UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061300.upa.cvt Date: 0000Z 13 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 13 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 27.8 24.8 84 3.0 25.6 310 3 300.7 304.4 298.6 359.6 20.02 1 1000 32 27.6 25.0 86 2.6 25.7 310 3 300.8 304.5 298.8 360.6 20.33 2 925 721 23.2 21.0 87 2.2 21.6 30 25 303.0 306.2 297.5 354.0 17.17 3 850 1458 20.0 16.8 82 3.2 17.8 70 21 307.1 309.8 296.7 350.2 14.31 4 710 2990 10.8 10.2 96 0.6 10.4 42 27 313.2 315.3 296.1 347.4 11.08 5 701 3097 10.4 10.4 100 0.0 10.4 40 27 313.9 316.0 296.4 349.1 11.38 6 700 3109 10.2 10.2 100 0.0 10.2 40 27 313.8 315.9 296.3 348.6 11.24 7 642 3826 7.6 4.4 80 3.2 5.7 43 24 318.7 320.3 295.4 344.7 8.20 8 517 5584 -1.3 -2.0 95 0.7 -1.7 49 18 328.3 329.6 296.5 349.5 6.41 9 500 5850 -2.5 -4.3 87 1.8 -3.4 50 17 330.0 331.1 296.3 348.6 5.57 10 434 6960 -9.3 -9.3 100 0.0 -9.3 47 17 335.0 335.9 296.6 350.0 4.36 11 414 7325 -9.9 -13.4 76 3.5 -11.3 46 17 338.8 339.4 296.7 350.4 3.29 12 400 7590 -11.9 -14.1 84 2.2 -12.8 45 17 339.5 340.2 296.8 350.9 3.21 13 384 7902 -13.7 -16.3 81 2.6 -14.7 43 16 341.1 341.7 296.9 351.1 2.79 14 381 7962 -12.9 -19.9 56 7.0 -15.4 42 16 343.0 343.4 296.7 350.5 2.07 15 380 7982 -12.5 -18.5 61 6.0 -14.7 42 16 343.7 344.2 297.1 352.3 2.34 16 350 8604 -18.3 -20.2 85 1.9 -18.9 38 13 344.1 344.6 297.1 352.1 2.20 17 335 8930 -19.9 -23.0 76 3.1 -20.8 36 12 346.2 346.6 297.3 352.9 1.79 18 300 9740 -26.3 -29.9 72 3.6 -27.1 30 9 348.3 348.5 297.1 352.4 1.07 19 276 10336 -31.1 -33.4 80 2.3 -31.5 48 11 349.8 350.0 297.3 353.0 0.83 20 251 11002 -35.9 -41.9 54 6.0 -36.6 69 13 352.3 352.4 297.4 353.9 0.38 21 250 11030 -36.3 -42.3 54 6.0 -37.0 70 13 352.1 352.2 297.4 353.6 0.37 22 238 11369 -39.1 -42.0 74 2.9 -39.4 84 13 352.9 353.0 297.6 354.5 0.40 23 232 11544 -40.1 -48.1 42 8.0 -40.8 92 12 353.9 354.0 297.7 354.8 0.21 24 223 11813 -42.3 -46.7 62 4.4 -42.6 103 12 354.6 354.6 297.8 355.7 0.26 25 214 12090 -44.5 -52.5 41 8.0 -45.0 115 12 355.4 355.4 297.9 356.0 0.14 26 211 12184 -45.1 -49.5 61 4.4 -45.4 119 11 355.9 355.9 298.0 356.7 0.20 27 208 12280 -45.9 -56.9 28 11.0 -46.4 124 11 356.1 356.1 298.0 356.4 0.08 28 206 12344 -46.1 -52.1 51 6.0 -46.4 126 11 356.7 356.8 298.2 357.4 0.15 29 200 12540 -47.7 -55.7 39 8.0 -48.1 135 11 357.2 357.3 298.2 357.7 0.10 30 197 12639 -48.5 -61.5 21 13.0 -49.0 132 11 357.5 357.5 298.2 357.7 0.05 31 157 14089 -61.1 -69.1 34 8.0 -61.2 85 6 360.1 360.1 298.7 360.2 0.02 32 150 14370 -63.3 -69.3 44 6.0 -63.4 75 5 361.0 361.0 298.9 361.1 0.02 33 142 14704 -66.3 -70.6 55 4.3 -66.4 79 6 361.5 361.5 299.0 361.6 0.02 34 100 16750 -81.7 -86.4 45 4.7 -81.7 105 15 369.9 369.9 300.5 369.