UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050600.upa.cvt Date: 0000Z 6 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 6 MAY 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 1007 4 26.0 24.1 89 1.9 24.6 0 0 298.6 302.0 297.5 354.2 19.09 1 1000 67 25.2 24.7 97 0.5 24.9 190 3 298.4 302.0 298.0 356.5 19.96 2 998 85 25.2 24.6 96 0.6 24.8 190 4 298.5 302.1 298.0 356.5 19.88 3 991 147 27.6 24.1 81 3.5 25.0 188 7 301.5 305.1 298.5 358.9 19.41 4 925 757 23.4 21.6 90 1.8 22.1 175 5 303.2 306.5 298.0 356.2 17.83 5 874 1252 21.4 16.8 75 4.6 18.2 118 6 306.1 308.7 296.1 347.8 13.90 6 850 1494 20.0 16.9 82 3.1 17.8 85 7 307.1 309.8 296.7 350.5 14.40 7 787 2155 15.4 14.4 94 1.0 14.7 105 7 309.0 311.5 296.4 349.2 13.23 8 750 2564 14.0 9.9 76 4.1 11.4 93 6 311.8 313.7 295.1 343.4 10.27 9 700 3145 11.2 8.0 81 3.2 9.2 70 4 314.9 316.7 295.5 345.0 9.67 10 683 3350 10.0 7.9 87 2.1 8.7 74 4 315.8 317.7 295.8 346.6 9.84 11 651 3749 8.4 2.4 66 6.0 4.9 85 5 318.3 319.7 294.5 340.6 7.01 12 588 4585 4.0 -0.5 72 4.5 1.5 140 5 322.6 323.8 295.0 343.0 6.29 13 500 5890 -2.7 -11.7 50 9.0 -6.6 140 12 329.7 330.4 294.4 340.4 3.12 14 498 5922 -3.1 -13.1 46 10.0 -7.3 140 12 329.6 330.2 294.1 339.2 2.80 15 461 6528 -7.5 -10.9 77 3.4 -9.0 133 11 331.5 332.2 295.3 343.9 3.61 16 447 6768 -8.3 -15.3 57 7.0 -11.1 129 11 333.4 334.0 294.9 342.5 2.60 17 400 7620 -14.5 -18.5 72 4.0 -15.9 115 9 336.1 336.6 295.3 344.0 2.22 18 383 7948 -17.1 -19.0 85 1.9 -17.7 114 9 336.9 337.4 295.5 344.8 2.23 19 375 8106 -18.3 -19.0 94 0.7 -18.6 111 9 337.4 337.8 295.6 345.5 2.27 20 338 8876 -23.1 -26.6 73 3.5 -23.9 96 10 341.0 341.3 295.7 345.8 1.29 21 300 9740 -29.5 -31.7 81 2.2 -29.9 120 7 343.8 344.0 296.0 347.2 0.90 22 288 10029 -32.1 -32.6 95 0.5 -32.2 128 7 344.1 344.3 296.1 347.4 0.86 23 260 10741 -37.1 -41.5 64 4.4 -37.6 145 6 347.0 347.1 296.3 348.5 0.39 24 250 11010 -39.3 -44.3 59 5.0 -39.8 145 8 347.6 347.7 296.4 348.8 0.30 25 218 11934 -46.5 -54.5 40 8.0 -46.9 122 9 350.4 350.4 296.8 350.8 0.11 26 200 12500 -51.3 -57.3 49 6.0 -51.5 120 11 351.5 351.5 297.0 351.9 0.08 27 164 13756 -62.3 -68.3 44 6.0 -62.4 120 18 353.6 353.6 297.4 353.7 0.02 28 150 14300 -66.9 -71.0 56 4.1 -67.0 120 21 354.8 354.8 297.7 354.9 0.02 29 148 14381 -67.5 -71.4 57 3.9 -67.5 120 21 355.2 355.2 297.7 355.2 0.02 30 143 14587 -68.9 -75.9 36 7.0 -68.9 120 22 356.2 356.2 298.0 356.3 0.01 31 133 15017 -72.7 -76.6 55 3.9 -72.7 120 22 356.9 356.9 298.1 357.0 0.01 32 129 15196 -74.1 -80.1 39 6.0 -74.1 120 23 357.5 357.5 298.2 357.6 0.01 33 124 15426 -74.9 -83.9 23 9.0 -74.9 117 23 360.2 360.2 298.7 360.2 0.00 34 109 16164 -80.3 -85.3 43 5.0 -80.3 105 23 363.5 363.5 299.4 363.5 0.00 35 105 16375 -81.3 -87.3 35 6.0 -81.3 102 23 365.5 365.5 299.8 365.5 0.00 36 100 16650 -80.1 -88.1 25 8.0 -80.1 175 8 373.0 373.0 301.1 373.0 0.00 37 82 17751 -86.1 -90.0 49 3.9 -86.1 135 5 382.5 382.5 302.6 382.5 0.00 38 78 18028 -80.9 -87.9 30 7.0 -80.9 145 5 398.8 398.8 305.0 398.8 0.00 39 70 18640 -78.1 -89.1 15 11.0 -78.1 335 7 417.3 417.3 307.4 417.3 0.00 40 69 18722 -76.9 -88.9 13 12.0 -76.9 326 7 421.6 421.6 307.9 421.6 0.00 41 62 19335 -78.1 -91.1 10 13.0 -78.1 259 10 432.0 432.0 309.0 432.0 0.00 42 55 20038 -67.3 -92.3 2 25.0 -67.5 256 8 471.9 471.9 312.8 471.9 0.00 43 50 20620 -62.1 -90.1 1 28.0 -62.6 0 0 497.1 497.1 314.8 497.2 0.00 44 47 21004 -61.1 -89.1 1 28.0 -61.6 83 1 508.4 508.4 315.5 508.4 0.00 45 38 22320 -63.3 -89.3 2 26.0 -63.8 93 4 534.7 534.7 317.2 534.7 0.00 46 30 23800 -55.9 -87.9 1 32.0 -57.3 75 16 592.2 592.2 320.3 592.3 0.01 47 26 24720 -50.7 -84.7 1 34.0 -53.4 78 18 631.8 631.8 322.0 631.8 0.01 48 20 26410 -55.3 -87.3 1 32.0 -57.5 90 31 666.9 666.9 323.3 667.0 0.01 49 19 26738 -54.7 -86.7 1 32.0 -57.1 90 31 678.6 678.6 323.7 678.7 0.01 TRP 82 17751 -86.1 -90.0 49 3.9 -86.1 135 5 382.5 382.5 302.6 382.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5823.00 m Freezing level: 535.46 mb = 5364.13 m = 17598.65 ft Wetbulb zero: 571.58 mb = 4813.00 m = 15790.48 ft Precipitable water: 2.46 inches Sfc-500 mean rel hum: 75.97 % Est. max temperature: 34.27 C = 93.69 F Sfc-Lift cond lev (LCL): 980.01 mb = 245.85 m = 806.57 ft T: 26.92 C 700-500 lapse rate: 5.06 C/km ThetaE index: 11.03 C Layer 925.0- 850.0 mb Conv cond level (CCL): 870.81 mb = 1284.02 m = 4212.60 ft Mean mixing ratio: 18.49 g/kg Conv temperature: 33.71 C = 92.68 F Cap Strength: 1.14 C Lifted Index: -2.08 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.73 C Lifted Index @700 mb: -1.18 C Showalter Index: 0.09 C Risk: Thunderstorms probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.60 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 228.80 Risk: None Energy Index: -1.96 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1468.70 J/kg Max Up Vert Vel: 54.20 m/s Conv Inhibition (B-): 32.77 J/kg Cap Strength: 1.15 C Lift Cond Lev (LCL): 923.79 mb = 768.43 m = 2521.06 ft Lev Free Conv (LFC): 818.79 mb = 1815.03 m = 5954.74 ft Equ Level (EL): 128.79 mb = 15205.15 m = 49885.05 ft B at Equ Level: 1448.21 J/kg Max Parcel Lev (MPL): 68.79 mb = 18739.81 m = 61481.58 ft Wind level data Storm motion: 157 at 5 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 1007 4 0 0 -0.0 -0.0 | 337 5 2.0 -4.7 1 1000 67 190 3 0.5 3.0 | 304 3 2.6 -1.7 2 973 305 185 16 1.4 15.9 | 197 12 3.4 11.2 3 941 610 190 4 0.7 3.9 | 286 3 2.7 -0.8 4 925 757 175 5 -0.4 5.0 | 260 2 1.6 0.3 5 908 914 165 5 -1.3 4.8 | 260 1 0.7 0.1 6 850 1494 85 7 -7.0 -0.6 | 43 7 -4.9 -5.3 7 847 1524 85 7 -7.0 -0.6 | 43 7 -4.9 -5.3 8 788 2134 105 