UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 17 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 27.0 25.2 90 1.8 25.7 305 1 299.3 303.0 298.5 358.9 20.37 1 1000 99 27.0 24.7 87 2.3 25.3 350 3 300.1 303.8 298.5 358.8 19.96 2 952 534 23.8 23.5 98 0.3 23.6 34 9 301.2 304.7 298.4 358.6 19.49 3 925 786 22.4 21.2 93 1.2 21.5 60 13 302.2 305.4 297.4 353.6 17.39 4 871 1309 19.8 15.8 78 4.0 17.1 67 14 304.8 307.2 295.2 343.8 13.07 5 850 1520 18.2 16.6 90 1.6 17.1 70 15 305.2 307.8 296.1 347.4 14.12 6 812 1911 15.8 14.6 93 1.2 15.0 72 16 306.7 309.1 295.7 345.7 12.98 7 736 2743 13.6 -3.4 31 17.0 4.9 77 18 313.0 313.8 290.5 325.9 4.04 8 700 3164 10.4 -0.6 46 11.0 4.5 80 19 314.0 315.0 291.9 330.5 5.23 9 678 3429 8.6 -2.4 46 11.0 2.9 79 19 314.9 315.8 291.7 329.9 4.73 10 650 3777 7.0 2.7 74 4.3 4.5 77 19 316.9 318.3 294.2 339.6 7.17 11 634 3981 6.6 0.6 65 6.0 3.2 76 19 318.7 319.9 294.0 338.9 6.32 12 626 4086 6.8 -6.2 39 13.0 0.5 75 19 320.1 320.8 292.4 332.6 3.84 13 609 4311 4.6 -4.4 52 9.0 0.1 74 19 320.1 321.0 293.0 334.8 4.53 14 560 4990 0.4 -16.6 27 17.0 -6.0 70 19 322.9 323.3 291.5 329.2 1.86 15 500 5890 -5.1 -11.1 63 6.0 -7.7 65 19 326.8 327.5 293.8 337.9 3.28 16 485 6129 -6.7 -11.7 68 5.0 -8.8 66 18 327.7 328.4 294.0 338.6 3.22 17 468 6407 -8.3 -18.3 44 10.0 -11.8 66 18 329.1 329.5 293.3 335.8 1.93 18 456 6608 -10.1 -17.1 57 7.0 -12.6 67 17 329.3 329.7 293.6 336.9 2.20 19 453 6659 -10.3 -23.3 34 13.0 -14.2 67 17 329.7 329.9 292.9 334.3 1.29 20 450 6710 -10.7 -14.9 71 4.2 -12.3 67 17 329.8 330.3 294.1 339.0 2.67 21 445 6796 -10.9 -19.9 47 9.0 -13.9 68 17 330.6 330.9 293.5 336.8 1.77 22 434 6988 -11.3 -21.3 43 10.0 -14.5 68 16 332.5 332.8 293.9 338.2 1.61 23 426 7131 -12.1 -19.1 56 7.0 -14.5 69 16 333.2 333.6 294.4 340.2 1.98 24 418 7276 -13.1 -24.1 39 11.0 -16.3 69 16 333.7 334.0 293.9 338.4 1.30 25 416 7313 -13.5 -19.5 61 6.0 -15.5 69 16 333.7 334.1 294.5 340.6 1.96 26 407 7479 -14.9 -18.1 77 3.2 -16.0 70 15 334.0 334.4 294.8 341.9 2.26 27 400 7610 -15.5 -21.5 60 6.0 -17.4 70 15 334.8 335.2 294.6 341.0 1.72 28 394 7724 -16.1 -23.1 55 7.0 -18.1 66 15 335.5 335.8 294.6 341.0 1.51 29 385 7897 -17.3 -21.2 72 3.9 -18.5 60 15 336.2 336.5 295.0 342.7 1.83 30 380 7995 -17.5 -41.5 10 24.0 -21.5 57 15 337.2 337.2 293.9 338.2 0.26 31 379 8014 -17.7 -31.7 28 14.0 -20.8 56 15 337.1 337.3 294.3 339.8 0.71 32 376 8074 -17.9 -43.9 8 26.0 -22.0 54 