UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 12 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 1009 7 26.4 24.4 89 2.0 24.9 0 0 298.8 302.3 297.8 355.4 19.41 1 1000 89 25.4 23.7 90 1.7 24.2 0 0 298.5 302.0 297.3 353.2 18.76 2 997 116 25.2 23.7 91 1.5 24.1 360 0 298.6 302.0 297.4 353.5 18.82 3 992 160 25.4 23.0 87 2.4 23.7 359 1 299.2 302.5 297.1 352.2 18.11 4 937 662 23.6 20.6 83 3.0 21.5 356 4 302.3 305.4 296.9 351.1 16.52 5 925 775 22.6 20.5 88 2.1 21.1 355 5 302.4 305.5 297.0 351.6 16.63 6 892 1092 20.4 19.2 93 1.2 19.6 25 5 303.3 306.2 296.7 350.5 15.89 7 855 1459 19.4 17.0 86 2.4 17.7 60 5 306.0 308.6 296.4 349.1 14.41 8 850 1510 19.0 17.0 88 2.0 17.6 65 5 306.0 308.8 296.5 349.5 14.49 9 700 3157 10.0 8.3 89 1.7 8.9 70 5 313.6 315.4 295.3 344.2 9.87 10 663 3607 7.4 6.6 95 0.8 6.9 72 6 315.5 317.3 295.4 344.5 9.27 11 642 3871 6.4 1.7 72 4.7 3.8 74 6 317.3 318.6 294.0 338.8 6.76 12 605 4356 3.2 2.3 94 0.9 2.7 77 7 319.1 320.5 295.0 342.9 7.49 13 592 4532 2.4 -2.1 72 4.5 0.0 77 7 320.1 321.2 293.9 338.0 5.55 14 589 4573 2.0 0.3 88 1.7 1.1 78 7 320.1 321.4 294.7 341.5 6.66 15 583 4656 1.8 -4.2 64 6.0 -1.2 78 7 320.8 321.8 293.4 336.5 4.81 16 561 4965 -0.3 -3.0 82 2.7 -1.7 80 8 321.9 323.0 294.3 339.7 5.47 17 541 5255 -1.7 -7.7 64 6.0 -4.5 81 8 323.6 324.4 293.5 336.7 3.96 18 527 5464 -2.9 -6.3 77 3.4 -4.6 83 8 324.6 325.5 294.2 339.6 4.53 19 519 5585 -3.3 -5.8 83 2.5 -4.6 83 9 325.5 326.5 294.7 341.4 4.79 20 509 5739 -3.9 -7.4 77 3.5 -5.5 84 9 326.6 327.5 294.6 341.0 4.31 21 503 5833 -3.7 -13.7 46 10.0 -7.8 85 9 328.0 328.5 293.6 337.0 2.64 22 500 5880 -4.3 -10.3 63 6.0 -7.0 85 9 327.8 328.5 294.2 339.6 3.49 23 495 5959 -4.7 -9.7 68 5.0 -7.0 86 9 328.3 329.0 294.5 340.7 3.70 24 481 6185 -6.1 -13.1 58 7.0 -9.0 89 9 329.2 329.8 294.1 339.2 2.90 25 474 6300 -6.1 -25.1 21 19.0 -11.8 91 9 330.6 330.8 292.9 334.4 1.05 26 464 6467 -7.5 -16.5 48 9.0 -10.9 93 9 330.9 331.3 294.0 338.8 2.27 27 462 6501 -7.5 -25.5 22 18.0 -12.8 94 9 331.3 331.5 293.1 335.1 1.04 28 457 6585 -8.1 -15.1 57 7.0 -10.8 95 9 331.6 332.1 294.4 340.6 2.59 29 446 6775 -9.1 -21.1 37 12.0 -13.0 98 9 332.6 333.0 293.9 338.3 1.59 30 431 7039 -10.9 -15.8 67 4.9 -12.8 102 9 333.6 334.1 295.0 342.7 2.59 31 421 7220 -12.1 -20.1 51 8.0 -14.7 104 9 334.3 334.7 294.6 340.9 1.84 32 414 7348 -12.7 -16.1 76 3.4 -14.0 106 9 335.2 335.7 295.4 344.4 2.63 33 400 7610 -14.7 -17.7 78 3.0 -15.7 110 9 335.9 336.4 295.3 344.3 2.38 34 386 7879 -16.5 -26.5 42 10.0 -19.1 106 9 337.0 337.2 