UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for VT453... Searching the city database file for: VT453 ... Date:1200Z 28 APR 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 1006 13 33.4 23.4 56 10.0 25.9 200 4 306.0 309.4 298.9 361.0 18.30 1 1001 57 30.8 23.8 66 7.0 25.6 196 5 303.9 307.4 298.7 360.0 18.86 2 1000 66 30.6 23.6 66 7.0 25.4 195 5 303.8 307.2 298.5 359.3 18.65 3 925 760 24.4 22.0 86 2.4 22.6 175 6 304.3 307.6 298.5 358.8 18.28 4 912 884 23.0 22.0 94 1.0 22.3 175 6 304.1 307.5 298.6 359.4 18.55 5 903 971 23.4 18.8 75 4.6 20.1 172 6 305.3 308.2 296.8 351.1 15.30 6 850 1498 19.6 17.1 85 2.5 17.9 145 4 306.7 309.4 296.7 350.5 14.59 7 817 1838 16.6 16.6 100 0.0 16.6 148 5 307.0 309.7 296.9 351.3 14.70 8 703 3108 10.0 5.1 72 4.9 7.1 130 10 313.2 314.7 293.7 337.6 7.86 9 700 3144 9.8 5.4 74 4.4 7.2 130 10 313.3 314.9 293.9 338.4 8.06 10 677 3421 7.6 5.7 88 1.9 6.5 138 9 313.9 315.5 294.4 340.4 8.52 11 667 3543 7.2 0.2 61 7.0 3.4 141 9 314.8 315.9 292.6 333.2 5.83 12 637 3921 5.2 -1.8 61 7.0 1.5 155 8 316.7 317.7 292.7 333.5 5.27 13 620 4142 3.8 1.3 84 2.5 2.4 163 7 317.5 318.8 294.1 339.1 6.80 14 609 4287 4.0 -4.0 56 8.0 -0.0 169 6 319.4 320.3 292.9 334.5 4.67 15 596 4463 2.8 -0.0 82 2.8 1.3 175 6 320.0 321.2 294.5 340.6 6.44 16 590 4545 2.8 -9.2 41 12.0 -2.6 178 5 320.9 321.5 292.2 331.6 3.23 17 581 4669 2.2 -13.8 29 16.0 -4.3 179 5 321.6 322.1 291.5 329.2 2.26 18 568 4852 1.2 -1.1 85 2.3 -0.0 176 4 322.5 323.7 295.0 342.7 6.23 19 558 4995 0.4 -2.6 80 3.0 -1.2 179 4 323.2 324.3 294.7 341.7 5.67 20 532 5377 -1.5 -4.7 79 3.2 -3.1 195 4 325.4 326.4 294.8 342.2 5.08 21 506 5775 -2.7 -12.7 46 10.0 -6.9 226 3 328.6 329.2 293.9 338.4 2.85 22 500 5870 -3.5 -11.5 54 8.0 -7.0 235 3 328.8 329.4 294.2 339.6 3.17 23 450 6696 -9.1 -13.7 69 4.6 -10.9 269 3 331.8 332.4 294.8 342.0 2.95 24 439 6888 -10.3 -18.3 52 8.0 -13.1 276 4 332.6 333.0 294.3 339.9 2.06 25 431 7030 -11.3 -15.2 73 3.9 -12.8 282 4 333.1 333.7 295.0 342.6 2.72 26 403 7543 -14.3 -26.3 35 12.0 -17.6 303 4 335.7 335.9 294.3 339.7 1.11 27 400 7600 -14.9 -20.9 60 6.0 -16.8 305 4 335.6 336.0 294.8 342.1 1.81 28 399 7619 -14.9 -19.9 66 5.0 -16.6 305 4 335.9 336.3 295.0 342.9 1.98 29 394 7714 -15.7 -22.7 55 7.0 -17.8 302 4 336.0 336.4 294.7 341.7 1.57 30 390 7791 -15.9 -29.9 29 14.0 -19.3 299 4 336.8 336.9 294.3 339.8 0.82 31 386 7868 -16.5 -20.7 70 4.2 -17.9 296 4 337.0 337.4 295.2 343.8 1.91 32 381 7966 -16.7 -29.7 32 13.0 -19.8 293 4 338.0 338.1 294.6 341.1 0.85 33 378 8025 -16.9 -22.9 60 6.0 -18.7 291 