UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 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 1007 70 27.4 23.5 79 3.9 24.6 135 3 300.0 303.3 297.4 353.9 18.40 1 1000 131 27.0 22.8 78 4.2 23.9 85 9 300.1 303.4 297.1 352.1 17.74 2 931 761 21.4 21.1 98 0.3 21.2 91 16 300.6 303.8 296.8 351.0 17.16 3 925 817 21.2 20.2 94 1.0 20.5 95 17 301.0 304.0 296.4 349.0 16.32 4 881 1238 18.8 17.5 92 1.3 17.9 108 19 302.7 305.4 295.6 345.4 14.43 5 871 1337 19.4 14.9 75 4.5 16.4 110 20 304.3 306.6 294.6 341.1 12.32 6 850 1547 18.2 13.9 76 4.3 15.3 105 19 305.2 307.4 294.4 340.6 11.83 7 746 2659 14.8 0.8 38 14.0 7.1 93 12 313.1 314.2 291.7 330.2 5.44 8 724 2912 12.4 3.4 54 9.0 7.2 89 11 313.2 314.5 292.9 334.3 6.76 9 700 3194 11.0 -5.0 32 16.0 3.1 85 9 314.7 315.4 290.8 326.7 3.76 10 686 3362 9.8 -12.2 20 22.0 0.5 85 9 315.2 315.6 289.5 322.3 2.18 11 682 3411 9.4 -3.6 40 13.0 2.8 89 9 315.2 316.1 291.4 329.0 4.30 12 662 3656 7.4 -0.6 57 8.0 3.1 109 11 315.7 316.7 292.6 333.3 5.54 13 632 4037 5.4 -5.6 45 11.0 0.1 131 9 317.6 318.4 291.9 330.5 3.99 14 624 4141 6.2 -24.8 9 31.0 -3.8 124 10 319.7 319.8 289.5 322.6 0.82 15 621 4181 6.2 -27.8 7 34.0 -4.1 122 10 320.1 320.3 289.5 322.4 0.63 16 569 4891 1.4 -11.6 37 13.0 -4.1 120 7 322.6 323.1 292.2 331.9 2.77 17 560 5019 1.0 -29.0 9 30.0 -7.5 120 8 323.6 323.7 290.5 325.8 0.62 18 510 5764 -4.3 -15.3 42 11.0 -8.5 104 7 325.9 326.4 292.7 333.7 2.28 19 500 5920 -5.3 -21.3 27 16.0 -10.5 100 7 326.6 326.9 292.1 331.5 1.40 20 475 6321 -8.1 -20.1 37 12.0 -12.1 96 10 327.9 328.3 292.7 333.6 1.63 21 451 6723 -9.7 -33.7 12 24.0 -15.2 108 11 330.8 330.9 292.4 332.7 0.49 22 412 7416 -13.9 -32.9 18 19.0 -18.1 92 16 334.1 334.2 293.4 336.3 0.58 23 400 7640 -15.9 -31.9 24 16.0 -19.5 85 17 334.3 334.5 293.5 336.8 0.66 24 366 8301 -22.1 -36.1 27 14.0 -24.5 92 15 334.7 334.8 293.4 336.5 0.48 25 346 8710 -25.5 -29.2 71 3.7 -26.3 95 13 335.5 335.7 294.1 339.1 0.99 26 340 8837 -26.7 -31.7 63 5.0 -27.6 91 13 335.5 335.7 293.9 338.5 0.79 27 300 9730 -31.9 -40.9 41 9.0 -33.0 80 27 340.4 340.5 294.7 341.8 0.36 28 281 10191 -34.3 -52.3 14 18.0 -35.7 67 29 343.4 343.4 295.3 343.8 0.11 29 250 11000 -40.5 -61.5 9 21.0 -41.5 50 31 345.9 345.9 295.7 346.0 0.04 30 205 12320 -52.1 -62.1 29 10.0 -52.4 53 24 347.8 347.8 296.2 348.0 0.04 31 200 12480 -52.9 -64.9 22 12.0 -53.2 55 23 349.0 349.0 296.4 349.1 0.03 32 187 12908 -56.7 -67.7 24 11.0 -56.9 50 24 349.6 349.6 296.5 349.7 0.02 33 150 