UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060600.upa.cvt Date: 0000Z 6 JUN 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 6 JUN 25 Station: VTBC WMO ident: 48480 Latitude: 12.60 Longitude: 102.12 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1009 4 23.4 22.6 95 0.8 22.9 30 3 295.8 298.9 295.7 345.7 17.36 1 1001 73 23.0 22.1 95 0.9 22.4 12 3 296.1 299.1 295.5 344.9 16.96 2 1000 82 23.2 22.1 94 1.1 22.4 10 3 296.4 299.4 295.6 345.3 16.98 3 975 305 26.4 20.4 70 6.0 22.1 285 3 301.7 304.6 296.1 347.9 15.66 4 951 525 24.8 22.9 89 1.9 23.4 271 8 302.3 305.7 298.3 357.9 18.80 5 925 769 23.6 20.9 85 2.7 21.6 260 13 303.4 306.6 297.5 354.1 17.06 6 850 1506 19.6 15.8 79 3.8 17.0 265 12 306.7 309.2 296.0 347.0 13.40 7 806 1963 16.6 14.9 90 1.7 15.4 296 13 308.2 310.7 296.3 348.6 13.34 8 700 3156 11.2 6.7 74 4.5 8.4 320 15 314.9 316.6 294.9 342.5 8.83 9 646 3823 7.0 4.6 85 2.4 5.6 281 14 317.4 319.0 295.1 343.6 8.27 10 632 4004 6.4 2.1 74 4.3 3.9 270 13 318.8 320.1 294.6 341.3 7.07 11 627 4069 6.8 0.8 66 6.0 3.4 266 13 319.9 321.2 294.5 340.7 6.48 12 589 4579 1.8 -0.2 87 2.0 0.7 236 12 319.9 321.1 294.4 340.5 6.42 13 500 5890 -4.1 -4.6 96 0.5 -4.4 170 8 328.0 329.1 295.8 346.2 5.45 14 489 6066 -4.7 -5.5 94 0.8 -5.1 153 5 329.4 330.4 295.9 346.8 5.20 15 477 6261 -6.3 -6.3 100 0.0 -6.3 143 6 329.8 330.8 295.8 346.6 5.01 16 400 7620 -14.1 -15.3 91 1.2 -14.6 85 12 336.7 337.3 296.0 346.9 2.91 17 366 8290 -18.1 -19.2 91 1.1 -18.5 89 13 340.0 340.5 296.3 348.2 2.29 18 365 8311 -18.1 -18.7 95 0.6 -18.3 89 14 340.3 340.8 296.4 348.9 2.40 19 351 8603 -19.7 -21.3 87 1.6 -20.2 91 15 341.9 342.3 296.4 349.2 1.99 20 332 9013 -24.5 -43.5 15 19.0 -27.1 94 17 340.8 340.9 294.7 341.8 0.24 21 328 9101 -23.3 -37.3 27 14.0 -25.8 95 18 343.7 343.8 295.6 345.5 0.47 22 326 9146 -23.3 -40.3 20 17.0 -26.1 95 18 344.3 344.3 295.7 345.7 0.35 23 321 9259 -24.5 -29.4 64 4.9 -25.6 95 18 344.1 344.4 296.2 348.1 1.04 24 319 9305 -24.5 -40.5 21 16.0 -27.0 95 18 344.8 344.8 295.8 346.1 0.35 25 307 9583 -26.3 -42.3 21 16.0 -28.6 95 19 346.0 346.1 296.0 347.2 0.30 26 300 9750 -27.9 -43.9 20 16.0 -30.0 95 20 346.1 346.1 296.0 347.1 0.26 27 296 9846 -28.5 -45.5 18 17.0 -30.6 96 20 346.5 346.6 296.1 347.4 0.22 28 284 10141 -30.9 -45.9 22 15.0 -32.6 99 20 347.2 347.3 296.2 348.1 0.22 29 280 10241 -31.7 -37.7 55 6.0 -32.6 100 21 347.5 347.6 296.5 349.6 0.53 30 260 10760 -36.5 -40.6 66 4.1 -37.0 105 20 347.9 348.0 296.5 349.6 0.42 31 250 11030 -38.5 -42.1 69 3.6 -38.9 105 17 348.8 348.9 296.7 350.3 0.38 32 218 11954 -46.5 -51.0 60 4.5 -46.7 105 22 350.4 