UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052800.upa.cvt Date: 0000Z 28 MAY 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 28 MAY 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 1008 6 24.0 22.5 91 1.5 22.9 296.5 299.6 295.8 346.3 17.27 1 859 17.6 16.8 95 0.8 17.1 303.7 306.3 295.7 345.7 14.15 2 844 18.2 16.0 87 2.2 16.7 305.8 308.4 295.9 346.8 13.68 3 791 16.4 12.5 78 3.9 13.8 309.6 311.8 295.5 345.0 11.60 4 721 13.0 9.6 80 3.4 10.8 314.2 316.2 295.9 346.7 10.47 5 671 8.6 8.1 97 0.5 8.3 315.8 317.8 296.1 347.6 10.16 6 573 3.4 0.4 81 3.0 1.7 324.3 325.7 295.9 346.8 6.90 7 511 -2.7 -4.5 87 1.8 -3.6 327.7 328.8 295.6 345.5 5.37 8 466 -6.5 -8.8 84 2.3 -7.6 331.7 332.6 295.8 346.1 4.22 9 428 -9.9 -15.9 61 6.0 -12.2 335.6 336.1 295.4 344.7 2.59 10 418 -10.3 -24.3 31 14.0 -14.6 337.3 337.6 294.8 342.0 1.28 11 408 -11.5 -16.5 66 5.0 -13.4 338.1 338.7 296.0 347.3 2.58 12 392 -13.1 -19.1 61 6.0 -15.2 339.9 340.4 296.1 347.7 2.16 13 363 -16.7 -23.7 55 7.0 -18.8 342.7 343.0 296.3 348.4 1.56 14 337 -20.9 -25.4 67 4.5 -22.1 344.3 344.6 296.5 349.7 1.44 15 285 -30.9 -30.9 100 0.0 -30.9 346.9 347.1 296.8 350.8 1.02 16 255 -37.1 -41.8 62 4.7 -37.6 348.9 349.0 296.7 350.5 0.38 17 241 -40.5 -42.4 82 1.9 -40.7 349.5 349.6 296.8 351.0 0.38 18 232 -42.3 -50.3 41 8.0 -42.9 350.6 350.6 296.9 351.3 0.16 19 222 -44.7 -52.7 40 8.0 -45.2 351.3 351.4 297.0 351.9 0.13 20 211 -47.9 -52.9 56 5.0 -48.1 351.5 351.5 297.1 352.1 0.13 21 210 -48.1 -56.1 39 8.0 -48.4 351.7 351.7 297.1 352.1 0.09 22 209 -47.7 -72.7 4 25.0 -48.3 352.8 352.8 297.3 352.8 0.01 23 204 -47.7 -75.7 3 28.0 -48.3 355.2 355.2 297.7 355.2 0.01 24 153 -63.1 -78.1 11 15.0 -63.2 359.3 359.3 298.6 359.4 0.01 25 135 -68.1 -78.1 23 10.0 -68.2 363.6 363.6 299.4 363.6 0.01 26 125 -70.7 -81.7 18 11.0 -70.8 366.9 366.9 300.0 367.0 0.00 27 109 -77.3 -83.3 38 6.0 -77.3 369.2 369.2 300.4 369.2 0.00 28 100 -79.9 -85.9 36 6.0 -79.9 373.4 373.4 301.1 373.4 0.00 TRP WND Sounding variables and indices Freezing level: 538.44 mb = -9999.00 m = -9999.00 ft Wetbulb zero: 553.01 mb = -9999.00 m = -9999.00 ft Precipitable water: 2.50 inches Sfc-500 mean rel hum: 87.01 % Est. max temperature: 31.35 C = 88.44 F Sfc-Lift cond lev (LCL): 986.57 mb = -9999.00 m = -9999.00 ft T: 23.14 C ThetaE index: 1.87 C Layer 791.0- 721.0 mb Conv cond level (CCL): 859.00 mb = -9999.00 m = -9999.00 ft Mean mixing ratio: 16.26 g/kg Conv temperature: 32.65 C = 90.77 F Cap Strength: 2.32 C Lifted Index: 0.72 C Risk: Showers probable Lifted Index @300 mb: 2.61 C Lifted Index @700 mb: 1.62 C Showalter Index: 0.66 C Risk: Thunderstorms probable Total Totals Index: 41.47 C Risk: None Vertical Totals Index: 21.56 C Cross Totals Index: 19.92 C K Index: 35.67 Risk: > 80 % chance of thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 4.64 C Lift Cond Lev (LCL): 940.35 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): 935.35 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ Wind Parameters 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250528.00.gif