UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062612.upa.cvt Date: 1200Z 26 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 26 JUN 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 1003 6 31.6 24.6 67 7.0 26.3 145 3 304.5 308.2 299.4 363.6 19.77 1 1000 35 31.4 24.4 66 7.0 26.2 150 7 304.5 308.2 299.3 363.1 19.59 2 927 711 25.0 23.1 89 1.9 23.6 150 17 304.7 308.3 299.3 363.2 19.54 3 925 730 25.0 23.2 90 1.8 23.7 150 17 304.9 308.5 299.4 363.9 19.71 4 850 1471 20.0 19.8 99 0.2 19.9 55 5 307.1 310.3 298.6 359.4 17.35 5 832 1656 19.0 19.0 100 0.0 19.0 41 5 307.9 311.1 298.5 358.9 16.85 6 760 2430 14.4 12.9 91 1.5 13.4 343 3 311.0 313.4 296.4 349.0 12.40 7 744 2611 14.8 11.6 81 3.2 12.7 329 2 313.4 315.6 296.5 349.3 11.62 8 700 3126 12.0 8.0 76 4.0 9.5 290 1 315.8 317.6 295.7 346.0 9.67 9 682 3344 11.4 5.4 67 6.0 7.8 295 2 317.5 319.1 295.2 343.6 8.28 10 607 4308 4.8 4.4 97 0.4 4.5 320 4 320.6 322.3 296.3 348.3 8.68 11 574 4763 2.0 1.4 96 0.6 1.7 331 6 322.5 323.9 295.8 346.4 7.40 12 561 4948 1.4 -3.6 69 5.0 -1.2 336 6 323.9 324.9 294.6 341.1 5.23 13 553 5064 0.6 -0.8 90 1.4 -0.2 339 7 324.3 325.6 295.7 345.6 6.54 14 540 5255 0.2 -4.5 71 4.7 -2.2 344 7 326.0 327.0 295.0 342.8 5.08 15 533 5360 -0.7 -1.8 92 1.1 -1.3 347 7 326.2 327.4 296.0 346.9 6.31 16 518 5588 -1.5 -5.7 73 4.2 -3.6 353 8 327.9 328.8 295.3 344.0 4.83 17 512 5681 -1.5 -14.5 36 13.0 -6.8 355 8 329.0 329.5 293.7 337.3 2.43 18 501 5854 -2.5 -9.5 59 7.0 -5.7 360 9 329.8 330.5 294.9 342.4 3.72 19 500 5870 -2.7 -9.7 59 7.0 -5.9 360 9 329.7 330.5 294.8 342.2 3.66 20 496 5934 -2.5 -18.5 28 16.0 -8.4 2 9 330.8 331.1 293.6 337.1 1.79 21 488 6063 -3.3 -11.3 54 8.0 -6.8 5 9 331.3 332.0 295.0 342.6 3.31 22 476 6259 -4.3 -17.3 36 13.0 -9.2 10 9 332.4 332.9 294.3 339.7 2.07 23 468 6393 -4.9 -15.9 42 11.0 -9.2 13 10 333.3 333.8 294.7 341.6 2.37 24 466 6427 -5.3 -9.8 71 4.5 -7.4 14 10 333.2 334.0 295.9 346.6 3.90 25 461 6511 -5.7 -11.7 63 6.0 -8.3 16 10 333.8 334.4 295.6 345.5 3.39 26 458 6563 -5.9 -24.9 21 19.0 -11.8 18 10 334.1 334.4 293.9 338.2 1.11 27 455 6614 -6.3 -20.3 32 14.0 -11.2 19 10 334.3 334.6 294.4 340.2 1.67 28 454 6631 -6.7 -13.7 57 7.0 -9.6 19 10 334.0 334.6 295.3 344.1 2.93 29 452 6666 -6.7 -21.7 29 15.0 -11.8 20 10 334.4 334.7 294.3 339.7 1.49 30 449 6718 -6.9 -24.9 22 18.0 -12.5 22 10 334.8 335.0 294.0 338.9 1.13 31 441 6858 -8.3 -17.3 48 9.0 -11.6 25 10 334.7 335.2 295.0 342.6 2.23 32 407 7477 -11.7 -30.7 19 19.0 -16.5 42 11 338.1 338.2 294.5 340.8 0.73 33 403 7553 -12.1 -21.1 47 9.0 -15.1 43 11 338.5 338.9 295.5 344.9 1.76 34 400 7610 -12.3 -20.3 51 8.0 -15.0 45 11 339.0 339.4 295.7 345.9 1.90 35 392 7764 -13.7 -18.7 66 5.0 -15.4 45 11 339.1 339.6 296.0 347.1 2.23 36 379 8019 -14.7 -25.7 39 11.0 -17.9 46 11 341.1 341.4 295.7 345.7 1.24 37 371 8180 -15.3 -17.9 80 2.6 -16.3 46 10 342.4 342.9 297.0 351.5 2.52 38 366 8283 -15.9 -18.9 78 3.0 -17.0 47 10 342.9 343.4 297.0 351.4 2.35 39 365 8303 -15.9 -20.5 68 4.6 -17.4 47 10 343.2 343.6 296.8 350.7 2.05 40 331 9032 -21.1 -22.8 86 1.7 -21.6 48 10 345.8 346.2 297.2 352.6 1.85 41 300 9750 -25.9 -30.6 65 4.7 -26.9 50 9 348.9 349.1 297.2 352.7 1.00 42 250 11050 -35.7 -44.7 39 9.0 -36.7 55 9 353.0 353.1 297.5 354.2 0.29 43 247 11134 -36.1 -46.1 35 10.0 -37.1 59 9 353.6 353.7 297.6 354.6 0.25 44 245 11190 -36.7 -45.7 39 9.0 -37.6 61 9 353.5 353.6 297.6 354.6 0.26 45 200 12560 -48.7 -66.7 11 18.0 -49.2 125 9 355.7 355.7 297.8 355.8 0.02 46 192 12826 -50.9 -72.9 6 22.0 -51.3 107 8 356.3 356.3 298.0 356.3 0.01 47 185 13067 -52.7 -64.7 22 12.0 -53.0 90 8 357.2 357.2 298.2 357.3 0.03 48 183 13137 -53.3 -77.3 4 24.0 -53.7 85 8 357.3 357.3 298.2 357.4 0.01 49 151 14340 -64.7 -77.7 15 13.0 -64.8 358 5 357.9 357.9 298.3 358.0 0.01 50 150 14380 -64.9 -77.9 15 13.0 -65.0 355 5 358.3 358.3 298.4 358.3 0.01 51 124 15517 -73.3 -75.9 67 2.6 -73.3 21 18 363.1 363.1 299.3 363.1 0.01 52 105 16474 -80.1 -83.5 57 3.4 -80.1 43 30 367.8 367.8 300.2 367.8 0.00 53 100 16750 -79.5 -83.4 52 3.9 -79.5 50 33 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5835.00 m Freezing level: 538.44 mb = 5278.28 m = 17316.98 ft Wetbulb zero: 566.48 mb = 4869.34 m = 15975.32 ft Precipitable water: 2.68 inches Sfc-500 mean rel hum: 84.19 % Est. max temperature: 34.12 C = 93.41 F Sfc-Lift cond lev (LCL): 907.04 mb = 901.83 m = 2958.74 ft T: 23.84 C 700-500 lapse rate: 5.36 C/km ThetaE index: 14.88 C Layer 850.0- 744.0 mb Conv cond level (CCL): 884.28 mb = 1124.55 m = 3689.42 ft Mean mixing ratio: 19.52 g/kg Conv temperature: 33.18 C = 91.72 F Cap Strength: 0.79 C Lifted Index: -4.07 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.18 C Lifted Index @700 mb: -1.91 C Showalter Index: -2.90 C Risk: Severe thunderstorms possible Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 22.50 C K Index: 38.50 Risk: > 80 % chance of thunderstorms Sweat Index: 256.60 Risk: None Energy Index: -3.40 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1870.97 J/kg Max Up Vert Vel: 61.17 m/s Conv Inhibition (B-): 7.00 J/kg Cap Strength: 0.79 C Lift Cond Lev (LCL): 901.41 mb = 956.35 m = 3137.60 ft Lev Free Conv (LFC): 866.41 mb = 1303.39 m = 4276.18 ft Equ Level (EL): 116.41 mb = 15880.28 m = 52100.01 ft B at Equ Level: 1849.41 J/kg Wind level data Storm motion: 89 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 1003 6 145 3 -1.7 2.5 | 228 4 2.8 2.5 1 1000 35 150 7 -3.5 6.1 | 189 6 1.0 6.2 2 925 730 150 17 -8.5 14.7 | 165 15 -4.0 14.8 3 850 1471 55 5 -4.1 -2.9 | 351 3 0.4 -2.8 4 700 3126 290 1 0.9 -0.3 | 273 5 5.5 -0.3 5 500 5870 360 9 -0.0 -9.0 | 333 10 4.5 -8.9 6 400 7610 45 11 -7.8 -7.8 | 23 8 -3.3 -7.7 7 300 9750 50 9 -6.9 -5.8 | 23 6 -2.4 -5.7 8 250 11050 55 9 -7.4 -5.2 | 29 6 -2.9 -5.1 9 200 12560 125 9 -7.4 5.2 | 151 6 -2.9 5.3 10 150 14380 355 5 0.4 -5.0 | 315 7 5.0 -4.9 11 100 16750 50 33 -25.3 -21.2 | 45 30 -20.8 -21.1 Wind Parameters Mean winds (0-6000m): 58.8 at 6.0 knts Storm direction: 88.8 at 4.5 knts Shear (0-3000m) pos: 1.9 neg: 2.6 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 47.8 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -58.9 tot: -58.9 m^2/s^2 ave: -19.6 10^-3 m/s^2 rel: -0.73 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 100.58 Bulk Shear: 18.60 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 ------------------------------------------------------------------------------- 500 150 10 177 9| 11.1 0.0 11.1| 0.0 -10.9 -10.9 -21.8 -0.60| 11.3 -6.7 1000 145 13 166 11| 5.6 4.2 9.7| 0.0 -38.3 -38.3 -38.3 -0.63| 12.3 -7.8 1500 142 11 165 9| 3.7 5.2 8.9| 0.0 -50.6 -50.6 -33.8 -0.70| 12.4 -8.7 2000 134 10 161 7| 2.8 4.3 7.1| 0.0 -53.1 -53.1 -26.6 -0.71| 10.1 -7.1 2500 131 8 163 6| 2.2 3.3 5.6| 0.0 -56.3 -56.3 -22.5 -0.72| 8.6 -6.2 3000 128 7 167 5| 1.9 2.6 4.4| 0.0 -58.9 -58.9 -19.6 -0.73| 7.4 -5.4 4000 128 6 178 4| 1.1 1.9 3.0| 3.0 -59.3 -56.2 -14.1 -0.65| 6.0 -3.9 5000 109 6 156 2| 0.6 1.5 2.1| 10.4 -59.3 -48.9 -9.8 -0.54| 5.1 -2.8 6000 59 6 12 3| 0.6 1.3 1.9| 21.5 -59.3 -37.7 -6.3 -0.41| 4.7 -1.9 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250626.12.gif