UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062812.upa.cvt Date: 1200Z 28 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 28 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 28.8 24.9 80 3.9 25.9 115 1 301.9 305.6 299.0 361.6 20.18 1 1000 11 28.8 25.2 81 3.6 26.1 115 1 302.0 305.7 299.2 362.9 20.58 2 945 514 25.2 24.2 94 1.0 24.5 140 11 303.2 307.0 299.5 364.3 20.51 3 925 703 24.8 21.3 81 3.5 22.3 150 15 304.7 307.9 298.1 356.9 17.50 4 850 1443 20.8 16.6 77 4.2 17.9 150 11 307.9 310.6 296.8 350.6 14.12 5 841 1535 20.4 15.6 74 4.8 17.1 153 11 308.5 311.0 296.4 349.0 13.37 6 770 2292 15.2 13.6 90 1.6 14.1 178 14 310.7 313.2 296.6 350.0 12.83 7 701 3086 12.2 7.6 73 4.6 9.3 205 17 315.9 317.7 295.6 345.3 9.39 8 700 3098 12.2 7.7 74 4.5 9.4 205 17 316.0 317.8 295.7 345.7 9.47 9 689 3231 10.8 8.9 88 1.9 9.6 206 17 315.9 317.9 296.3 348.5 10.45 10 647 3756 9.2 3.2 66 6.0 5.6 209 15 319.8 321.2 295.2 343.7 7.47 11 516 5599 -2.3 -3.4 92 1.1 -2.9 219 10 327.3 328.4 295.8 346.4 5.78 12 500 5850 -3.1 -5.1 86 2.0 -4.1 220 9 329.3 330.3 295.9 346.8 5.24 13 421 7197 -10.9 -10.9 100 0.0 -10.9 270 7 335.9 336.7 296.5 349.6 3.96 14 400 7590 -12.9 -13.2 98 0.3 -13.0 285 7 338.2 338.9 296.7 350.4 3.46 15 392 7744 -12.9 -14.9 85 2.0 -13.7 289 8 340.2 340.8 296.8 351.1 3.07 16 305 9610 -25.5 -29.4 70 3.9 -26.4 332 15 347.8 348.0 297.1 352.0 1.10 17 300 9730 -26.3 -29.4 75 3.1 -27.0 335 15 348.3 348.6 297.2 352.6 1.12 18 280 10224 -30.1 -32.3 81 2.2 -30.5 331 14 349.8 350.0 297.3 353.3 0.91 19 265 10613 -33.1 -37.8 63 4.7 -33.8 328 14 351.0 351.1 297.3 353.2 0.56 20 256 10855 -34.9 -40.9 54 6.0 -35.7 326 13 351.8 351.9 297.4 353.5 0.42 21 250 11020 -36.5 -40.9 64 4.4 -37.0 325 13 351.8 351.9 297.4 353.5 0.43 22 249 11048 -36.7 -40.4 68 3.7 -37.1 325 13 351.9 352.0 297.4 353.7 0.45 23 234 11474 -40.5 -49.5 37 9.0 -41.2 319 15 352.5 352.5 297.3 353.2 0.18 24 204 12390 -48.7 -52.4 65 3.7 -48.9 307 20 353.6 353.7 297.5 354.3 0.15 25 200 12520 -49.5 -59.5 30 10.0 -49.8 305 21 354.4 354.4 297.6 354.7 0.06 26 199 12553 -49.7 -64.7 16 15.0 -50.1 306 21 354.6 354.6 297.6 354.7 0.03 27 173 13454 -57.7 -66.7 31 9.0 -57.9 340 15 355.8 355.9 297.9 356.0 0.03 28 171 13527 -58.5 -64.5 46 6.0 -58.6 343 14 355.7 355.7 297.9 355.9 0.04 29 169 13601 -58.7 -61.9 66 3.2 -58.7 346 14 356.6 356.6 298.1 356.8 0.05 30 165 13751 -59.7 -64.2 56 4.5 -59.8 352 13 357.4 357.4 298.2 357.5 0.04 31 150 14340 -65.1 -69.1 58 4.0 -65.1 15 9 357.9 357.9 298.3 358.0 0.02 32 115 15908 -76.7 -81.3 48 4.6 -76.7 20 17 364.7 364.7 299.6 364.7 0.00 33 100 16710 -76.3 -82.3 38 6.0 -76.3 45 40 380.3 380.3 302.3 380.3 0.00 TRP 115 15908 -76.7 -81.3 48 4.6 -76.7 20 17 364.7 364.7 299.6 364.