UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070412.upa.cvt Date: 1200Z 4 JUL 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:1200Z 4 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 52 SFC 971 314 28.4 20.4 62 8.0 22.6 0 0 304.1 307.0 296.8 350.9 15.72 2 939 611 27.6 18.6 58 9.0 21.2 260 3 306.2 308.9 296.6 349.8 14.51 3 925 744 26.4 17.4 58 9.0 20.1 250 6 306.3 308.8 296.0 347.3 13.64 4 850 1484 20.4 13.4 64 7.0 15.7 280 10 307.5 309.7 294.8 342.1 11.44 5 819 1804 17.6 11.6 68 6.0 13.7 285 15 307.8 309.8 294.3 339.7 10.54 6 738 2687 11.8 8.4 80 3.4 9.7 302 11 310.8 312.6 294.3 339.7 9.42 7 730 2778 13.0 7.0 67 6.0 9.3 300 11 313.1 314.7 294.3 339.9 8.64 8 700 3130 10.2 5.2 71 5.0 7.2 295 11 313.8 315.3 294.0 338.6 7.95 9 656 3668 7.2 3.6 78 3.6 5.1 270 5 316.3 317.7 294.4 340.2 7.58 10 613 4226 7.2 -0.8 57 8.0 2.8 288 6 322.5 323.6 294.7 341.6 5.90 11 608 4294 6.8 -1.2 57 8.0 2.4 290 6 322.8 323.9 294.7 341.6 5.77 12 513 5667 -2.9 -7.1 73 4.2 -4.9 311 10 327.1 328.0 294.7 341.7 4.38 13 500 5870 -3.5 -9.5 63 6.0 -6.2 315 11 328.8 329.5 294.7 341.4 3.72 14 414 7346 -10.5 -17.5 56 7.0 -13.1 351 6 338.0 338.5 295.8 346.3 2.34 15 400 7610 -12.3 -19.3 56 7.0 -14.7 355 5 339.0 339.4 295.8 346.5 2.08 16 329 9070 -21.7 -30.7 44 9.0 -23.8 30 4 345.6 345.8 296.4 349.0 0.90 17 300 9740 -27.1 -36.1 42 9.0 -28.7 30 3 347.2 347.3 296.5 349.5 0.58 18 250 11030 -38.3 -45.3 48 7.0 -38.9 35 11 349.1 349.2 296.7 350.2 0.27 19 222 11833 -45.3 -52.3 45 7.0 -45.7 59 21 350.4 350.5 296.8 351.0 0.14 20 210 12201 -47.7 -57.7 31 10.0 -48.1 70 25 352.3 352.3 297.2 352.6 0.07 21 200 12520 -50.7 -58.7 38 8.0 -51.0 70 28 352.5 352.5 297.3 352.8 0.07 22 150 14330 -66.5 -71.3 51 4.8 -66.5 65 47 355.5 355.5 297.8 355.6 0.02 23 135 14959 -71.9 -76.6 49 4.7 -71.9 82 34 356.8 356.8 298.1 356.9 0.01 24 127 15317 -74.1 -78.5 51 4.4 -74.1 90 28 359.1 359.2 298.5 359.2 0.01 25 123 15503 -73.5 -77.7 52 4.2 -73.5 89 29 363.5 363.5 299.4 363.6 0.01 26 109 16200 -78.7 -81.6 62 2.9 -78.7 86 31 366.5 366.5 299.9 366.5 0.00 27 107 16305 -78.7 -81.2 67 2.5 -78.7 86 31 368.5 368.5 300.3 368.5 0.01 28 103 16522 -79.3 -82.4 60 3.1 -79.3 90 33 371.4 371.4 300.8 371.4 0.00 29 102 16577 -79.3 -82.6 58 3.3 -79.3 90 33 372.4 372.4 301.0 372.4 0.00 30 100 16690 -77.9 -81.6 55 3.7 -77.9 90 32 377.2 377.2 301.8 377.2 0.01 31 83 17751 -79.3 -83.9 47 4.6 -79.3 80 39 395.0 395.0 304.5 395.0 0.00 32 78 18108 -73.9 -80.9 33 