UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070812.upa.cvt Date: 1200Z 8 JUL 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:1200Z 8 JUL 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 53 SFC 971 314 30.0 19.0 52 11.0 22.2 240 3 305.7 308.4 296.4 348.8 14.39 2 941 594 26.2 18.2 61 8.0 20.6 273 10 304.6 307.2 295.9 346.7 14.11 3 925 746 26.4 17.4 58 9.0 20.1 245 10 306.3 308.8 296.0 347.3 13.64 4 908 909 25.4 16.4 57 9.0 19.2 288 13 306.9 309.3 295.8 346.1 13.03 5 850 1485 20.2 14.2 68 6.0 16.2 285 13 307.3 309.6 295.2 343.7 12.07 6 806 1942 16.8 11.8 72 5.0 13.6 273 20 308.4 310.4 294.6 341.3 10.85 7 752 2532 13.4 8.4 72 5.0 10.3 286 26 310.9 312.6 294.1 339.3 9.24 8 700 3136 11.8 5.8 67 6.0 8.2 300 23 315.6 317.1 294.7 341.6 8.29 9 667 3540 10.8 2.8 58 8.0 6.1 266 19 318.8 320.2 294.6 341.3 7.04 10 616 4198 5.4 0.4 70 5.0 2.6 289 21 320.0 321.2 294.4 340.5 6.41 11 543 5222 0.8 -5.2 64 6.0 -2.2 312 21 326.2 327.2 294.8 342.1 4.79 12 500 5880 -4.3 -7.7 77 3.4 -5.9 325 14 327.8 328.7 294.8 342.2 4.29 13 495 5959 -4.9 -7.5 82 2.6 -6.1 329 17 328.0 328.9 295.0 342.8 4.40 14 489 6054 -5.9 -9.8 74 3.9 -7.7 333 20 327.9 328.7 294.4 340.5 3.72 15 461 6515 -6.5 -15.5 49 9.0 -10.1 319 16 332.8 333.3 294.7 341.4 2.48 16 449 6720 -7.7 -12.7 67 5.0 -9.8 311 13 333.8 334.4 295.5 344.9 3.21 17 444 6807 -7.7 -13.7 62 6.0 -10.2 307 12 334.8 335.4 295.6 345.3 2.99 18 400 7610 -12.5 -23.5 39 11.0 -15.9 275 1 338.7 339.0 295.3 344.0 1.44 19 371 8181 -16.1 -29.1 32 13.0 -19.4 156 5 341.3 341.5 295.5 344.8 0.93 20 348 8661 -18.5 -28.5 41 10.0 -21.1 114 8 344.4 344.6 296.3 348.4 1.05 21 321 9258 -23.3 -31.3 48 8.0 -25.1 64 12 345.8 346.0 296.4 349.1 0.87 22 300 9750 -26.9 -36.9 38 10.0 -28.6 35 14 347.5 347.6 296.5 349.6 0.54 23 279 10270 -30.9 -43.9 27 13.0 -32.5 57 17 349.0 349.1 296.7 350.1 0.28 24 250 11040 -37.3 -46.3 39 9.0 -38.1 75 22 350.6 350.7 297.0 351.6 0.24 25 200 12530 -50.1 -54.5 60 4.4 -50.3 70 37 353.4 353.5 297.5 353.9 0.12 26 151 14309 -65.7 -69.5 59 3.8 -65.7 55 36 356.2 356.2 298.0 356.3 0.02 27 150 14350 -65.9 -69.7 59 3.8 -66.0 55 36 356.6 356.6 298.0 356.7 0.02 28 131 15157 -72.9 -76.7 56 3.8 -72.9 55 32 358.1 358.1 298.3 358.2 0.01 29 119 15718 -74.3 -79.3 46 5.0 -74.3 66 32 365.5 365.5 299.8 365.6 0.01 30 116 15866 -75.3 -79.9 48 4.6 -75.3 70 32 366.4 366.4 299.9 366.4 0.01 31 102 16599 -81.7 -84.6 61 2.9 -81.7 82 33 367.8 367.8 300.2 367.8 0.00 32 100 16710 -81.9 -84.7 62 2.8 -81.9 80 34 369.5 369.5 300.5 369.5 0.00 33 93 17114 -83.7 -86.0 67 2.3 -83.7 90 41 373.7 373.7 301.2 373.7 0.00 34 92 17174 -83.7 -85.9 68 2.2 -83.7 90 40 374.8 374.8 301.4 374.9 0.00 35 89 17358 -83.7 -86.5 61 2.8 -83.7 91 38 378.4 378.4 302.0 378.4 0.00 36 86 17551 -77.7 -82.4 47 4.7 -77.7 92 35 394.2 394.2 304.4 394.3 0.01 37 84 17686 -75.5 -81.5 38 6.0 -75.5 92 34 401.4 401.4 305.4 401.4 0.01 38 83 17755 -74.7 -80.7 39 6.0 -74.7 93 33 404.4 404.4 305.8 404.4 0.01 39 70 18750 -72.5 -79.5 34 7.0 -72.6 75 36 429.3 429.3 308.7 429.3 0.01 40 50 20770 -64.7 -77.7 15 13.0 -65.0 90 40 491.0 491.0 314.3 491.1 0.02 41 48 21020 -64.1 -78.1 13 14.0 -64.4 90 42 498.2 498.2 314.8 498.3 0.02 42 43 21701 -59.5 -75.5 11 16.0 -60.2 525.4 525.5 316.6 525.7 0.03 TRP 93 17114 -83.7 -86.0 67 2.3 -83.7 90 41 373.7 373.7 301.2 373.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5827.00 m Freezing level: 536.25 mb = 5325.24 m = 17471.05 ft Wetbulb zero: 576.53 mb = 4735.50 m = 15536.23 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 66.43 % Est. max temperature: 32.29 C = 90.13 F Sfc-Lift cond lev (LCL): 827.92 mb = 1711.58 m = 5615.34 ft T: 18.52 C 700-500 lapse rate: 5.87 C/km ThetaE index: 7.99 C Layer 908.0- 700.0 mb Conv cond level (CCL): 764.66 mb = 2390.28 m = 7842.02 ft Mean mixing ratio: 13.45 g/kg Conv temperature: 34.54 C = 94.17 F Cap Strength: 3.05 C Lifted Index: -0.10 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.37 C Lifted Index @700 mb: 2.17 C Showalter Index: 1.01 C Risk: Showers probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 18.50 C K Index: 32.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 210.40 Risk: None Energy Index: -0.29 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.55 J/kg Max Up Vert Vel: 5.75 m/s Conv Inhibition (B-): 240.20 J/kg Cap Strength: 2.97 C Lift Cond Lev (LCL): 810.27 mb = 1897.02 m = 6223.73 ft Lev Free Conv (LFC): 495.27 mb = 5954.66 m = 19536.04 ft Equ Level (EL): 475.27 mb = 6276.79 m = 20592.89 ft B at Equ Level: 14.78 J/kg Max Parcel Lev (MPL): 455.27 mb = 6612.13 m = 21693.09 ft Wind level data Storm motion: 323 at 14 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 ---------------------------------------------------------- 0 971 314 240 3 2.6 1.5 | 155 14 -5.9 12.8 1 939 610 275 10 10.0 -0.9 | 188 11 1.5 10.4 2 925 746 245 10 9.1 4.2 | 182 16 0.6 15.5 3 907 914 290 13 12.2 -4.4 | 209 8 3.7 6.9 4 876 1219 285 13 12.6 -3.4 | 207 9 4.1 7.9 5 850 1485 285 13 12.6 -3.4 | 207 9 4.1 7.9 6 816 1829 275 20 19.9 -1.7 | 230 15 11.4 9.6 7 