15 337.6 337.7 293.9 338.5 0.21 33 370 8193 -18.7 -35.7 21 17.0 -22.0 50 15 338.1 338.2 294.3 340.0 0.49 34 369 8213 -18.9 -25.9 54 7.0 -20.8 49 15 338.1 338.4 295.0 342.7 1.26 35 364 8315 -19.5 -26.5 54 7.0 -21.3 45 15 338.7 338.9 295.1 343.1 1.20 36 359 8417 -19.7 -43.7 10 24.0 -23.4 42 15 339.7 339.8 294.4 340.6 0.22 37 356 8479 -20.1 -40.1 15 20.0 -23.5 40 15 340.0 340.1 294.6 341.3 0.33 38 320 9258 -26.7 -35.7 42 9.0 -28.2 12 15 341.4 341.5 295.2 343.6 0.57 39 311 9463 -27.7 -37.7 38 10.0 -29.3 4 15 342.8 342.9 295.4 344.7 0.48 40 306 9579 -28.7 -33.4 64 4.7 -29.6 0 15 343.0 343.1 295.7 345.8 0.75 41 300 9720 -29.7 -33.2 72 3.5 -30.3 355 15 343.5 343.7 295.8 346.5 0.78 42 292 9913 -30.7 -33.1 79 2.4 -31.1 349 15 344.8 344.9 296.1 347.9 0.81 43 290 9962 -30.7 -33.4 77 2.7 -31.2 348 15 345.4 345.6 296.3 348.5 0.79 44 277 10287 -33.7 -35.9 80 2.2 -34.0 338 14 345.7 345.8 296.3 348.2 0.64 45 250 11000 -39.3 -42.3 73 3.0 -39.6 315 13 347.6 347.7 296.4 349.1 0.37 46 243 11194 -40.7 -43.9 71 3.2 -41.0 316 15 348.4 348.4 296.5 349.7 0.32 47 239 11307 -41.3 -48.3 47 7.0 -41.8 317 16 349.1 349.2 296.6 350.0 0.20 48 235 11421 -42.5 -46.7 63 4.2 -42.8 318 17 349.0 349.1 296.6 350.0 0.24 49 229 11595 -44.1 -58.1 20 14.0 -44.7 319 19 349.2 349.2 296.5 349.4 0.07 50 222 11803 -45.5 -66.5 8 21.0 -46.2 320 20 350.1 350.1 296.7 350.2 0.02 51 200 12490 -51.3 -69.3 10 18.0 -51.7 325 27 351.5 351.5 297.0 351.6 0.02 52 150 14290 -67.1 -74.1 36 7.0 -67.1 335 27 354.5 354.5 297.6 354.5 0.01 53 149 14330 -67.5 -74.5 36 7.0 -67.5 336 27 354.5 354.5 297.6 354.5 0.01 54 139 14745 -70.5 -75.5 48 5.0 -70.5 344 23 356.3 356.3 298.0 356.4 0.01 55 111 16054 -78.3 -83.3 44 5.0 -78.3 10 11 365.4 365.4 299.7 365.4 0.00 56 100 16650 -78.1 -84.1 37 6.0 -78.1 50 11 376.8 376.8 301.7 376.8 0.00 TRP 111 16054 -78.3 -83.3 44 5.0 -78.3 10 11 365.4 365.4 299.7 365.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 555.64 mb = 5055.06 m = 16584.63 ft Wetbulb zero: 608.37 mb = 4319.45 m = 14171.26 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 61.94 % Est. max temperature: 32.71 C = 90.88 F Sfc-Lift cond lev (LCL): 984.45 mb = 237.51 m = 779.22 ft T: 25.98 C 700-500 lapse rate: 5.69 C/km ThetaE index: 21.58 C Layer 812.0- 700.0 mb Conv cond level (CCL): 930.70 mb = 732.19 m = 2402.16 ft Mean mixing ratio: 18.95 g/kg Conv temperature: 29.70 C = 85.46 F Cap Strength: 0.37 C Lifted Index: -4.53 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.99 C Lifted Index @700 mb: -2.04 C Showalter Index: -1.19 C Risk: Thunderstorms probable Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 21.70 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 248.20 Risk: None Energy Index: -1.