UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060612.upa.cvt Date: 1200Z 6 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 6 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 25.6 71 6.0 27.0 120 3 304.5 308.4 300.1 367.4 21.03 1 1000 32 31.6 25.6 71 6.0 27.0 115 5 304.8 308.7 300.2 368.0 21.09 2 925 729 25.4 23.8 91 1.6 24.2 130 11 305.3 309.1 299.9 366.7 20.46 3 920 777 24.8 23.6 93 1.2 23.9 134 10 305.1 308.9 299.8 366.1 20.32 4 912 854 25.2 22.8 87 2.4 23.5 141 9 306.3 310.0 299.7 365.1 19.51 5 850 1473 22.2 18.6 80 3.6 19.6 195 1 309.4 312.4 298.4 358.3 16.07 6 700 3138 13.0 9.5 79 3.5 10.7 240 5 316.9 318.9 296.7 350.5 10.72 7 692 3235 12.2 9.7 85 2.5 10.6 240 5 317.0 319.2 297.0 351.5 10.99 8 643 3849 10.2 3.2 62 7.0 6.1 237 6 321.5 323.0 295.7 345.7 7.52 9 568 4871 3.4 -1.5 70 4.9 0.7 234 6 325.1 326.3 295.5 344.9 6.05 10 523 5539 0.8 -5.2 64 6.0 -2.3 231 7 329.7 330.7 295.8 346.5 4.97 11 521 5570 0.4 -3.5 75 3.9 -1.7 231 7 329.6 330.8 296.3 348.6 5.68 12 500 5900 -1.7 -8.7 59 7.0 -5.0 230 7 331.0 331.8 295.4 344.5 3.97 13 416 7339 -9.7 -30.7 16 21.0 -15.2 123 4 338.6 338.7 294.6 341.3 0.71 14 400 7640 -12.1 -26.1 30 14.0 -16.2 100 3 339.3 339.5 295.1 343.5 1.14 15 395 7736 -12.7 -26.7 30 14.0 -16.7 102 4 339.7 339.9 295.2 343.8 1.09 16 387 7892 -13.9 -16.6 80 2.7 -14.9 104 4 340.1 340.7 296.6 349.8 2.70 17 386 7912 -13.9 -15.6 87 1.7 -14.6 104 4 340.4 341.0 296.8 350.9 2.94 18 374 8151 -15.3 -17.0 87 1.7 -15.9 108 6 341.6 342.2 296.9 351.3 2.70 19 366 8315 -15.5 -23.5 50 8.0 -18.0 111 7 343.5 343.8 296.5 349.3 1.57 20 350 8651 -17.5 -30.5 31 13.0 -20.7 116 9 345.2 345.4 296.3 348.5 0.86 21 343 8802 -18.3 -33.3 26 15.0 -21.7 119 9 346.1 346.2 296.4 348.7 0.67 22 322 9272 -21.5 -38.5 20 17.0 -24.6 126 12 348.0 348.1 296.5 349.7 0.43 23 300 9790 -25.3 -42.3 19 17.0 -27.9 135 15 349.7 349.8 296.8 351.0 0.31 24 292 9985 -26.7 -43.7 18 17.0 -29.1 134 14 350.5 350.5 297.0 351.6 0.27 25 250 11080 -35.9 -52.9 16 17.0 -37.2 125 11 352.7 352.7 297.3 353.2 0.11 26 243 11277 -37.5 -56.5 12 19.0 -38.8 124 11 353.2 353.2 297.4 353.5 0.08 27 230 11654 -40.9 -57.9 14 17.0 -41.8 121 10 353.6 353.6 297.5 353.9 0.07 28 226 11773 -41.7 -47.7 52 6.0 -42.2 120 10 354.1 354.2 297.7 355.1 0.23 29 219 11986 -43.9 -48.0 64 4.1 -44.2 119 10 354.0 354.0 297.7 354.9 0.23 30 205 12427 -47.3 -52.3 56 5.0 -47.6 116 9 355.4 355.4 297.9 356.0 0.15 31 201 12557 -48.1 -61.1 21 13.0 -48.6 115 9 356.1 356.1 298.0 356.3 0.05 32 200 12590 -48.5 -59.5 27 11.0 -48.9 115 9 356.0 356.0 298.0 356.2 0.06 33 176 13418 -55.7 -61.7 47 6.0 -55.9 115 19 357.4 357.4 298.2 357.6 0.05 34 172 13565 -56.5 -68.5 21 12.0 -56.7 115 21 358.4 358.4 298.4 358.5 0.02 35 150 14420 -63.3 -67.7 55 4.4 -63.4 115 31 361.0 361.0 299.0 361.2 0.03 36 134 15103 -69.3 -74.3 48 5.0 -69.4 109 32 362.2 362.2 299.1 362.3 0.01 37 118 15852 -74.3 -81.3 33 7.0 -74.3 103 34 366.4 366.4 299.9 366.4 0.00 38 100 16800 -80.5 -84.7 49 4.2 -80.5 95 36 372.2 372.2 300.9 372.