UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101706.upa.cvt Date: 0600Z 17 OCT 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:0600Z 17 OCT 25 Station: VTSH WMO ident: 48568 Latitude: 7.20 Longitude: 100.60 Elevation: 5.00 ------------------------------------------------------------------------------- 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 1010 5 25.8 17.8 61 8.0 20.4 280 4 298.1 300.4 293.1 335.3 12.80 1 1008 25 26.6 23.9 85 2.7 24.6 295 7 299.1 302.5 297.5 354.1 18.84 2 1000 105 25.8 23.1 85 2.7 23.9 355 18 299.0 302.2 297.0 351.7 18.07 3 952 537 22.2 22.0 99 0.2 22.1 81 10 299.5 302.8 297.0 351.5 17.75 4 939 657 21.6 20.8 95 0.8 21.1 78 11 300.1 303.2 296.4 349.0 16.69 5 925 788 21.2 19.9 92 1.3 20.3 85 14 301.0 303.9 296.2 348.0 16.01 6 850 1519 18.6 15.3 81 3.3 16.4 95 16 305.6 308.0 295.4 344.5 12.97 7 724 2883 12.6 5.6 62 7.0 8.4 116 14 313.4 314.9 293.8 338.0 7.90 8 700 3165 10.4 5.4 71 5.0 7.4 115 15 314.0 315.5 294.1 339.2 8.06 9 606 4352 2.0 1.2 94 0.8 1.5 116 22 317.5 318.9 294.2 339.5 6.91 10 601 4419 1.8 1.8 100 0.0 1.8 117 22 318.1 319.5 294.6 341.2 7.28 11 500 5890 -4.7 -4.7 100 0.0 -4.7 135 6 327.3 328.4 295.6 345.2 5.41 12 455 6624 -8.3 -8.3 100 0.0 -8.3 122 6 331.7 332.7 296.0 347.0 4.50 13 400 7610 -14.1 -14.4 98 0.3 -14.2 70 9 336.7 337.3 296.1 347.7 3.14 14 369 8214 -17.9 -17.9 100 0.0 -17.9 88 9 339.5 340.0 296.3 348.5 2.54 15 357 8458 -19.5 -22.2 79 2.7 -20.3 91 9 340.5 340.9 296.0 347.1 1.81 16 344 8731 -21.5 -23.5 84 2.0 -22.1 95 9 341.5 341.8 296.1 347.6 1.67 17 343 8753 -15.1 -23.1 50 8.0 -17.7 95 9 350.4 350.8 298.1 357.0 1.74 18 250 11020 -39.1 -43.3 64 4.2 -39.5 60 14 347.9 348.0 296.5 349.3 0.33 19 208 12254 -48.9 -58.9 30 10.0 -49.3 98 13 351.4 351.4 297.0 351.7 0.07 20 200 12510 -50.9 -58.9 38 8.0 -51.2 180 7 352.2 352.2 297.1 352.5 0.07 21 185 13012 -55.9 -61.9 47 6.0 -56.1 190 10 352.0 352.0 297.1 352.2 0.05 22 176 13327 -58.5 -60.4 79 1.9 -58.5 197 12 352.8 352.8 297.3 353.1 0.06 23 169 13580 -61.1 -64.5 64 3.4 -61.2 202 13 352.6 352.6 297.2 352.8 0.04 24 162 13842 -63.1 -63.9 90 0.8 -63.1 211 15 353.5 353.5 297.4 353.7 0.04 25 155 14112 -65.7 -66.5 90 0.8 -65.7 225 17 353.6 353.6 297.4 353.7 0.03 26 154 14151 -66.3 -68.4 75 2.1 -66.3 227 17 353.2 353.2 297.3 353.3 0.02 27 150 14310 -67.5 -71.3 58 3.8 -67.5 235 18 353.8 353.8 297.5 353.9 0.02 28 149 14350 -67.7 -71.8 56 4.1 -67.7 238 18 354.1 354.1 297.5 354.2 0.02 29 129 15202 -74.7 -75.9 83 1.2 -74.7 310 14 356.5 356.5 298.0 356.5 0.01 30 122 15524 -76.9 -79.3 68 2.4 -76.9 341 13 358.2 358.2 298.4 358.2 0.01 31 115 15860 -80.1 -80.7 91 0.6 -80.1 16 12 358.4 358.4 298.4 358.4 0.01 32 113 15959 -80.5 -80.5 100 0.0 -80.5 