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 VVDN... Searching the city database file for: VVDN ... Date:0000Z 15 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 1011 7 24.6 23.3 92 1.3 23.7 0 0 296.8 300.1 296.4 349.1 18.10 1 1000 102 25.2 23.4 90 1.8 23.9 0 0 298.4 301.7 297.1 352.0 18.41 2 993 164 25.8 23.0 85 2.8 23.8 9 1 299.6 302.9 297.2 352.5 18.09 3 966 407 23.8 23.6 99 0.2 23.7 47 4 299.9 303.4 298.0 356.6 19.32 4 925 787 21.8 20.8 94 1.0 21.1 105 9 301.6 304.7 297.0 351.6 16.95 5 867 1349 19.2 15.4 79 3.8 16.6 105 11 304.5 306.9 295.0 342.7 12.80 6 850 1520 18.2 15.5 84 2.7 16.4 105 11 305.2 307.7 295.4 344.5 13.14 7 806 1975 15.6 14.6 94 1.0 14.9 110 13 307.1 309.6 295.8 346.5 13.08 8 700 3166 10.8 5.8 71 5.0 7.8 125 17 314.4 316.0 294.4 340.3 8.29 9 683 3371 10.0 2.0 57 8.0 5.5 125 17 315.8 317.0 293.4 336.3 6.49 10 620 4169 4.6 0.7 76 3.9 2.4 125 15 318.4 319.7 294.1 339.2 6.51 11 604 4382 3.6 -3.4 60 7.0 0.0 125 14 319.7 320.6 293.2 335.6 4.93 12 533 5386 -3.1 -5.3 85 2.2 -4.2 125 12 323.3 324.2 294.1 339.2 4.84 13 512 5704 -5.3 -8.0 81 2.7 -6.5 125 11 324.4 325.2 293.8 337.9 4.09 14 500 5890 -5.7 -10.4 69 4.7 -7.7 125 11 326.1 326.8 293.7 337.7 3.47 15 474 6308 -7.7 -17.7 45 10.0 -11.3 117 10 328.6 329.0 293.2 335.6 2.01 16 466 6440 -8.5 -15.5 57 7.0 -11.2 114 10 329.2 329.7 293.7 337.7 2.46 17 462 6507 -8.7 -20.7 37 12.0 -12.6 113 10 329.8 330.1 293.2 335.4 1.59 18 452 6677 -9.7 -19.7 44 10.0 -13.0 109 9 330.6 331.0 293.5 336.9 1.77 19 451 6694 -9.7 -18.7 48 9.0 -12.8 109 9 330.8 331.2 293.7 337.6 1.94 20 433 7008 -12.1 -18.1 61 6.0 -14.2 102 8 331.7 332.1 294.1 339.1 2.12 21 400 7610 -16.5 -23.5 55 7.0 -18.5 90 7 333.5 333.8 294.0 338.7 1.44 22 384 7915 -18.7 -27.7 45 9.0 -20.9 87 10 334.6 334.8 293.9 338.3 1.02 23 382 7954 -19.1 -25.1 59 6.0 -20.7 87 10 334.5 334.8 294.1 339.3 1.30 24 358 8434 -21.1 -39.1 18 18.0 -24.1 82 14 338.1 338.2 294.2 339.5 0.36 25 311 9454 -29.5 -44.5 22 15.0 -31.2 73 23 340.3 340.3 294.6 341.2 0.23 26 300 9710 -30.9 -52.9 10 22.0 -32.8 70 25 341.8 341.8 294.8 342.2 0.09 27 262 10658 -36.5 -64.5 4 28.0 -37.9 59 36 347.1 347.1 296.0 347.2 0.02 28 250 10980 -39.3 -63.3 6 24.0 -40.4 55 40 347.6 347.6 296.1 347.8 0.03 29 200 12460 -52.7 -69.7 11 17.0 -53.0 45 38 349.3 349.3 296.5 349.4 0.02 30 177 13240 -58.9 -71.9 17 13.0 -59.0 60 31 351.6 351.6 297.0 351.6 0.01 31 166 13640 -62.5 -72.5 25 10.0 -62.6 68 27 352.1 352.1 297.1 352.1 0.01 32 150 14260 -66.7 -74.7 32 8.0 -66.8 80 21 355.2 355.2 297.7 355.2 0.01 33 137 14804 -70.5 -76.5 41 6.0 -70.5 82 17 357.8 357.8 298.2 357.8 0.01 34 126 15297 -73.3 -81.3 28 8.0 -73.3 84 14 361.4 361.4 299.0 361.4 0.00 35 100 16630 -79.5 -86.5 30 7.0 -79.5 90 5 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 565.85 mb = 4921.26 m = 16145.68 ft Wetbulb zero: 