UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 12 OCT 25 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 1011 6 28.0 24.2 80 3.8 25.2 80 7 300.2 303.7 298.0 356.4 19.13 1 1000 102 27.4 23.7 80 3.7 24.7 80 9 300.5 304.0 297.8 355.7 18.76 2 951 546 24.4 17.4 65 7.0 19.6 90 12 301.9 304.3 294.6 341.0 13.26 3 925 789 23.0 19.1 79 3.9 20.2 95 13 302.8 305.6 296.1 347.9 15.22 4 850 1523 18.6 16.1 85 2.5 16.9 95 13 305.6 308.2 295.8 346.6 13.67 5 817 1862 16.2 15.0 93 1.2 15.4 103 11 306.6 309.0 295.8 346.4 13.24 6 721 2920 11.6 5.6 67 6.0 8.0 129 5 312.7 314.2 293.6 337.3 7.94 7 706 3096 10.4 8.0 85 2.4 8.9 133 3 313.2 315.1 295.0 342.9 9.58 8 701 3155 10.8 -0.2 46 11.0 4.8 135 3 314.3 315.3 292.1 331.3 5.38 9 700 3167 10.8 -0.2 46 11.0 4.8 135 3 314.4 315.5 292.1 331.5 5.39 10 635 3971 5.8 -0.2 65 6.0 2.5 119 4 317.6 318.8 293.4 336.6 5.95 11 612 4272 4.2 -10.8 33 15.0 -2.3 113 4 319.2 319.7 291.2 328.2 2.74 12 597 4473 2.6 -2.3 70 4.9 0.0 109 4 319.6 320.6 293.6 337.1 5.42 13 595 4501 2.4 -3.6 65 6.0 -0.6 108 4 319.7 320.6 293.2 335.6 4.93 14 593 4528 3.0 -14.0 27 17.0 -3.8 108 4 320.7 321.1 291.2 328.0 2.18 15 568 4875 1.0 -6.0 59 7.0 -2.4 101 4 322.3 323.1 293.4 336.4 4.30 16 565 4918 1.0 -18.0 23 19.0 -6.0 100 4 322.8 323.1 291.3 328.4 1.64 17 561 4975 1.0 -20.0 19 21.0 -6.4 99 4 323.4 323.7 291.2 328.3 1.39 18 550 5134 -0.5 -12.5 40 12.0 -5.5 96 4 323.5 324.0 292.4 332.4 2.66 19 544 5221 -0.9 -20.9 20 20.0 -7.7 94 4 324.0 324.3 291.3 328.7 1.33 20 538 5310 -1.7 -12.7 43 11.0 -6.2 92 5 324.1 324.6 292.6 333.1 2.68 21 526 5489 -1.9 -20.9 22 19.0 -8.4 88 5 326.0 326.2 291.9 330.8 1.37 22 500 5890 -4.9 -19.9 30 15.0 -10.0 80 5 327.1 327.4 292.4 332.6 1.58 23 466 6443 -7.1 -30.1 14 23.0 -13.2 77 8 331.0 331.1 292.6 333.5 0.67 24 433 7013 -10.3 -36.3 10 26.0 -16.0 74 10 333.9 334.0 293.2 335.5 0.40 25 401 7601 -14.3 -34.3 17 20.0 -18.7 70 13 336.2 336.3 293.9 338.1 0.52 26 400 7620 -14.5 -31.5 22 17.0 -18.5 70 13 336.1 336.3 294.0 338.7 0.69 27 387 7869 -16.7 -23.7 55 7.0 -18.7 74 13 336.4 336.7 294.7 341.7 1.46 28 370 8205 -18.5 -29.5 37 11.0 -21.1 79 13 338.4 338.6 294.7 341.8 0.90 29 360 8409 -20.3 -24.2 71 3.9 -21.4 83 13 338.7 339.0 295.3 344.1 1.50 30 347 8681 -21.9 -28.9 53 7.0 -23.5 87 13 340.1 340.3 295.3 343.9 1.01 31 345 8723 -21.5 -46.5 9 25.0 -24.9 88 13 341.2 341.2 294.8 341.9 0.17 32 337 8896 -22.1 -47.1 8 25.0 -25.5 91 13 342.7 342.7 295.1 343.3 0.16 33 336 8918 -21.9 -40.9 16 19.0 -25.0 91 13 343.2 343.3 295.4 344.5 0.32 34 322 9229 -24.7 -34.7 39 10.0 -26.6 96 13 343.6 343.7 295.7 346.0 0.62 35 300 9740 -28.7 -39.7 34 11.0 -30.3 105 13 344.9 345.0 295.8 346.5 0.40 36 278 10282 -32.5 -48.5 19 16.0 -34.1 107 14 347.0 347.1 296.1 347.7 0.17 37 250 11020 -39.3 -50.3 30 11.0 -40.1 110 15 347.6 347.7 296.3 348.3 0.15 38 217 11969 -47.3 -59.3 24 12.0 -47.7 113 15 349.6 349.6 296.6 349.9 0.06 39 201 12468 -51.9 -57.9 48 6.0 -52.1 115 15 350.1 350.1 296.7 350.4 0.08 40 200 12500 -52.1 -59.1 43 7.0 -52.3 115 15 350.3 350.3 296.7 350.5 0.07 41 193 12730 -54.1 -61.1 42 7.0 -54.3 118 17 350.7 350.7 296.8 350.9 0.05 42 175 13351 -58.9 -68.9 26 10.0 -59.0 127 21 352.7 352.7 297.3 352.8 0.02 43 168 13605 -61.1 -65.3 57 4.2 -61.2 130 23 353.2 353.2 297.4 353.3 0.03 44 150 14300 -66.5 -73.5 37 7.0 -66.5 140 29 355.5 355.5 297.8 355.6 0.01 45 141 14672 -69.7 -76.7 35 7.0 -69.8 128 29 356.3 356.3 298.0 356.3 0.01 46 121 15574 -73.7 -83.7 20 10.0 -73.7 98 30 364.9 364.9 299.7 364.9 0.00 47 100 16670 -79.9 -85.9 36 6.0 -79.9 60 31 373.4 373.4 301.1 373.