294.6 341.1 1.14 35 370 8196 -18.7 -29.7 37 11.0 -21.3 101 10 338.1 338.3 294.7 341.4 0.88 36 364 8318 -19.3 -24.1 66 4.8 -20.7 99 10 338.9 339.2 295.4 344.4 1.50 37 357 8463 -20.1 -33.1 30 13.0 -22.8 96 10 339.7 339.9 294.8 342.2 0.66 38 350 8609 -21.3 -29.3 49 8.0 -23.2 94 10 340.0 340.2 295.2 343.7 0.97 39 345 8715 -21.7 -34.7 30 13.0 -24.2 92 10 340.9 341.0 295.1 343.1 0.58 40 328 9086 -24.9 -31.9 52 7.0 -26.3 86 10 341.5 341.6 295.4 344.5 0.81 41 327 9108 -25.1 -27.7 79 2.6 -25.7 85 10 341.5 341.7 295.7 346.0 1.20 42 324 9175 -25.1 -34.1 43 9.0 -26.8 84 10 342.4 342.5 295.5 344.9 0.66 43 319 9288 -26.1 -32.1 57 6.0 -27.3 82 11 342.5 342.7 295.7 345.6 0.81 44 317 9333 -26.3 -39.3 28 13.0 -28.3 82 11 342.9 343.0 295.4 344.4 0.40 45 300 9730 -29.3 -43.3 25 14.0 -31.0 75 11 344.1 344.1 295.6 345.2 0.28 46 294 9873 -30.5 -39.5 41 9.0 -31.7 74 12 344.4 344.5 295.7 346.0 0.42 47 291 9946 -30.7 -47.7 17 17.0 -32.5 73 12 345.1 345.1 295.7 345.8 0.18 48 275 10342 -34.1 -42.1 44 8.0 -35.0 70 14 345.8 345.9 296.0 347.2 0.34 49 273 10393 -34.1 -45.1 32 11.0 -35.3 70 14 346.5 346.6 296.1 347.6 0.25 50 257 10811 -37.5 -52.5 19 15.0 -38.6 67 16 347.6 347.6 296.2 348.0 0.11 51 250 11000 -39.1 -49.1 34 10.0 -39.9 65 17 347.9 348.0 296.3 348.7 0.18 52 242 11223 -41.1 -45.1 65 4.0 -41.5 65 18 348.2 348.2 296.5 349.3 0.28 53 221 11834 -46.3 -55.3 35 9.0 -46.7 65 23 349.3 349.4 296.5 349.7 0.10 54 212 12109 -48.9 -52.6 65 3.7 -49.1 65 24 349.5 349.5 296.7 350.0 0.14 55 200 12490 -52.5 -56.3 63 3.8 -52.7 65 27 349.6 349.7 296.6 350.0 0.09 56 196 12620 -53.5 -56.7 68 3.2 -53.6 66 26 350.1 350.1 296.7 350.5 0.09 57 169 13554 -62.1 -68.1 44 6.0 -62.2 77 19 350.9 350.9 296.8 351.0 0.02 58 150 14280 -68.1 -72.4 54 4.3 -68.1 85 13 352.8 352.8 297.3 352.8 0.01 59 114 15877 -79.7 -82.7 61 3.0 -79.7 85 23 360.0 360.0 298.7 360.0 0.00 60 100 16620 -78.7 -83.6 45 4.9 -78.7 90 42 375.7 375.7 301.5 375.7 0.00 TRP 114 15877 -79.7 -82.7 61 3.0 -79.7 85 23 360.0 360.0 298.7 360.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 564.14 mb = 4920.95 m = 16144.67 ft Wetbulb zero: 586.18 mb = 4611.85 m = 15130.56 ft Precipitable water: 2.41 inches Sfc-500 mean rel hum: 84.00 % Est. max temperature: 33.30 C = 91.93 F Sfc-Lift cond lev (LCL): 980.56 mb = 262.01 m = 859.62 ft T: 25.03 C 700-500 lapse rate: 5.25 C/km ThetaE index: 5.38 C Layer 700.0- 663.0 mb Conv cond level (CCL): 895.74 mb = 1055.39 m = 3462.53 ft Mean mixing ratio: 17.33 g/kg Conv temperature: 30.83 C = 87.49 F