UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 15 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 1012 6 27.6 25.5 88 2.1 26.0 90 1 299.7 303.5 298.8 360.5 20.71 1 1000 111 27.0 24.9 88 2.1 25.4 65 3 300.1 303.8 298.6 359.5 20.21 2 979 299 25.2 24.5 96 0.7 24.7 90 5 300.2 303.8 298.6 359.4 20.15 3 954 527 24.4 21.1 82 3.3 22.1 119 7 301.6 304.7 296.8 350.9 16.74 4 925 798 22.4 19.8 85 2.6 20.6 155 9 302.2 305.1 296.5 349.2 15.91 5 871 1321 19.0 18.0 94 1.0 18.3 151 9 303.9 306.7 296.4 348.8 15.08 6 850 1531 18.0 16.5 91 1.5 17.0 150 9 305.0 307.6 296.0 346.9 14.03 7 700 3174 9.8 7.1 83 2.7 8.2 165 21 313.3 315.1 294.7 341.5 9.08 8 660 3663 7.6 3.9 77 3.7 5.4 158 20 316.2 317.7 294.4 340.4 7.70 9 536 5350 -2.9 -7.8 69 4.9 -5.1 133 15 323.0 323.8 293.3 336.1 3.97 10 500 5900 -6.1 -16.1 45 10.0 -9.8 125 13 325.6 326.0 292.6 333.0 2.18 11 496 5962 -6.5 -17.5 41 11.0 -10.4 124 13 325.9 326.2 292.4 332.6 1.95 12 485 6137 -6.5 -25.5 21 19.0 -12.1 122 14 328.0 328.2 292.1 331.5 0.99 13 455 6630 -9.7 -26.7 24 17.0 -14.4 117 17 330.0 330.2 292.6 333.4 0.95 14 450 6715 -10.5 -20.5 44 10.0 -13.7 116 18 330.0 330.4 293.3 335.9 1.66 15 446 6783 -10.5 -29.5 19 19.0 -15.3 115 18 330.9 331.0 292.7 333.6 0.74 16 423 7187 -12.5 -35.5 13 23.0 -17.4 110 20 333.4 333.5 293.1 335.0 0.44 17 417 7296 -13.3 -25.3 36 12.0 -16.7 109 21 333.7 333.9 293.8 338.0 1.17 18 415 7332 -13.3 -37.3 11 24.0 -18.1 108 21 334.2 334.2 293.2 335.6 0.37 19 400 7610 -15.3 -36.3 15 21.0 -19.5 105 23 335.1 335.2 293.5 336.7 0.43 20 383 7938 -16.9 -38.9 13 22.0 -20.9 103 24 337.2 337.3 294.0 338.5 0.34 21 352 8568 -22.1 -27.1 64 5.0 -23.3 98 25 338.4 338.7 295.0 342.8 1.18 22 350 8610 -22.5 -34.5 33 12.0 -24.8 98 25 338.4 338.5 294.5 340.7 0.59 23 346 8694 -22.7 -35.7 30 13.0 -25.1 97 25 339.3 339.4 294.6 341.3 0.53 24 337 8888 -24.5 -28.5 69 4.0 -25.4 96 25 339.4 339.6 295.1 343.4 1.08 25 327 9108 -25.1 -35.1 39 10.0 -26.9 94 26 341.5 341.6 295.2 343.8 0.59 26 324 9175 -25.7 -31.7 57 6.0 -26.9 94 26 341.6 341.7 295.4 344.7 0.83 27 319 9288 -26.3 -37.3 35 11.0 -28.1 93 26 342.3 342.4 295.3 344.1 0.49 28 314 9402 -27.3 -33.3 57 6.0 -28.4 92 26 342.4 342.6 295.6 345.2 0.73 29 300 9730 -29.9 -42.9 27 13.0 -31.5 90 27 343.2 343.3 295.4 344.4 0.29 30 296 9825 -30.5 -48.5 16 18.0 -32.3 87 27 343.7 343.7 295.4 344.4 0.16 31 284 10117 -32.9 -45.9 26 13.0 -34.3 78 26 344.4 344.4 295.6 345.3 0.22 32 277 10292 -34.5 -38.4 68 3.9 -35.0 73 25 344.5 344.6 295.8 346.5 0.50 33 269 10496 -35.9 -38.9 74 3.0 -36.3 66 25 345.4 345.5 296.0 347.3 0.49 34 250 11000 -39.7 -44.3 61 4.6 -40.1 50 23 347.0 347.1 296.3 348.2 0.30 35 244 11165 -40.9 -45.0 65 4.1 -41.2 43 22 347.7 347.7 296.4 348.8 0.28 36 236 11390 -43.1 -46.2 71 3.1 -43.3 35 21 347.7 347.7 296.4 348.7 0.26 37 234 11448 -43.3 -52.3 36 9.0 -43.8 32 21 348.2 348.2 296.4 348.8 0.13 38 226 11680 -45.5 -50.5 57 5.0 -45.8 23 20 348.3 348.4 296.4 349.0 0.17 39 224 11739 -46.1 -57.1 28 11.0 -46.6 20 20 348.3 348.3 296.3 348.6 0.08 40 200 12480 -52.9 -57.9 55 5.0 -53.1 350 17 349.0 349.0 296.5 349.3 0.08 41 189 12842 -56.1 -60.3 59 4.2 -56.2 8 17 349.5 349.5 296.6 349.8 0.06 42 176 13290 -60.5 -64.8 57 4.3 -60.6 30 17 349.5 349.5 296.5 349.7 0.04 43 174 13361 -61.3 -66.3 51 5.0 -61.4 34 17 349.3 349.3 296.5 349.5 0.03 44 167 13615 -62.1 -71.1 29 9.0 -62.2 46 17 352.1 352.1 297.1 352.2 0.02 45 155 14072 -65.7 -69.9 56 4.2 -65.7 70 17 353.6 353.6 297.4 353.7 0.02 46 150 14270 -67.3 -72.0 51 4.7 -67.4 80 17 354.2 354.2 297.5 354.2 0.02 47 136 14855 -71.1 -81.1 21 10.0 -71.1 79 19 357.5 357.5 298.2 357.5 0.00 48 126 15306 -72.5 -85.5 12 13.0 -72.5 78 20 362.9 362.9 299.2 362.9 0.00 49 100 16640 -79.7 -85.7 36 6.0 -79.7 75 25 373.7 373.7 301.2 373.