7 -6.8 1.8 | 59 6 -4.7 -2.9 9 708 3048 80 4 -3.9 -0.7 | 19 6 -1.9 -5.4 10 700 3145 70 4 -3.8 -1.4 | 16 6 -1.7 -6.1 11 657 3658 80 5 -4.9 -0.9 | 27 6 -2.9 -5.6 12 588 4572 140 5 -3.2 3.8 | 53 1 -1.2 -0.9 13 566 4877 145 7 -4.0 5.7 | 118 2 -2.0 1.0 14 525 5486 135 12 -8.5 8.5 | 120 7 -6.4 3.8 15 500 5890 140 12 -7.7 9.2 | 128 7 -5.7 4.5 16 487 6096 140 12 -7.7 9.2 | 128 7 -5.7 4.5 17 400 7620 115 9 -8.2 3.8 | 82 6 -6.1 -0.9 18 400 7620 120 9 -7.8 4.5 | 88 6 -5.8 -0.2 19 325 9144 90 10 -10.0 0.0 | 59 9 -8.0 -4.7 20 300 9740 120 7 -6.1 3.5 | 73 4 -4.0 -1.2 21 263 10668 145 6 -3.4 4.9 | 99 1 -1.4 0.2 22 250 11010 145 8 -4.6 6.6 | 126 3 -2.5 1.9 23 209 12192 115 9 -8.2 3.8 | 82 6 -6.1 -0.9 24 200 12500 120 11 -9.5 5.5 | 96 8 -7.5 0.8 25 165 13716 120 18 -15.6 9.0 | 108 14 -13.5 4.3 26 150 14300 120 21 -18.2 10.5 | 110 17 -16.1 5.8 27 128 15240 120 23 -19.9 11.5 | 111 19 -17.9 6.8 28 103 16459 100 23 -22.7 4.0 | 88 21 -20.6 -0.7 29 100 16650 175 8 -0.7 8.0 | 202 4 1.3 3.3 30 82 17751 135 5 -3.5 3.5 | 52 2 -1.5 -1.2 31 75 18288 155 5 -2.1 4.5 | 23 0 -0.1 -0.2 32 70 18640 335 7 3.0 -6.3 | 336 12 5.0 -11.0 33 57 19812 210 12 6.0 10.4 | 235 10 8.0 5.7 34 50 20620 0 0 -0.0 -0.0 | 337 5 2.0 -4.7 35 45 21336 155 1 -0.4 0.9 | 337 4 1.6 -3.8 36 35 22860 60 5 -4.3 -2.5 | 18 8 -2.3 -7.2 37 30 23800 75 16 -15.5 -4.1 | 57 16 -13.4 -8.8 38 27 24384 80 16 -15.8 -2.8 | 61 16 -13.7 -7.5 39 22 25908 70 25 -23.5 -8.6 | 58 25 -21.5 -13.3 40 20 26410 90 31 -31.0 0.0 | 81 29 -29.0 -4.7 41 18 26822 90 30 -30.0 0.0 | 80 28 -28.0 -4.7 Wind Parameters Mean winds (0-6000m): 126.5 at 6.8 knts Storm direction: 156.5 at 5.1 knts Shear (0-3000m) pos: 0.3 neg: 0.8 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 44.5 deg Storm rel helicity (0-3000m) pos: 12.4 neg: -21.5 tot: -9.1 m^2/s^2 ave: -3.0 10^-3 m/s^2 rel: -0.25 Storm rel vorticity (0-3000m) horiz: 7.9 stream: -2.0 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 155.44 Bulk Shear: 9.45 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 ------------------------------------------------------------------------------- 500 186 10 212 6| 0.0 8.4 8.4| 6.7 -12.5 -5.8 -11.5 -0.33| 25.5 -8.4 1000 182 7 222 3| 0.0 2.7 2.7| 9.6 -12.9 -3.3 -3.3 -0.21| 17.0 -3.6 1500 166 7 189 2| 0.0 2.4 2.4| 9.6 -16.2 -6.5 -4.4 -0.24| 13.9 -3.4 2000 145 7 118 2| 0.5 1.8 2.3| 12.0 -16.2 -4.1 -2.1 -0.20| 10.9 -2.2 2500 135 7 93 3| 0.4 1.2 1.6| 12.4 -18.5 -6.0 -2.4 -0.22| 9.1 -2.0 3000 128 7 78 3| 0.3 0.8 1.2| 12.4 -21.5 -9.1 -3.0 -0.25| 7.9 -2.0 4000 117 6 60 4| 0.5 0.7 1.2| 15.8 -22.2 -6.3 -1.6 -0.20| 6.5 -1.3 5000 121 6 62 3| 1.0 0.6 1.5| 17.5 -22.2 -4.6 -0.9 -0.12| 5.8 -0.7 6000 127 7 80 4| 0.9 0.7 1.6| 19.5 -22.4 -2.9 -0.5 -0.10| 5.3 -0.5 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250506.00.gif