UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 8 OCT 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 1010 7 28.4 22.4 70 6.0 24.0 40 1 300.7 303.8 296.8 351.0 17.13 1 1000 97 27.8 21.8 70 6.0 23.5 45 3 301.0 304.0 296.6 349.9 16.66 2 928 756 21.6 20.8 95 0.8 21.1 55 7 301.1 304.2 296.8 350.8 16.90 3 925 784 21.8 20.5 92 1.3 20.9 55 7 301.6 304.7 296.8 350.6 16.63 4 899 1032 21.0 14.0 64 7.0 16.4 55 9 303.2 305.3 293.5 336.6 11.25 5 858 1435 17.8 16.9 94 0.9 17.2 55 12 304.0 306.6 295.8 346.4 14.26 6 850 1515 17.6 15.5 87 2.1 16.2 55 13 304.6 307.0 295.2 343.8 13.14 7 764 2421 12.8 4.8 58 8.0 8.2 69 17 308.8 310.2 291.9 330.5 7.07 8 747 2610 11.4 7.2 75 4.2 8.9 72 18 309.3 310.9 293.2 335.5 8.56 9 726 2848 11.4 -0.6 43 12.0 5.0 75 19 311.8 312.8 291.0 327.7 5.05 10 715 2976 10.8 0.8 50 10.0 5.4 77 20 312.5 313.6 291.8 330.3 5.68 11 713 3000 10.4 5.9 74 4.5 7.7 78 20 312.4 313.9 293.7 337.7 8.20 12 710 3035 10.0 7.1 82 2.9 8.2 78 20 312.3 314.0 294.3 340.0 8.95 13 709 3047 10.0 6.7 80 3.3 8.0 78 20 312.4 314.1 294.1 339.4 8.72 14 700 3153 10.2 -5.8 32 16.0 2.5 80 21 313.8 314.5 290.3 325.1 3.54 15 695 3213 10.6 -14.4 16 25.0 0.4 81 21 314.9 315.2 289.0 320.8 1.80 16 665 3579 8.8 -4.2 40 13.0 2.2 84 20 316.8 317.7 291.8 330.4 4.21 17 657 3679 9.2 -19.8 11 29.0 -1.4 85 20 318.4 318.6 289.5 322.5 1.21 18 644 3845 8.8 -16.2 15 25.0 -1.1 86 20 319.8 320.1 290.4 325.4 1.67 19 611 4278 6.0 -20.0 13 26.0 -3.4 90 19 321.4 321.6 290.5 325.8 1.28 20 547 5175 0.2 -7.8 55 8.0 -3.6 98 18 324.8 325.6 293.7 337.8 3.89 21 540 5278 0.0 -15.0 31 15.0 -6.0 99 18 325.8 326.2 292.6 333.3 2.21 22 520 5579 -2.5 -9.5 59 7.0 -5.7 102 17 326.3 327.0 293.9 338.3 3.58 23 514 5671 -2.5 -16.5 33 14.0 -7.8 103 17 327.4 327.8 292.9 334.5 2.05 24 512 5702 -2.7 -10.7 54 8.0 -6.2 103 17 327.5 328.2 294.0 338.7 3.30 25 500 5890 -4.1 -9.1 68 5.0 -6.4 105 17 328.0 328.8 294.6 341.0 3.84 26 490 6049 -3.9 -21.9 23 18.0 -9.9 103 17 330.2 330.5 293.0 335.0 1.35 27 486 6114 -4.5 -16.5 39 12.0 -9.1 102 17 330.2 330.7 293.7 337.8 2.17 28 468 6410 -5.7 -28.7 14 23.0 -12.1 99 17 332.3 332.5 293.1 335.1 0.76 29 453 6664 -7.5 -21.5 32 14.0 -12.2 96 17 333.2 333.5 294.0 338.6 1.51 30 410 7432 -12.5 -35.5 13 23.0 -17.5 87 17 336.4 336.5 293.9 338.1 0.45 31 400 7620 -14.3 -34.3 17 20.0 -18.7 85 17 336.4 336.5 293.9 338.4 0.52 32 354 8531 -21.5 -40.5 16 19.0 -24.5 83 18 338.7 338.7 294.3 339.9 0.32 33 320 9267 -25.9 -52.9 6 27.0 -28.6 81 19 342.5 342.5 295.0 342.9 0.09 34 300 9730 -29.5 -48.5 14 19.0 -31.5 80 19 343.8 343.8 295.4 344.4 0.16 35 281 10196 -32.9 -51.9 13 19.0 -34.5 80 20 345.4 345.4 295.7 345.9 0.11 36 272 10425 -34.9 -43.9 39 9.0 -35.8 80 21 345.7 345.8 296.0 346.9 0.29 37 264 10633 -36.5 -52.5 18 16.0 -37.7 80 22 346.4 346.4 295.9 346.8 0.11 38 250 11010 -39.9 -57.9 13 18.0 -40.9 80 23 346.7 346.8 296.0 347.0 0.06 39 244 11175 -41.1 -60.1 11 19.0 -42.0 80 24 347.4 347.4 296.1 347.6 0.05 40 230 11572 -44.5 -60.5 15 16.0 -45.2 80 25 348.1 348.1 296.3 348.3 0.05 41 226 11688 -45.3 -61.3 15 16.0 -45.9 80 26 348.6 348.6 296.4 348.8 0.04 42 218 11927 -47.1 -51.4 61 4.3 -47.3 80 27 349.5 349.5 296.7 350.1 0.15 43 208 12235 -49.3 -53.3 63 4.0 -49.5 80 28 350.7 350.8 296.9 351.3 0.13 44 200 12490 -51.1 -56.1 55 5.0 -51.3 80 29 351.8 351.9 297.1 352.3 0.10 45 182 13099 -56.5 -60.2 63 3.7 -56.6 78 28 352.7 352.7 297.3 353.0 0.06 46 155 14101 -65.7 -71.7 43 6.0 -65.8 76 25 353.6 353.6 297.4 353.6 0.02 47 150 14300 -66.9 -73.9 37 7.0 -67.0 75 25 354.8 354.8 297.7 354.9 0.01 48 111 16050 -80.7 -85.1 47 4.4 -80.7 110 46 360.9 360.9 298.9 360.9 0.00 49 100 16640 -77.9 -83.9 37 6.0 -77.9 115 29 377.2 377.2 301.8 377.2 0.00 TRP 111 16050 -80.7 -85.1 47 4.4 -80.7 110 46 360.9 360.9 298.9 360.