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 553.67 mb = 5080.73 m = 16668.87 ft Wetbulb zero: 622.99 mb = 4127.02 m = 13539.93 ft Precipitable water: 1.97 inches Sfc-500 mean rel hum: 61.78 % Est. max temperature: 33.01 C = 91.42 F Sfc-Lift cond lev (LCL): 957.27 mb = 487.90 m = 1600.69 ft T: 24.79 C 700-500 lapse rate: 5.77 C/km ThetaE index: 15.44 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 843.68 mb = 1586.89 m = 5206.28 ft Mean mixing ratio: 15.71 g/kg Conv temperature: 33.62 C = 92.51 F Cap Strength: 2.16 C Lifted Index: -1.23 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.75 C Lifted Index @700 mb: 0.76 C Showalter Index: -0.70 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.00 C K Index: 28.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 224.20 Risk: None Energy Index: -2.71 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 119.70 J/kg Max Up Vert Vel: 15.47 m/s Conv Inhibition (B-): 78.60 J/kg Cap Strength: 2.16 C Lift Cond Lev (LCL): 894.95 mb = 1075.68 m = 3529.09 ft Lev Free Conv (LFC): 649.95 mb = 3779.24 m = 12398.94 ft Equ Level (EL): 339.95 mb = 8831.70 m = 28975.05 ft B at Equ Level: 114.13 J/kg Max Parcel Lev (MPL): 229.95 mb = 11580.12 m = 37992.07 ft Wind level data Storm motion: 127 at 5 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 1011 6 80 7 -6.9 -1.2 | 32 5 -2.7 -4.4 1 1000 102 80 9 -8.9 -1.6 | 45 7 -4.7 -4.7 2 925 789 95 13 -13.0 1.1 | 77 9 -8.8 -2.0 3 850 1523 95 13 -13.0 1.1 | 77 9 -8.8 -2.0 4 700 3167 135 3 -2.1 2.1 | 296 2 2.1 -1.0 5 500 5890 80 5 -4.9 -0.9 | 10 4 -0.7 -4.0 6 400 7620 70 13 -12.2 -4.4 | 47 11 -8.0 -7.6 7 300 9740 105 13 -12.6 3.4 | 91 8 -8.4 0.2 8 250 11020 110 15 -14.1 5.1 | 101 10 -9.9 2.0 9 200 12500 115 15 -13.6 6.3 | 109 10 -9.4 3.2 10 150 14300 140 29 -18.6 22.2 | 143 24 -14.5 19.1 11 100 16670 60 31 -26.8 -15.5 | 51 29 -22.7 -18.6 Wind Parameters Mean winds (0-6000m): 96.9 at 7.0 knts Storm direction: 126.9 at 5.2 knts Shear (0-3000m) pos: 0.9 neg: 0.0 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): -97.6 deg Storm rel helicity (0-3000m) pos: 14.1 neg: -0.0 tot: 14.1 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 1.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 82.11 Bulk Shear: 1.46 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 84 10 53 7| 4.7 0.0 4.7| 6.8 0.0 6.8 13.7 0.80| 5.0 4.0 1000 90 11 65 8| 3.3 0.0 3.3| 10.9 0.0 10.9 10.9 0.82| 3.6 2.9 1500 92 12 70 8| 2.2 0.0 2.2| 10.9 0.0 10.9 7.3 0.82| 2.4 1.9 2000 94 12 72 8| 1.3 0.0 1.3| 13.4 0.0 13.4 6.7 0.65| 2.8 1.8 2500 96 11 74 7| 1.0 0.0 1.0| 14.1 0.0 14.1 5.6 0.53| 2.9 1.6 3000 96 10 71 6| 0.9 0.0 0.9| 14.1 -0.0 14.1 4.7 0.37| 3.0 1.1 4000 98 8 66 5| 0.7 0.1 0.8| 14.6 -0.0 14.6 3.7 0.38| 2.6 1.0 5000 99 8 59 4| 0.6 0.2 0.8| 15.3 -0.0 15.3 3.1 0.41| 2.2 0.9 6000 97 7 50 4| 0.5 0.4 0.8| 16.2 -0.0 16.1 2.7 0.41| 2.0 0.8 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251012.00.gif