4 338.5 338.8 295.3 344.3 1.60 34 374 8105 -17.1 -30.1 31 13.0 -20.2 288 4 339.2 339.4 294.9 342.4 0.84 35 373 8125 -17.5 -23.5 59 6.0 -19.3 287 4 339.0 339.3 295.4 344.6 1.54 36 371 8165 -17.9 -22.8 65 4.9 -19.4 286 4 338.9 339.3 295.5 344.9 1.65 37 364 8307 -18.7 -30.7 34 12.0 -21.5 281 4 339.7 339.9 295.0 342.8 0.81 38 356 8473 -19.9 -24.9 64 5.0 -21.2 275 4 340.3 340.6 295.6 345.5 1.42 39 347 8662 -21.1 -34.1 30 13.0 -23.7 268 4 341.2 341.3 295.1 343.5 0.61 40 341 8790 -21.9 -27.9 58 6.0 -23.4 263 4 341.8 342.0 295.7 346.0 1.13 41 331 9009 -22.9 -31.9 44 9.0 -24.8 255 4 343.3 343.5 295.8 346.4 0.80 42 313 9415 -26.5 -32.5 57 6.0 -27.7 277 6 343.8 344.0 296.0 346.9 0.80 43 305 9601 -27.7 -32.3 65 4.6 -28.6 297 8 344.7 344.9 296.1 347.9 0.83 44 300 9720 -28.5 -37.5 42 9.0 -29.9 310 9 345.2 345.3 296.0 347.2 0.51 45 291 9938 -29.9 -43.9 24 14.0 -31.6 316 9 346.2 346.3 296.0 347.3 0.27 46 287 10036 -30.9 -36.9 56 6.0 -31.8 318 9 346.2 346.3 296.3 348.4 0.56 47 282 10161 -31.7 -43.7 30 12.0 -33.1 321 9 346.8 346.8 296.2 347.9 0.28 48 269 10492 -34.5 -38.1 70 3.6 -35.0 330 10 347.4 347.5 296.5 349.5 0.53 49 260 10729 -36.5 -40.4 67 3.9 -37.0 336 9 347.9 348.0 296.5 349.6 0.43 50 250 11000 -38.5 -49.5 30 11.0 -39.4 340 6 348.8 348.9 296.5 349.5 0.17 51 248 11055 -38.9 -44.9 53 6.0 -39.5 339 6 349.0 349.1 296.7 350.2 0.28 52 239 11307 -40.7 -61.7 9 21.0 -41.7 332 5 350.0 350.0 296.7 350.2 0.04 53 222 11803 -44.9 -54.9 32 10.0 -45.4 320 5 351.0 351.1 297.0 351.5 0.10 54 219 11893 -45.3 -60.3 17 15.0 -45.9 318 5 351.8 351.8 297.1 352.0 0.05 55 201 12458 -50.3 -64.3 18 14.0 -50.7 226 3 352.6 352.6 297.2 352.8 0.03 56 200 12490 -50.5 -62.5 23 12.0 -50.8 215 3 352.8 352.8 297.3 353.0 0.04 57 192 12755 -52.7 -57.7 55 5.0 -52.9 179 4 353.4 353.4 297.4 353.8 0.08 58 150 14300 -66.1 -70.2 56 4.1 -66.1 90 8 356.2 356.2 298.0 356.3 0.02 59 100 16650 -80.5 -85.5 43 5.0 -80.5 15 17 372.2 372.2 300.9 372.2 0.00 60 87 17424 -85.9 -90.2 46 4.3 -85.9 100 8 376.5 376.5 301.6 376.5 0.00 61 84 17619 -80.7 -87.7 30 7.0 -80.7 93 7 390.8 390.8 303.9 390.8 0.00 62 81 17824 -80.5 -86.5 36 6.0 -80.5 86 5 395.3 395.3 304.6 395.3 0.00 63 80 17894 -80.5 -86.5 36 6.0 -80.5 84 5 396.7 396.7 304.8 396.7 0.00 64 77 18111 -78.5 -87.5 22 9.0 -78.5 76 3 405.2 405.2 305.9 405.3 0.00 65 70 18650 -81.3 -89.3 25 8.0 -81.3 30 11 410.5 410.5 306.6 410.5 0.00 66 61 19439 -74.7 -91.7 5 17.0 -74.7 9 8 441.6 441.6 310.0 441.6 0.00 67 60 19536 -70.9 -89.9 4 19.0 -71.0 7 7 452.2 452.2 311.1 452.2 0.00 68 56 19947 -69.7 -90.7 3 21.0 -69.8 331 7 464.0 464.0 312.1 464.0 0.00 69 50 20620 -71.9 -90.9 4 19.0 -72.0 200 13 474.1 474.1 313.0 474.1 0.00 70 49 20739 -72.3 -91.3 4 19.0 -72.4 200 12 475.9 475.9 313.1 475.9 0.00 71 42 21671 -59.9 -88.9 1 29.0 -60.6 200 8 528.0 528.0 316.8 528.0 0.00 72 38 22296 -58.9 -88.9 1 30.0 -59.7 200 11 545.9 545.9 317.9 545.9 0.00 73 38 22296 -58.7 -87.7 1 29.0 -59.6 200 11 546.4 546.4 317.9 546.4 0.00 74 34 22991 -60.1 -89.1 1 29.0 -60.9 188 13 560.4 560.4 318.6 560.4 0.00 75 30 23780 -54.7 -86.7 1 32.0 -56.3 125 12 595.5 595.5 320.4 595.6 0.01 76 26 24702 -51.9 -85.9 1 34.0 -54.3 104 12 628.3 628.4 321.8 628.4 0.01 TRP 87 17424 -85.9 -90.2 46 4.3 -85.9 100 8 376.5 376.5 301.6 376.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 552.53 mb = 5075.07 m = 16650.29 ft Wetbulb zero: 609.17 mb = 4285.03 m = 14058.31 ft Precipitable water: 2.35 inches Sfc-500 mean rel hum: 75.68 % Est. max temperature: 33.90 C = 93.02 F Sfc-Lift cond lev (LCL): 871.48 mb = 1280.63 m = 4201.49 ft T: 21.17 C 700-500 lapse rate: 4.88 C/km ThetaE index: 13.63 C Layer 703.0- 700.0 mb Conv cond level (CCL): 871.22 mb = 1283.21 m = 4209.97 ft Mean mixing ratio: 18.40 g/kg Conv temperature: 33.51 C = 92.32 F Cap Strength: 1.34 C Lifted Index: -3.58 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.79 C Lifted Index @700 mb: -3.11 C Showalter Index: -0.74 C Risk: Thunderstorms probable Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.60 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 216.20 Risk: None Energy Index: -2.19 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1898.22 J/kg Max Up Vert Vel: 61.62 m/s Conv Inhibition (B-): 14.59 J/kg Cap Strength: 1.93 C Lift Cond Lev (LCL): 897.25 mb = 1026.81 m = 3368.76 ft Lev Free Conv (LFC): 852.25 mb = 1474.99 m = 4839.16 ft Equ Level (EL): 132.25 mb = 15030.01 m = 49310.46 ft B at Equ Level: 1870.22 J/kg Max Parcel Lev (MPL): 72.25 mb = 18471.17 m = 60600.21 ft Wind level data Storm motion: 188 at 5 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 13 200 4 1.4 3.8 | 318 1 0.7 -0.8 1 1000 66 195 5 1.3 4.8 | 245 1 0.6 0.3 2 974 305 185 7 0.6 7.0 | 179 2 -0.1 2.4 3 941 610 175 6 -0.5 6.0 | 141 2 -1.2 1.4 4 925 760 175 6 -0.5 6.0 | 141 2 -1.2 1.4 5 909 914 175 6 -0.5 6.0 | 141 2 -1.2 1.4 6 850 1498 145 4 -2.3 3.3 | 67 3 -3.0 -1.3 7 847 1524 145 4 -2.3 3.3 | 67 3 -3.0 -1.3 8 789 2134 150 6 -3.0 5.2 | 100 4 -3.7 0.7 9 708 3048 130 10 -7.7 6.4 | 103 9 -8.3 1.9 10 700 3144 130 10 -7.7 6.4 | 103 9 -8.3 1.9 11 657 3658 145 9 -5.2 