UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for VTUU... Searching the city database file for: VTUU ... Date:0000Z 21 APR 25 Station: VTUU WMO ident: 48407 Latitude: 15.25 Longitude: 104.87 Elevation: 127.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 0 0.0 -40.0 3 40.0 -6.1 0 0 273.1 273.2 267.0 273.5 0.12 SFC 996 127 27.4 23.0 77 4.4 24.2 0 0 300.9 304.2 297.5 353.9 18.04 2 974 325 27.6 19.6 62 8.0 21.9 266 4 303.0 305.8 296.0 347.2 14.90 3 925 780 25.4 17.4 61 8.0 19.8 210 14 305.3 307.8 295.7 346.1 13.64 4 922 809 25.2 17.2 61 8.0 19.6 211 14 305.4 307.9 295.7 345.8 13.51 5 850 1519 20.2 15.3 73 4.9 16.8 230 3 307.3 309.7 295.8 346.4 12.97 6 764 2430 13.6 8.9 73 4.7 10.7 145 11 309.7 311.5 293.9 338.5 9.41 7 700 3165 10.4 2.4 58 8.0 5.9 125 15 314.0 315.2 292.9 334.4 6.51 8 669 3541 9.2 -7.8 29 17.0 1.3 129 15 316.7 317.4 290.9 327.1 3.18 9 642 3880 7.0 -15.0 19 22.0 -1.8 127 15 318.0 318.4 290.0 324.2 1.86 10 598 4459 2.6 -9.4 41 12.0 -2.7 124 14 319.4 320.0 291.6 329.7 3.13 11 597 4473 2.6 -9.4 41 12.0 -2.7 125 14 319.6 320.2 291.7 329.9 3.14 12 584 4650 2.2 -19.8 18 22.0 -5.5 129 15 321.1 321.4 290.5 325.8 1.36 13 500 5890 -3.9 -27.9 14 24.0 -10.7 130 8 328.3 328.4 292.0 331.1 0.77 14 462 6507 -7.9 -42.9 4 35.0 -14.5 136 10 330.8 330.8 292.2 331.5 0.19 15 454 6643 -8.5 -43.5 4 35.0 -15.0 139 10 331.7 331.7 292.4 332.4 0.18 16 400 7610 -15.3 -35.3 16 20.0 -19.4 165 11 335.1 335.2 293.6 336.9 0.47 17 377 8053 -18.9 -32.9 28 14.0 -21.8 133 11 336.1 336.2 293.9 338.5 0.64 18 371 8172 -19.7 -35.7 23 16.0 -22.7 124 11 336.6 336.7 293.9 338.4 0.49 19 339 8837 -22.3 -48.3 8 26.0 -25.6 74 10 341.8 341.8 294.9 342.4 0.14 20 338 8859 -22.5 -44.5 12 22.0 -25.6 73 10 341.8 341.9 295.0 342.7 0.22 21 312 9440 -27.7 -36.7 42 9.0 -29.2 58 8 342.5 342.6 295.4 344.5 0.53 22 300 9720 -29.9 -39.9 37 10.0 -31.3 65 8 343.2 343.3 295.4 344.8 0.40 23 270 10466 -34.9 -45.9 32 11.0 -36.0 88 6 346.5 346.5 296.1 347.4 0.23 24 263 10649 -36.1 -56.1 11 20.0 -37.4 94 5 347.3 347.3 296.1 347.6 0.07 25 250 11000 -39.1 -55.1 17 16.0 -40.1 85 6 347.9 348.0 296.3 348.3 0.09 26 213 12078 -48.5 -66.5 11 18.0 -49.0 67 3 349.6 349.6 296.5 349.7 0.02 27 201 12458 -51.7 -60.7 33 9.0 -52.0 61 1 350.4 350.4 296.8 350.6 0.05 28 200 12490 -51.9 -60.9 33 9.0 -52.2 60 1 350.6 350.6 296.8 350.8 0.05 29 162 13819 -63.7 -75.7 18 12.0 -63.8 352.5 352.5 297.2 352.5 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5890.00 m Freezing level: 553.70 mb = 5097.47 m = 16723.77 ft Wetbulb zero: Below ground Precipitable water: 1.62 inches Sfc-500 mean rel hum: 46.68 % Est. max temperature: 33.91 C = 93.04 F Sfc-Lift cond lev (LCL): 934.62 mb = 688.75 m = 2259.64 ft T: 25.84 C 700-500 lapse rate: 5.25 C/km ThetaE index: 22.20 C Layer 764.0- 598.0 mb Conv cond level (CCL): 793.06 mb = 2111.46 m = 6927.29 ft Mean mixing ratio: 14.48 g/kg Conv temperature: 35.38 C = 95.68 F Cap Strength: 3.07 C Lifted Index: 0.01 C Risk: Showers probable Lifted Index @300 mb: -0.04 C Lifted Index @700 mb: 0.54 C Showalter Index: 0.36 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 19.20 C K Index: 31.