89.1 2 27.0 -62.6 77 13 500.0 500.0 314.9 500.0 0.00 53 45 21379 -64.5 -90.5 2 26.0 -64.8 77 13 506.5 506.5 315.4 506.5 0.00 54 30 23890 -59.3 -88.3 1 29.0 -60.3 75 25 583.0 583.0 319.8 583.0 0.01 55 27 24555 -54.7 -86.7 1 32.0 -56.5 72 29 613.7 613.7 321.2 613.8 0.01 56 23 25584 -52.7 -85.7 1 33.0 -55.2 85 31 648.4 648.4 322.6 648.5 0.01 57 22 25869 -54.9 -85.9 1 31.0 -57.0 81 31 650.2 650.2 322.7 650.2 0.01 58 20 26480 -52.9 -85.9 1 33.0 -55.6 85 31 674.3 674.3 323.6 674.3 0.01 59 14 28814 -47.7 -83.7 1 36.0 -53.0 88 27 764.3 764.3 326.3 764.5 0.03 60 13 29302 -49.7 -84.7 1 35.0 -54.5 81 26 773.7 773.7 326.6 773.9 0.02 61 11 30410 -44.7 -82.7 1 38.0 -52.2 105 19 829.8 829.8 328.0 830.1 0.04 62 10 31050 -43.5 -82.5 1 39.0 -52.0 195 3 857.2 857.2 328.5 857.6 0.04 63 9.1 31680 -46.7 -83.7 1 37.0 -54.0 868.3 868.4 328.8 868.7 0.04 64 7.6 32887 -42.1 -83.1 0 41.0 -52.5 932.8 932.8 330.1 933.4 0.05 65 7.1 33346 -43.9 -82.9 1 39.0 -53.7 943.7 943.8 330.2 944.3 0.06 TRP 83 17731 -79.5 -87.5 25 8.0 -79.5 140 9 394.6 394.6 304.5 394.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 551.96 mb = 5131.92 m = 16836.80 ft Wetbulb zero: 653.19 mb = 3757.24 m = 12326.76 ft Precipitable water: 1.81 inches Sfc-500 mean rel hum: 51.22 % Est. max temperature: 32.92 C = 91.26 F Sfc-Lift cond lev (LCL): 946.87 mb = 602.74 m = 1977.48 ft T: 23.25 C 700-500 lapse rate: 5.54 C/km ThetaE index: 27.71 C Layer 903.0- 685.0 mb Conv cond level (CCL): 874.53 mb = 1296.03 m = 4252.00 ft Mean mixing ratio: 17.78 g/kg Conv temperature: 32.68 C = 90.82 F Cap Strength: 2.24 C Lifted Index: -3.28 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.41 C Lifted Index @700 mb: -1.42 C Showalter Index: 0.88 C Risk: Thunderstorms probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.40 C K Index: 24.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 225.00 Risk: None Energy Index: -2.04 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1490.40 J/kg Max Up Vert Vel: 54.60 m/s Conv Inhibition (B-): 26.74 J/kg Cap Strength: 1.93 C Lift Cond Lev (LCL): 924.91 mb = 808.89 m = 2653.82 ft Lev Free Conv (LFC): 839.91 mb = 1644.58 m = 5395.54 ft Equ Level (EL): 179.91 mb = 13132.52 m = 43085.17 ft B at Equ Level: 1488.82 J/kg Max Parcel Lev (MPL): 89.91 mb = 17271.72 m = 56665.07 ft Wind level data Storm motion: 121 