UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for VT453... Searching the city database file for: VT453 ... Date:0000Z 21 OCT 25 Station: VT453 WMO ident: 48453 Latitude: 13.67 Longitude: 100.61 ------------------------------------------------------------------------------- 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 1008 16 26.2 23.5 85 2.7 24.2 290 2 298.7 302.0 297.1 352.3 18.38 1 1002 68 26.8 24.2 86 2.6 24.9 357 3 299.8 303.3 298.0 356.4 19.31 2 1000 86 26.8 24.3 86 2.5 25.0 20 3 300.0 303.5 298.1 357.1 19.47 3 925 773 23.0 17.0 69 6.0 18.9 65 20 302.8 305.3 294.8 342.2 13.29 4 869 1316 20.4 12.4 60 8.0 15.2 72 20 305.6 307.5 293.6 337.0 10.47 5 850 1507 19.0 14.0 73 5.0 15.7 75 20 306.0 308.3 294.7 341.8 11.91 6 764 2417 12.6 12.3 98 0.3 12.4 75 13 308.6 310.8 295.4 344.6 11.85 7 700 3150 9.4 8.0 91 1.4 8.5 65 13 312.9 314.7 295.0 342.8 9.67 8 571 4819 0.8 -1.7 83 2.5 -0.5 81 7 321.6 322.7 294.5 340.8 5.93 9 552 5092 0.0 -9.0 51 9.0 -4.1 83 8 323.7 324.4 293.2 335.4 3.51 10 514 5661 -3.5 -5.6 85 2.1 -4.6 92 10 326.2 327.2 294.9 342.5 4.91 11 500 5880 -4.5 -6.9 83 2.4 -5.7 95 11 327.6 328.5 295.0 342.8 4.56 12 466 6430 -6.9 -10.2 77 3.3 -8.4 93 11 331.2 332.0 295.3 344.1 3.78 13 445 6786 -9.1 -16.1 57 7.0 -11.8 97 9 332.9 333.4 294.7 341.4 2.45 14 442 6839 -9.5 -12.7 77 3.2 -10.8 97 9 333.0 333.7 295.3 344.3 3.26 15 440 6873 -9.7 -16.7 57 7.0 -12.3 98 9 333.2 333.7 294.7 341.4 2.35 16 420 7230 -12.1 -15.3 77 3.2 -13.3 101 8 334.6 335.1 295.3 344.3 2.77 17 411 7394 -12.9 -18.9 61 6.0 -15.0 103 7 335.6 336.0 295.0 343.0 2.09 18 408 7450 -13.3 -17.1 73 3.8 -14.7 103 7 335.8 336.3 295.4 344.5 2.45 19 400 7600 -14.3 -20.3 60 6.0 -16.3 105 6 336.4 336.8 295.1 343.2 1.90 20 394 7715 -14.9 -23.9 46 9.0 -17.6 101 6 337.1 337.4 294.8 342.2 1.41 21 375 8088 -17.5 -20.9 75 3.4 -18.6 106 7 338.4 338.8 295.6 345.4 1.93 22 373 8128 -17.5 -29.5 34 12.0 -20.4 107 7 339.0 339.1 294.8 342.3 0.89 23 348 8646 -20.7 -33.7 30 13.0 -23.4 113 7 341.4 341.5 295.3 343.9 0.64 24 339 8840 -22.1 -28.1 58 6.0 -23.5 116 8 342.1 342.3 295.8 346.3 1.12 25 333 8971 -22.7 -33.7 36 11.0 -24.9 118 8 343.0 343.1 295.6 345.6 0.67 26 320 9263 -24.9 -42.9 17 18.0 -27.5 120 8 343.9 343.9 295.5 345.0 0.27 27 309 9517 -26.9 -35.9 42 9.0 -28.5 120 8 344.5 344.7 295.9 346.8 0.58 28 308 9540 -27.1 -43.1 20 16.0 -29.3 120 8 344.6 344.6 295.7 345.7 0.28 29 304 9635 -27.9 -37.9 38 10.0 -29.5 120 8 344.8 344.9 295.9 346.6 0.48 30 301 9706 -28.3 -45.3 18 17.0 -30.4 120 8 345.2 345.2 295.7 346.1 0.22 31 300 9730 -28.5 -37.5 42 9.0 -29.9 120 8 345.2 345.3 296.0 347.2 0.51 32 297 9802 -29.1 -35.1 56 6.0 -30.1 120 8 345.4 345.5 296.1 347.9 0.65 33 287 10046 -31.1 -44.1 27 13.0 -32.6 120 8 345.9 346.0 296.0 347.0 0.27 34 262 10686 -36.1 -38.4 79 2.3 -36.4 120 9 347.7 347.8 296.6 349.8 0.53 35 256 10846 -37.1 -43.1 54 6.0 -37.7 123 6 348.5 348.6 296.6 349.9 0.33 36 250 11010 -38.7 -43.3 62 4.6 -39.2 125 3 348.5 