UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 26 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 28.6 25.5 83 3.1 26.3 95 1 300.9 304.7 299.1 362.1 20.75 1 1000 91 27.4 25.1 87 2.3 25.7 175 1 300.5 304.3 298.8 360.8 20.46 2 942 619 23.2 22.9 98 0.3 23.0 164 9 301.5 304.9 298.2 357.5 18.98 3 925 779 22.4 21.5 95 0.9 21.8 160 11 302.2 305.5 297.6 354.6 17.72 4 850 1513 19.0 17.2 89 1.8 17.8 110 9 306.0 308.8 296.7 350.1 14.68 5 818 1843 18.0 14.3 79 3.7 15.5 94 9 308.4 310.7 295.9 346.6 12.63 6 775 2305 15.4 13.2 87 2.2 13.9 72 9 310.4 312.7 296.3 348.2 12.41 7 724 2882 13.4 6.4 63 7.0 9.1 44 9 314.3 315.9 294.4 340.4 8.36 8 700 3166 11.8 5.8 67 6.0 8.2 30 9 315.6 317.1 294.7 341.6 8.29 9 699 3178 11.8 5.8 67 6.0 8.2 30 9 315.7 317.3 294.7 341.7 8.31 10 633 3999 5.2 3.5 89 1.7 4.2 24 7 317.2 318.7 294.8 341.9 7.80 11 600 4435 3.4 -2.6 65 6.0 0.3 21 5 320.1 321.1 293.6 337.1 5.27 12 559 5006 -0.3 -3.0 82 2.7 -1.7 17 4 322.2 323.3 294.3 340.1 5.49 13 511 5719 -5.1 -9.0 74 3.9 -6.8 11 2 324.8 325.5 293.7 337.4 3.79 14 507 5781 -5.1 -15.1 45 10.0 -8.9 11 1 325.5 326.0 292.7 333.5 2.33 15 500 5890 -5.5 -16.5 42 11.0 -9.6 10 1 326.3 326.8 292.7 333.6 2.10 16 497 5937 -5.7 -21.7 27 16.0 -10.9 12 1 326.7 326.9 292.1 331.4 1.36 17 484 6145 -6.7 -13.7 57 7.0 -9.5 21 1 327.9 328.5 293.6 337.3 2.74 18 482 6177 -6.7 -17.7 41 11.0 -10.6 22 1 328.3 328.7 293.1 335.1 1.97 19 472 6341 -7.9 -15.9 53 8.0 -10.9 29 2 328.8 329.3 293.6 336.9 2.35 20 467 6424 -8.1 -31.1 14 23.0 -13.9 33 2 329.5 329.7 292.2 331.8 0.61 21 446 6780 -10.5 -38.5 8 28.0 -16.1 48 2 330.9 330.9 292.3 332.1 0.31 22 400 7610 -15.7 -41.7 9 26.0 -20.1 85 3 334.6 334.6 293.2 335.5 0.25 23 387 7859 -16.7 -45.7 6 29.0 -21.1 86 4 336.4 336.5 293.6 337.1 0.17 24 337 8882 -24.3 -43.3 16 19.0 -26.9 91 10 339.7 339.7 294.5 340.6 0.25 25 336 8904 -24.5 -33.5 43 9.0 -26.2 91 10 339.7 339.8 294.8 342.2 0.67 26 331 9013 -25.3 -32.3 52 7.0 -26.6 92 11 340.0 340.2 295.0 342.9 0.77 27 325 9146 -26.1 -46.1 13 20.0 -28.5 92 12 340.7 340.8 294.7 341.5 0.19 28 324 9168 -26.1 -38.1 31 12.0 -28.0 92 12 341.0 341.1 295.0 342.7 0.44 29 312 9440 -28.5 -37.5 42 9.0 -29.9 94 13 341.4 341.5 295.1 343.3 0.49 30 308 9532 -28.9 -44.9 20 16.0 -30.8 94 14 342.1 342.1 295.0 343.0 0.23 31 300 9720 -30.3 -39.3 41 9.0 -31.6 95 15 342.7 342.8 295.4 344.3 0.42 32 290 9960 -32.1 -35.6 71 3.5 -32.6 91 15 343.4 343.6 295.7 345.9 0.63 33 280 10207 -33.7 -42.7 40 9.0 -34.7 87 14 344.6 344.7 295.7 345.9 0.32 34 273 10383 -35.3 -41.3 54 6.0 -36.0 85 14 344.8 344.9 295.8 346.3 0.38 35 267 10538 -36.1 -45.1 39 9.0 -37.0 82 14 345.8 345.9 295.9 346.9 0.26 36 254 10881 -39.3 -45.3 53 6.0 -39.8 77 13 346.1 346.1 296.0 347.1 0.26 37 250 10990 -39.7 -50.7 30 11.0 -40.5 75 13 347.0 347.1 296.1 347.6 0.15 38 248 11045 -40.1 -53.1 24 13.0 -40.9 76 13 347.2 347.3 296.1 347.7 0.11 39 238 11323 -42.5 -58.5 16 16.0 -43.3 83 13 347.7 347.8 296.2 348.0 0.06 40 220 11848 -46.9 -66.9 8 20.0 -47.5 95 14 348.9 348.9 296.4 349.0 0.02 41 201 12438 -52.3 -63.3 25 11.0 -52.6 109 15 349.4 349.5 296.5 349.6 0.04 42 200 12470 -52.7 -62.7 29 10.0 -52.9 110 15 349.3 349.3 296.5 349.5 0.04 43 191 12767 -55.1 -58.1 69 3.0 -55.2 112 17 350.1 350.1 296.7 350.4 0.08 44 180 13145 -57.7 -65.7 35 8.0 -57.9 115 20 351.8 351.8 297.1 352.0 0.03 45 164 13726 -63.3 -67.7 55 4.4 -63.4 120 25 351.9 351.9 297.1 352.0 0.03 46 151 14230 -67.9 -72.9 49 5.0 -67.9 125 29 352.4 352.5 297.2 352.5 0.01 47 150 14270 -68.1 -73.1 49 5.0 -68.1 125 29 352.8 352.8 297.3 352.8 0.01 48 139 14722 -71.5 -75.9 52 4.4 -71.5 97 26 354.6 354.6 297.6 354.6 0.01 49 126 15294 -75.3 -82.3 33 7.0 -75.3 60 23 357.8 357.8 298.2 357.8 0.00 50 117 15723 -74.5 -85.5 17 11.0 -74.5 33 20 366.9 366.9 300.0 366.9 0.00 51 100 16630 -76.1 -86.1 19 10.0 -76.2 335 15 380.7 380.7 302.3 380.