UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 11 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 9 28.0 24.9 83 3.1 25.7 85 5 300.2 303.9 298.5 358.9 19.98 1 1000 105 26.8 24.4 87 2.4 25.0 70 9 300.0 303.5 298.2 357.4 19.59 2 966 410 24.0 23.0 94 1.0 23.3 83 12 300.1 303.5 297.6 354.7 18.61 3 964 429 25.0 19.0 69 6.0 20.8 84 12 301.3 304.0 295.3 343.9 14.49 4 925 792 23.6 16.6 65 7.0 18.8 100 15 303.4 305.8 294.8 341.9 12.95 5 850 1526 18.6 14.3 76 4.3 15.7 95 15 305.6 307.9 294.8 342.0 12.15 6 796 2087 14.6 13.0 90 1.6 13.6 107 12 307.2 309.4 295.1 343.1 11.91 7 773 2335 14.4 6.4 59 8.0 9.6 112 11 309.5 311.0 292.7 333.5 7.82 8 745 2646 12.2 10.0 86 2.2 10.8 119 10 310.4 312.4 294.8 342.3 10.41 9 729 2829 11.8 7.9 77 3.9 9.4 123 9 311.9 313.7 294.4 340.3 9.21 10 704 3121 11.0 3.0 58 8.0 6.4 129 7 314.2 315.4 293.2 335.4 6.76 11 700 3169 10.8 4.8 66 6.0 7.2 130 7 314.4 315.9 294.0 338.6 7.73 12 691 3277 10.2 6.0 75 4.2 7.6 130 7 314.9 316.6 294.7 341.6 8.52 13 681 3398 10.4 0.4 50 10.0 4.9 130 7 316.5 317.6 293.0 334.9 5.79 14 639 3926 6.8 2.0 71 4.8 4.1 131 7 318.2 319.5 294.4 340.3 6.94 15 535 5365 -1.7 -11.7 46 10.0 -6.0 134 7 324.6 325.2 292.9 334.4 2.92 16 512 5713 -4.5 -9.5 68 5.0 -6.7 135 7 325.3 326.1 293.7 337.5 3.64 17 500 5900 -5.5 -11.5 63 6.0 -8.0 135 7 326.3 327.0 293.6 337.0 3.17 18 487 6106 -6.3 -10.0 75 3.7 -7.9 128 8 327.8 328.6 294.4 340.2 3.67 19 440 6893 -9.7 -28.7 20 19.0 -14.7 101 10 333.2 333.3 293.4 336.2 0.81 20 400 7620 -14.7 -23.7 46 9.0 -17.3 75 13 335.9 336.2 294.6 341.0 1.41 21 391 7792 -15.9 -22.9 55 7.0 -18.0 78 12 336.5 336.8 294.8 342.1 1.55 22 385 7909 -16.3 -28.3 35 12.0 -19.3 80 11 337.5 337.7 294.6 341.0 0.96 23 375 8106 -17.9 -24.9 54 7.0 -19.8 83 10 337.9 338.2 295.0 342.8 1.35 24 361 8390 -19.3 -33.3 28 14.0 -22.2 87 9 339.7 339.9 294.8 342.2 0.64 25 352 8577 -20.7 -26.7 59 6.0 -22.2 91 8 340.3 340.6 295.5 344.8 1.22 26 346 8704 -21.7 -31.7 40 10.0 -23.8 93 7 340.6 340.8 295.2 343.6 0.78 27 326 9140 -25.1 -32.1 52 7.0 -26.5 100 4 341.8 342.0 295.4 344.8 0.79 28 320 9275 -25.9 -41.9 21 16.0 -28.2 102 4 342.5 342.6 295.2 343.7 0.30 29 303 9669 -28.1 -51.1 9 23.0 -30.4 109 1 344.8 344.8 295.6 345.3 0.11 30 301 9716 -28.3 -50.3 10 22.0 -30.6 110 1 345.2 345.2 295.7 345.7 0.13 31 300 9740 -28.7 -50.7 10 22.0 -30.9 110 1 344.9 345.0 295.6 345.4 0.12 32 250 11020 -39.1 -49.1 34 10.0 -39.9 75 9 347.9 348.0 296.3 348.7 0.18 33 208 12246 -50.1 -57.1 43 7.0 -50.4 96 9 349.5 349.5 296.6 349.8 0.08 34 200 12500 -52.1 -59.1 43 7.0 -52.3 100 9 350.3 350.3 296.7 350.5 0.07 35 197 12598 -53.1 -60.1 42 7.0 -53.3 101 9 350.2 350.2 296.7 350.4 0.06 36 194 12696 -53.5 -63.5 28 10.0 -53.8 102 9 351.1 351.1 296.9 351.3 0.04 37 189 12864 -54.9 -57.9 69 3.0 -55.0 103 9 351.5 351.5 297.0 351.8 0.08 38 150 14300 -66.9 -72.9 42 6.0 -67.0 115 7 354.8 354.8 297.7 354.9 0.01 39 132 15063 -72.9 -81.9 24 9.0 -72.9 110 13 357.3 357.3 298.2 357.4 0.00 40 123 15476 -75.1 -82.1 33 7.0 -75.1 108 16 360.6 360.6 298.8 360.6 0.00 41 111 16069 -77.1 -82.1 45 5.0 -77.1 104 20 367.6 367.6 300.1 367.6 0.00 42 100 16670 -76.9 -84.9 27 8.0 -76.9 100 25 379.1 379.1 302.1 379.