14270 -66.3 -76.3 23 10.0 -66.4 80 17 355.9 355.9 297.9 355.9 0.01 34 144 14517 -67.5 -78.5 19 11.0 -67.5 70 17 358.0 358.0 298.3 358.0 0.01 35 124 15410 -71.1 -84.1 13 13.0 -71.2 47 14 367.1 367.1 300.0 367.1 0.00 36 100 16660 -78.7 -85.7 31 7.0 -78.7 115 5 375.7 375.7 301.5 375.7 0.00 37 92 17134 -79.5 -86.5 30 7.0 -79.5 119 7 383.2 383.2 302.8 383.2 0.00 38 70 18700 -75.3 -88.3 11 13.0 -75.3 65 17 423.3 423.3 308.1 423.3 0.00 39 67 18954 -74.5 -88.5 10 14.0 -74.6 53 15 430.4 430.4 308.9 430.4 0.00 40 62 19412 -68.5 -88.5 4 20.0 -68.7 118 15 453.3 453.3 311.1 453.3 0.00 41 55 20135 -66.1 -89.1 3 23.0 -66.4 32 14 474.6 474.6 313.0 474.6 0.00 42 53 20358 -67.9 -89.9 3 22.0 -68.1 50 18 475.5 475.5 313.1 475.5 0.00 43 50 20710 -66.5 -89.5 3 23.0 -66.8 85 27 486.8 486.8 314.0 486.8 0.00 44 30 23890 -56.1 -85.1 1 29.0 -57.5 95 29 591.7 591.7 320.2 591.8 0.01 45 26 24801 -53.9 -84.9 1 31.0 -55.9 95 26 622.7 622.7 321.6 622.7 0.01 46 21 26160 -56.3 -85.3 1 29.0 -58.2 78 29 654.6 654.6 322.9 654.7 0.01 47 20 26470 -54.9 -84.9 1 30.0 -57.1 90 31 668.1 668.1 323.3 668.2 0.01 48 15 28317 -52.9 -83.9 1 31.0 -56.2 97 30 732.1 732.1 325.4 732.3 0.02 49 14 28767 -48.1 -82.1 1 34.0 -53.2 96 30 762.9 762.9 326.3 763.2 0.03 50 11 30372 -43.9 -79.9 1 36.0 -51.7 90 31 832.7 832.7 328.0 833.3 0.06 TRP 100 16660 -78.7 -85.7 31 7.0 -78.7 115 5 375.7 375.7 301.5 375.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 550.57 mb = 5159.88 m = 16928.53 ft Wetbulb zero: 631.84 mb = 4038.89 m = 13250.79 ft Precipitable water: 1.71 inches Sfc-500 mean rel hum: 50.43 % Est. max temperature: 32.38 C = 90.28 F Sfc-Lift cond lev (LCL): 951.87 mb = 565.37 m = 1854.85 ft T: 23.14 C 700-500 lapse rate: 5.98 C/km ThetaE index: 23.63 C Layer 1000.0- 724.0 mb Conv cond level (CCL): 920.02 mb = 863.73 m = 2833.71 ft Mean mixing ratio: 17.16 g/kg Conv temperature: 28.63 C = 83.53 F Cap Strength: 1.54 C Lifted Index: -2.71 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.09 C Lifted Index @700 mb: 0.14 C Showalter Index: 1.24 C Risk: Showers probable Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.20 C K Index: 21.