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 197.60 Risk: None Energy Index: -2.91 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 107.08 J/kg Max Up Vert Vel: 14.63 m/s Conv Inhibition (B-): 139.87 J/kg Cap Strength: 3.07 C Lift Cond Lev (LCL): 848.06 mb = 1538.56 m = 5047.71 ft Lev Free Conv (LFC): 623.06 mb = 4124.54 m = 13531.79 ft Equ Level (EL): 343.06 mb = 8749.74 m = 28706.14 ft B at Equ Level: 103.58 J/kg Max Parcel Lev (MPL): 223.06 mb = 11767.57 m = 38607.04 ft Wind level data Storm motion: 171 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 ---------------------------------------------------------- 0 996 127 0 0 -0.0 -0.0 | 351 8 1.3 -8.0 1 976 305 270 3 3.0 -0.0 | 332 9 4.3 -8.0 2 943 610 210 14 7.0 12.1 | 244 9 8.3 4.1 3 925 780 210 14 7.0 12.1 | 244 9 8.3 4.1 4 911 914 215 12 6.9 9.8 | 257 8 8.1 1.8 5 880 1219 240 6 5.2 3.0 | 308 8 6.5 -5.0 6 850 1519 230 3 2.3 1.9 | 330 7 3.6 -6.1 7 819 1829 125 4 -3.3 2.3 | 19 6 -2.0 -5.7 8 791 2134 140 7 -4.5 5.4 | 51 4 -3.2 -2.7 9 763 2438 145 11 -6.3 9.0 | 101 5 -5.1 1.0 10 736 2743 130 12 -9.2 7.7 | 88 8 -7.9 -0.3 11 700 3165 125 15 -12.3 8.6 | 93 11 -11.0 0.6 12 659 3658 130 15 -11.5 9.6 | 99 10 -10.2 1.6 13 611 4267 120 14 -12.1 7.0 | 85 11 -10.9 -1.0 14 567 4877 135 15 -10.6 10.6 | 105 10 -9.4 2.6 15 500 5890 130 8 -6.1 5.1 | 59 6 -4.9 -2.9 16 487 6096 125 9 -7.4 5.2 | 65 7 -6.1 -2.9 17 400 7610 165 11 -2.8 10.6 | 149 3 -1.6 2.6 18 399 7620 165 12 -3.1 11.6 | 153 4 -1.9 3.6 19 325 9144 50 9 -6.9 -5.8 | 22 15 -5.6 -13.8 20 300 9720 65 8 -7.3 -3.4 | 28 13 -6.0 -11.4 21 262 10668 95 5 -5.0 0.4 | 26 8 -3.7 -7.6 22 250 11000 85 6 -6.0 -0.5 | 29 10 -4.7 -8.5 23 209 12192 65 3 -2.7 -1.3 | 9 9 -1.5 -9.3 24 200 12490 60 1 -0.9 -0.5 | 357 9 0.4 -8.5 25 164 13716 90 6 -6.0 0.0 | 31 9 -4.7 -8.0 Wind Parameters Mean winds (0-6000m): 141.1 at 10.8 knts Storm direction: 171.1 at 8.1 knts Shear (0-3000m) pos: 1.3 neg: 3.3 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 101.7 deg Storm rel helicity (0-3000m) pos: 41.6 neg: -43.5 tot: -1.9 m^2/s^2 ave: -0.6 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 0.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 5.93 Bulk Shear: 18.06 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 ------------------------------------------------------------------------------- 500 223 6 302 6| 0.0 14.4 14.4| 0.0 -41.3 -41.3 -82.6 -0.96| 18.6-17.9 1000 217 9 277 7| 3.8 7.2 11.0| 16.0 -41.3 -25.3 -25.3 -0.40| 13.1 -5.2 1500 220 8 290 7| 2.5 3.7 6.2| 27.0 -41.3 -14.3 -9.5 -0.14| 11.2 -1.5 2000 209 7 294 5| 1.9 3.4 5.3| 35.5 -41.3 -5.8 -2.9 0.05| 10.3 0.5 2500 190 7 285 3| 1.5 3.6 5.1| 39.9 -42.5 -2.6 -1.0 0.11| 9.5 1.0 3000 171 8 169 0| 1.3 3.3 4.6| 41.6 -43.5 -1.9 -0.6 0.10| 8.6 0.9 4000 151 10 102 4| 0.8 2.3 3.2| 44.7 -49.1 -4.4 -1.1 0.08| 6.9 0.6 5000 143 11 98 5| 0.5 1.9 2.4| 53.8 -52.6 1.2 0.2 0.11| 6.1 0.6 6000 141 11 94 6| 0.4 1.2 1.6| 54.7 -60.4 -5.7 -0.9 0.04| 5.6 0.2 Wrote GIF file: /home/apache/climate/data/raob//VTUU/skewt/VTUU.skewt.20250421.00.gif