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 555.80 mb = 5076.80 m = 16655.97 ft Wetbulb zero: 596.83 mb = 4478.64 m = 14693.51 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 68.11 % Est. max temperature: 33.11 C = 91.60 F Sfc-Lift cond lev (LCL): 967.06 mb = 400.78 m = 1314.89 ft T: 24.09 C 700-500 lapse rate: 5.97 C/km ThetaE index: 17.03 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 850.59 mb = 1520.02 m = 4986.88 ft Mean mixing ratio: 16.08 g/kg Conv temperature: 33.42 C = 92.16 F Cap Strength: 2.51 C Lifted Index: -2.18 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.28 C Lifted Index @700 mb: 0.53 C Showalter Index: 0.46 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 19.80 C K Index: 32.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 208.60 Risk: None Energy Index: -0.96 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 219.48 J/kg Max Up Vert Vel: 20.95 m/s Conv Inhibition (B-): 64.43 J/kg Cap Strength: 2.51 C Lift Cond Lev (LCL): 902.28 mb = 1007.83 m = 3306.49 ft Lev Free Conv (LFC): 807.28 mb = 1966.35 m = 6451.20 ft Equ Level (EL): 777.28 mb = 2288.25 m = 7507.31 ft B at Equ Level: 21.09 J/kg Max Parcel Lev (MPL): 167.28 mb = 13622.23 m = 44691.82 ft Wind level data Storm motion: 141 at 7 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 9 85 5 -5.0 -0.4 | 5 6 -0.5 -6.0 1 1000 105 70 9 -8.5 -3.1 | 25 10 -4.0 -8.7 2 925 792 100 15 -14.8 2.6 | 74 11 -10.3 -3.0 3 850 1526 95 15 -14.9 1.3 | 68 11 -10.5 -4.3 4 700 3169 130 7 -5.4 4.5 | 38 1 -0.9 -1.1 5 500 5900 135 7 -4.9 4.9 | 35 1 -0.5 -0.7 6 400 7620 75 13 -12.6 -3.4 | 42 12 -8.1 -9.0 7 300 9740 110 1 -0.9 0.3 | 326 6 3.5 -5.3 8 250 11020 75 9 -8.7 -2.3 | 28 9 -4.2 -7.9 9 200 12500 100 9 -8.9 1.6 | 47 6 -4.4 -4.0 10 150 14300 115 7 -6.3 3.0 | 35 3 -1.9 -2.6 11 100 16670 100 25 -24.6 4.3 | 86 20 -20.1 -1.3 Wind Parameters Mean winds (0-6000m): 111.3 at 9.6 knts Storm direction: 141.3 at 7.2 knts Shear (0-3000m) pos: 1.0 neg: 0.2 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 56.5 deg Storm rel helicity (0-3000m) pos: 31.2 neg: -3.8 tot: 27.4 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 1.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 57.45 Bulk Shear: 3.82 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 80 10 36 9| 7.8 0.0 7.8| 17.6 0.0 17.6 35.3 0.81| 9.5 7.7 1000 91 12 55 9| 5.2 0.0 5.2| 28.0 -0.9 27.1 27.1 0.82| 6.9 5.7 1500 93 13 61 10| 3.5 0.3 3.8| 28.0 -3.2 24.8 16.5 0.71| 4.9 3.5 2000 95 13 63 10| 2.2 0.2 2.4| 30.6 -3.2 27.3 13.7 0.63| 4.6 2.9 2500 97 13 64 9| 1.5 0.2 1.6| 31.2 -3.2 28.0 11.2 0.55| 4.3 2.4 3000 99 12 64 8| 1.0 0.2 1.2| 31.2 -3.8 27.4 9.1 0.45| 4.1 1.8 4000 103 11 64 7| 0.8 0.1 0.9| 31.2 -4.1 27.1 6.8 0.40| 3.2 1.3 5000 108 10 64 6| 0.6 0.1 0.7| 31.2 -4.1 27.1 5.4 0.40| 2.6 1.0 6000 111 10 64 5| 0.5 0.1 0.6| 31.3 -4.1 27.2 4.5 0.40| 2.2 0.9 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251011.00.gif