348.6 296.6 349.9 0.33 37 243 11204 -40.3 -44.6 63 4.3 -40.7 120 3 349.0 349.0 296.7 350.2 0.30 38 224 11754 -44.9 -52.9 40 8.0 -45.3 106 5 350.1 350.2 296.8 350.7 0.13 39 200 12500 -51.5 -56.2 57 4.7 -51.7 100 5 351.2 351.2 297.0 351.6 0.09 40 198 12565 -52.1 -56.3 60 4.2 -52.2 101 5 351.3 351.3 297.0 351.7 0.09 41 150 14300 -66.9 -73.9 37 7.0 -67.0 110 23 354.8 354.8 297.7 354.9 0.01 42 144 14544 -69.1 -75.1 41 6.0 -69.1 115 24 355.2 355.2 297.7 355.2 0.01 43 115 15850 -79.1 -86.1 31 7.0 -79.1 128 29 360.2 360.2 298.7 360.2 0.00 44 100 16630 -85.1 -90.1 40 5.0 -85.1 120 30 363.3 363.3 299.4 363.3 0.00 45 92 17088 -86.9 -91.6 42 4.7 -86.9 110 35 368.5 368.5 300.3 368.5 0.00 46 83 17665 -77.9 -85.9 26 8.0 -77.9 103 28 397.9 397.9 304.9 397.9 0.00 47 80 17876 -79.1 -86.1 31 7.0 -79.1 100 26 399.6 399.6 305.2 399.6 0.00 48 74 18325 -74.3 -86.3 14 12.0 -74.3 94 20 418.7 418.7 307.6 418.7 0.00 49 70 18650 -73.9 -87.9 10 14.0 -74.0 85 16 426.3 426.3 308.4 426.3 0.00 50 63 19266 -71.3 -89.3 5 18.0 -71.4 85 20 445.1 445.1 310.4 445.1 0.00 51 50 20640 -67.3 -90.3 2 23.0 -67.5 95 24 484.9 484.9 313.8 484.9 0.00 52 40 22011 -61.3 -88.3 2 27.0 -61.9 80 31 531.9 531.9 317.1 531.9 0.00 53 39 22168 -61.1 -88.1 2 27.0 -61.7 80 31 536.3 536.3 317.3 536.3 0.00 54 35 22841 -62.3 -88.3 2 26.0 -62.9 80 33 550.0 550.0 318.1 550.0 0.00 55 30 23800 -60.3 -88.3 1 28.0 -61.2 90 44 580.3 580.3 319.7 580.3 0.01 56 26 24696 -58.7 -86.7 2 28.0 -59.9 90 44 609.0 609.0 321.0 609.1 0.01 57 24 25204 -54.1 -85.1 1 31.0 -56.2 93 42 636.5 636.5 322.2 636.6 0.01 TRP 92 17088 -86.9 -91.6 42 4.7 -86.9 110 35 368.5 368.5 300.3 368.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 552.00 mb = 5091.65 m = 16704.68 ft Wetbulb zero: 578.26 mb = 4715.68 m = 15471.21 ft Precipitable water: 2.26 inches Sfc-500 mean rel hum: 81.02 % Est. max temperature: 33.40 C = 92.12 F Sfc-Lift cond lev (LCL): 969.62 mb = 357.86 m = 1174.07 ft T: 25.30 C 700-500 lapse rate: 5.09 C/km ThetaE index: 20.08 C Layer 925.0- 850.0 mb Conv cond level (CCL): 840.43 mb = 1603.61 m = 5261.11 ft Mean mixing ratio: 15.95 g/kg Conv temperature: 33.88 C = 92.99 F Cap Strength: 2.40 C Lifted Index: -1.06 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.66 C Lifted Index @700 mb: -0.82 C Showalter Index: 1.57 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 18.50 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 219.00 Risk: None Energy Index: 0.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 189.16 J/kg Max Up Vert Vel: 19.45 m/s Conv Inhibition (B-): 65.05 J/kg Cap Strength: 2.40 C Lift Cond Lev (LCL): 899.84 mb = 1012.80 m = 3322.79 ft Lev Free Conv (LFC): 784.84 mb = 2187.17 m = 7175.66 ft Equ Level (EL): 354.84 mb = 8500.66 m = 27888.97 ft B at Equ Level: 188.39 J/kg Max Parcel Lev (MPL): 194.84 mb = 12665.53 m = 41553.06 ft Wind level data Storm motion: 102 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 1008 16 290 