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5868.00 m Freezing level: 517.00 mb = 5633.10 m = 18481.06 ft Wetbulb zero: 557.11 mb = 5027.84 m = 16495.34 ft Precipitable water: 2.65 inches Sfc-500 mean rel hum: 74.98 % Est. max temperature: 36.36 C = 97.45 F Sfc-Lift cond lev (LCL): 920.30 mb = 774.04 m = 2539.49 ft T: 24.84 C 700-500 lapse rate: 5.32 C/km ThetaE index: 17.47 C Layer 925.0- 692.0 mb Conv cond level (CCL): 859.93 mb = 1370.89 m = 4497.62 ft Mean mixing ratio: 20.55 g/kg Conv temperature: 36.00 C = 96.81 F Cap Strength: 1.33 C Lifted Index: -4.12 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.28 C Lifted Index @700 mb: -1.79 C Showalter Index: -1.54 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 20.30 C K Index: 39.00 Risk: > 80 % chance of thunderstorms Sweat Index: 232.20 Risk: None Energy Index: -2.67 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2278.44 J/kg Max Up Vert Vel: 67.50 m/s Conv Inhibition (B-): 28.93 J/kg Cap Strength: 1.33 C Lift Cond Lev (LCL): 906.30 mb = 909.18 m = 2982.85 ft Lev Free Conv (LFC): 801.30 mb = 1978.99 m = 6492.66 ft Equ Level (EL): 111.30 mb = 16186.80 m = 53105.66 ft B at Equ Level: 2258.01 J/kg Wind level data Storm motion: 239 at 4 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 6 120 3 -2.6 1.5 | 85 6 -6.1 -0.6 1 1000 32 115 5 -4.5 2.1 | 90 8 -8.0 0.0 2 925 729 130 11 -8.4 7.1 | 113 13 -11.9 5.0 3 850 1473 195 1 0.3 1.0 | 71 3 -3.2 -1.1 4 700 3138 240 5 4.3 2.5 | 243 1 0.8 0.4 5 500 5900 230 7 5.4 4.5 | 218 3 1.9 2.4 6 400 7640 100 3 -3.0 0.5 | 76 7 -6.4 -1.6 7 300 9790 135 15 -10.6 10.6 | 121 16 -14.1 8.5 8 250 11080 125 11 -9.0 6.3 | 109 13 -12.5 4.2 9 200 12590 115 9 -8.2 3.8 | 98 12 -11.6 1.7 10 150 14420 115 31 -28.1 13.1 | 109 33 -31.6 11.0 11 100 16800 95 36 -35.9 3.1 | 92 39 -39.3 1.1 Wind Parameters Mean winds (0-6000m): 209.3 at 5.4 knts Storm direction: 239.3 at 4.1 knts Shear (0-3000m) pos: 1.1 neg: 0.0 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 134.2 deg Storm rel helicity (0-3000m) pos: 19.8 neg: -3.4 tot: 16.4 m^2/s^2 ave: 5.5 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 1.1 10^-3/s Energy-Hel index: 0.27 Bulk Rich Number: 233.72 Bulk Shear: 9.75 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 ------------------------------------------------------------------------------- 500 121 7 99 9| 6.3 0.0 6.3| 8.0 0.0 8.0 16.0 0.53| 6.5 3.4 1000 130 8 108 10| 2.6 0.0 2.6| 18.4 0.0 18.4 18.4 0.51| 6.9 3.5 1500 129 7 104 9| 1.0 0.0 1.0| 18.5 -3.4 15.2 10.1 0.17| 7.0 1.2 2000 134 6 103 8| 1.0 0.0 1.0| 19.2 -3.4 15.8 7.9 0.20| 5.6 1.1 2500 142 5 106 7| 1.0 0.0 1.0| 19.5 -3.4 16.1 6.5 0.22| 4.7 1.0 3000 154 5 112 6| 1.1 0.0 1.1| 19.8 -3.4 16.4 5.5 0.26| 4.2 1.1 4000 180 5 129 4| 0.9 0.1 1.0| 19.8 -3.5 16.4 4.1 0.25| 3.3 0.8 5000 199 5 147 3| 0.7 0.1 0.9| 19.8 -3.6 16.2 3.2 0.23| 2.7 0.6 6000 209 5 162 3| 0.6 0.2 0.8| 19.8 -4.6 15.2 2.5 0.17| 2.4 0.4 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250606.12.gif