7.0 -73.9 77 42 413.3 413.3 306.9 413.3 0.01 33 77 18184 -73.5 -80.5 33 7.0 -73.5 76 42 415.7 415.7 307.2 415.7 0.01 34 72 18575 -74.7 -81.7 33 7.0 -74.7 78 47 421.2 421.2 307.9 421.2 0.01 35 70 18740 -71.5 -79.5 29 8.0 -71.6 80 50 431.4 431.4 309.0 431.5 0.01 36 66 19091 -69.3 -78.3 26 9.0 -69.4 92 47 443.5 443.5 310.3 443.6 0.01 37 51 20640 -67.9 -78.9 19 11.0 -68.1 102 41 480.7 480.8 313.5 480.8 0.02 38 50 20760 -64.7 -77.7 15 13.0 -65.0 100 41 491.0 491.0 314.3 491.1 0.02 39 47 21141 -61.7 -75.7 14 14.0 -62.1 100 40 507.0 507.0 315.4 507.2 0.03 40 39 22296 -61.7 -78.7 9 17.0 -62.3 100 43 534.8 534.8 317.2 534.9 0.02 41 34 23156 -56.9 -76.9 6 20.0 -58.0 100 48 568.8 568.8 319.1 569.0 0.03 TRP 103 16522 -79.3 -82.4 60 3.1 -79.3 90 33 371.4 371.4 300.8 371.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5818.00 m Freezing level: 541.40 mb = 5256.06 m = 17244.08 ft Wetbulb zero: 576.58 mb = 4722.34 m = 15493.04 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 66.98 % Est. max temperature: 32.09 C = 89.76 F Sfc-Lift cond lev (LCL): 864.61 mb = 1334.86 m = 4379.40 ft T: 21.61 C 700-500 lapse rate: 5.00 C/km ThetaE index: 11.17 C Layer 939.0- 730.0 mb Conv cond level (CCL): 778.82 mb = 2230.24 m = 7316.97 ft Mean mixing ratio: 13.72 g/kg Conv temperature: 33.55 C = 92.39 F Cap Strength: 2.55 C Lifted Index: 0.41 C Risk: Showers probable Lifted Index @300 mb: 2.70 C Lifted Index @700 mb: 0.34 C Showalter Index: 2.46 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 16.90 C K Index: 32.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 191.80 Risk: None Energy Index: -0.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.18 J/kg Max Up Vert Vel: 4.51 m/s Conv Inhibition (B-): 73.84 J/kg Cap Strength: 2.49 C Lift Cond Lev (LCL): 813.72 mb = 1858.62 m = 6097.75 ft Lev Free Conv (LFC): 668.72 mb = 3508.71 m = 11511.36 ft Equ Level (EL): 648.72 mb = 3759.71 m = 12334.86 ft B at Equ Level: 8.87 J/kg Max Parcel Lev (MPL): 628.72 mb = 4017.67 m = 13181.17 ft Wind level data Storm motion: 326 at 6 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 0 0 -0.0 -0.0 | 146 6 -3.7 5.3 1 939 610 260 3 3.0 0.5 | 173 6 -0.7 5.9 2 925 744 250 6 5.6 2.1 | 195 8 2.0 7.4 3 907 914 300 9 7.8 -4.5 | 259 4 4.1 0.8 4 876 1219 275 10 10.0 -0.9 | 235 8 6.3 4.5 5 850 1484 280 10 9.8 -1.7 | 240 7 6.2 3.6 6 816 1829 285 15 14.5 -3.9 | 262 11 10.8 1.4 7 787 2134 295 13 11.8 -5.5 | 271 8 8.1 -0.2 