UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:1200Z 24 APR 25 Station: VTCC WMO ident: 48327 Latitude: 18.78 Longitude: 98.98 Elevation: 314.00 ------------------------------------------------------------------------------- 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 41 SFC 970 314 35.6 18.6 37 17.0 23.4 0 0 311.5 314.1 297.6 354.5 14.04 2 925 747 31.8 15.8 38 16.0 20.6 200 8 311.8 314.2 296.5 349.6 12.29 3 850 1499 24.8 13.8 50 11.0 17.3 220 10 312.1 314.4 296.3 348.3 11.75 4 798 2049 19.8 11.8 60 8.0 14.5 284 11 312.5 314.6 295.8 346.3 10.96 5 767 2389 17.4 9.4 59 8.0 12.3 315 9 313.5 315.3 295.1 343.5 9.70 6 700 3164 11.8 1.8 50 10.0 6.1 350 5 315.6 316.8 293.1 335.3 6.24 7 693 3248 11.6 -2.4 38 14.0 4.2 345 6 316.2 317.1 292.0 331.0 4.63 8 642 3881 5.6 -2.4 56 8.0 1.5 323 12 316.4 317.4 292.3 332.4 5.00 9 624 4114 6.8 -21.2 11 28.0 -3.1 327 15 320.4 320.6 290.0 324.3 1.13 10 622 4140 6.6 -22.4 10 29.0 -3.4 328 15 320.4 320.6 290.0 324.0 1.02 11 553 5095 0.2 -24.8 13 25.0 -7.6 318 13 323.8 324.0 290.9 327.1 0.92 12 530 5435 -0.3 -33.3 6 33.0 -8.9 323 14 327.2 327.3 291.4 328.8 0.44 13 512 5711 -1.5 -32.5 7 31.0 -9.7 327 14 329.0 329.1 291.9 330.8 0.49 14 500 5900 -2.9 -30.9 9 28.0 -10.5 330 14 329.5 329.6 292.2 331.7 0.58 15 427 7116 -14.5 -32.5 20 18.0 -18.4 315 20 329.9 330.0 292.3 332.1 0.58 16 419 7259 -13.1 -42.1 7 29.0 -18.3 312 19 333.5 333.6 292.9 334.4 0.23 17 405 7516 -13.7 -44.7 5 31.0 -18.8 307 19 336.0 336.0 293.5 336.7 0.18 18 400 7610 -14.3 -46.3 5 32.0 -19.4 305 19 336.4 336.4 293.6 337.0 0.15 19 300 9730 -29.3 -53.3 8 24.0 -31.5 275 18 344.1 344.1 295.4 344.5 0.09 20 250 11000 -39.7 -61.7 8 22.0 -40.8 300 14 347.0 347.1 296.0 347.2 0.04 21 200 12490 -51.9 -69.9 10 18.0 -52.2 315 15 350.6 350.6 296.8 350.6 0.02 22 167 13631 -61.5 -74.5 16 13.0 -61.6 310 21 353.1 353.1 297.3 353.2 0.01 23 150 14290 -65.3 -80.3 11 15.0 -65.4 310 13 357.6 357.6 298.2 357.6 0.00 24 129 15199 -69.7 -85.7 8 16.0 -69.8 6 12 365.5 365.5 299.7 365.5 0.00 25 110 16134 -76.3 -89.3 11 13.0 -76.3 118 6 370.1 370.1 300.6 370.1 0.00 26 100 16680 -78.7 -91.7 10 13.0 -78.7 150 4 375.7 375.7 301.5 375.7 0.00 27 85 17591 -82.7 -94.7 11 12.0 -82.7 175 11 385.4 385.4 303.1 385.5 0.00 28 77 18144 -79.5 -94.5 7 15.0 -79.6 48 5 403.2 403.2 305.6 403.2 0.00 29 73 18444 -80.9 -94.9 8 14.0 -80.9 43 4 406.4 406.4 306.0 406.4 0.00 30 70 18680 -79.5 -94.5 7 15.0 -79.6 85 6 414.3 414.3 307.0 414.3 0.00 