UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061212.upa.cvt Date: 1200Z 12 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 12 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 1001 6 31.8 23.8 63 8.0 25.8 330 1 304.9 308.4 299.0 361.3 18.86 1 1000 17 31.6 23.6 63 8.0 25.6 330 1 304.8 308.2 298.8 360.5 18.65 2 925 713 26.0 21.4 76 4.6 22.6 25 15 305.9 309.2 298.4 358.7 17.61 3 856 1393 20.2 19.2 94 1.0 19.5 39 26 306.7 309.8 298.0 356.6 16.58 4 850 1454 20.4 18.0 86 2.4 18.7 40 27 307.5 310.4 297.5 354.2 15.46 5 756 2460 14.6 13.0 90 1.6 13.6 52 23 311.7 314.1 296.7 350.3 12.56 6 724 2826 12.2 12.2 100 0.0 12.2 57 22 313.0 315.3 296.9 351.3 12.44 7 700 3109 10.8 10.6 99 0.2 10.7 60 21 314.4 316.7 296.7 350.3 11.55 8 603 4343 4.6 4.2 97 0.4 4.4 58 18 321.0 322.7 296.3 348.5 8.62 9 560 4946 3.0 0.0 81 3.0 1.3 57 17 326.0 327.3 296.3 348.4 6.85 10 558 4975 3.0 -0.2 79 3.2 1.2 57 17 326.3 327.6 296.3 348.5 6.78 11 533 5346 0.0 -0.6 96 0.6 -0.3 56 16 327.0 328.4 296.5 349.7 6.89 12 529 5407 0.6 -1.7 85 2.3 -0.7 56 16 328.4 329.7 296.5 349.6 6.40 13 508 5733 0.0 -5.0 69 5.0 -2.6 55 15 331.5 332.6 296.4 349.1 5.20 14 500 5860 -0.9 -5.2 73 4.3 -3.1 55 15 331.9 333.0 296.5 349.5 5.20 15 450 6690 -6.9 -8.1 91 1.2 -7.5 43 15 334.6 335.5 296.7 350.4 4.62 16 401 7581 -10.7 -18.7 52 8.0 -13.6 30 15 340.8 341.3 296.4 348.7 2.18 17 400 7600 -10.9 -18.9 52 8.0 -13.8 30 15 340.8 341.3 296.3 348.6 2.15 18 372 8155 -14.3 -19.0 67 4.7 -16.0 45 12 343.5 343.9 297.0 351.8 2.29 19 350 8614 -18.1 -20.3 83 2.2 -18.8 58 10 344.4 344.8 297.1 352.3 2.18 20 342 8787 -19.1 -25.1 59 6.0 -20.8 63 10 345.3 345.6 296.8 350.7 1.46 21 327 9119 -21.7 -23.5 85 1.8 -22.2 72 8 346.2 346.5 297.2 352.7 1.76 22 310 9511 -23.7 -28.6 64 4.9 -24.9 83 6 348.7 348.9 297.3 353.2 1.17 23 300 9750 -25.5 -27.0 87 1.5 -25.9 90 5 349.4 349.7 297.7 354.8 1.40 24 276 10351 -29.9 -33.7 69 3.8 -30.6 88 4 351.5 351.7 297.6 354.7 0.80 25 251 11022 -35.3 -39.9 63 4.6 -35.9 85 3 353.2 353.3 297.7 355.1 0.47 26 250 11050 -35.5 -39.8 65 4.3 -36.1 85 3 353.3 353.4 297.7 355.2 0.48 27 235 11477 -39.1 -40.3 88 1.2 -39.2 99 5 354.1 354.3 297.9 356.1 0.49 28 233 11535 -39.3 -43.9 62 4.6 -39.8 101 6 354.7 354.8 297.9 356.1 0.33 29 230 11624 -40.1 -44.7 61 4.6 -40.5 104 6 354.8 354.9 297.9 356.1 0.31 30 200 12560 -48.1 -53.1 56 5.0 -48.4 135 11 356.6 356.6 298.1 357.2 0.14 31 167 13723 -58.1 -67.1 31 9.0 -58.3 132 6 358.8 358.8 298.5 358.9 0.03 32 157 14109 -61.7 -67.7 45 6.0 -61.8 131 4 359.1 359.1 298.5 359.2 0.03 33 150 14390 -63.9 -68.9 50 5.0 -64.0 130 3 360.0 360.0 298.7 360.1 0.02 34 141 14765 -66.9 -71.9 49 5.0 -67.0 125 7 361.2 361.2 299.0 361.2 0.02 35 129 15296 -70.5 -83.5 13 13.0 -70.5 117 12 364.0 364.0 299.5 364.0 0.00 36 100 16770 -79.5 -85.5 36 6.0 -79.5 95 27 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5843.00 m Freezing level: 