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 68 110 1 -0.9 0.3 | 303 8 6.7 -4.3 1 1000 121 100 9 -8.9 1.6 | 22 3 -1.2 -3.1 2 979 305 85 11 -11.0 -1.0 | 31 7 -3.3 -5.6 3 946 610 75 11 -10.6 -2.8 | 22 8 -3.0 -7.5 4 925 808 50 9 -6.9 -5.8 | 356 10 0.7 -10.4 5 914 914 50 11 -8.4 -7.1 | 4 12 -0.8 -11.7 6 852 1524 105 19 -18.4 4.9 | 91 11 -10.7 0.3 7 850 1543 105 19 -18.4 4.9 | 91 11 -10.7 0.3 8 793 2134 80 9 -8.9 -1.6 | 11 6 -1.2 -6.2 9 765 2438 75 9 -8.7 -2.3 | 9 7 -1.1 -7.0 10 700 3184 105 15 -14.5 3.9 | 84 7 -6.9 -0.8 11 686 3353 105 15 -14.5 3.9 | 84 7 -6.9 -0.8 12 660 3658 90 11 -11.0 0.0 | 36 6 -3.4 -4.6 13 612 4267 85 5 -5.0 -0.4 | 332 6 2.7 -5.1 14 590 4572 95 9 -9.0 0.8 | 19 4 -1.3 -3.9 15 568 4877 95 13 -13.0 1.1 | 57 6 -5.3 -3.5 16 527 5486 100 15 -14.8 2.6 | 74 7 -7.1 -2.0 17 507 5791 85 15 -14.9 -1.3 | 51 9 -7.3 -5.9 18 500 5910 95 13 -13.0 1.1 | 57 6 -5.3 -3.5 19 488 6096 95 11 -11.0 1.0 | 42 5 -3.3 -3.7 20 400 7630 60 17 -14.7 -8.5 | 28 15 -7.1 -13.1 21 384 7925 65 19 -17.2 -8.0 | 37 16 -9.6 -12.7 22 368 8230 80 13 -12.8 -2.3 | 37 9 -5.2 -6.9 23 339 8839 105 17 -16.4 4.4 | 88 9 -8.8 -0.2 24 300 9730 75 25 -24.1 -6.5 | 56 20 -16.5 -11.1 25 299 9754 75 25 -24.1 -6.5 | 56 20 -16.5 -11.1 26 250 10990 95 38 -37.9 3.3 | 87 30 -30.2 -1.3 27 239 11278 95 38 -37.9 3.3 | 87 30 -30.2 -1.3 28 209 12192 115 13 -11.8 5.5 | 102 4 -4.1 0.9 29 200 12470 105 11 -10.6 2.8 | 59 3 -3.0 -1.8 30 181 13106 95 15 -14.9 1.3 | 65 8 -7.3 -3.3 31 172 13411 110 15 -14.1 5.1 | 94 6 -6.5 0.5 32 164 13716 100 13 -12.8 2.3 | 65 6 -5.2 -2.4 33 150 14270 95 9 -9.0 0.8 | 19 4 -1.3 -3.9 34 149 14326 110 11 -10.3 3.8 | 72 3 -2.7 -0.9 35 141 14630 60 9 -7.8 -4.5 | 1 9 -0.2 -9.1 36 127 15240 65 13 -11.8 -5.5 | 22 11 -4.1 -10.1 37 121 15545 100 11 -10.8 1.9 | 49 4 -3.2 -2.7 38 109 16154 115 3 -2.7 1.3 | 304 6 4.9 -3.4 39 100 16660 110 11 -10.3 3.8 | 72 3 -2.7 -0.9 40 98 16764 105 19 -18.4 4.9 | 91 11 -10.7 0.3 41 93 17069 110 9 -8.5 3.1 | 28 2 -0.8 -1.6 42 84 17678 345 11 2.8 -10.6 | 326 19 10.5 -15.3 43 83 17731 140 9 -5.8 6.9 | 219 3 1.9 2.3 44 79 17983 140 9 -5.8 6.9 | 219 3 1.9 2.3 45 75 18288 45 9 -6.4 -6.4 | 353 11 1.3 -11.0 46 71 18593 45 19 -13.4 -13.4 | 18 19 -5.8 -18.1 47 70 18710 125 19 -15.6 10.9 | 128 10 -7.9 6.3 48 68 18898 115 25 -22.7 10.6 | 112 16 -15.0 5.9 49 64 19202 125 13 -10.6 7.5 | 133 4 -3.0 2.8 