UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 30 APR 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 19 27.0 24.3 85 2.7 25.0 295 1 299.3 302.8 297.8 355.7 19.27 1 1000 93 26.4 22.9 81 3.5 23.9 305 1 299.5 302.8 297.0 351.8 17.85 2 959 462 23.4 21.8 91 1.6 22.3 20 6 300.1 303.3 296.9 351.1 17.40 3 925 779 23.2 18.2 73 5.0 19.7 85 11 303.0 305.7 295.6 345.6 14.36 4 920 826 23.2 17.2 69 6.0 19.1 80 11 303.5 306.0 295.2 343.7 13.54 5 850 1513 18.0 17.5 97 0.5 17.7 5 9 305.0 307.8 296.5 349.7 14.97 6 840 1614 17.0 17.0 100 0.0 17.0 10 9 305.0 307.7 296.4 348.8 14.67 7 787 2168 13.0 12.8 99 0.2 12.9 35 12 306.4 308.7 294.8 342.2 11.89 8 779 2254 12.6 11.2 91 1.4 11.7 39 13 306.9 308.9 294.2 339.5 10.79 9 727 2834 12.0 1.0 47 11.0 5.9 65 15 312.4 313.5 291.7 330.1 5.66 10 708 3056 10.4 5.4 71 5.0 7.4 76 17 313.0 314.5 293.7 337.8 7.97 11 700 3151 10.2 4.2 66 6.0 6.7 80 17 313.8 315.2 293.6 336.9 7.41 12 689 3283 10.8 -6.2 30 17.0 2.6 80 16 315.9 316.5 290.9 327.1 3.49 13 679 3404 9.6 1.6 57 8.0 5.1 80 16 315.9 317.1 293.3 335.9 6.34 14 665 3577 8.2 1.2 61 7.0 4.3 81 15 316.2 317.4 293.3 336.1 6.29 15 653 3727 7.2 1.2 66 6.0 3.8 81 15 316.7 317.9 293.6 337.0 6.41 16 647 3802 7.2 -1.8 53 9.0 2.4 81 14 317.5 318.5 292.8 334.1 5.19 17 642 3866 6.6 0.6 65 6.0 3.3 81 14 317.6 318.8 293.7 337.4 6.24 18 632 3995 6.8 -13.2 22 20.0 -1.6 82 13 319.2 319.6 290.7 326.5 2.19 19 616 4205 5.4 -17.6 17 23.0 -3.3 82 12 320.0 320.3 290.3 325.2 1.56 20 584 4638 2.2 -10.8 38 13.0 -3.4 83 11 321.1 321.7 291.9 330.7 2.87 21 575 4764 2.6 -17.4 21 20.0 -5.0 83 10 323.0 323.4 291.4 328.9 1.70 22 556 5034 0.6 -9.4 47 10.0 -3.9 83 9 323.8 324.5 293.0 335.0 3.37 23 547 5165 0.2 -25.8 12 26.0 -7.8 84 8 324.8 325.0 291.1 327.9 0.85 24 523 5524 -1.5 -35.5 5 34.0 -9.8 84 7 327.0 327.0 291.2 328.3 0.36 25 500 5880 -4.1 -26.1 16 22.0 -10.6 85 5 328.0 328.2 292.1 331.3 0.91 26 496 5943 -4.5 -24.5 19 20.0 -10.6 85 5 328.3 328.5 292.3 332.1 1.06 27 492 6007 -4.7 -33.7 8 29.0 -11.8 86 5 328.8 328.9 291.9 330.5 0.45 28 487 6088 -5.3 -19.3 32 14.0 -10.2 86 5 329.0 329.4 293.0 335.0 1.70 29 466 6434 -6.1 -36.1 7 30.0 -13.0 88 6 332.2 332.3 292.7 333.7 0.38 30 448 6741 -8.7 -28.7 18 20.0 -14.1 90 6 332.7 332.9 293.2 335.7 0.80 31 444 6810 -9.3 -18.3 48 9.0 -12.5 90 6 332.8 333.2 294.3 340.0 2.04 32 437 6933 -10.1 -28.1 21 18.0 -15.0 91 6 333.3 333.5 293.4 336.5 0.87 33 434 6986 -10.3 -24.3 31 14.0 -14.5 91 6 333.7 334.0 293.9 338.2 1.23 34 433 7004 -10.7 -15.5 68 4.8 -12.5 91 6 333.4 334.0 295.0 342.7 2.64 35 426 7129 -11.7 -16.5 68 4.8 -13.5 92 6 333.7 334.2 294.9 342.4 2.47 36 406 7497 -13.7 -40.7 8 27.0 -18.7 94 7 335.7 335.8 293.5 336.8 0.27 37 400 7610 -14.5 -31.5 22 17.0 -18.5 95 7 336.1 336.3 294.0 338.7 0.69 38 391 7782 -15.3 -47.3 5 32.0 -20.1 92 7 337.3 337.3 293.8 337.8 0.14 39 337 8888 -23.1 -40.1 20 17.0 -25.8 74 6 341.3 341.4 295.0 342.7 0.35 40 331 9020 -24.1 -32.1 48 8.0 -25.7 72 6 341.7 341.8 295.4 344.7 0.78 41 313 9425 -26.9 -45.9 15 19.0 -29.2 65 5 343.3 343.3 295.3 344.1 0.20 42 311 9472 -27.1 -39.1 31 12.0 -28.9 64 5 343.6 343.7 295.6 345.3 0.41 43 305 9612 -28.5 -35.5 51 7.0 -29.7 62 5 343.6 343.7 295.7 345.9 0.61 44 300 9730 -29.5 -36.5 51 7.0 -30.6 60 5 343.8 343.9 295.7 346.0 0.56 45 286 10068 -32.7 -36.0 72 3.3 -33.2 72 8 344.0 344.1 295.8 346.4 0.62 46 274 10368 -35.1 -37.2 81 2.1 -35.4 82 10 344.7 344.8 296.0 347.0 0.57 47 257 10811 -37.9 -45.9 43 8.0 -38.7 98 13 347.0 347.0 296.2 348.0 0.24 48 250 11000 -39.3 -48.3 38 9.0 -40.0 105 15 347.6 347.7 296.3 348.4 0.19 49 231 11537 -43.9 -55.9 25 12.0 -44.5 101 14 348.6 348.6 296.4 349.0 0.09 50 216 11985 -47.3 -62.3 16 15.0 -47.8 98 12 350.1 350.1 296.7 350.3 0.04 51 200 12490 -52.1 -61.1 33 9.0 -52.4 95 11 350.3 350.3 296.7 350.5 0.05 52 192 12752 -54.5 -62.5 37 8.0 -54.7 97 12 350.5 350.5 296.8 350.7 0.04 53 183 13058 -56.1 -70.1 16 14.0 -56.3 100 13 352.8 352.8 297.3 352.8 0.02 54 150 14290 -66.7 -77.7 20 11.0 -66.8 110 19 355.2 355.2 297.7 355.2 0.01 55 142 14619 -69.3 -79.3 22 10.0 -69.4 103 17 356.3 356.3 298.0 356.3 0.01 56 119 15650 -78.3 -82.4 51 4.1 -78.3 81 12 358.2 358.2 298.4 358.2 0.00 57 116 15795 -79.3 -84.0 46 4.7 -79.3 78 11 358.9 358.9 298.5 359.0 0.00 58 100 16630 -82.7 -88.7 35 6.0 -82.7 60 7 367.9 367.9 300.2 367.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 544.18 mb = 5207.27 m = 17084.01 ft Wetbulb zero: 635.21 mb = 3953.31 m = 12970.02 ft Precipitable water: 1.91 inches Sfc-500 mean rel hum: 57.57 % Est. max temperature: 32.50 C = 90.51 F Sfc-Lift cond lev (LCL): 971.63 mb = 346.89 m = 1138.08 ft T: 24.34 C 700-500 lapse rate: 5.24 C/km ThetaE index: 19.61 C Layer 840.0- 708.0 mb Conv cond level (CCL): 867.91 mb = 1332.10 m = 4370.37 ft Mean mixing ratio: 16.50 g/kg Conv temperature: 32.33 C = 90.20 F Cap Strength: 2.57 C Lifted Index: -0.99 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.87 C Lifted Index @700 mb: -0.25 C Showalter Index: -1.04 C Risk: Thunderstorms probable Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.60 C K Index: 33.