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1775.74 J/kg Max Up Vert Vel: 59.59 m/s Conv Inhibition (B-): 1.96 J/kg Cap Strength: 0.37 C Lift Cond Lev (LCL): 942.48 mb = 621.87 m = 2040.24 ft Lev Free Conv (LFC): 907.48 mb = 952.35 m = 3124.49 ft Equ Level (EL): 127.48 mb = 15248.91 m = 50028.63 ft B at Equ Level: 1740.53 J/kg Wind level data Storm motion: 101 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 7 305 1 0.8 -0.6 | 283 13 12.9 -3.0 1 1000 99 350 3 0.5 -3.0 | 293 14 12.6 -5.4 2 925 786 60 13 -11.3 -6.5 | 355 9 0.8 -8.9 3 850 1520 70 15 -14.1 -5.1 | 15 8 -2.0 -7.5 4 700 3164 80 19 -18.7 -3.3 | 49 9 -6.6 -5.7 5 500 5890 65 19 -17.2 -8.0 | 26 12 -5.1 -10.4 6 400 7610 70 15 -14.1 -5.1 | 15 8 -2.0 -7.5 7 300 9720 355 15 1.3 -14.9 | 322 22 13.4 -17.4 8 250 11000 315 13 9.2 -9.2 | 299 24 21.3 -11.6 9 200 12490 325 27 15.5 -22.1 | 312 37 27.6 -24.5 10 150 14290 335 27 11.4 -24.5 | 319 36 23.5 -26.9 11 111 16054 10 11 -1.9 -10.8 | 322 17 10.2 -13.2 12 100 16650 50 11 -8.4 -7.1 | 339 10 3.7 -9.5 Wind Parameters Mean winds (0-6000m): 71.3 at 16.4 knts Storm direction: 101.3 at 12.3 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 123.1 deg Storm rel helicity (0-3000m) pos: 66.2 neg: 0.0 tot: 66.2 m^2/s^2 ave: 22.1 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 3.9 10^-3/s Energy-Hel index: 0.66 Bulk Rich Number: 69.77 Bulk Shear: 25.45 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 19 5 305 13| 9.2 0.0 9.2| 33.8 0.0 33.8 67.6 0.97| 10.1 9.8 1000 52 9 326 9| 7.3 0.0 7.3| 52.2 0.0 52.2 52.2 0.92| 9.0 8.3 1500 59 11 339 8| 5.3 0.0 5.3| 56.7 0.0 56.7 37.8 0.93| 6.8 6.3 2000 63 12 349 8| 4.3 0.0 4.3| 59.7 0.0 59.7 29.9 0.93| 5.5 5.1 2500 66 13 357 8| 3.7 0.0 3.7| 62.9 0.0 62.9 25.2 0.93| 4.7 4.4 3000 69 14 6 7| 3.3 0.0 3.3| 66.2 0.0 66.2 22.1 0.94| 4.2 3.9 4000 72 15 17 7| 2.5 0.2 2.6| 67.1 -3.0 64.1 16.0 0.84| 3.4 2.8 5000 72 16 22 8| 2.0 0.3 2.3| 67.1 -6.9 60.2 12.0 0.73| 2.9 2.1 6000 71 16 24 8| 1.7 0.4 2.0| 67.1 -10.9 56.2 9.4 0.64| 2.6 1.6 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251017.12.gif