UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 16 OCT 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 119 SFC 960 476 23.0 22.3 96 0.7 22.5 0 0 299.6 302.9 297.1 352.1 17.93 2 925 800 21.8 20.3 91 1.5 20.8 75 1 301.6 304.6 296.6 350.0 16.42 3 905 990 21.2 18.7 86 2.5 19.5 87 4 302.9 305.7 296.1 347.8 15.17 4 850 1532 17.4 16.6 95 0.8 16.8 120 13 304.4 307.0 295.8 346.4 14.12 5 841 1623 16.6 16.3 98 0.3 16.4 123 13 304.5 307.1 295.8 346.2 14.00 6 717 2973 10.4 7.5 82 2.9 8.6 168 17 311.9 313.6 294.3 340.0 9.11 7 700 3173 9.0 7.6 91 1.4 8.1 175 17 312.5 314.2 294.7 341.5 9.40 8 676 3461 6.8 6.8 100 0.0 6.8 173 16 313.1 314.9 294.7 341.7 9.22 9 517 5626 -3.9 -5.2 91 1.3 -4.6 157 12 325.2 326.2 294.7 341.8 5.03 10 514 5672 -3.9 -6.7 81 2.8 -5.3 157 11 325.7 326.6 294.5 340.7 4.51 11 500 5890 -5.3 -6.6 91 1.3 -5.9 155 11 326.6 327.5 294.8 342.1 4.67 12 459 6555 -10.5 -10.5 100 0.0 -10.5 151 8 328.2 328.9 294.5 340.8 3.75 13 456 6606 -8.9 -11.0 85 2.1 -9.8 151 8 330.8 331.5 295.1 343.2 3.62 14 436 6953 -10.3 -14.0 74 3.7 -11.8 149 6 333.3 333.9 295.2 343.6 2.97 15 420 7239 -12.7 -13.7 92 1.0 -13.1 147 5 333.8 334.4 295.4 344.8 3.16 16 411 7404 -13.9 -17.5 74 3.6 -15.2 146 4 334.3 334.8 295.0 342.6 2.36 17 408 7460 -14.3 -14.9 95 0.6 -14.5 146 4 334.5 335.1 295.4 344.8 2.95 18 400 7610 -15.3 -17.4 84 2.1 -16.0 145 3 335.1 335.6 295.2 343.7 2.44 19 398 7648 -15.7 -18.2 81 2.5 -16.6 145 3 335.1 335.5 295.1 343.2 2.29 20 396 7686 -15.9 -19.7 73 3.8 -17.1 145 3 335.3 335.7 294.9 342.5 2.03 21 395 7705 -15.7 -23.7 50 8.0 -18.0 145 3 335.8 336.1 294.6 341.0 1.43 22 390 7800 -16.1 -18.6 81 2.5 -17.0 146 4 336.5 337.0 295.4 344.5 2.26 23 388 7839 -16.1 -27.1 38 11.0 -19.0 146 4 337.0 337.2 294.6 340.9 1.07 24 384 7917 -16.7 -25.7 46 9.0 -19.1 146 4 337.2 337.4 294.7 341.7 1.23 25 382 7956 -17.1 -19.5 82 2.4 -17.9 147 4 337.2 337.6 295.4 344.8 2.14 26 379 8015 -16.7 -29.7 32 13.0 -19.8 147 4 338.5 338.6 294.7 341.7 0.86 27 376 8075 -16.9 -22.9 60 6.0 -18.7 147 4 339.0 339.3 295.5 344.8 1.61 28 371 8175 -17.1 -28.1 38 11.0 -19.9 148 5 340.0 340.2 295.2 343.8 1.02 29 366 8276 -17.9 -22.9 65 5.0 -19.4 148 5 340.3 340.6 295.8 346.3 1.66 30 341 8801 -21.1 -42.1 13 21.0 -24.4 151 6 342.9 342.9 295.3 344.0 0.28 31 338 8866 -21.3 -40.3 16 19.0 -24.5 151 7 343.5 343.5 295.4 344.8 0.34 32 300 9730 -29.7 -39.7 37 10.0 -31.1 155 9 343.5 343.6 295.6 345.1 0.40 33 274 10373 -34.7 -40.7 54 6.0 -35.4 73 6 345.3 345.4 296.0 346.9 0.40 34 258 10793 -37.9 -49.9 27 12.0 -38.8 19 4 346.6 346.6 296.0 347.2 0.15 35 253 10928 -39.1 -49.1 34 10.0 -39.9 1 3 346.7 346.8 296.1 347.5 0.17 36 250 11010 -40.1 -45.1 59 5.0 -40.5 350 3 346.4 346.5 296.1 347.6 0.27 37 248 11065 -40.7 -43.2 77 2.5 -40.9 353 3 346.4 346.4 296.1 347.7 0.34 38 244 11175 -41.3 -50.3 37 9.0 -41.9 358 3 347.1 347.1 296.1 347.7 0.16 39 236 11400 -43.3 -49.3 52 6.0 -43.7 8 4 347.4 347.4 296.2 348.1 0.18 40 205 12330 -51.3 -63.3 23 12.0 -51.6 52 5 349.1 349.1 296.4 349.2 0.04 41 200 12490 -52.7 -61.7 33 9.0 -52.9 60 5 349.3 349.3 296.5 349.5 0.05 42 185 12987 -57.1 -63.1 46 6.0 -57.2 60 6 350.1 350.1 296.7 350.2 0.04 43 150 14280 -67.1 -74.1 36 7.0 -67.1 60 9 354.5 354.5 297.6 354.5 0.01 44 136 14866 -72.3 -76.0 57 3.7 -72.3 70 10 355.4 355.4 297.8 355.4 0.01 45 122 15501 -75.9 -78.9 62 3.0 -75.9 81 10 360.0 360.0 298.7 360.0 0.01 46 115 15842 -76.9 -82.9 38 6.0 -76.9 88 10 364.3 364.3 299.5 364.3 0.00 47 112 15994 -77.5 -84.5 32 7.0 -77.5 90 11 365.9 365.9 299.8 365.9 0.00 48 102 16528 -80.1 -85.1 43 5.0 -80.1 100 11 370.9 370.9 300.7 370.9 0.00 49 100 16640 -79.7 -85.7 36 6.0 -79.7 95 13 373.7 373.7 301.2 373.8 0.00 TRP 102 16528 -80.1 -85.1 43 5.0 -80.1 100 11 370.9 370.9 300.7 370.