UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102200.upa.cvt Date: 0000Z 22 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 22 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 1015 10 21.8 15.8 69 6.0 17.9 45 13 293.7 295.7 290.5 325.6 11.19 1 1000 138 20.6 14.6 68 6.0 16.7 25 40 293.8 295.6 289.9 323.8 10.50 2 925 805 14.2 13.4 95 0.8 13.7 25 38 293.8 295.7 289.9 323.9 10.50 3 901 1028 13.0 12.8 99 0.2 12.9 37 34 294.8 296.7 290.2 324.6 10.36 4 872 1305 16.0 15.1 94 0.9 15.4 53 29 300.7 303.0 293.7 337.3 12.47 5 850 1523 15.4 15.4 100 0.0 15.4 65 25 302.3 304.7 294.5 340.8 13.06 6 838 1644 15.4 15.4 100 0.0 15.4 65 25 303.5 306.0 295.0 342.8 13.25 7 724 2874 9.0 8.9 99 0.1 8.9 61 25 309.5 311.3 294.3 339.8 9.94 8 700 3154 8.0 7.4 96 0.6 7.6 60 25 311.3 313.1 294.3 339.9 9.27 9 645 3830 6.4 3.2 80 3.2 4.5 53 23 316.9 318.3 294.4 340.6 7.49 10 642 3868 6.6 3.0 78 3.6 4.5 52 22 317.6 319.0 294.6 341.1 7.42 11 566 4894 0.2 -2.8 80 3.0 -1.4 41 19 321.7 322.8 294.2 339.6 5.51 12 554 5066 0.6 -5.4 64 6.0 -2.4 39 18 324.1 325.0 294.1 339.4 4.62 13 551 5110 1.4 -13.6 32 15.0 -4.8 39 18 325.6 326.1 292.7 333.8 2.43 14 547 5169 1.2 -18.8 21 20.0 -6.1 38 18 326.0 326.3 292.1 331.5 1.58 15 525 5499 -0.9 -27.9 11 27.0 -8.8 34 16 327.3 327.5 291.7 330.0 0.73 16 508 5763 -0.5 -31.5 7 31.0 -9.1 31 15 330.9 331.0 292.5 332.9 0.54 17 500 5890 -1.5 -30.5 9 29.0 -9.6 30 15 331.2 331.3 292.6 333.5 0.60 18 426 7139 -11.3 -28.3 23 17.0 -15.8 16 15 334.2 334.4 293.7 337.4 0.87 19 410 7432 -12.3 -36.3 12 24.0 -17.4 12 15 336.6 336.7 293.9 338.2 0.42 20 400 7620 -12.9 -39.9 8 27.0 -18.1 10 15 338.2 338.3 294.1 339.4 0.30 21 386 7890 -14.3 -42.3 7 28.0 -19.3 359 14 339.8 339.9 294.5 340.8 0.24 22 302 9693 -28.9 -47.9 14 19.0 -31.0 287 3 344.0 344.0 295.4 344.7 0.17 23 300 9740 -29.1 -48.1 14 19.0 -31.2 285 3 344.4 344.4 295.5 345.0 0.16 24 269 10512 -34.5 -61.5 5 27.0 -36.1 252 8 347.4 347.4 296.1 347.6 0.04 25 250 11020 -38.1 -46.1 43 8.0 -38.8 230 11 349.4 349.5 296.7 350.4 0.24 26 242 11243 -39.5 -43.6 65 4.1 -39.9 217 12 350.6 350.7 297.1 351.9 0.33 27 231 11560 -41.7 -45.6 66 3.9 -42.1 198 13 351.9 352.0 297.3 353.1 0.28 28 228 11649 -42.3 -49.3 46 7.0 -42.8 193 13 352.3 352.4 297.3 353.1 0.19 29 211 12168 -46.9 -50.8 64 3.9 -47.1 162 16 353.1 353.1 297.4 353.8 0.17 30 207 12294 -48.1 -56.1 39 8.0 -48.4 154 16 353.1 353.1 297.4 353.5 0.09 31 200 12520 -50.5 -56.5 49 6.0 -50.7 140 17 352.8 352.8 297.3 353.2 0.09 32 197 12618 -51.3 -55.2 63 3.9 -51.5 141 17 353.1 353.1 297.4 353.5 0.11 33 195 12684 -51.9 -58.9 43 7.0 -52.1 142 17 353.1 353.1 297.4 353.4 0.07 34 165 13740 -62.1 -68.1 44 6.0 -62.2 157 20 353.3 353.3 297.4 353.4 0.02 35 150 14320 -67.9 -72.9 49 5.0 -67.9 165 21 353.1 353.1 297.3 353.2 0.01 36 144 14565 -70.1 -76.1 41 6.0 -70.1 184 22 353.4 353.4 297.4 353.5 0.01 37 112 16025 -80.7 -86.7 36 6.0 -80.7 298 32 359.9 359.9 298.7 360.0 0.00 38 108 16230 -82.3 -89.3 29 7.0 -82.3 315 33 360.7 360.7 298.8 360.7 0.00 39 103 16499 -76.9 -87.9 16 11.0 -76.9 10 28 376.0 376.0 301.6 376.0 0.00 40 100 16670 -76.5 -88.5 13 12.0 -76.5 45 25 379.9 379.9 302.2 379.9 0.00 TRP 108 16230 -82.3 -89.3 29 7.0 -82.3 315 33 360.7 360.7 298.8 360.