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 540.00 mb = 5278.10 m = 17316.41 ft Wetbulb zero: 660.13 mb = 3639.87 m = 11941.67 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 53.85 % Est. max temperature: 31.66 C = 88.98 F Sfc-Lift cond lev (LCL): 926.04 mb = 774.21 m = 2540.02 ft T: 21.73 C 700-500 lapse rate: 5.22 C/km ThetaE index: 19.12 C Layer 709.0- 665.0 mb Conv cond level (CCL): 881.06 mb = 1205.73 m = 3955.74 ft Mean mixing ratio: 16.51 g/kg Conv temperature: 31.28 C = 88.30 F Cap Strength: 1.46 C Lifted Index: -1.07 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.04 C Lifted Index @700 mb: -0.37 C Showalter Index: 1.15 C Risk: Showers probable Total Totals Index: 41.30 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 19.60 C K Index: 21.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 229.00 Risk: None Energy Index: -0.58 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 255.38 J/kg Max Up Vert Vel: 22.60 m/s Conv Inhibition (B-): 15.99 J/kg Cap Strength: 1.41 C Lift Cond Lev (LCL): 911.99 mb = 907.13 m = 2976.11 ft Lev Free Conv (LFC): 856.99 mb = 1444.76 m = 4739.97 ft Equ Level (EL): 686.99 mb = 3308.94 m = 10855.96 ft B at Equ Level: 44.38 J/kg Max Parcel Lev (MPL): 146.99 mb = 14417.88 m = 47302.19 ft Wind level data Storm motion: 111 at 12 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 1010 7 40 1 -0.6 -0.8 | 296 11 10.3 -5.0 1 1000 97 45 3 -2.1 -2.1 | 306 11 8.8 -6.3 2 925 784 55 7 -5.7 -4.0 | 328 10 5.2 -8.2 3 850 1515 55 13 -10.6 -7.5 | 359 12 0.3 -11.7 4 700 3153 80 21 -20.7 -3.6 | 51 13 -9.8 -7.9 5 500 5890 105 17 -16.4 4.4 | 92 6 -5.5 0.2 6 400 7620 85 17 -16.9 -1.5 | 47 8 -6.0 -5.7 7 300 9730 80 19 -18.7 -3.3 | 46 11 -7.8 -7.5 8 250 11010 80 23 -22.7 -4.0 | 55 14 -11.7 -8.2 9 200 12490 80 29 -28.6 -5.0 | 62 20 -17.7 -9.3 10 150 14300 75 25 -24.1 -6.5 | 51 17 -13.2 -10.7 11 111 16050 110 46 -43.2 15.7 | 110 34 -32.3 11.5 12 100 16640 115 29 -26.3 12.3 | 118 17 -15.4 8.0 Wind Parameters Mean winds (0-6000m): 81.2 at 15.6 knts Storm direction: 111.2 at 11.7 knts Shear (0-3000m) pos: 2.7 neg: 0.7 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 110.4 deg Storm rel helicity (0-3000m) pos: 62.5 neg: 0.0 tot: 62.5 m^2/s^2 ave: 20.8 10^-3 m/s^2 rel: 0.97 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 3.7 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 12.21 Bulk Shear: 20.92 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 48 4 310 11| 4.5 0.0 4.5| 12.1 0.0 12.1 24.2 0.96| 4.6 4.4 1000 53 5 318 10| 4.0 0.0 4.0| 21.1 0.0 21.1 21.1 0.97| 4.1 4.0 1500 54 7 329 10| 2.7 1.4 4.1| 31.6 0.0 31.6 21.1 0.95| 4.1 3.9 2000 56 9 339 10| 2.7 1.1 3.7| 41.2 0.0 41.2 20.6 0.96| 3.9 3.7 2500 60 11 349 10| 2.7 0.8 3.5| 51.4 0.0 51.4 20.6 0.97| 3.8 3.7 3000 64 12 359 9| 2.7 0.7 3.4| 62.5 0.0 62.5 20.8 0.97| 3.8 3.7 4000 71 14 15 9| 2.0 0.5 2.6| 71.5 0.0 71.5 17.9 0.93| 3.3 3.1 5000 77 15 26 9| 1.6 0.4 2.0| 76.5 0.0 76.5 15.3 0.90| 3.0 2.7 6000 81 16 34 8| 1.2 0.4 1.6| 79.7 -0.5 79.2 13.2 0.86| 2.8 2.4 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251008.12.gif