350.4 296.8 351.1 0.16 33 200 12520 -51.1 -61.1 29 10.0 -51.4 110 28 351.8 351.9 297.1 352.1 0.05 34 196 12651 -52.1 -62.1 29 10.0 -52.4 111 29 352.3 352.3 297.2 352.5 0.05 35 180 13195 -57.3 -65.3 36 8.0 -57.5 113 33 352.5 352.5 297.2 352.6 0.03 36 150 14320 -66.7 -71.3 52 4.6 -66.7 105 49 355.2 355.2 297.7 355.3 0.02 37 132 15080 -73.1 -75.8 66 2.7 -73.1 105 54 357.0 357.0 298.1 357.0 0.01 38 125 15398 -75.1 -78.5 59 3.4 -75.1 105 59 359.0 359.0 298.5 359.0 0.01 39 117 15779 -76.9 -82.9 38 6.0 -76.9 105 69 362.5 362.5 299.2 362.5 0.00 40 115 15878 -77.4 -83.1 39 5.7 -77.4 105 72 363.3 363.3 299.4 363.3 0.00 41 100 16670 -81.7 -85.1 56 3.4 -81.7 110 50 369.9 369.9 300.5 369.9 0.00 42 91 17196 -84.1 -88.2 48 4.1 -84.1 112 48 375.2 375.2 301.5 375.2 0.00 43 85 17574 -82.9 -88.9 35 6.0 -82.9 113 46 385.0 385.0 303.1 385.1 0.00 44 79 17991 -74.5 -87.5 12 13.0 -74.6 114 45 410.6 410.6 306.6 410.6 0.00 45 75 18293 -74.9 -91.9 5 17.0 -75.0 115 44 415.9 415.9 307.2 415.9 0.00 TRP WND 115 15878 -77.4 -83.1 39 5.7 -77.4 105 72 363.3 363.3 299.4 363.3 0.00 Sounding variables and indices 1000-500 mb thick: 5808.00 m Freezing level: 561.85 mb = 4979.20 m = 16335.77 ft Wetbulb zero: 576.38 mb = 4752.64 m = 15592.47 ft Precipitable water: 2.50 inches Sfc-500 mean rel hum: 83.47 % Est. max temperature: 33.91 C = 93.04 F Sfc-Lift cond lev (LCL): 997.69 mb = 102.35 m = 335.78 ft T: 23.49 C 700-500 lapse rate: 5.60 C/km ThetaE index: 10.92 C Layer 925.0- 806.0 mb Conv cond level (CCL): 849.66 mb = 1509.47 m = 4952.28 ft Mean mixing ratio: 17.09 g/kg Conv temperature: 34.33 C = 93.79 F Cap Strength: 2.38 C Lifted Index: -1.72 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.44 C Lifted Index @700 mb: 0.16 C Showalter Index: -0.05 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 19.90 C K Index: 35.00 Risk: > 80 % chance of thunderstorms Sweat Index: 221.60 Risk: None Energy Index: -0.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 408.20 J/kg Max Up Vert Vel: 28.57 m/s Conv Inhibition (B-): 89.56 J/kg Cap Strength: 2.38 C Lift Cond Lev (LCL): 918.11 mb = 834.21 m = 2736.87 ft Lev Free Conv (LFC): 683.11 mb = 3359.00 m = 11020.20 ft Equ Level (EL): 213.11 mb = 12103.35 m = 39708.68 ft B at Equ Level: 407.50 J/kg Max Parcel Lev (MPL): 113.11 mb = 15972.27 m = 52401.81 ft Wind level data Storm motion: 295 at 10 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 1009 4 30 3 -1.5 -2.6 | 98 10 -10.3 1.4 1 1000 82 10 3 -0.5 -3.0 | 96 9 -9.3 1.1 2 975 305 285 3 2.9 -0.8 | 119 7 -5.9 3.2 3 942 610 265 10 10.0 0.9 | 194 5 1.2 4.9 4 