UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 27 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 1012 19 26.4 25.2 93 1.2 25.5 70 1 298.5 302.2 298.2 357.9 20.33 1 1000 106 26.2 23.7 86 2.5 24.4 90 5 299.4 302.8 297.5 354.2 18.76 2 925 792 22.0 20.6 92 1.4 21.0 135 7 301.8 304.9 296.9 351.2 16.74 3 878 1245 19.2 17.9 92 1.3 18.3 126 7 303.4 306.2 296.1 347.5 14.86 4 850 1524 18.0 14.7 81 3.3 15.8 120 7 305.0 307.3 294.8 342.3 12.47 5 824 1790 16.8 12.3 75 4.5 13.8 111 7 306.5 308.5 294.2 339.5 10.97 6 794 2106 16.0 2.0 39 14.0 8.2 101 8 308.9 309.9 290.6 326.1 5.57 7 791 2139 16.0 -2.0 29 18.0 6.7 100 8 309.2 310.0 289.5 322.2 4.17 8 790 2149 16.0 -1.0 31 17.0 7.1 99 8 309.3 310.2 289.8 323.3 4.50 9 784 2214 15.2 4.2 48 11.0 8.9 97 8 309.1 310.4 291.6 329.5 6.61 10 758 2500 13.6 -0.4 38 14.0 6.2 88 8 310.4 311.3 290.5 325.7 4.90 11 745 2645 11.6 10.9 95 0.7 11.2 83 8 309.8 311.8 295.1 343.5 11.07 12 739 2713 11.0 10.9 99 0.1 10.9 80 8 309.8 311.9 295.3 343.9 11.16 13 700 3165 8.8 6.3 84 2.5 7.3 65 9 312.2 313.9 294.0 338.8 8.59 14 689 3296 8.0 4.8 80 3.2 6.1 67 9 312.8 314.3 293.6 337.1 7.85 15 668 3552 9.2 -14.8 17 24.0 -0.5 71 10 316.9 317.2 289.6 322.9 1.81 16 627 4073 5.0 -6.0 45 11.0 -0.3 78 12 317.9 318.6 291.9 330.5 3.90 17 603 4391 4.0 -22.0 13 26.0 -4.8 83 13 320.3 320.5 290.0 324.1 1.09 18 559 5003 0.4 -31.6 7 32.0 -8.1 92 16 323.1 323.2 290.2 324.8 0.49 19 530 5428 -1.7 -39.7 4 38.0 -10.1 98 17 325.5 325.5 290.7 326.4 0.23 20 513 5687 -3.1 -38.1 5 35.0 -10.9 102 18 326.9 326.9 291.1 327.9 0.28 21 508 5765 -3.9 -18.9 30 15.0 -9.2 103 19 326.8 327.1 292.4 332.7 1.69 22 500 5890 -4.7 -21.7 25 17.0 -10.3 105 19 327.3 327.6 292.3 332.1 1.35 23 493 6001 -5.7 -16.7 42 11.0 -9.8 105 19 327.4 327.8 293.0 334.6 2.10 24 480 6210 -6.1 -37.1 7 31.0 -13.0 105 18 329.4 329.5 291.9 330.7 0.33 25 461 6524 -8.5 -24.5 26 16.0 -13.3 105 18 330.3 330.5 292.9 334.3 1.14 26 400 7610 -14.9 -32.9 20 18.0 -18.9 105 15 335.6 335.7 293.8 337.9 0.60 27 396 7686 -15.3 -34.3 18 19.0 -19.4 107 15 336.1 336.2 293.9 338.1 0.53 28 348 8652 -20.9 -48.9 6 28.0 -24.5 132 9 341.1 341.2 294.7 341.7 0.13 29 306 9588 -28.7 -44.7 20 16.0 -30.6 156 4 343.0 343.0 295.3 343.9 0.23 30 300 9730 -29.1 -50.1 11 21.0 -31.2 160 3 344.4 344.4 295.5 344.9 0.13 31 282 10167 -32.9 -53.9 10 21.0 -34.6 114 5 345.1 345.1 295.6 345.4 0.09 32 267 10548 -36.3 -53.3 16 17.0 -37.5 74 7 345.5 345.6 295.7 346.0 0.10 33 257 10811 -38.3 -41.9 69 3.6 -38.7 45 8 346.4 346.5 296.1 347.9 0.37 34 254 10892 -38.7 -46.7 43 8.0 -39.4 37 8 347.0 347.0 296.1 347.9 0.23 35 250 11000 -39.5 -45.5 53 6.0 -40.0 25 9 347.3 347.4 296.3 348.4 0.26 36 239 11305 -42.3 -45.4 72 3.1 -42.6 40 9 347.6 347.7 296.4 348.7 0.28 37 231 11534 -44.1 -50.1 51 6.0 -44.5 52 8 348.3 348.3 296.4 349.0 0.17 38 218 11919 -47.9 -50.6 74 2.7 -48.0 71 8 348.2 348.3 296.4 348.9 0.17 39 213 12071 -49.3 -55.3 49 6.0 -49.6 79 8 348.4 348.4 296.4 348.8 0.10 40 211 12133 -49.7 -66.7 12 17.0 -50.1 82 7 348.7 348.7 296.4 348.8 0.02 41 201 12448 -52.5 -62.5 29 10.0 -52.8 98 7 349.1 349.1 296.5 349.3 0.04 42 200 12480 -52.7 -62.7 29 10.0 -52.9 100 7 349.3 349.3 296.5 349.5 0.04 43 198 12545 -53.1 -65.1 22 12.0 -53.4 98 7 349.7 349.7 296.6 349.8 0.03 44 179 13188 -57.9 -70.9 17 13.0 -58.1 81 11 352.1 352.1 297.1 352.1 0.01 45 177 13259 -58.5 -64.5 46 6.0 -58.6 79 11 352.2 352.2 297.1 352.4 0.04 46 175 13330 -59.3 -64.3 52 5.0 -59.4 77 12 352.0 352.1 297.1 352.2 0.04 47 166 13660 -61.5 -70.5 29 9.0 -61.6 68 13 353.7 353.7 297.4 353.8 0.02 48 150 14280 -67.1 -72.1 49 5.0 -67.1 50 17 354.5 354.5 297.6 354.6 0.02 49 147 14402 -68.3 -72.7 53 4.4 -68.4 50 17 354.5 354.5 297.6 354.5 0.01 50 140 14692 -70.9 -77.9 35 7.0 -70.9 50 17 354.9 354.9 297.7 354.9 0.01 51 126 15310 -74.9 -82.9 28 8.0 -74.9 50 17 358.5 358.5 298.4 358.5 0.00 52 116 15786 -78.3 -85.3 31 7.0 -78.3 50 17 360.8 360.8 298.8 360.8 0.00 53 100 16630 -79.7 -85.7 36 6.0 -79.7 50 17 373.7 373.7 301.2 373.