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 570.25 mb = 4884.24 m = 16024.20 ft Wetbulb zero: 596.39 mb = 4484.51 m = 14712.79 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 79.92 % Est. max temperature: 32.27 C = 90.09 F Sfc-Lift cond lev (LCL): 982.16 mb = 270.49 m = 887.44 ft T: 25.47 C 700-500 lapse rate: 5.83 C/km ThetaE index: 28.99 C Layer 1000.0- 455.0 mb Conv cond level (CCL): 911.71 mb = 923.73 m = 3030.56 ft Mean mixing ratio: 18.04 g/kg Conv temperature: 30.51 C = 86.91 F Cap Strength: 0.91 C Lifted Index: -4.65 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.79 C Lifted Index @700 mb: -1.94 C Showalter Index: -2.02 C Risk: Severe thunderstorms possible Total Totals Index: 46.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 22.60 C K Index: 37.90 Risk: > 80 % chance of thunderstorms Sweat Index: 229.00 Risk: None Energy Index: -2.70 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1517.69 J/kg Max Up Vert Vel: 55.09 m/s Conv Inhibition (B-): 9.50 J/kg Cap Strength: 0.91 C Lift Cond Lev (LCL): 931.87 mb = 733.10 m = 2405.17 ft Lev Free Conv (LFC): 886.87 mb = 1163.76 m = 3818.08 ft Equ Level (EL): 146.87 mb = 14396.13 m = 47230.81 ft B at Equ Level: 1509.09 J/kg Wind level data Storm motion: 182 at 11 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 1012 6 90 1 -1.0 0.0 | 8 11 -1.4 -10.5 1 1000 111 65 3 -2.7 -1.3 | 15 12 -3.1 -11.8 2 925 798 155 9 -3.8 8.2 | 61 5 -4.2 -2.3 3 850 1531 150 9 -4.5 7.8 | 61 6 -4.9 -2.7 4 700 3174 165 21 -5.4 20.3 | 149 11 -5.8 9.8 5 500 5900 125 13 -10.6 7.5 | 75 11 -11.1 -3.0 6 400 7610 105 23 -22.2 6.0 | 79 23 -22.6 -4.5 7 300 9730 90 27 -27.0 0.0 | 69 29 -27.4 -10.5 8 250 11000 50 23 -17.6 -14.8 | 35 31 -18.0 -25.3 9 200 12480 350 17 3.0 -16.7 | 355 27 2.5 -27.2 10 150 14270 80 17 -16.7 -3.0 | 52 22 -17.2 -13.4 11 100 16640 75 25 -24.1 -6.5 | 55 30 -24.6 -17.0 Wind Parameters Mean winds (0-6000m): 152.2 at 14.0 knts Storm direction: 182.2 at 10.5 knts Shear (0-3000m) pos: 3.4 neg: 0.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 136.8 deg Storm rel helicity (0-3000m) pos: 42.1 neg: -0.0 tot: 42.1 m^2/s^2 ave: 14.0 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.2 10^-3/s Energy-Hel index: 0.28 Bulk Rich Number: 78.62 Bulk Shear: 19.30 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 98 4 24 11| 5.7 0.0 5.7| 18.6 0.0 18.6 37.2 0.82| 7.8 6.4 1000 141 6 37 7| 4.4 0.0 4.4| 24.3 0.0 24.3 24.3 0.67| 7.0 4.7 1500 146 7 44 6| 2.9 0.2 3.1| 24.3 -0.0 24.3 16.2 0.65| 4.8 3.1 2000 148 8 51 6| 3.1 0.1 3.3| 29.5 -0.0 29.5 14.7 0.71| 4.5 3.2 2500 151 9 64 5| 3.3 0.1 3.4| 35.3 -0.0 35.3 14.1 0.74| 4.4 3.3 3000 155 11 82 5| 3.4 0.1 3.5| 42.1 -0.0 42.1 14.0 0.74| 4.3 3.2 4000 157 13 105 6| 2.5 0.6 3.1| 44.1 -13.4 30.6 7.7 0.47| 4.0 1.9 5000 155 14 108 7| 2.0 0.9 3.0| 44.1 -28.4 15.7 3.1 0.26| 3.8 1.0 6000 152 14 105 7| 1.7 1.1 2.8| 44.9 -40.6 4.2 0.7 0.14| 3.5 0.5 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251015.00.gif