UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025063012.upa.cvt Date: 1200Z 30 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 30 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 26.2 24.6 91 1.6 25.0 175 3 299.3 302.9 298.1 357.2 19.81 1 1000 17 26.2 24.7 91 1.5 25.1 170 3 299.4 303.0 298.2 357.8 19.96 2 978 213 24.6 23.1 91 1.5 23.5 169 7 299.7 303.0 297.4 353.8 18.49 3 975 241 26.2 21.5 75 4.7 22.8 168 8 301.5 304.6 296.8 351.0 16.78 4 935 611 26.0 22.0 79 4.0 23.0 166 15 305.0 308.3 298.5 359.0 18.08 5 925 706 25.0 21.8 82 3.2 22.7 165 17 304.9 308.2 298.5 358.9 18.05 6 850 1448 21.0 18.8 87 2.2 19.4 180 9 308.1 311.2 298.2 357.4 16.28 7 793 2047 17.4 15.6 89 1.8 16.2 176 7 310.5 313.2 297.4 353.9 14.20 8 700 3107 11.8 9.6 86 2.2 10.4 170 3 315.6 317.6 296.5 349.2 10.79 9 591 4511 4.6 1.2 79 3.4 2.7 245 9 322.8 324.2 295.7 345.8 7.09 10 557 4994 1.4 0.1 91 1.3 0.7 272 11 324.6 325.9 296.0 347.2 6.94 11 500 5860 -2.9 -3.9 93 1.0 -3.4 320 15 329.5 330.7 296.3 348.7 5.74 12 432 7007 -8.5 -9.6 92 1.1 -9.0 330 10 336.5 337.3 296.9 351.3 4.28 13 400 7600 -11.9 -13.1 91 1.2 -12.4 335 7 339.5 340.2 297.0 351.8 3.49 14 331 9028 -20.3 -22.5 83 2.2 -21.0 54 7 346.9 347.3 297.5 353.9 1.90 15 300 9750 -25.5 -27.7 82 2.2 -26.1 95 7 349.4 349.7 297.6 354.4 1.31 16 258 10821 -32.9 -36.4 71 3.5 -33.4 112 14 353.9 354.1 298.0 356.6 0.66 17 250 11040 -34.9 -37.4 78 2.5 -35.3 115 15 354.2 354.3 298.0 356.6 0.61 18 249 11068 -35.1 -37.5 79 2.4 -35.4 114 15 354.3 354.4 298.1 356.7 0.61 19 200 12560 -48.3 -52.1 65 3.8 -48.5 70 9 356.3 356.3 298.1 356.9 0.15 20 188 12964 -52.3 -56.0 64 3.7 -52.4 62 14 356.2 356.2 298.0 356.6 0.10 21 159 14023 -62.1 -67.1 51 5.0 -62.1 42 27 357.1 357.1 298.1 357.2 0.03 22 150 14380 -65.5 -70.4 50 4.9 -65.5 35 31 357.2 357.3 298.2 357.3 0.02 23 140 14796 -69.5 -73.6 55 4.1 -69.5 357.3 357.4 298.2 357.4 0.01 24 120 15698 -77.1 -81.3 51 4.2 -77.1 359.5 359.5 298.6 359.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5843.00 m Freezing level: 538.44 mb = 5275.72 m = 17308.58 ft Wetbulb zero: 547.77 mb = 5127.77 m = 16823.20 ft Precipitable water: 2.77 inches Sfc-500 mean rel hum: 85.90 % Est. max temperature: 35.04 C = 95.07 F Sfc-Lift cond lev (LCL): 978.46 mb = 209.23 m = 686.45 ft T: 24.63 C 700-500 lapse rate: 5.34 C/km ThetaE index: 13.27 C Layer 925.0- 557.0 mb Conv cond level (CCL): 835.53 mb = 1596.30 m = 5237.14 ft Mean mixing ratio: 17.99 g/kg Conv temperature: 35.67 C = 96.20 F Cap Strength: 2.56 C Lifted Index: -2.16 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.50 C Lifted Index @700 mb: -0.47 C Showalter Index: -2.45 C Risk: Severe thunderstorms possible Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 21.70 C K Index: 40.50 Risk: > 80 % chance of thunderstorms Sweat Index: 258.60 Risk: None Energy Index: -1.76 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 366.08 J/kg Max Up Vert Vel: 27.06 m/s Conv Inhibition (B-): 90.68 J/kg Cap Strength: 2.56 C Lift Cond Lev (LCL): 906.09 mb = 887.28 m = 2910.97 ft Lev Free Conv (LFC): 741.09 mb = 2622.51 m = 8603.92 ft Equ Level (EL): 271.09 mb = 10469.36 m = 34347.89 ft B at Equ Level: 364.40 J/kg Wind level data Storm motion: 253 at 7 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 6 175 3 -0.3 3.0 | 99 7 -6.6 1.0 1 1000 17 170 3 -0.5 3.0 | 98 7 -6.9 1.0 2 925 706 165 17 -4.4 16.4 | 143 18 -10.8 14.4 3 850 1448 180 9 0.0 9.0 | 138 9 -6.4 7.0 4 700 3107 170 3 -0.5 3.0 | 98 7 -6.9 1.0 5 500 5860 320 15 9.6 -11.5 | 346 14 3.3 -13.5 6 400 7600 335 7 3.0 -6.3 | 22 9 -3.4 -8.3 7 300 9750 95 7 -7.0 0.6 | 84 13 -13.3 -1.4 8 250 11040 115 15 -13.6 6.3 | 102 20 -20.0 4.4 9 200 12560 70 9 -8.5 -3.1 | 71 16 -14.8 -5.1 10 150 14380 35 31 -17.8 -25.4 | 41 37 -24.2 -27.4 Wind Parameters Mean winds (0-6000m): 222.8 at 8.9 knts Storm direction: 252.8 at 6.7 knts Shear (0-3000m) pos: 0.8 neg: 0.9 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 2.3 deg Storm rel helicity (0-3000m) pos: 22.6 neg: -14.6 tot: 8.0 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 0.3 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 44.62 Bulk Shear: 8.20 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 ------------------------------------------------------------------------------- 500 167 8 125 10| 0.0 10.3 10.3| 16.1 0.0 16.1 32.2 0.64| 10.3 6.6 1000 167 12 136 13| 0.7 5.1 5.8| 22.6 -0.1 22.5 22.5 0.45| 9.1 4.1 1500 169 11 137 13| 1.7 3.4 5.1| 22.6 -4.0 18.6 12.4 0.28| 7.9 2.2 2000 170 11 136 12| 1.2 2.2 3.4| 22.6 -7.8 14.8 7.4 0.20| 6.4 1.3 2500 171 10 134 11| 1.0 1.4 2.4| 22.6 -11.3 11.3 4.5 0.12| 5.5 0.7 3000 172 9 131 10| 0.8 0.9 1.7| 22.6 -14.6 8.0 2.7 0.05| 4.9 0.3 4000 176 8 130 9| 1.0 0.7 1.7| 30.0 -15.3 14.7 3.7 0.18| 4.5 0.8 5000 193 8 142 7| 1.7 0.5 2.3| 37.3 -15.3 22.0 4.4 0.33| 4.6 1.5 6000 223 9 176 5| 1.9 0.5 2.3| 59.3 -15.3 44.0 7.3 0.40| 4.8 2.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250630.12.gif