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 553.48 mb = 5083.71 m = 16678.65 ft Wetbulb zero: 669.61 mb = 3531.87 m = 11587.35 ft Precipitable water: 1.80 inches Sfc-500 mean rel hum: 51.95 % Est. max temperature: 32.21 C = 89.98 F Sfc-Lift cond lev (LCL): 995.01 mb = 150.00 m = 492.12 ft T: 25.93 C 700-500 lapse rate: 4.95 C/km ThetaE index: 35.61 C Layer 1000.0- 790.0 mb Conv cond level (CCL): 914.72 mb = 889.02 m = 2916.70 ft Mean mixing ratio: 17.78 g/kg Conv temperature: 30.04 C = 86.07 F Cap Strength: 0.83 C Lifted Index: -2.76 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.28 C Lifted Index @700 mb: -2.59 C Showalter Index: 1.17 C Risk: Showers probable Total Totals Index: 42.10 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.40 C K Index: 34.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 209.40 Risk: None Energy Index: -1.93 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 963.82 J/kg Max Up Vert Vel: 43.90 m/s Conv Inhibition (B-): 5.39 J/kg Cap Strength: 0.83 C Lift Cond Lev (LCL): 936.08 mb = 687.24 m = 2254.68 ft Lev Free Conv (LFC): 891.08 mb = 1116.31 m = 3662.38 ft Equ Level (EL): 171.08 mb = 13471.78 m = 44198.20 ft B at Equ Level: 960.67 J/kg Wind level data Storm motion: 126 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 1012 19 70 1 -0.9 -0.3 | 313 7 5.5 -5.1 1 1000 106 90 5 -5.0 0.0 | 343 5 1.4 -4.7 2 925 792 135 7 -4.9 4.9 | 261 1 1.5 0.2 3 850 1524 120 7 -6.1 3.5 | 344 1 0.3 -1.2 4 700 3165 65 9 -8.2 -3.8 | 12 9 -1.7 -8.5 5 500 5890 105 19 -18.4 4.9 | 91 12 -11.9 0.2 6 400 7610 105 15 -14.5 3.9 | 84 8 -8.1 -0.8 7 300 9730 160 3 -1.0 2.8 | 289 6 5.4 -1.9 8 250 11000 25 9 -3.8 -8.2 | 349 13 2.6 -12.9 9 200 12480 100 7 -6.9 1.2 | 8 4 -0.5 -3.5 10 150 14280 50 17 -13.0 -10.9 | 23 17 -6.6 -15.6 11 100 16630 50 17 -13.0 -10.9 | 23 17 -6.6 -15.6 Wind Parameters Mean winds (0-6000m): 96.4 at 10.6 knts Storm direction: 126.4 at 8.0 knts Shear (0-3000m) pos: 1.1 neg: 1.4 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 60.8 deg Storm rel helicity (0-3000m) pos: 6.0 neg: -2.3 tot: 3.7 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 0.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 231.73 Bulk Shear: 4.16 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 ------------------------------------------------------------------------------- 500 103 5 338 4| 5.7 0.0 5.7| 5.0 -0.3 4.7 9.3 0.42| 7.2 3.0 1000 119 6 325 2| 3.4 0.0 3.4| 5.1 -1.0 4.1 4.1 0.15| 5.0 0.7 1500 122 6 323 2| 2.3 0.4 2.7| 5.4 -1.0 4.4 2.9 0.24| 3.8 0.9 2000 119 7 336 2| 1.7 0.9 2.6| 5.9 -1.0 4.9 2.5 0.28| 3.4 0.9 2500 113 7 356 2| 1.4 1.2 2.5| 6.0 -1.1 4.9 2.0 0.24| 3.2 0.8 3000 105 7 9 3| 1.1 1.4 2.5| 6.0 -2.3 3.7 1.2 0.17| 3.1 0.5 4000 94 8 19 4| 1.2 1.0 2.3| 14.9 -2.7 12.2 3.0 0.29| 2.9 0.9 5000 92 9 32 5| 1.5 0.8 2.3| 27.6 -2.7 24.9 5.0 0.42| 2.9 1.2 6000 96 11 49 5| 1.6 0.7 2.3| 41.4 -2.9 38.5 6.4 0.49| 2.8 1.4 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250427.00.gif