7.4 | 116 6 -5.8 2.8 12 587 4572 180 5 0.0 5.0 | 125 1 -0.7 0.5 13 565 4877 175 4 -0.3 4.0 | 62 1 -1.0 -0.5 14 524 5486 200 4 1.4 3.8 | 318 1 0.7 -0.8 15 500 5870 235 3 2.5 1.7 | 327 3 1.8 -2.8 16 486 6096 245 3 2.7 1.3 | 328 4 2.1 -3.3 17 400 7600 305 4 3.3 -2.3 | 339 7 2.6 -6.8 18 399 7620 305 4 3.3 -2.3 | 339 7 2.6 -6.8 19 324 9144 250 4 3.8 1.4 | 316 4 3.1 -3.2 20 300 9720 310 9 6.9 -5.8 | 329 12 6.2 -10.3 21 262 10668 335 10 4.2 -9.1 | 345 14 3.6 -13.6 22 250 11000 340 6 2.1 -5.6 | 352 10 1.4 -10.2 23 209 12192 310 4 3.1 -2.6 | 341 7 2.4 -7.1 24 200 12490 215 3 1.7 2.5 | 333 2 1.1 -2.1 25 165 13716 45 10 -7.1 -7.1 | 34 14 -7.7 -11.6 26 150 14300 90 8 -8.0 0.0 | 62 10 -8.7 -4.5 27 128 15240 170 5 -0.9 4.9 | 104 2 -1.5 0.4 28 103 16459 305 5 4.1 -2.9 | 335 8 3.4 -7.4 29 100 16650 15 17 -4.4 -16.4 | 14 22 -5.1 -21.0 30 87 17424 100 8 -7.9 1.4 | 70 9 -8.5 -3.1 31 75 18288 70 2 -1.9 -0.7 | 26 6 -2.5 -5.2 32 70 18650 30 11 -5.5 -9.5 | 24 15 -6.2 -14.1 33 57 19812 360 6 -0.0 -6.0 | 4 11 -0.7 -10.5 34 50 20620 200 13 4.4 12.2 | 206 9 3.8 7.7 35 45 21336 200 7 2.4 6.6 | 220 3 1.7 2.0 36 35 22860 200 13 4.4 12.2 | 206 9 3.8 7.7 37 30 23780 125 12 -9.8 6.9 | 103 11 -10.5 2.3 38 26 24384 105 12 -11.6 3.1 | 83 12 -12.3 -1.4 39 20 25603 55 25 -20.5 -14.3 | 48 28 -21.1 -18.9 Wind Parameters Mean winds (0-6000m): 158.3 at 6.1 knts Storm direction: 188.3 at 4.6 knts Shear (0-3000m) pos: 0.3 neg: 1.4 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 145.3 deg Storm rel helicity (0-3000m) pos: 2.2 neg: -3.8 tot: -1.6 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: -0.33 Storm rel vorticity (0-3000m) horiz: 2.6 stream: -0.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1628.68 Bulk Shear: 1.17 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 ------------------------------------------------------------------------------- 500 186 6 181 2| 0.0 3.1 3.1| 0.0 -1.2 -1.2 -2.3 -0.80| 4.7 -3.8 1000 181 6 159 2| 0.0 1.5 1.5| 0.0 -1.7 -1.7 -1.7 -0.84| 2.9 -2.4 1500 175 6 133 2| 0.0 1.3 1.3| 0.0 -3.3 -3.3 -2.2 -0.85| 2.9 -2.4 2000 169 5 114 2| 0.4 1.0 1.4| 1.4 -3.3 -1.8 -0.9 -0.55| 2.6 -1.4 2500 163 6 111 2| 0.3 1.1 1.5| 2.2 -3.3 -1.0 -0.4 -0.38| 2.5 -1.0 3000 156 6 109 3| 0.3 1.4 1.7| 2.2 -3.8 -1.6 -0.5 -0.33| 2.6 -0.9 4000 151 7 110 4| 0.6 1.1 1.7| 6.9 -3.9 3.0 0.7 -0.12| 2.6 -0.3 5000 154 7 111 4| 0.7 0.9 1.6| 7.2 -4.3 2.9 0.6 -0.14| 2.6 -0.4 6000 158 6 111 3| 0.9 0.7 1.6| 7.5 -4.5 3.1 0.5 -0.14| 2.5 -0.4 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20250428.12.gif