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 562.32 mb = 4959.58 m = 16271.39 ft Wetbulb zero: 594.61 mb = 4507.66 m = 14788.74 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 79.74 % Est. max temperature: 33.24 C = 91.83 F Sfc-Lift cond lev (LCL): 966.18 mb = 395.25 m = 1296.75 ft T: 24.98 C 700-500 lapse rate: 6.35 C/km ThetaE index: 15.48 C Layer 1000.0- 775.0 mb Conv cond level (CCL): 939.08 mb = 646.59 m = 2121.34 ft Mean mixing ratio: 19.20 g/kg Conv temperature: 29.30 C = 84.73 F Cap Strength: 0.08 C Lifted Index: -5.29 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -6.12 C Lifted Index @700 mb: -0.88 C Showalter Index: -2.59 C Risk: Severe thunderstorms possible Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 22.70 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 225.40 Risk: None Energy Index: -3.21 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2268.38 J/kg Max Up Vert Vel: 67.36 m/s Conv Inhibition (B-): 0.03 J/kg Cap Strength: 0.08 C Lift Cond Lev (LCL): 942.46 mb = 615.04 m = 2017.81 ft Lev Free Conv (LFC): 927.46 mb = 755.71 m = 2479.33 ft Equ Level (EL): 127.46 mb = 15226.94 m = 49956.54 ft B at Equ Level: 2260.90 J/kg Wind level data Storm motion: 101 at 5 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 95 1 -1.0 0.1 | 283 4 3.9 -0.9 1 1000 91 175 1 -0.1 1.0 | 269 5 4.8 0.0 2 925 779 160 11 -3.8 10.3 | 187 9 1.1 9.4 3 850 1513 110 9 -8.5 3.1 | 121 4 -3.6 2.1 4 700 3166 30 9 -4.5 -7.8 | 357 9 0.4 -8.7 5 500 5890 10 1 -0.2 -1.0 | 292 5 4.7 -1.9 6 400 7610 85 3 -3.0 -0.3 | 303 2 1.9 -1.2 7 300 9720 95 15 -14.9 1.3 | 92 10 -10.1 0.4 8 250 10990 75 13 -12.6 -3.4 | 61 9 -7.7 -4.3 9 200 12470 110 15 -14.1 5.1 | 114 10 -9.2 4.2 10 150 14270 125 29 -23.8 16.6 | 130 25 -18.9 15.7 11 100 16630 335 15 6.3 -13.6 | 322 18 11.2 -14.5 Wind Parameters Mean winds (0-6000m): 71.0 at 6.6 knts Storm direction: 101.0 at 5.0 knts Shear (0-3000m) pos: 1.2 neg: 2.5 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 81.3 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -42.4 tot: -42.4 m^2/s^2 ave: -14.1 10^-3 m/s^2 rel: -0.87 Storm rel vorticity (0-3000m) horiz: 5.4 stream: -4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 282.32 Bulk Shear: 8.03 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 ------------------------------------------------------------------------------- 500 166 4 238 5| 7.2 0.0 7.2| 0.0 -9.2 -9.2 -18.4 -0.91| 7.7 -7.0 1000 158 7 204 6| 3.6 2.3 5.9| 0.0 -20.5 -20.5 -20.5 -0.85| 7.2 -6.2 1500 146 8 187 5| 2.4 2.7 5.0| 0.0 -27.7 -27.7 -18.5 -0.84| 6.9 -5.8 2000 133 8 168 5| 1.8 2.7 4.5| 0.0 -31.8 -31.8 -15.9 -0.87| 6.1 -5.3 2500 121 8 146 4| 1.4 2.6 4.1| 0.0 -36.4 -36.4 -14.6 -0.87| 5.7 -4.9 3000 109 8 121 3| 1.2 2.5 3.7| 0.0 -42.4 -42.4 -14.1 -0.87| 5.4 -4.7 4000 88 8 69 4| 0.9 1.7 2.6| 0.0 -49.1 -49.1 -12.3 -0.86| 4.5 -3.9 5000 75 8 41 4| 0.7 1.1 1.8| 0.0 -53.6 -53.6 -10.7 -0.87| 3.9 -3.4 6000 71 7 24 3| 0.7 0.8 1.5| 0.2 -57.1 -56.9 -9.5 -0.86| 3.5 -3.0 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250426.00.gif