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 233.00 Risk: None Energy Index: -3.55 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 268.91 J/kg Max Up Vert Vel: 23.19 m/s Conv Inhibition (B-): 45.22 J/kg Cap Strength: 2.57 C Lift Cond Lev (LCL): 914.69 mb = 876.64 m = 2876.09 ft Lev Free Conv (LFC): 839.69 mb = 1617.46 m = 5306.56 ft Equ Level (EL): 689.69 mb = 3274.39 m = 10742.61 ft B at Equ Level: 59.77 J/kg Max Parcel Lev (MPL): 139.69 mb = 14714.63 m = 48275.76 ft Wind level data Storm motion: 101 at 8 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 19 295 1 0.9 -0.4 | 282 9 8.7 -1.9 1 1000 93 305 1 0.8 -0.6 | 283 9 8.6 -2.0 2 925 779 85 11 -11.0 -1.0 | 52 4 -3.1 -2.4 3 850 1513 5 9 -0.8 -9.0 | 326 13 7.0 -10.4 4 700 3151 80 17 -16.7 -3.0 | 64 10 -8.9 -4.4 5 500 5880 85 5 -5.0 -0.4 | 304 3 2.8 -1.9 6 400 7610 95 7 -7.0 0.6 | 316 1 0.8 -0.9 7 300 9730 60 5 -4.3 -2.5 | 319 5 3.5 -4.0 8 250 11000 105 15 -14.5 3.9 | 110 7 -6.7 2.4 9 200 12490 95 11 -11.0 1.0 | 81 3 -3.1 -0.5 10 150 14290 110 19 -17.9 6.5 | 117 11 -10.0 5.0 11 100 16630 60 7 -6.1 -3.5 | 341 5 1.8 -5.0 Wind Parameters Mean winds (0-6000m): 70.7 at 10.6 knts Storm direction: 100.7 at 8.0 knts Shear (0-3000m) pos: 4.2 neg: 1.5 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 130.6 deg Storm rel helicity (0-3000m) pos: 81.9 neg: -23.3 tot: 58.6 m^2/s^2 ave: 19.5 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 3.8 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 26.61 Bulk Shear: 10.10 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 21 4 306 8| 7.6 0.0 7.6| 21.3 0.0 21.3 42.6 0.93| 9.3 8.7 1000 77 7 336 3| 5.6 0.0 5.6| 32.9 -4.6 28.3 28.3 0.58| 11.1 6.5 1500 61 8 348 5| 3.7 3.0 6.8| 32.9 -23.3 9.6 6.4 0.18| 10.6 1.8 2000 46 8 346 7| 4.0 2.3 6.3| 48.1 -23.3 24.9 12.4 0.28| 9.1 2.6 2500 46 9 351 8| 4.2 1.8 6.0| 64.5 -23.3 41.2 16.5 0.38| 8.5 3.2 3000 54 10 4 7| 4.2 1.5 5.7| 81.9 -23.3 58.6 19.5 0.46| 8.2 3.8 4000 65 11 22 7| 2.8 1.1 4.0| 86.6 -25.0 61.6 15.4 0.43| 6.8 3.0 5000 69 11 27 6| 1.8 0.9 2.7| 86.6 -27.6 59.0 11.8 0.36| 5.9 2.1 6000 71 11 24 5| 1.2 0.8 2.0| 86.6 -29.9 56.8 9.5 0.28| 5.3 1.5 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250430.00.gif