Cap Strength: 1.43 C Lifted Index: -2.03 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.99 C Lifted Index @700 mb: -1.12 C Showalter Index: -1.16 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 21.30 C K Index: 38.60 Risk: > 80 % chance of thunderstorms Sweat Index: 223.00 Risk: None Energy Index: -1.99 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 739.44 J/kg Max Up Vert Vel: 38.46 m/s Conv Inhibition (B-): 34.55 J/kg Cap Strength: 1.43 C Lift Cond Lev (LCL): 925.54 mb = 769.93 m = 2526.00 ft Lev Free Conv (LFC): 780.54 mb = 2233.22 m = 7326.73 ft Equ Level (EL): 150.54 mb = 14258.31 m = 46778.65 ft B at Equ Level: 728.26 J/kg Wind level data Storm motion: 100 at 4 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 1009 7 0 0 -0.0 -0.0 | 280 4 4.2 -0.7 1 1000 89 0 0 -0.0 -0.0 | 280 4 4.2 -0.7 2 925 775 355 5 0.4 -5.0 | 321 7 4.6 -5.7 3 850 1510 65 5 -4.5 -2.1 | 7 3 -0.3 -2.8 4 700 3157 70 5 -4.7 -1.7 | 12 2 -0.5 -2.4 5 500 5880 85 9 -9.0 -0.8 | 73 5 -4.8 -1.5 6 400 7610 110 9 -8.5 3.1 | 119 5 -4.3 2.4 7 300 9730 75 11 -10.6 -2.8 | 61 7 -6.4 -3.6 8 250 11000 65 17 -15.4 -7.2 | 55 14 -11.2 -7.9 9 200 12490 65 27 -24.5 -11.4 | 59 24 -20.3 -12.1 10 150 14280 85 13 -13.0 -1.1 | 78 9 -8.7 -1.8 11 114 15877 85 23 -22.9 -2.0 | 82 19 -18.7 -2.7 12 100 16620 90 42 -42.0 0.0 | 89 38 -37.8 -0.7 Wind Parameters Mean winds (0-6000m): 69.6 at 5.7 knts Storm direction: 99.6 at 4.3 knts Shear (0-3000m) pos: 0.9 neg: 0.5 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 91.4 deg Storm rel helicity (0-3000m) pos: 11.2 neg: 0.0 tot: 11.2 m^2/s^2 ave: 3.7 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 1.9 stream: 1.4 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 188.55 Bulk Shear: 3.92 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 ------------------------------------------------------------------------------- 500 357 1 295 5| 0.0 3.1 3.1| 3.3 0.0 3.3 6.6 0.85| 3.1 2.7 1000 359 3 310 6| 1.2 1.6 2.8| 7.9 0.0 7.9 7.9 0.78| 3.5 2.7 1500 17 4 323 5| 1.6 1.0 2.7| 11.0 0.0 11.0 7.3 0.72| 3.7 2.7 2000 34 4 333 4| 1.3 0.8 2.0| 11.1 0.0 11.1 5.5 0.71| 2.8 2.0 2500 43 4 340 4| 1.0 0.6 1.6| 11.1 0.0 11.1 4.5 0.71| 2.3 1.6 3000 49 4 345 4| 0.9 0.5 1.4| 11.2 0.0 11.2 3.7 0.71| 1.9 1.4 4000 57 5 354 3| 0.8 0.4 1.2| 12.1 0.0 12.1 3.0 0.73| 1.6 1.2 5000 63 5 7 3| 0.8 0.3 1.1| 13.2 0.0 13.2 2.6 0.74| 1.5 1.1 6000 70 6 23 3| 0.8 0.3 1.1| 14.8 0.0 14.8 2.5 0.74| 1.4 1.0 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251012.00.gif