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5752.00 m Freezing level: 534.43 mb = 5357.61 m = 17577.26 ft Wetbulb zero: 583.81 mb = 4641.65 m = 15228.34 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 78.34 % Est. max temperature: 29.33 C = 84.80 F Sfc-Lift cond lev (LCL): 929.16 mb = 766.60 m = 2515.07 ft T: 14.57 C 700-500 lapse rate: 3.47 C/km ThetaE index: 3.05 C Layer 724.0- 700.0 mb Conv cond level (CCL): 903.06 mb = 1008.16 m = 3307.58 ft Mean mixing ratio: 10.55 g/kg Conv temperature: 22.83 C = 73.10 F Cap Strength: 12.90 C Lifted Index: 12.75 C Risk: None Lifted Index @300 mb: 15.12 C Lifted Index @700 mb: 5.93 C Showalter Index: 4.93 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 16.90 C Cross Totals Index: 16.90 C K Index: 31.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 249.80 Risk: None Energy Index: -1.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.71 J/kg Max Up Vert Vel: 1.19 m/s Conv Inhibition (B-): 8620.13 J/kg Cap Strength: 12.88 C Lift Cond Lev (LCL): 915.51 mb = 892.33 m = 2927.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 77 at 19 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 1015 10 45 13 -9.2 -9.2 | 299 10 8.9 -4.9 1 1000 138 25 40 -16.9 -36.3 | 358 32 1.2 -32.0 2 925 805 25 38 -16.1 -34.4 | 356 30 2.0 -30.2 3 850 1523 65 25 -22.7 -10.6 | 36 8 -4.6 -6.3 4 700 3154 60 25 -21.7 -12.5 | 23 9 -3.6 -8.2 5 500 5890 30 15 -7.5 -13.0 | 309 14 10.6 -8.7 6 400 7620 10 15 -2.6 -14.8 | 304 19 15.5 -10.5 7 300 9740 285 3 2.9 -0.8 | 261 21 21.0 3.5 8 250 11020 230 11 8.4 7.1 | 247 29 26.5 11.3 9 200 12520 140 17 -10.9 13.0 | 202 19 7.2 17.3 10 150 14320 165 21 -5.4 20.3 | 207 28 12.7 24.6 11 108 16230 315 33 23.3 -23.3 | 295 46 41.4 -19.1 12 100 16670 45 25 -17.7 -17.7 | 358 13 0.4 -13.4 Wind Parameters Mean winds (0-6000m): 46.7 at 24.8 knts Storm direction: 76.7 at 18.6 knts Shear (0-3000m) pos: 4.3 neg: 4.8 tot: 9.1 10-3/s Storm rel Dir Shear (0-3000m): 85.5 deg Storm rel helicity (0-3000m) pos: 123.5 neg: -9.5 tot: 114.0 m^2/s^2 ave: 38.0 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 4.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 32.35 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 26 36 355 28| 0.0 27.8 27.8| 60.9 -3.5 57.4 114.9 0.58| 31.8 18.5 1000 27 37 357 29| 4.4 13.9 18.3| 91.2 -6.0 85.1 85.1 0.55| 20.5 11.3 1500 32 34 0 25| 8.6 9.3 17.9|123.4 -6.0 117.4 78.2 0.52| 19.5 10.1 2000 38 32 4 21| 6.5 7.0 13.4|123.5 -7.0 116.5 58.3 0.50| 14.9 7.5 2500 42 31 8 19| 5.2 5.7 10.8|123.5 -8.2 115.3 46.1 0.49| 12.0 5.9 3000 45 30 10 17| 4.3 4.8 9.1|123.5 -9.5 114.0 38.0 0.47| 10.1 4.8 4000 47 28 10 15| 3.2 3.7 7.0|123.5 -21.7 101.8 25.5 0.36| 8.3 3.0 5000 47 27 6 14| 2.6 3.0 5.6|123.5 -35.4 88.1 17.6 0.26| 7.2 1.9 6000 47 25 360 13| 2.2 2.5 4.7|123.5 -48.3 75.2 12.5 0.19| 6.4 1.2 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251022.00.gif