UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 9 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 25.2 24.0 93 1.2 24.3 305 1 297.2 300.7 297.0 351.9 18.86 1 1000 118 24.2 23.8 98 0.4 23.9 320 3 297.4 300.8 297.1 352.1 18.88 2 987 233 23.4 23.1 98 0.3 23.2 328 3 297.7 301.0 296.8 350.8 18.32 3 978 313 24.8 21.2 80 3.6 22.2 334 3 299.9 302.8 296.1 347.9 16.42 4 947 597 23.4 18.9 76 4.5 20.2 355 3 301.2 303.9 295.4 344.3 14.66 5 925 802 21.8 19.2 85 2.6 20.0 10 3 301.6 304.4 295.9 346.7 15.31 6 884 1195 18.2 17.9 98 0.3 18.0 56 6 301.8 304.5 295.6 345.3 14.76 7 851 1521 16.2 15.3 94 0.9 15.6 94 9 303.0 305.4 294.7 341.4 12.96 8 850 1531 16.2 15.0 93 1.2 15.4 95 9 303.1 305.5 294.5 340.8 12.72 9 826 1775 17.2 10.2 63 7.0 12.8 99 9 306.7 308.4 293.2 335.4 9.50 10 783 2231 16.6 -0.4 31 17.0 7.5 106 9 310.7 311.6 290.5 325.6 4.75 11 751 2585 14.0 2.0 44 12.0 7.3 111 9 311.7 312.8 291.7 330.0 5.89 12 708 3080 11.6 -11.4 19 23.0 1.7 119 9 314.3 314.7 289.3 321.7 2.26 13 700 3175 11.2 -8.8 24 20.0 2.1 120 9 314.9 315.4 290.0 324.0 2.81 14 690 3295 10.4 -1.6 43 12.0 4.1 118 9 315.3 316.2 292.0 331.0 4.93 15 657 3700 7.8 -16.2 16 24.0 -1.5 112 9 316.8 317.1 289.5 322.3 1.64 16 589 4593 3.6 -25.4 10 29.0 -5.5 99 8 322.0 322.1 290.2 324.9 0.82 17 588 4607 3.6 -23.4 12 27.0 -5.3 99 8 322.1 322.3 290.5 325.6 0.99 18 547 5188 -1.5 -16.5 31 15.0 -7.1 91 8 322.8 323.2 291.5 329.4 1.92 19 500 5900 -4.1 -32.1 9 28.0 -11.2 80 7 328.0 328.1 291.7 330.0 0.52 20 477 6270 -5.3 -36.3 7 31.0 -12.5 80 8 331.0 331.1 292.3 332.4 0.36 21 458 6589 -6.7 -38.7 6 32.0 -13.6 80 9 333.1 333.2 292.9 334.3 0.29 22 432 7042 -9.9 -38.9 7 29.0 -15.9 80 10 334.7 334.7 293.3 335.9 0.30 23 407 7499 -14.1 -20.1 60 6.0 -16.1 80 11 335.0 335.4 294.7 341.8 1.90 24 400 7630 -14.9 -21.9 55 7.0 -17.1 80 11 335.6 336.0 294.7 341.6 1.66 25 378 8056 -16.9 -25.9 46 9.0 -19.4 74 10 338.5 338.7 295.0 343.0 1.23 26 350 8627 -22.5 -25.1 79 2.6 -23.2 66 9 338.4 338.7 295.2 343.6 1.42 27 300 9740 -30.1 -41.1 33 11.0 -31.6 50 7 343.0 343.0 295.4 344.3 0.35 28 280 10227 -33.7 -48.7 21 15.0 -35.1 41 5 344.6 344.6 295.6 345.3 0.16 29 273 10404 -34.9 -48.9 23 14.0 -36.1 37 4 345.4 345.4 295.7 346.1 0.16 30 250 11010 -40.5 -52.5 26 12.0 -41.3 25 1 345.9 345.9 295.8 346.3 0.12 31 233 11485 -44.9 -53.9 36 9.0 -45.4 50 1 346.2 346.2 295.9 346.7 0.11 32 200 12490 -51.9 -63.9 22 12.0 -52.2 105 1 350.6 350.6 296.8 350.7 0.04 33 163 13789 -61.9 -74.9 16 13.0 -62.0 98 7 354.9 354.9 297.7 354.9 0.01 34 150 14300 -65.5 -78.5 15 13.0 -65.6 95 9 357.2 357.2 298.1 357.3 0.01 35 134 14979 -70.3 -79.3 25 9.0 -70.4 99 14 360.4 360.4 298.8 360.5 0.01 36 123 15482 -74.9 -80.9 39 6.0 -74.9 102 18 361.0 361.0 298.9 361.0 0.00 37 107 16285 -78.3 -84.3 37 6.0 -78.3 107 24 369.2 369.2 300.4 369.2 0.00 38 100 16670 -79.5 -85.5 36 6.0 -79.5 110 27 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 559.06 mb = 5017.22 m = 16460.51 ft Wetbulb zero: 665.91 mb = 3588.77 m = 11774.03 ft Precipitable water: 1.58 inches Sfc-500 mean rel hum: 43.67 % Est. max temperature: 30.54 C = 86.97 F Sfc-Lift cond lev (LCL): 995.91 mb = 153.95 m = 505.08 ft T: 23.95 C 700-500 lapse rate: 5.61 C/km ThetaE index: 21.13 C Layer 884.0- 751.0 mb Conv cond level (CCL): 902.42 mb = 1016.07 m = 3333.52 ft Mean mixing ratio: 16.34 g/kg Conv temperature: 29.69 C = 85.44 F Cap Strength: 2.40 C Lifted Index: -0.37 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.53 C Lifted Index @700 mb: 1.22 C Showalter Index: 2.33 C Risk: Showers probable Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 19.10 C K Index: 15.30 Risk: < 20 % chance of thunderstorms Sweat Index: 205.00 Risk: None Energy Index: -2.00 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 156.13 J/kg Max Up Vert Vel: 17.67 m/s Conv Inhibition (B-): 23.28 J/kg Cap Strength: 2.27 C Lift Cond Lev (LCL): 926.44 mb = 788.39 m = 2586.56 ft Lev Free Conv (LFC): 891.44 mb = 1122.07 m = 3681.29 ft Equ Level (EL): 831.44 mb = 1719.10 m = 5640.03 ft B at Equ Level: 30.33 J/kg Max Parcel Lev (MPL): 781.44 mb = 2247.73 m = 7374.35 ft Wind level data Storm motion: 129 at 6 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 1013 6 305 1 0.8 -0.6 | 309 7 5.1 -4.1 1 1000 118 320 3 1.9 -2.3 | 313 8 6.2 -5.8 2 925 802 10 3 -0.5 -3.0 | 330 7 3.8 -6.5 3 850 1531 95 9 -9.0 0.8 | 60 5 -4.7 -2.7 4 700 3175 120 9 -7.8 4.5 | 106 4 -3.5 1.0 5 500 5900 80 7 -6.9 -1.2 | 29 5 -2.6 -4.7 6 400 7630 80 11 -10.8 -1.9 | 50 8 -6.6 -5.4 7 300 9740 50 7 -5.4 -4.5 | 8 8 -1.1 -8.0 8 250 11010 25 1 -0.4 -0.9 | 319 6 3.9 -4.4 9 200 12490 105 1 -1.0 0.3 | 314 5 3.3 -3.2 10 150 14300 95 9 -9.0 0.8 | 60 5 -4.7 -2.7 11 100 16670 110 27 -25.4 9.2 | 105 22 -21.1 5.7 Wind Parameters Mean winds (0-6000m): 99.3 at 7.4 knts Storm direction: 129.3 at 5.5 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 151.3 deg Storm rel helicity (0-3000m) pos: 28.6 neg: 0.0 tot: 28.6 m^2/s^2 ave: 9.5 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 2.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 13.54 Bulk Shear: 11.53 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 ------------------------------------------------------------------------------- 500 331 3 317 8| 2.4 0.0 2.4| 4.3 0.0 4.3 8.5 0.58| 3.5 2.1 1000 353 3 325 8| 2.5 0.0 2.5| 10.8 0.0 10.8 10.8 0.76| 3.5 2.7 1500 43 4 348 7| 3.3 0.0 3.3| 24.2 0.0 24.2 16.2 0.87| 5.1 4.5 2000 73 5 10 5| 2.6 0.0 2.6| 26.2 0.0 26.2 13.1 0.87| 4.2 3.7 2500 85 6 25 4| 2.1 0.0 2.1| 27.4 0.0 27.4 11.0 0.87| 3.6 3.2 3000 94 7 38 4| 1.7 0.0 1.7| 28.6 0.0 28.6 9.5 0.88| 3.2 2.8 4000 101 7 52 3| 1.3 0.2 1.5| 28.9 -1.8 27.1 6.8 0.71| 2.7 1.9 5000 101 7 55 4| 1.0 0.4 1.4| 28.9 -4.1 24.8 5.0 0.56| 2.4 1.3 6000 99 7 52 4| 0.9 0.5 1.3| 29.2 -6.2 23.0 3.8 0.46| 2.2 1.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251009.00.gif