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5818.00 m Freezing level: 535.26 mb = 5326.91 m = 17476.52 ft Wetbulb zero: 545.44 mb = 5149.06 m = 16893.04 ft Precipitable water: 2.69 inches Sfc-500 mean rel hum: 88.15 % Est. max temperature: 34.04 C = 93.27 F Sfc-Lift cond lev (LCL): 960.78 mb = 385.56 m = 1264.95 ft T: 25.34 C 700-500 lapse rate: 4.63 C/km ThetaE index: 13.22 C Layer 925.0- 701.0 mb Conv cond level (CCL): 877.54 mb = 1180.09 m = 3871.64 ft Mean mixing ratio: 18.33 g/kg Conv temperature: 32.67 C = 90.81 F Cap Strength: 0.99 C Lifted Index: -1.76 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.36 C Lifted Index @700 mb: -2.12 C Showalter Index: 0.41 C Risk: Thunderstorms probable Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 19.30 C K Index: 39.30 Risk: > 80 % chance of thunderstorms Sweat Index: 260.60 Risk: None Energy Index: -0.39 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 522.27 J/kg Max Up Vert Vel: 32.32 m/s Conv Inhibition (B-): 26.64 J/kg Cap Strength: 0.99 C Lift Cond Lev (LCL): 920.43 mb = 764.21 m = 2507.22 ft Lev Free Conv (LFC): 805.43 mb = 1916.62 m = 6288.06 ft Equ Level (EL): 215.43 mb = 12045.24 m = 39518.01 ft B at Equ Level: 520.51 J/kg Max Parcel Lev (MPL): 115.43 mb = 15913.16 m = 52207.90 ft Wind level data Storm motion: 76 at 16 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 6 310 3 2.3 -1.9 | 264 18 18.0 2.0 1 1000 32 310 3 2.3 -1.9 | 264 18 18.0 2.0 2 925 721 30 25 -12.5 -21.7 | 350 18 3.2 -17.7 3 850 1458 70 21 -19.7 -7.2 | 51 5 -4.0 -3.2 4 700 3109 40 27 -17.4 -20.7 | 6 17 -1.7 -16.7 5 500 5850 50 17 -13.0 -10.9 | 339 7 2.7 -7.0 6 400 7590 45 17 -12.0 -12.0 | 336 9 3.7 -8.1 7 300 9740 30 9 -4.5 -7.8 | 289 12 11.2 -3.9 8 250 11030 70 13 -12.2 -4.4 | 278 4 3.5 -0.5 9 200 12540 135 11 -7.8 7.8 | 214 14 7.9 11.7 10 150 14370 75 5 -4.8 -1.3 | 256 11 10.9 2.6 11 100 16750 105 15 -14.5 3.9 | 189 8 1.2 7.8 Wind Parameters Mean winds (0-6000m): 45.9 at 21.6 knts Storm direction: 75.9 at 16.2 knts Shear (0-3000m) pos: 3.9 neg: 2.1 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 103.8 deg Storm rel helicity (0-3000m) pos: 181.6 neg: -19.1 tot: 162.5 m^2/s^2 ave: 54.2 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 5.6 10^-3/s Energy-Hel index: 0.59 Bulk Rich Number: 14.14 Bulk Shear: 36.94 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 ------------------------------------------------------------------------------- 500 357 10 291 17| 17.1 0.0 17.1| 95.2 0.0 95.2 190.4 0.97| 19.0 18.5 1000 29 17 324 13| 12.3 0.0 12.3|167.6 0.0 167.6 167.6 0.91| 18.9 17.2 1500 40 18 340 11| 7.8 0.0 7.8|181.6 0.0 181.6 121.1 0.86| 15.8 13.6 2000 47 19 351 9| 5.9 1.0 6.9|181.6 -4.3 177.3 88.7 0.74| 12.9 9.6 2500 49 20 358 9| 4.7 1.7 6.4|181.6 -10.3 171.3 68.5 0.65| 11.2 7.2 3000 48 21 1 10| 3.9 2.1 6.0|181.6 -19.1 162.5 54.2 0.56| 10.1 5.6 4000 46 22 2 11| 2.8 1.5 4.3|181.6 -24.6 157.0 39.3 0.50| 8.1 4.0 5000 46 22 1 12| 2.0 1.2 3.3|181.6 -29.6 152.0 30.4 0.44| 6.9 3.1 6000 46 22 359 11| 1.6 1.0 2.6|181.6 -34.7 146.9 24.5 0.39| 6.0 2.4 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250613.00.gif