50 61 19507 80 9 -8.9 -1.6 | 11 6 -1.2 -6.2 51 58 19812 70 21 -19.7 -7.2 | 46 17 -12.1 -11.8 52 55 20117 105 19 -18.4 4.9 | 91 11 -10.7 0.3 53 53 20422 85 19 -18.9 -1.7 | 61 13 -11.3 -6.3 54 50 20726 125 19 -15.6 10.9 | 128 10 -7.9 6.3 55 50 20730 75 13 -12.6 -3.4 | 32 9 -4.9 -8.0 56 48 21031 80 13 -12.8 -2.3 | 37 9 -5.2 -6.9 57 43 21641 75 13 -12.6 -3.4 | 32 9 -4.9 -8.0 58 39 22250 95 19 -18.9 1.7 | 75 12 -11.3 -3.0 59 37 22555 80 15 -14.8 -2.6 | 45 10 -7.1 -7.2 60 34 23165 110 21 -19.7 7.2 | 102 12 -12.1 2.5 61 31 23774 80 21 -20.7 -3.6 | 58 15 -13.0 -8.3 62 30 23890 75 25 -24.1 -6.5 | 56 20 -16.5 -11.1 63 29 24079 100 27 -26.6 4.7 | 90 19 -19.0 0.0 64 26 24689 65 29 -26.3 -12.3 | 48 25 -18.6 -16.9 65 24 25298 90 31 -31.0 0.0 | 79 24 -23.4 -4.6 66 22 25908 80 31 -30.5 -5.4 | 66 25 -22.9 -10.0 67 21 26213 100 31 -30.5 5.4 | 92 23 -22.9 0.7 68 20 26480 85 31 -30.9 -2.7 | 72 24 -23.2 -7.3 69 19 26822 85 31 -30.9 -2.7 | 72 24 -23.2 -7.3 70 17 27432 95 35 -34.9 3.1 | 87 27 -27.2 -1.6 71 16 28042 100 31 -30.5 5.4 | 92 23 -22.9 0.7 72 15 28346 75 33 -31.9 -8.5 | 61 28 -24.2 -13.2 73 14 28651 90 27 -27.0 0.0 | 77 20 -19.4 -4.6 74 11 30175 70 25 -23.5 -8.6 | 50 21 -15.9 -13.2 75 10 31050 195 3 0.8 2.9 | 282 9 8.4 -1.7 Wind Parameters Mean winds (0-6000m): 91.3 at 11.9 knts Storm direction: 121.3 at 8.9 knts Shear (0-3000m) pos: 3.0 neg: 2.1 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 128.5 deg Storm rel helicity (0-3000m) pos: 67.7 neg: -31.3 tot: 36.4 m^2/s^2 ave: 12.1 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 3.1 10^-3/s Energy-Hel index: 0.52 Bulk Rich Number: 2364.60 Bulk Shear: 0.63 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 86 10 23 6| 0.0 10.5 10.5| 8.9 -1.8 7.1 14.3 0.60| 14.1 8.4 1000 72 10 16 8| 0.0 6.4 6.4| 21.3 -10.1 11.2 11.2 0.38| 11.9 4.5 1500 82 12 35 8| 4.1 4.2 8.4| 55.6 -10.1 45.5 30.3 0.60| 12.2 7.3 2000 86 13 43 8| 3.1 3.1 6.2| 55.6 -28.8 26.7 13.4 0.27| 11.8 3.1 2500 85 12 38 7| 2.5 2.6 5.0| 57.8 -31.3 26.5 10.6 0.25| 10.0 2.5 3000 87 12 40 7| 3.0 2.1 5.2| 67.7 -31.3 36.4 12.1 0.33| 9.4 3.1 4000 90 12 43 6| 2.3 2.0 4.3| 70.3 -44.9 25.4 6.4 0.16| 8.4 1.3 5000 90 11 40 6| 2.4 1.6 4.0| 80.3 -47.5 32.9 6.6 0.21| 7.9 1.7 6000 91 12 44 6| 2.0 1.5 3.5| 83.6 -55.7 27.9 4.7 0.16| 7.4 1.2 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251017.12.gif