788 2134 270 21 21.0 -0.0 | 228 17 12.5 11.3 8 760 2438 280 26 25.6 -4.5 | 248 18 17.1 6.8 9 733 2743 300 25 21.7 -12.5 | 275 13 13.2 -1.2 10 700 3136 300 23 19.9 -11.5 | 271 11 11.4 -0.2 11 657 3658 255 18 17.4 4.7 | 209 18 8.9 16.0 12 609 4267 295 21 19.0 -8.9 | 257 11 10.5 2.4 13 565 4877 305 24 19.7 -13.8 | 282 11 11.2 -2.5 14 500 5880 325 14 8.0 -11.5 | 71 0 -0.5 -0.2 15 486 6096 335 22 9.3 -19.9 | 355 9 0.8 -8.6 16 400 7610 275 1 1.0 -0.1 | 146 13 -7.5 11.2 17 399 7620 205 1 0.4 0.9 | 147 15 -8.1 12.2 18 325 9144 70 12 -11.3 -4.1 | 110 21 -19.8 7.2 19 300 9750 35 14 -8.0 -11.5 | 89 17 -16.5 -0.2 20 263 10668 75 20 -19.3 -5.2 | 102 28 -27.8 6.1 21 250 11040 75 22 -21.3 -5.7 | 101 30 -29.7 5.6 22 210 12192 70 34 -31.9 -11.6 | 90 40 -40.4 -0.3 23 200 12530 70 37 -34.8 -12.7 | 88 43 -43.3 -1.3 24 166 13716 55 36 -29.5 -20.6 | 76 39 -38.0 -9.3 25 150 14350 55 36 -29.5 -20.6 | 76 39 -38.0 -9.3 26 129 15240 55 32 -26.2 -18.4 | 79 35 -34.7 -7.0 27 104 16459 85 32 -31.9 -2.8 | 102 41 -40.4 8.5 28 100 16710 80 34 -33.5 -5.9 | 97 42 -42.0 5.4 29 93 17114 90 41 -41.0 0.0 | 103 51 -49.5 11.3 30 76 18288 95 26 -25.9 2.3 | 112 37 -34.4 13.6 31 70 18750 75 36 -34.8 -9.3 | 93 43 -43.3 2.0 32 59 19812 105 33 -31.9 8.5 | 116 45 -40.4 19.9 33 50 20770 90 40 -40.0 0.0 | 103 50 -48.5 11.3 34 44 21336 90 45 -45.0 0.0 | 102 55 -53.5 11.3 Wind Parameters Mean winds (0-6000m): 293.1 at 18.9 knts Storm direction: 323.1 at 14.1 knts Shear (0-3000m) pos: 3.3 neg: 1.8 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 88.6 deg Storm rel helicity (0-3000m) pos: 109.1 neg: -26.5 tot: 82.5 m^2/s^2 ave: 27.5 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.78 Bulk Shear: 21.14 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 ------------------------------------------------------------------------------- 500 262 8 178 12| 8.8 0.0 8.8| 30.6 -2.8 27.8 55.6 0.58| 14.6 8.4 1000 277 10 191 10| 5.7 0.0 5.7| 38.2 -3.2 35.0 35.0 0.52| 10.9 5.7 1500 279 12 200 10| 3.8 2.5 6.3| 50.8 -3.2 47.6 31.7 0.54| 9.8 5.2 2000 276 14 211 11| 3.9 1.9 5.8| 67.3 -5.1 62.1 31.1 0.54| 8.9 4.7 2500 280 17 223 11| 4.0 1.5 5.4|109.1 -5.1 103.9 41.6 0.61| 9.5 5.8 3000 284 18 231 11| 3.3 1.8 5.1|109.1 -26.5 82.5 27.5 0.40| 9.2 3.7 4000 282 18 231 12| 3.7 2.1 5.8|150.1 -61.5 88.6 22.2 0.32| 9.8 3.1 5000 287 19 240 11| 3.2 1.6 4.9|166.6 -61.5 105.1 21.0 0.35| 8.9 3.1 6000 293 19 246 10| 2.8 1.4 4.2|167.8 -65.3 102.6 17.1 0.28| 8.9 2.5 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250708.12.gif