31 67 18931 -76.7 -93.7 5 17.0 -76.7 125 6 425.6 425.6 308.3 425.6 0.00 32 58 19766 -75.3 -91.3 6 16.0 -75.4 255 4 446.7 446.7 310.6 446.7 0.00 33 56 19972 -69.7 -88.7 5 19.0 -69.8 232 5 464.0 464.0 312.1 464.0 0.00 34 51 20531 -69.5 -88.5 5 19.0 -69.6 144 7 477.0 477.0 313.2 477.0 0.00 35 50 20650 -66.9 -86.9 4 20.0 -67.1 125 7 485.8 485.8 313.9 485.9 0.00 36 48 20898 -64.9 -86.9 3 22.0 -65.2 113 7 496.3 496.3 314.7 496.3 0.00 37 40 22007 -65.9 -86.9 4 21.0 -66.2 81 8 520.4 520.4 316.3 520.4 0.01 38 32 23393 -56.5 -81.5 3 25.0 -57.8 579.8 579.8 319.6 579.9 0.02 TRP 85 17591 -82.7 -94.7 11 12.0 -82.7 175 11 385.4 385.4 303.1 385.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5859.00 m Freezing level: 543.80 mb = 5230.98 m = 17161.80 ft Wetbulb zero: 636.15 mb = 3955.56 m = 12977.40 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 35.68 % Est. max temperature: 36.48 C = 97.66 F Sfc-Lift cond lev (LCL): 759.84 mb = 2468.76 m = 8099.50 ft T: 16.83 C 700-500 lapse rate: 5.37 C/km ThetaE index: 23.44 C Layer 925.0- 642.0 mb Conv cond level (CCL): 700.65 mb = 3156.08 m = 10354.46 ft Mean mixing ratio: 12.56 g/kg Conv temperature: 39.65 C = 103.36 F Cap Strength: 2.34 C Lifted Index: -0.11 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.14 C Lifted Index @700 mb: 1.12 C Showalter Index: 0.65 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 16.70 C K Index: 31.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 199.60 Risk: None Energy Index: -3.08 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 382.60 J/kg Max Up Vert Vel: 27.66 m/s Conv Inhibition (B-): 81.16 J/kg Cap Strength: 2.34 C Lift Cond Lev (LCL): 737.54 mb = 2721.21 m = 8927.73 ft Lev Free Conv (LFC): 662.54 mb = 3619.94 m = 11876.30 ft Equ Level (EL): 622.54 mb = 4133.00 m = 13559.54 ft B at Equ Level: 17.90 J/kg Max Parcel Lev (MPL): 132.54 mb = 15035.78 m = 49329.39 ft Wind level data Storm motion: 340 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 ---------------------------------------------------------- 0 970 314 0 0 -0.0 -0.0 | 160 8 -2.8 7.9 1 939 610 210 8 4.0 6.9 | 184 15 1.2 14.9 2 925 747 200 8 2.7 7.5 | 180 15 -0.1 15.4 3 908 914 215 9 5.2 7.4 | 189 15 2.3 15.3 4 877 1219 220 10 6.4 7.7 | 193 16 3.6 15.6 5 850 1499 220 10 6.4 7.7 | 193 16 3.6 15.6 6 818 1829 260 11 10.8 1.9 | 219 13 8.0 9.8 7 789 2134 295 11 10.0 -4.6 | 245 8 7.1 3.3 8 762 2438 320 9 5.8 -6.9 | 251 3 2.9 1.0 9 735 2743 