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 211.80 Risk: None Energy Index: -1.70 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 973.45 J/kg Max Up Vert Vel: 44.12 m/s Conv Inhibition (B-): 0.83 J/kg Cap Strength: 1.51 C Lift Cond Lev (LCL): 928.48 mb = 784.23 m = 2572.91 ft Lev Free Conv (LFC): 903.48 mb = 1020.54 m = 3348.20 ft Equ Level (EL): 873.48 mb = 1312.33 m = 4305.48 ft B at Equ Level: 6.41 J/kg Max Parcel Lev (MPL): 823.48 mb = 1817.08 m = 5961.46 ft Wind level data Storm motion: 134 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 1007 70 135 3 -2.1 2.1 | 313 6 4.2 -4.0 1 1000 131 85 9 -9.0 -0.8 | 21 7 -2.6 -6.9 2 980 305 75 13 -12.6 -3.4 | 33 11 -6.2 -9.5 3 947 610 80 15 -14.8 -2.6 | 44 12 -8.4 -8.7 4 925 817 95 17 -16.9 1.5 | 66 12 -10.6 -4.6 5 915 914 100 17 -16.7 3.0 | 73 11 -10.4 -3.1 6 852 1524 115 21 -19.0 8.9 | 102 13 -12.7 2.8 7 850 1547 105 19 -18.4 4.9 | 84 12 -12.0 -1.2 8 822 1829 115 19 -17.2 8.0 | 100 11 -10.9 1.9 9 793 2134 100 15 -14.8 2.6 | 67 9 -8.4 -3.5 10 700 3194 85 9 -9.0 -0.8 | 21 7 -2.6 -6.9 11 686 3353 85 9 -9.0 -0.8 | 21 7 -2.6 -6.9 12 661 3658 110 11 -10.3 3.8 | 60 5 -4.0 -2.3 13 637 3962 135 9 -6.4 6.4 | 178 0 -0.0 0.3 14 613 4267 115 11 -10.0 4.6 | 68 4 -3.6 -1.4 15 591 4572 120 5 -4.3 2.5 | 331 4 2.0 -3.6 16 548 5182 120 9 -7.8 4.5 | 42 2 -1.4 -1.6 17 500 5920 100 7 -6.9 1.2 | 6 5 -0.5 -4.9 18 489 6096 100 7 -6.9 1.2 | 6 5 -0.5 -4.9 19 470 6401 95 11 -11.0 1.0 | 42 7 -4.6 -5.1 20 434 7010 120 11 -9.5 5.5 | 79 3 -3.2 -0.6 21 417 7315 95 15 -14.9 1.3 | 61 10 -8.6 -4.8 22 400 7640 85 17 -16.9 -1.5 | 54 13 -10.6 -7.6 23 385 7925 80 19 -18.7 -3.3 | 53 16 -12.4 -9.4 24 354 8534 100 13 -12.8 2.3 | 59 8 -6.4 -3.8 25 325 9144 80 13 -12.8 -2.3 | 38 11 -6.4 -8.4 26 312 9449 90 17 -17.0 0.0 | 60 12 -10.6 -6.1 27 300 9730 80 27 -26.6 -4.7 | 62 23 -20.2 -10.8 28 299 9754 85 25 -24.9 -2.2 | 66 20 -18.5 -8.3 29 274 10363 60 31 -26.8 -15.5 | 43 30 -20.5 -21.6 30 250 11000 50 31 -23.7 -19.9 | 34 31 -17.4 -26.0 31 240 11278 40 27 -17.4 -20.7 | 22 29 -11.0 -26.8 32 200 12480 55 23 -18.8 -13.2 | 33 23 -12.5 -19.3 33 199 12497 60 25 -21.7 -12.5 | 39 24 -15.3 -18.6 34 181 13106 45 23 -16.3 -16.3 | 24 24 -9.9 -22.4 35 172 13411 50 17 -13.0 -10.9 | 21 18 -6.7 -17.0 36 156 14021 30 15 -7.5 -13.0 | 3 19 -1.1 -19.1 37 150 14270 80 17 -16.7 -3.0 | 49 14 -10.4 -9.0 38 149 14326 40 17 -10.9 -13.0 | 13 20 -4.6 -19.1 39 141 14630 90 17 -17.0 0.0 | 60 12 -10.6 -6.1 40 134 14935 95 3 -3.0 0.3 | 330 7 3.4 -5.8 41 127 15240 45 15 -10.6 -10.6 | 14 17 -4.2 -16.7 42 121 15545 50 13 -10.0 -8.4 | 14 15 -3.6 -14.4 43 115 15850 95 9 -9.0 0.8 | 26 6 -2.6 -5.3 44 100 16660 115 5 -4.5 2.1 | 335 4 1.8 -4.0 45 93 17069 120 5 -4.3 2.5 | 331 4 2.0 -3.6 46 88 17374 115 13 -11.8 5.5 | 84 5 -5.4 -0.6 47 84 17678 160 9 -3.1 8.5 | 234 4 3.3 2.4 48 79 17983 60 11 -9.5 -5.5 | 15 12 -3.2 -11.6 49 71 18593 135 1 -0.7 0.7 | 314 8 5.6 -5.4 50 70 18700 65 17 -15.4 -7.2 | 34 16 -9.1 -13.3 51 68 18898 40 13 -8.4 -10.0 | 7 16 -2.0 -16.1 52 64 19202 100 21 -20.7 3.6 | 80 15 -14.3 -2.4 53 61 19507 125 13 -10.6 7.5 | 108 5 -4.3 1.4 54 58 19812 5 9 -0.8 -9.0 | 340 16 5.6 -15.1 55 52 20422 55 19 -15.6 -10.9 | 28 19 -9.2 -17.0 56 50 20710 85 27 -26.9 -2.4 | 68 22 -20.5 -8.4 57 50 20726 50 13 -10.0 -8.4 | 14 15 -3.6 -14.4 58 47 21031 100 33 -32.5 5.7 | 89 26 -26.1 -0.4 59 45 21336 80 25 -24.6 -4.3 | 60 21 -18.3 -10.4 60 43 21641 110 29 -27.3 9.9 | 100 21 -20.9 3.8 61 39 22250 85 33 -32.9 -2.9 | 71 28 -26.5 -9.0 62 34 23165 100 25 -24.6 4.3 | 85 18 -18.3 -1.8 63 31 23774 75 29 -28.0 -7.5 | 58 26 -21.7 -13.6 64 30 23890 95 29 -28.9 2.5 | 81 23 -22.5 -3.6 65 28 24384 95 29 -28.9 2.5 | 81 23 -22.5 -3.6 66 26 24689 100 25 -24.6 4.3 | 85 18 -18.3 -1.8 67 24 25298 75 29 -28.0 -7.5 | 58 26 -21.7 -13.6 68 22 25908 90 27 -27.0 0.0 | 74 22 -20.6 -6.1 69 21 26213 75 29 -28.0 -7.5 | 58 26 -21.7 -13.6 70 20 26470 90 31 -31.0 0.0 | 76 25 -24.6 -6.1 71 17 27127 100 29 -28.6 5.0 | 87 22 -22.2 -1.1 72 11 28651 90 31 -31.0 0.0 | 76 25 -24.6 -6.1 73 9 29566 110 35 -32.9 12.0 | 102 27 -26.5 5.9 74 7 30175 120 25 -21.7 12.5 | 113 17 -15.3 6.4 Wind Parameters Mean winds (0-6000m): 103.8 at 11.7 knts Storm direction: 133.8 at 8.8 knts Shear (0-3000m) pos: 1.5 neg: 1.9 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 73.5 deg Storm rel helicity (0-3000m) pos: 63.8 neg: -35.3 tot: 28.4 m^2/s^2 ave: 9.5 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 2.1 10^-3/s Energy-Hel index: 0.39 Bulk Rich Number: 285.45 Bulk Shear: 3.41 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 79 12 32 10| 0.0 13.7 13.7| 21.0 0.0 21.0 41.9 0.83| 14.8 12.3 1000 88 14 50 10| 3.9 6.8 10.8| 44.4 0.0 44.4 44.4 0.89| 11.4 10.1 1500 97 16 66 10| 3.0 4.6 7.6| 56.9 -10.0 47.0 31.3 0.69| 10.2 7.1 2000 101 17 73 10| 2.3 2.9 5.2| 63.8 -20.2 43.6 21.8 0.52| 9.4 4.9 2500 100 16 71 10| 1.8 2.3 4.1| 63.8 -29.1 34.7 13.9 0.37| 8.3 3.1 3000 99 15 67 9| 1.5 1.9 3.4| 63.8 -35.3 28.4 9.5 0.28| 7.5 2.1 4000 100 14 63 8| 1.9 1.4 3.3| 70.6 -36.9 33.7 8.4 0.29| 7.2 2.1 5000 103 13 61 7| 1.7 1.4 3.2| 72.3 -41.2 31.1 6.2 0.19| 6.9 1.3 6000 104 12 57 6| 1.4 1.5 2.9| 72.7 -43.1 29.6 4.9 0.16| 6.1 1.0 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251017.00.gif