27 12 359.4 359.4 298.6 359.4 0.01 33 100 16640 -85.1 -85.1 100 0.0 -85.1 100 19 363.3 363.3 299.4 363.3 0.00 34 97 16808 -86.3 -86.3 100 0.0 -86.3 105 23 364.1 364.1 299.5 364.2 0.00 35 94 16981 -85.3 -85.3 100 0.0 -85.3 110 21 369.4 369.4 300.5 369.4 0.00 36 94 16981 -84.9 -84.9 100 0.0 -84.9 110 21 370.2 370.2 300.6 370.2 0.00 37 89 17287 -79.9 -81.4 78 1.5 -79.9 118 18 386.0 386.0 303.2 386.0 0.01 38 87 17416 -78.5 -79.6 84 1.1 -78.5 122 17 391.3 391.3 304.0 391.4 0.01 39 85 17549 -79.1 -79.2 98 0.1 -79.1 125 16 392.7 392.7 304.2 392.8 0.01 40 77 18116 -75.9 -78.1 71 2.2 -75.9 141 11 410.7 410.7 306.6 410.7 0.01 41 70 18670 -74.5 -77.5 63 3.0 -74.5 75 11 425.0 425.0 308.3 425.1 0.01 42 67 18924 -75.7 -77.9 71 2.2 -75.7 84 13 427.8 427.8 308.6 427.8 0.01 43 66 19011 -75.9 -79.0 61 3.1 -75.9 87 14 429.2 429.2 308.7 429.2 0.01 44 62 19379 -67.5 -73.5 42 6.0 -67.6 100 17 455.5 455.5 311.4 455.7 0.03 45 60 19576 -67.7 -74.7 36 7.0 -67.8 107 18 459.4 459.4 311.7 459.5 0.03 46 50 20670 -68.5 -73.5 48 5.0 -68.6 100 27 482.1 482.1 313.6 482.3 0.04 47 44 21433 -70.3 -76.3 41 6.0 -70.4 91 26 495.6 495.6 314.7 495.8 0.03 48 43 21572 -62.9 -72.9 25 10.0 -63.3 517.1 517.1 316.1 517.4 0.05 49 39 22176 -60.9 -68.9 34 8.0 -61.3 536.8 536.8 317.3 537.4 0.09 TRP 97 16808 -86.3 -86.3 100 0.0 -86.3 105 23 364.1 364.1 299.5 364.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 573.03 mb = 4826.10 m = 15833.45 ft Wetbulb zero: 573.40 mb = 4794.66 m = 15730.31 ft Precipitable water: 2.42 inches Sfc-500 mean rel hum: 85.79 % Est. max temperature: 32.70 C = 90.87 F Sfc-Lift cond lev (LCL): 898.62 mb = 1038.09 m = 3405.78 ft T: 20.31 C 700-500 lapse rate: 5.54 C/km ThetaE index: 16.10 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 918.55 mb = 848.45 m = 2783.59 ft Mean mixing ratio: 17.25 g/kg Conv temperature: 29.08 C = 84.35 F Cap Strength: 0.77 C Lifted Index: -1.91 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.90 C Lifted Index @700 mb: -0.28 C Showalter Index: 0.32 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 20.00 C K Index: 33.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 221.60 Risk: None Energy Index: 0.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 349.55 J/kg Max Up Vert Vel: 26.44 m/s Conv Inhibition (B-): 48.99 J/kg Cap Strength: 0.78 C Lift Cond Lev (LCL): 939.79 mb = 649.88 m = 2132.13 ft Lev Free Conv (LFC): 704.79 mb = 3107.91 m = 10196.43 ft Equ Level (EL): 344.79 mb = 8714.37 m = 28590.12 ft B at Equ Level: 329.16 J/kg Max Parcel Lev (MPL): 164.79 mb = 13736.40 m = 45066.38 ft Wind level data Storm motion: 138 at 12 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 1010 5 280 4 3.9 -0.7 | 309 