330 6 3.0 -5.2 | 183 3 0.2 2.7 10 700 3164 350 5 0.9 -4.9 | 147 4 -2.0 3.0 11 659 3658 320 10 6.4 -7.7 | 266 4 3.6 0.3 12 611 4267 330 17 8.5 -14.7 | 320 9 5.7 -6.8 13 567 4877 315 13 9.2 -9.2 | 281 6 6.4 -1.3 14 500 5900 330 14 7.0 -12.1 | 315 6 4.2 -4.2 15 487 6096 335 21 8.9 -19.0 | 331 13 6.0 -11.1 16 400 7610 305 19 15.6 -10.9 | 283 13 12.7 -3.0 17 399 7620 305 20 16.4 -11.5 | 285 14 13.5 -3.5 18 325 9144 275 15 14.9 -1.3 | 241 14 12.1 6.6 19 300 9730 275 18 17.9 -1.6 | 247 16 15.1 6.4 20 262 10668 300 14 12.1 -7.0 | 264 9 9.3 0.9 21 250 11000 300 14 12.1 -7.0 | 264 9 9.3 0.9 22 209 12192 320 16 10.3 -12.3 | 300 9 7.4 -4.3 23 200 12490 315 15 10.6 -10.6 | 289 8 7.8 -2.7 24 164 13716 310 21 16.1 -13.5 | 293 14 13.2 -5.6 25 150 14290 310 13 10.0 -8.4 | 273 7 7.1 -0.4 26 128 15240 10 12 -2.1 -11.8 | 52 6 -4.9 -3.9 27 104 16459 160 4 -1.4 3.8 | 160 12 -4.2 11.7 28 100 16680 150 4 -2.0 3.5 | 157 12 -4.8 11.4 29 85 17591 175 11 -1.0 11.0 | 169 19 -3.8 18.9 30 75 18288 15 3 -0.8 -2.9 | 144 6 -3.6 5.0 31 70 18680 85 6 -6.0 -0.5 | 130 12 -8.8 7.4 32 58 19812 260 4 3.9 0.7 | 187 9 1.1 8.6 33 50 20650 125 7 -5.7 4.0 | 144 15 -8.6 11.9 34 44 21336 85 8 -8.0 -0.7 | 124 13 -10.8 7.2 35 32 22860 70 8 -7.5 -2.7 | 117 12 -10.4 5.2 Wind Parameters Mean winds (0-6000m): 310.3 at 11.2 knts Storm direction: 340.3 at 8.4 knts Shear (0-3000m) pos: 2.4 neg: 1.4 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): -2.1 deg Storm rel helicity (0-3000m) pos: 61.7 neg: -14.1 tot: 47.5 m^2/s^2 ave: 15.8 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 2.1 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 15.38 Bulk Shear: 24.88 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 ------------------------------------------------------------------------------- 500 207 6 179 13| 0.0 8.6 8.6| 11.5 -10.8 0.7 1.5 0.14| 15.2 2.1 1000 213 8 185 14| 1.4 4.3 5.7| 22.6 -10.8 11.8 11.8 0.27| 9.0 2.4 1500 221 9 191 15| 3.0 2.9 5.9| 46.7 -10.8 36.0 24.0 0.45| 8.4 3.8 2000 239 9 202 14| 3.7 2.2 5.9| 61.4 -10.8 50.6 25.3 0.48| 8.9 4.3 2500 253 9 208 12| 2.6 1.7 4.4| 61.4 -13.0 48.4 19.3 0.33| 8.2 2.7 3000 263 8 211 10| 2.4 1.4 3.8| 61.7 -14.1 47.5 15.8 0.28| 7.4 2.1 4000 290 9 231 7| 2.4 1.3 3.6| 69.6 -14.2 55.4 13.9 0.36| 7.0 2.6 5000 302 10 246 6| 2.0 1.3 3.3| 71.9 -23.1 48.8 9.8 0.27| 6.3 1.7 6000 310 11 263 6| 2.3 1.1 3.4| 80.7 -28.0 52.8 8.8 0.28| 6.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250424.12.gif