UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 19 OCT 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 1013 6 26.8 23.8 84 3.0 24.6 298.8 302.2 297.3 353.2 18.63 1 992 25.0 23.2 90 1.8 23.7 298.8 302.2 297.1 352.3 18.34 2 943 24.4 18.4 69 6.0 20.2 302.6 305.2 295.4 344.8 14.26 3 847 17.2 17.1 99 0.1 17.1 304.5 307.2 296.2 348.1 14.64 4 781 13.0 11.4 90 1.6 12.0 307.1 309.2 294.3 340.0 10.91 5 682 7.6 -3.4 46 11.0 2.1 313.2 314.1 290.9 327.1 4.36 6 663 6.8 1.8 70 5.0 4.0 314.9 316.1 293.2 335.6 6.59 7 645 6.6 -10.4 28 17.0 -0.9 317.1 317.6 290.6 325.9 2.68 8 633 5.6 -1.4 61 7.0 1.9 317.7 318.8 293.1 335.2 5.46 9 627 5.6 -7.4 39 13.0 -0.5 318.6 319.2 291.7 330.0 3.50 10 599 3.6 -15.4 23 19.0 -3.8 320.4 320.8 290.8 326.9 1.92 11 595 3.0 -5.0 56 8.0 -1.0 320.4 321.2 293.0 334.8 4.43 12 571 0.2 -4.7 70 4.9 -2.2 320.9 321.8 293.4 336.3 4.73 13 552 -1.7 -7.7 64 6.0 -4.5 321.7 322.5 292.9 334.5 3.88 14 515 -4.5 -9.5 68 5.0 -6.7 324.8 325.5 293.5 336.9 3.61 15 441 -10.5 -29.5 19 19.0 -15.4 331.9 332.1 293.0 334.7 0.75 16 424 -12.5 -24.5 36 12.0 -16.0 333.1 333.4 293.7 337.6 1.24 17 402 -14.3 -42.3 7 28.0 -19.2 335.9 336.0 293.5 336.8 0.23 18 398 -14.7 -36.7 14 22.0 -19.1 336.4 336.4 293.8 338.0 0.41 19 377 -17.5 -30.5 31 13.0 -20.5 337.9 338.1 294.6 340.9 0.80 20 341 -22.9 -44.9 12 22.0 -25.9 340.4 340.5 294.6 341.2 0.20 21 330 -25.1 -42.1 19 17.0 -27.5 340.6 340.7 294.7 341.7 0.29 22 327 -25.7 -33.7 47 8.0 -27.2 340.7 340.8 295.1 343.3 0.68 23 323 -26.5 -33.5 52 7.0 -27.8 340.8 340.9 295.1 343.4 0.70 24 319 -27.1 -34.1 51 7.0 -28.3 341.1 341.3 295.2 343.7 0.67 25 316 -27.3 -50.3 9 23.0 -29.7 341.8 341.8 294.8 342.3 0.12 26 293 -31.7 -44.7 27 13.0 -33.1 343.0 343.1 295.3 344.0 0.24 27 292 -31.9 -54.9 8 23.0 -33.7 343.1 343.1 295.1 343.4 0.08 28 285 -33.1 -41.1 45 8.0 -34.1 343.7 343.8 295.6 345.2 0.37 29 276 -34.5 -52.5 14 18.0 -35.9 344.9 344.9 295.6 345.3 0.11 30 274 -35.1 -45.1 35 10.0 -36.1 344.7 344.8 295.7 345.7 0.25 31 271 -35.7 -56.7 10 21.0 -37.1 344.9 345.0 295.6 345.2 0.07 32 261 -37.7 -55.7 14 18.0 -38.8 345.7 345.7 295.7 346.1 0.08 33 205 -51.9 -63.9 22 12.0 -52.2 348.1 348.1 296.3 348.3 0.03 34 167 -61.9 -73.9 19 12.0 -62.0 352.5 352.5 297.2 352.5 0.01 35 139 -70.7 -76.7 41 6.0 -70.7 356.0 356.0 297.9 356.0 0.01 36 105 -78.9 -83.8 44 4.9 -78.9 370.1 370.1 300.6 370.1 0.00 37 100 -78.7 -84.7 37 6.0 -78.7 375.7 375.7 301.5 375.7 0.00 TRP WND Sounding variables and indices Freezing level: 569.00 mb = -9999.00 m = -9999.00 ft Wetbulb zero: 648.18 mb = -9999.00 m = -9999.00 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 69.34 % Est. max temperature: 32.13 C = 89.84 F Sfc-Lift cond lev (LCL): 970.24 mb = -9999.00 m = -9999.00 ft T: 24.74 C ThetaE index: 21.06 C Layer 781.0- 663.0 mb Conv cond level (CCL): 870.81 mb = -9999.00 m = -9999.00 ft Mean mixing ratio: 16.12 g/kg Conv temperature: 31.98 C = 89.56 F Cap Strength: 2.18 C Lifted Index: -2.15 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.11 C Lifted Index @700 mb: -1.52 C Showalter Index: -1.97 C Risk: Thunderstorms probable Total Totals Index: 45.87 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.08 C Cross Totals Index: 22.79 C K Index: 31.03 Risk: 60-80 % 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: 2.18 C Lift Cond Lev (LCL): 909.34 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): 904.34 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.20251019.00.gif