8 759 2438 310 9 6.9 -5.8 | 278 3 3.2 -0.5 9 733 2743 300 11 9.5 -5.5 | 272 6 5.9 -0.2 10 700 3130 295 11 10.0 -4.6 | 264 6 6.3 0.7 11 656 3658 270 5 5.0 -0.0 | 194 5 1.3 5.3 12 609 4267 290 6 5.6 -2.1 | 211 4 2.0 3.3 13 565 4877 295 7 6.3 -3.0 | 229 4 2.7 2.4 14 500 5870 315 11 7.8 -7.8 | 301 5 4.1 -2.4 15 486 6096 335 9 3.8 -8.2 | 357 3 0.1 -2.8 16 400 7610 355 5 0.4 -5.0 | 96 3 -3.2 0.4 17 399 7620 25 4 -1.7 -3.6 | 108 6 -5.4 1.7 18 325 9144 30 4 -2.0 -3.5 | 108 6 -5.7 1.9 19 300 9740 30 3 -1.5 -2.6 | 118 6 -5.2 2.7 20 263 10668 40 8 -5.1 -6.1 | 85 9 -8.8 -0.8 21 250 11030 35 11 -6.3 -9.0 | 70 11 -10.0 -3.7 22 210 12192 70 25 -23.5 -8.6 | 83 27 -27.2 -3.2 23 200 12520 70 28 -26.3 -9.6 | 82 30 -30.0 -4.2 24 165 13716 60 47 -40.7 -23.5 | 68 48 -44.4 -18.2 25 150 14330 65 47 -42.6 -19.9 | 73 48 -46.3 -14.5 26 128 15240 90 28 -28.0 0.0 | 100 32 -31.7 5.3 27 104 16459 85 32 -31.9 -2.8 | 94 36 -35.5 2.5 28 103 16522 90 33 -33.0 0.0 | 98 37 -36.7 5.3 29 100 16690 90 32 -32.0 0.0 | 99 36 -35.7 5.3 30 76 18288 75 43 -41.5 -11.1 | 83 46 -45.2 -5.8 31 70 18740 80 50 -49.2 -8.7 | 86 53 -52.9 -3.4 32 59 19812 115 40 -36.3 16.9 | 119 46 -39.9 22.2 33 50 20760 100 41 -40.4 7.1 | 106 46 -44.0 12.5 34 44 21336 100 39 -38.4 6.8 | 106 44 -42.1 12.1 35 32 22860 100 50 -49.2 8.7 | 105 55 -52.9 14.0 Wind Parameters Mean winds (0-6000m): 295.5 at 8.6 knts Storm direction: 325.5 at 6.5 knts Shear (0-3000m) pos: 1.0 neg: 1.3 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 94.4 deg Storm rel helicity (0-3000m) pos: 30.8 neg: -9.6 tot: 21.2 m^2/s^2 ave: 7.1 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.82 Bulk Shear: 5.59 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 ------------------------------------------------------------------------------- 500 258 3 173 6| 0.0 7.4 7.4| 11.6 -0.0 11.6 23.1 0.79| 9.4 7.5 1000 279 6 209 5| 1.5 3.7 5.2| 16.9 -3.7 13.2 13.2 0.50| 9.4 4.7 1500 280 8 227 6| 2.7 2.5 5.2| 25.5 -3.7 21.8 14.5 0.55| 8.1 4.4 2000 285 9 241 6| 1.6 1.9 3.4| 30.7 -3.7 26.9 13.5 0.51| 7.6 3.9 2500 289 10 247 6| 1.2 1.7 2.9| 30.8 -4.6 26.2 10.5 0.43| 6.9 3.0 3000 290 10 250 6| 1.0 1.3 2.4| 30.8 -9.6 21.2 7.1 0.31| 6.3 2.0 4000 289 9 241 5| 1.0 0.8 1.8| 32.4 -15.7 16.7 4.2 0.20| 5.6 1.1 5000 290 8 240 5| 1.1 0.7 1.8| 35.4 -15.7 19.7 3.9 0.25| 4.8 1.2 6000 296 9 249 4| 1.1 0.6 1.7| 42.0 -15.7 26.3 4.4 0.34| 4.6 1.6 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250704.12.gif