603.67 mb = 4385.98 m = 14389.53 ft Precipitable water: 2.27 inches Sfc-500 mean rel hum: 79.36 % Est. max temperature: 32.57 C = 90.63 F Sfc-Lift cond lev (LCL): 992.46 mb = 168.94 m = 554.27 ft T: 25.76 C 700-500 lapse rate: 6.06 C/km ThetaE index: 13.89 C Layer 925.0- 850.0 mb Conv cond level (CCL): 925.96 mb = 777.91 m = 2552.17 ft Mean mixing ratio: 18.06 g/kg Conv temperature: 29.35 C = 84.83 F Cap Strength: 0.57 C Lifted Index: -3.87 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.26 C Lifted Index @700 mb: -0.65 C Showalter Index: -0.71 C Risk: Thunderstorms probable Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 21.20 C K Index: 34.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 219.00 Risk: None Energy Index: -1.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1276.10 J/kg Max Up Vert Vel: 50.52 m/s Conv Inhibition (B-): 6.80 J/kg Cap Strength: 0.57 C Lift Cond Lev (LCL): 944.70 mb = 602.45 m = 1976.52 ft Lev Free Conv (LFC): 869.70 mb = 1322.19 m = 4337.84 ft Equ Level (EL): 159.70 mb = 13876.44 m = 45525.83 ft B at Equ Level: 1274.21 J/kg Wind level data Storm motion: 150 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 1011 7 0 0 -0.0 -0.0 | 330 9 4.6 -7.9 1 1000 102 0 0 -0.0 -0.0 | 330 9 4.6 -7.9 2 925 787 105 9 -8.7 2.3 | 36 7 -4.1 -5.6 3 850 1520 105 11 -10.6 2.8 | 50 8 -6.0 -5.1 4 700 3166 125 17 -13.9 9.8 | 101 9 -9.3 1.8 5 500 5890 125 11 -9.0 6.3 | 70 5 -4.4 -1.6 6 400 7610 90 7 -7.0 0.0 | 17 8 -2.4 -7.9 7 300 9710 70 25 -23.5 -8.6 | 49 25 -18.9 -16.5 8 250 10980 55 40 -32.8 -22.9 | 42 42 -28.2 -30.9 9 200 12460 45 38 -26.9 -26.9 | 33 41 -22.3 -34.8 10 150 14260 80 21 -20.7 -3.6 | 54 20 -16.1 -11.6 11 100 16630 90 5 -5.0 0.0 | 3 8 -0.4 -7.9 Wind Parameters Mean winds (0-6000m): 119.9 at 12.2 knts Storm direction: 149.9 at 9.2 knts Shear (0-3000m) pos: 2.6 neg: 0.2 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 126.6 deg Storm rel helicity (0-3000m) pos: 46.6 neg: 0.0 tot: 46.6 m^2/s^2 ave: 15.5 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 3.4 10^-3/s Energy-Hel index: 0.29 Bulk Rich Number: 76.51 Bulk Shear: 16.68 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 62 2 343 9| 5.5 0.0 5.5| 15.4 0.0 15.4 30.8 0.91| 6.4 5.8 1000 105 5 3 7| 4.9 0.0 4.9| 29.1 0.0 29.1 29.1 0.87| 6.8 6.0 1500 105 7 18 6| 3.3 0.5 3.8| 31.5 0.0 31.5 21.0 0.87| 5.0 4.4 2000 106 8 29 7| 2.9 0.4 3.3| 36.1 0.0 36.1 18.0 0.89| 4.3 3.8 2500 109 9 40 6| 2.7 0.3 3.0| 41.1 0.0 41.1 16.4 0.90| 3.9 3.5 3000 112 10 51 6| 2.6 0.2 2.8| 46.6 0.0 46.6 15.5 0.91| 3.7 3.4 4000 117 12 66 6| 1.9 0.1 2.0| 48.3 -1.8 46.5 11.6 0.81| 3.1 2.5 5000 119 12 72 6| 1.5 0.2 1.8| 48.3 -4.0 44.3 8.9 0.69| 2.7 1.9 6000 120 12 73 6| 1.3 0.4 1.7| 48.3 -6.6 41.7 6.9 0.57| 2.5 1.4 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251015.00.gif