2 1.9 -0.7 | 284 11 11.0 -2.7 1 1000 86 20 3 -1.0 -2.8 | 301 9 8.1 -4.8 2 975 305 50 12 -9.2 -7.7 | 1 10 -0.1 -9.7 3 942 610 65 17 -15.4 -7.2 | 35 11 -6.3 -9.2 4 925 773 65 20 -18.1 -8.5 | 41 14 -9.0 -10.4 5 910 914 65 21 -19.0 -8.9 | 42 15 -9.9 -10.9 6 850 1507 75 20 -19.3 -5.2 | 55 12 -10.2 -7.2 7 848 1524 75 20 -19.3 -5.2 | 55 12 -10.2 -7.2 8 789 2134 80 13 -12.8 -2.3 | 41 6 -3.7 -4.2 9 708 3048 65 13 -11.8 -5.5 | 20 8 -2.7 -7.5 10 700 3150 65 13 -11.8 -5.5 | 20 8 -2.7 -7.5 11 658 3658 65 13 -11.8 -5.5 | 20 8 -2.7 -7.5 12 587 4572 85 5 -5.0 -0.4 | 301 5 4.1 -2.4 13 566 4877 80 7 -6.9 -1.2 | 326 4 2.2 -3.2 14 525 5486 90 9 -9.0 0.0 | 358 2 0.1 -2.0 15 500 5880 95 11 -11.0 1.0 | 61 2 -1.9 -1.0 16 486 6096 90 12 -12.0 0.0 | 56 4 -2.9 -2.0 17 400 7600 105 6 -5.8 1.6 | 278 3 3.3 -0.4 18 399 7620 100 6 -5.9 1.0 | 287 3 3.2 -0.9 19 325 9144 120 8 -6.9 4.0 | 227 3 2.2 2.0 20 300 9730 120 8 -6.9 4.0 | 227 3 2.2 2.0 21 262 10668 120 9 -7.8 4.5 | 207 3 1.3 2.5 22 250 11010 125 3 -2.5 1.7 | 272 7 6.6 -0.3 23 209 12192 95 6 -6.0 0.5 | 295 3 3.1 -1.5 24 200 12500 100 5 -4.9 0.9 | 285 4 4.2 -1.1 25 165 13716 125 14 -11.5 8.0 | 158 6 -2.4 6.0 26 150 14300 110 23 -21.6 7.9 | 115 14 -12.5 5.9 27 127 15240 130 29 -22.2 18.6 | 142 21 -13.1 16.7 28 103 16459 125 30 -24.6 17.2 | 135 22 -15.5 15.2 29 100 16630 120 30 -26.0 15.0 | 128 21 -16.9 13.0 30 92 17088 110 35 -32.9 12.0 | 113 26 -23.8 10.0 31 75 18288 95 21 -20.9 1.8 | 89 12 -11.8 -0.2 32 70 18650 85 16 -15.9 -1.4 | 64 8 -6.9 -3.4 33 58 19812 85 23 -22.9 -2.0 | 74 14 -13.8 -4.0 34 50 20640 95 24 -23.9 2.1 | 90 15 -14.8 0.1 35 45 21336 80 29 -28.6 -5.0 | 70 21 -19.5 -7.0 36 35 22860 80 33 -32.5 -5.7 | 72 25 -23.4 -7.7 37 30 23800 90 44 -44.0 0.0 | 87 35 -34.9 -2.0 38 26 24384 90 44 -44.0 0.0 | 87 35 -34.9 -2.0 39 19 25603 100 37 -36.4 6.4 | 99 28 -27.4 4.4 Wind Parameters Mean winds (0-6000m): 72.3 at 12.4 knts Storm direction: 102.3 at 9.3 knts Shear (0-3000m) pos: 2.8 neg: 0.6 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 96.7 deg Storm rel helicity (0-3000m) pos: 66.0 neg: -8.4 tot: 57.7 m^2/s^2 ave: 19.2 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 3.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 54.78 Bulk Shear: 3.45 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 50 9 347 8| 17.3 0.0 17.3| 43.8 0.0 43.8 87.7 0.97| 18.3 17.8 1000 60 14 20 10| 11.5 0.0 11.5| 57.3 0.0 57.3 57.3 0.88| 12.6 11.1 1500 65 16 33 11| 7.4 0.0 7.4| 66.0 0.0 66.0 44.0 0.87| 9.4 8.2 2000 68 17 37 10| 4.1 0.0 4.1| 66.0 -3.1 62.9 31.5 0.68| 8.6 5.8 2500 70 16 38 10| 3.3 0.4 3.7| 66.0 -5.8 60.2 24.1 0.59| 7.4 4.3 3000 70 15 36 9| 2.8 0.6 3.4| 66.0 -8.4 57.7 19.2 0.52| 6.5 3.4 4000 69 15 32 9| 1.8 0.5 2.2| 66.0 -11.2 54.8 13.7 0.43| 5.3 2.3 5000 70 13 26 7| 1.0 0.3 1.4| 68.1 -16.1 52.0 10.4 0.32| 5.0 1.6 6000 72 12 25 6| 1.2 0.3 1.5| 70.0 -16.1 53.8 9.0 0.35| 4.6 1.6 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20251021.00.gif