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 574.95 mb = 4837.05 m = 15869.41 ft Wetbulb zero: 580.65 mb = 4688.76 m = 15382.87 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 92.46 % Est. max temperature: 29.49 C = 85.09 F Sfc-Lift cond lev (LCL): 950.61 mb = 561.69 m = 1842.79 ft T: 22.68 C 700-500 lapse rate: 5.26 C/km ThetaE index: 12.12 C Layer 925.0- 700.0 mb Conv cond level (CCL): 867.83 mb = 1352.63 m = 4437.71 ft Mean mixing ratio: 15.77 g/kg Conv temperature: 27.21 C = 80.97 F Cap Strength: 1.02 C Lifted Index: -1.98 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.72 C Lifted Index @700 mb: -1.27 C Showalter Index: -1.04 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 21.90 C K Index: 37.90 Risk: > 80 % chance of thunderstorms Sweat Index: 236.20 Risk: None Energy Index: -0.95 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 430.42 J/kg Max Up Vert Vel: 29.34 m/s Conv Inhibition (B-): 10.20 J/kg Cap Strength: 1.02 C Lift Cond Lev (LCL): 888.42 mb = 1150.04 m = 3773.05 ft Lev Free Conv (LFC): 843.42 mb = 1598.56 m = 5244.55 ft Equ Level (EL): 363.42 mb = 8328.78 m = 27325.06 ft B at Equ Level: 395.48 J/kg Max Parcel Lev (MPL): 123.42 mb = 15432.83 m = 50632.02 ft Wind level data Storm motion: 188 at 9 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 ---------------------------------------------------------- 0 960 476 0 0 -0.0 -0.0 | 8 9 -1.3 -9.2 1 925 800 75 1 -1.0 -0.3 | 13 10 -2.2 -9.4 2 850 1532 120 13 -11.3 6.5 | 78 13 -12.5 -2.7 3 700 3173 175 17 -1.5 16.9 | 160 8 -2.8 7.8 4 500 5890 155 11 -4.6 10.0 | 98 6 -5.9 0.8 5 400 7610 145 3 -1.7 2.5 | 24 7 -3.0 -6.7 6 300 9730 155 9 -3.8 8.2 | 79 5 -5.1 -1.0 7 250 11010 350 3 0.5 -3.0 | 4 12 -0.8 -12.1 8 200 12490 60 5 -4.3 -2.5 | 26 13 -5.6 -11.7 9 150 14280 60 9 -7.8 -4.5 | 34 16 -9.1 -13.7 10 102 16528 100 11 -10.8 1.9 | 59 14 -12.1 -7.2 11 100 16640 95 13 -13.0 1.1 | 61 16 -14.2 -8.0 Wind Parameters Mean winds (0-6000m): 158.0 at 12.3 knts Storm direction: 188.0 at 9.2 knts Shear (0-3000m) pos: 2.8 neg: 0.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 146.7 deg Storm rel helicity (0-3000m) pos: 79.3 neg: -1.7 tot: 77.6 m^2/s^2 ave: 25.9 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.7 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 22.16 Bulk Shear: 19.42 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 81 1 15 10| 4.0 0.0 4.0| 9.7 0.0 9.7 19.4 0.89| 4.2 3.7 1000 112 5 37 9| 6.2 0.0 6.2| 38.1 0.0 38.1 38.1 0.95| 6.9 6.6 1500 122 7 56 9| 4.8 0.0 4.8| 52.7 0.0 52.7 35.1 0.95| 6.3 5.9 2000 131 9 70 9| 3.9 0.0 3.9| 64.0 0.0 64.0 32.0 0.94| 5.8 5.5 2500 141 11 84 8| 3.4 0.0 3.4| 75.0 0.0 75.0 30.0 0.95| 5.7 5.4 3000 149 12 97 7| 2.8 0.0 2.8| 79.3 -1.7 77.6 25.9 0.89| 5.2 4.7 4000 156 13 110 7| 2.1 0.4 2.5| 79.3 -6.8 72.5 18.1 0.73| 4.3 3.2 5000 158 13 113 7| 1.7 0.6 2.3| 79.3 -11.3 68.0 13.6 0.60| 3.7 2.2 6000 158 12 111 6| 1.4 0.8 2.2| 79.3 -17.2 62.2 10.4 0.45| 3.4 1.5 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251016.00.gif