508.00 mb = 5732.63 m = 18807.61 ft Wetbulb zero: 538.44 mb = 5263.87 m = 17269.70 ft Precipitable water: 2.76 inches Sfc-500 mean rel hum: 87.68 % Est. max temperature: 34.32 C = 93.77 F Sfc-Lift cond lev (LCL): 892.23 mb = 1029.37 m = 3377.16 ft T: 23.30 C 700-500 lapse rate: 4.25 C/km ThetaE index: 11.00 C Layer 1000.0- 724.0 mb Conv cond level (CCL): 860.04 mb = 1351.59 m = 4434.28 ft Mean mixing ratio: 17.96 g/kg Conv temperature: 33.58 C = 92.45 F Cap Strength: 0.95 C Lifted Index: -1.10 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.97 C Lifted Index @700 mb: -2.23 C Showalter Index: 0.60 C Risk: Thunderstorms probable Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 18.90 C K Index: 39.10 Risk: > 80 % chance of thunderstorms Sweat Index: 285.00 Risk: None Energy Index: -0.99 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 788.51 J/kg Max Up Vert Vel: 39.71 m/s Conv Inhibition (B-): 17.17 J/kg Cap Strength: 0.95 C Lift Cond Lev (LCL): 874.56 mb = 1204.79 m = 3952.68 ft Lev Free Conv (LFC): 819.56 mb = 1767.06 m = 5797.35 ft Equ Level (EL): 159.56 mb = 14007.80 m = 45956.79 ft B at Equ Level: 788.15 J/kg Wind level data Storm motion: 80 at 14 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 1001 6 330 1 0.5 -0.9 | 264 14 14.4 1.6 1 1000 17 330 1 0.5 -0.9 | 264 14 14.4 1.6 2 925 713 25 15 -6.3 -13.6 | 326 13 7.5 -11.1 3 850 1454 40 27 -17.4 -20.7 | 11 19 -3.5 -18.2 4 700 3109 60 21 -18.2 -10.5 | 28 9 -4.3 -8.0 5 500 5860 55 15 -12.3 -8.6 | 345 6 1.6 -6.2 6 400 7600 30 15 -7.5 -13.0 | 329 12 6.4 -10.5 7 300 9750 90 5 -5.0 0.0 | 255 9 8.9 2.5 8 250 11050 85 3 -3.0 -0.3 | 259 11 10.9 2.2 9 200 12560 135 11 -7.8 7.8 | 211 12 6.1 10.2 10 150 14390 130 3 -2.3 1.9 | 249 12 11.6 4.4 11 100 16770 95 27 -26.9 2.4 | 110 14 -13.0 4.8 Wind Parameters Mean winds (0-6000m): 50.0 at 18.8 knts Storm direction: 80.0 at 14.1 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 123.2 deg Storm rel helicity (0-3000m) pos: 127.6 neg: 0.0 tot: 127.6 m^2/s^2 ave: 42.5 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 5.5 10^-3/s Energy-Hel index: 0.59 Bulk Rich Number: 25.77 Bulk Shear: 30.60 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 5 6 284 14| 10.4 0.0 10.4| 42.2 0.0 42.2 84.5 0.99| 11.1 10.9 1000 25 11 308 12| 9.9 0.0 9.9| 80.5 0.0 80.5 80.5 0.98| 11.0 10.7 1500 32 15 330 12| 9.1 0.0 9.1|113.3 0.0 113.3 75.6 0.96| 10.1 9.7 2000 36 18 344 12| 6.4 0.0 6.4|119.8 0.0 119.8 59.9 0.91| 8.4 7.7 2500 39 19 352 12| 4.7 0.0 4.7|124.5 0.0 124.5 49.8 0.86| 7.4 6.4 3000 42 20 357 12| 3.7 0.0 3.7|127.6 0.0 127.6 42.5 0.82| 6.7 5.5 4000 46 20 2 11| 2.6 0.1 2.7|128.0 -3.6 124.4 31.1 0.74| 5.3 3.9 5000 49 19 4 10| 2.1 0.3 2.4|128.0 -7.5 120.5 24.1 0.65| 4.5 3.0 6000 50 19 3 10| 1.7 0.5 2.2|128.0 -11.0 117.0 19.5 0.58| 4.0 2.3 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250612.12.gif