925 769 260 13 12.8 2.3 | 213 7 4.0 6.3 5 910 914 255 13 12.6 3.4 | 207 8 3.8 7.4 6 850 1506 265 12 12.0 1.0 | 212 6 3.2 5.1 7 848 1524 260 12 11.8 2.1 | 207 7 3.1 6.1 8 789 2134 310 14 10.7 -9.0 | 338 5 2.0 -5.0 9 709 3048 325 15 8.6 -12.3 | 1 8 -0.2 -8.3 10 700 3156 320 15 9.6 -11.5 | 353 8 0.9 -7.5 11 658 3658 290 14 13.2 -4.8 | 280 4 4.4 -0.8 12 588 4572 235 12 9.8 6.9 | 186 11 1.1 10.9 13 566 4877 205 18 7.6 16.3 | 177 20 -1.2 20.3 14 525 5486 180 16 0.0 16.0 | 156 22 -8.8 20.0 15 500 5890 170 8 -1.4 7.9 | 140 16 -10.1 11.9 16 487 6096 150 5 -2.5 4.3 | 127 14 -11.3 8.3 17 400 7620 85 12 -12.0 -1.0 | 98 21 -20.7 3.0 18 400 7620 85 10 -10.0 -0.9 | 100 19 -18.7 3.1 19 326 9144 95 18 -17.9 1.6 | 102 27 -26.7 5.6 20 300 9750 95 20 -19.9 1.7 | 101 29 -28.7 5.8 21 263 10668 105 21 -20.3 5.4 | 108 31 -29.0 9.4 22 250 11030 105 17 -16.4 4.4 | 108 27 -25.2 8.4 23 210 12192 105 23 -22.2 6.0 | 108 33 -31.0 10.0 24 200 12520 110 28 -26.3 9.6 | 111 38 -35.1 13.6 25 165 13716 115 37 -33.5 15.6 | 115 47 -42.3 19.6 26 150 14320 105 49 -47.3 12.7 | 107 59 -56.1 16.7 27 128 15240 105 55 -53.1 14.2 | 106 65 -61.9 18.2 28 115 15878 105 72 -69.5 18.6 | 106 82 -78.3 22.6 29 104 16459 110 71 -66.7 24.3 | 111 81 -75.5 28.3 30 100 16670 110 50 -47.0 17.1 | 111 60 -55.7 21.1 31 73 18288 115 43 -39.0 18.2 | 115 53 -47.7 22.2 32 69 18593 125 35 -28.7 20.1 | 123 45 -37.4 24.1 Wind Parameters Mean winds (0-6000m): 264.6 at 12.8 knts Storm direction: 294.6 at 9.6 knts Shear (0-3000m) pos: 2.7 neg: 2.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): -97.6 deg Storm rel helicity (0-3000m) pos: 32.0 neg: -1.7 tot: 30.3 m^2/s^2 ave: 10.1 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.9 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 30.98 Bulk Shear: 13.18 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 ------------------------------------------------------------------------------- 500 301 4 110 6| 0.0 9.6 9.6| 9.8 -0.6 9.3 18.6 0.61| 10.5 6.4 1000 267 8 167 4| 0.0 7.8 7.8| 15.6 -1.7 13.9 13.9 0.58| 8.9 5.2 1500 264 9 186 5| 0.7 5.2 5.9| 16.5 -1.7 14.9 9.9 0.55| 6.6 3.6 2000 269 10 199 4| 2.5 3.9 6.4| 24.8 -1.7 23.2 11.6 0.66| 7.0 4.6 2500 280 11 225 3| 2.8 3.1 5.9| 29.2 -1.7 27.6 11.0 0.68| 6.5 4.4 3000 289 12 266 2| 2.7 2.6 5.3| 32.0 -1.7 30.3 10.1 0.68| 5.8 3.9 4000 293 12 286 3| 2.0 3.3 5.3| 32.0 -19.6 12.3 3.1 0.22| 6.1 1.3 5000 280 13 245 4| 1.6 3.7 5.3| 32.0 -53.5 -21.5 -4.3 0.00| 6.8 0.0 6000 265 13 218 7| 1.3 2.0 3.4| 32.0-122.0 -90.1 -15.0 -0.16| 7.1 -1.1 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250606.00.gif