15 12.0 -9.7 1 1000 105 355 18 1.6 -17.9 | 340 29 9.6 -27.0 2 977 305 100 12 -11.8 2.1 | 28 8 -3.8 -6.9 3 944 610 75 10 -9.7 -2.6 | 8 12 -1.6 -11.6 4 925 788 85 14 -13.9 -1.2 | 30 12 -5.9 -10.3 5 912 914 85 15 -14.9 -1.3 | 34 12 -6.9 -10.3 6 850 1519 95 16 -15.9 1.4 | 46 11 -7.9 -7.6 7 849 1524 95 16 -15.9 1.4 | 46 11 -7.9 -7.6 8 791 2134 100 18 -17.7 3.1 | 59 11 -9.7 -5.9 9 710 3048 120 13 -11.3 6.5 | 52 4 -3.2 -2.5 10 700 3165 115 15 -13.6 6.3 | 64 6 -5.5 -2.7 11 659 3658 105 21 -20.3 5.4 | 74 13 -12.2 -3.6 12 588 4572 120 22 -19.1 11.0 | 100 11 -11.0 2.0 13 567 4877 135 20 -14.1 14.1 | 130 8 -6.1 5.1 14 526 5486 125 13 -10.6 7.5 | 59 3 -2.6 -1.6 15 500 5890 135 6 -4.2 4.2 | 321 6 3.8 -4.8 16 487 6096 150 5 -2.5 4.3 | 310 7 5.6 -4.7 17 400 7610 70 9 -8.5 -3.1 | 2 12 -0.4 -12.1 18 399 7620 80 8 -7.9 -1.4 | 359 10 0.2 -10.4 19 325 9144 100 10 -9.8 1.7 | 14 8 -1.8 -7.3 20 300 9740 75 6 -5.8 -1.6 | 348 11 2.3 -10.6 21 263 10668 60 11 -9.5 -5.5 | 6 15 -1.5 -14.5 22 250 11020 60 14 -12.1 -7.0 | 14 17 -4.1 -16.0 23 210 12192 80 14 -13.8 -2.4 | 27 13 -5.7 -11.5 24 200 12510 180 7 0.0 7.0 | 284 8 8.1 -2.0 25 165 13716 205 14 5.9 12.7 | 255 14 14.0 3.7 26 150 14310 235 18 14.7 10.3 | 267 23 22.8 1.3 27 128 15240 315 14 9.9 -9.9 | 317 26 18.0 -18.9 28 103 16459 80 10 -9.8 -1.7 | 9 11 -1.8 -10.8 29 100 16640 100 19 -18.7 3.3 | 62 12 -10.7 -5.7 30 97 16808 105 23 -22.2 6.0 | 78 14 -14.2 -3.1 31 75 18288 145 9 -5.2 7.4 | 300 3 2.9 -1.7 32 70 18670 75 11 -10.6 -2.8 | 12 12 -2.6 -11.9 33 58 19812 115 20 -18.1 8.5 | 87 10 -10.1 -0.6 34 50 20670 100 27 -26.6 4.7 | 77 19 -18.5 -4.3 35 43 21336 90 26 -26.0 0.0 | 63 20 -17.9 -9.0 Wind Parameters Mean winds (0-6000m): 108.3 at 16.1 knts Storm direction: 138.3 at 12.1 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 176.7 neg: -9.9 tot: 166.8 m^2/s^2 ave: 55.6 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 6.0 10^-3/s Energy-Hel index: 0.38 Bulk Rich Number: 13.82 Bulk Shear: 25.29 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 53 13 7 17| 15.0 0.0 15.0|144.6 -5.6 139.0 278.0 0.54| 50.3 27.1 1000 72 13 18 14| 9.8 0.0 9.8|162.1 -9.0 153.2 153.2 0.55| 29.0 15.9 1500 80 14 26 13| 6.8 0.0 6.8|168.5 -9.0 159.5 106.4 0.56| 20.1 11.3 2000 86 15 32 12| 5.5 0.0 5.5|174.4 -9.0 165.4 82.7 0.57| 15.6 9.0 2500 90 15 38 11| 4.1 0.0 4.1|176.7 -9.0 167.8 67.1 0.56| 13.2 7.4 3000 94 15 41 11| 2.9 0.0 2.9|176.7 -9.9 166.8 55.6 0.51| 11.7 6.0 4000 99 16 49 10| 2.5 0.9 3.3|187.4 -9.9 177.5 44.4 0.50| 10.1 5.1 5000 105 17 61 10| 1.8 0.7 2.5|209.5 -11.2 198.3 39.7 0.52| 9.2 4.8 6000 108 16 61 8| 1.0 0.6 1.6|209.5 -21.8 187.7 31.3 0.35| 8.9 3.1 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20251017.06.gif