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5839.00 m Freezing level: 542.20 mb = 5230.55 m = 17160.38 ft Wetbulb zero: 560.56 mb = 4924.34 m = 16155.76 ft Precipitable water: 2.63 inches Sfc-500 mean rel hum: 81.01 % Est. max temperature: 34.83 C = 94.69 F Sfc-Lift cond lev (LCL): 946.53 mb = 499.68 m = 1639.36 ft T: 25.30 C 700-500 lapse rate: 5.56 C/km ThetaE index: 15.32 C Layer 925.0- 770.0 mb Conv cond level (CCL): 870.21 mb = 1237.31 m = 4059.36 ft Mean mixing ratio: 19.33 g/kg Conv temperature: 33.97 C = 93.15 F Cap Strength: 1.53 C Lifted Index: -3.82 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.59 C Lifted Index @700 mb: -1.24 C Showalter Index: -0.37 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 19.70 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 230.20 Risk: None Energy Index: -0.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1578.70 J/kg Max Up Vert Vel: 56.19 m/s Conv Inhibition (B-): 32.20 J/kg Cap Strength: 1.53 C Lift Cond Lev (LCL): 915.49 mb = 793.40 m = 2603.00 ft Lev Free Conv (LFC): 820.49 mb = 1747.08 m = 5731.81 ft Equ Level (EL): 130.49 mb = 15161.94 m = 49743.29 ft B at Equ Level: 1572.56 J/kg Wind level data Storm motion: 221 at 9 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 6 115 1 -0.9 0.4 | 47 10 -7.2 -6.7 1 1000 11 115 1 -0.9 0.4 | 47 10 -7.2 -6.7 2 925 703 150 15 -7.5 13.0 | 113 15 -13.8 5.9 3 850 1443 150 11 -5.5 9.5 | 102 12 -11.8 2.4 4 700 3098 205 17 7.2 15.4 | 186 8 0.9 8.3 5 500 5850 220 9 5.8 6.9 | 68 1 -0.5 -0.2 6 400 7590 285 7 6.8 -1.8 | 357 9 0.5 -8.9 7 300 9730 335 15 6.3 -13.6 | 360 21 0.1 -20.7 8 250 11020 325 13 7.5 -10.6 | 356 18 1.2 -17.7 9 200 12520 305 21 17.2 -12.0 | 330 22 10.9 -19.1 10 150 14340 15 9 -2.3 -8.7 | 29 18 -8.6 -15.8 11 115 15908 20 17 -5.8 -16.0 | 28 26 -12.1 -23.1 12 100 16710 45 40 -28.3 -28.3 | 44 49 -34.5 -35.4 Wind Parameters Mean winds (0-6000m): 191.5 at 12.6 knts Storm direction: 221.5 at 9.5 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 132.7 deg Storm rel helicity (0-3000m) pos: 79.8 neg: -9.0 tot: 70.8 m^2/s^2 ave: 23.6 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 4.2 10^-3/s Energy-Hel index: 0.57 Bulk Rich Number: 113.37 Bulk Shear: 13.92 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 ------------------------------------------------------------------------------- 500 138 6 75 11| 10.4 0.0 10.4| 29.8 0.0 29.8 59.6 0.94| 10.7 10.1 1000 149 10 96 11| 6.5 0.0 6.5| 45.9 -3.8 42.0 42.0 0.79| 8.6 6.7 1500 149 11 100 12| 3.6 0.0 3.6| 46.8 -9.0 37.9 25.2 0.62| 6.6 4.1 2000 153 11 103 12| 3.2 0.0 3.2| 57.8 -9.0 48.8 24.4 0.67| 6.0 4.0 2500 159 12 110 11| 3.0 0.0 3.0| 68.7 -9.0 59.7 23.9 0.72| 5.7 4.1 3000 168 12 119 10| 2.9 0.0 2.9| 79.8 -9.0 70.8 23.6 0.76| 5.6 4.2 4000 180 13 134 9| 1.9 0.0 1.9| 82.7 -9.0 73.7 18.4 0.71| 4.7 3.3 5000 187 13 142 8| 1.2 0.0 1.2| 82.8 -9.0 73.7 14.7 0.66| 4.1 2.7 6000 191 13 145 6| 0.8 0.0 0.8| 82.8 -9.3 73.4 12.2 0.56| 3.7 2.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250628.12.gif