UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for VT453... Searching the city database file for: VT453 ... Date:0000Z 4 DEC 25 Station: VT453 WMO ident: 48453 Latitude: 13.67 Longitude: 100.61 ------------------------------------------------------------------------------- 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 1012 14 25.0 18.0 65 7.0 20.2 70 4 297.1 299.5 292.9 334.5 12.93 1 1000 118 24.6 18.6 69 6.0 20.5 60 7 297.8 300.2 293.6 337.2 13.61 2 925 800 21.4 14.4 64 7.0 16.8 45 13 301.2 303.2 292.9 334.2 11.22 3 907 971 21.4 12.4 56 9.0 15.6 43 13 302.9 304.7 292.4 332.7 10.02 4 850 1530 17.0 12.7 76 4.3 14.2 25 9 304.0 306.0 293.4 336.5 10.92 5 848 1550 17.0 12.8 76 4.2 14.3 26 9 304.2 306.2 293.6 337.0 11.02 6 834 1692 16.6 7.6 55 9.0 11.2 34 9 305.2 306.7 291.4 328.9 7.87 7 803 2014 14.2 9.7 74 4.5 11.4 53 10 306.0 307.7 292.9 334.4 9.45 8 790 2152 15.4 -1.6 31 17.0 6.6 61 10 308.7 309.5 289.4 322.1 4.30 9 763 2447 14.4 -8.6 19 23.0 3.9 72 13 310.7 311.2 288.4 319.1 2.61 10 738 2727 11.2 8.5 83 2.7 9.5 82 16 310.2 312.0 294.1 339.2 9.48 11 718 2956 10.0 9.6 97 0.4 9.7 91 18 311.3 313.3 295.2 343.6 10.52 12 700 3167 9.0 8.0 93 1.0 8.4 95 19 312.5 314.3 294.8 342.3 9.67 13 670 3529 7.4 5.6 88 1.8 6.3 106 17 314.6 316.2 294.6 341.3 8.55 14 662 3628 8.2 3.9 74 4.3 5.6 109 16 316.6 318.1 294.5 340.8 7.67 15 601 4420 3.8 -1.2 70 5.0 1.1 98 15 320.4 321.5 294.1 339.2 5.84 16 577 4750 2.6 -26.4 10 29.0 -6.3 85 13 322.7 322.9 290.4 325.4 0.77 17 561 4977 1.2 -30.8 7 32.0 -7.6 74 11 323.7 323.8 290.5 325.6 0.52 18 526 5491 -3.5 -28.5 12 25.0 -10.4 65 10 324.0 324.2 290.7 326.5 0.69 19 518 5612 -4.5 -15.5 42 11.0 -8.7 74 10 324.3 324.7 292.2 331.8 2.21 20 500 5890 -5.9 -13.9 53 8.0 -9.1 95 10 325.8 326.4 293.0 334.7 2.61 21 488 6080 -6.9 -13.9 57 7.0 -9.6 95 10 326.9 327.4 293.3 336.0 2.68 22 486 6112 -6.9 -18.9 38 12.0 -11.1 96 10 327.3 327.6 292.6 333.4 1.77 23 479 6225 -7.1 -21.1 32 14.0 -11.7 101 10 328.4 328.7 292.7 333.6 1.48 24 446 6778 -10.5 -19.5 48 9.0 -13.5 128 10 330.9 331.2 293.6 337.3 1.83 25 437 6935 -10.7 -27.7 23 17.0 -15.3 136 11 332.6 332.7 293.3 335.8 0.90 26 435 6970 -10.7 -31.7 16 21.0 -15.8 138 11 333.0 333.1 293.2 335.3 0.62 27 400 7610 -14.7 -31.7 22 17.0 -18.7 170 11 335.9 336.0 293.9 338.4 0.67 28 384 7918 -17.5 -29.5 34 12.0 -20.4 171 10 336.1 336.3 294.1 339.4 0.86 29 354 8525 -20.1 -48.1 6 28.0 -23.9 183 12 340.6 340.6 294.6 341.1 0.14 30 348 8652 -21.1 -50.1 6 29.0 -24.7 185 12 340.9 340.9 294.6 341.3 0.11 31 300 9730 -30.1 -54.1 8 24.0 -32.1 220 6 343.0 343.0 295.1 343.3 0.08 32 250 11000 -40.5 -60.5 10 20.0 -41.5 175 10 345.9 345.9 295.7 346.0 0.04 33 226 11679 -46.5 -62.5 15 16.0 -47.0 172 12 346.8 346.8 296.0 347.0 0.04 34 205 12320 -50.9 -70.9 8 20.0 -51.3 170 17 349.7 349.7 296.5 349.7 0.01 35 200 12480 -52.1 -67.1 15 15.0 -52.4 170 21 350.3 350.3 296.7 350.4 0.02 36 182 13083 -57.5 -65.5 35 8.0 -57.6 170 25 351.1 351.1 296.9 351.2 0.03 37 176 13295 -58.5 -78.5 6 20.0 -58.7 170 26 352.8 352.8 297.3 352.8 0.00 38 150 14280 -66.9 -78.9 17 12.0 -67.0 170 25 354.8 354.8 297.7 354.9 0.01 39 144 14525 -68.5 -77.5 26 9.0 -68.5 171 23 356.2 356.2 298.0 356.3 0.01 40 136 14864 -70.7 -83.7 13 13.0 -70.8 173 21 358.2 358.2 298.4 358.2 0.00 41 101 16565 -83.9 -87.2 56 3.3 -83.9 183 3 364.6 364.6 299.6 364.6 0.00 42 100 16620 -84.1 -87.6 54 3.5 -84.1 185 2 365.2 365.2 299.7 365.2 0.00 43 92 17081 -86.1 -90.4 45 4.3 -86.1 65 5 370.1 370.1 300.6 370.1 0.00 44 87 17390 -83.9 -90.9 28 7.0 -83.9 82 9 380.5 380.5 302.3 380.5 0.00 45 79 17922 -87.1 -94.1 26 7.0 -87.1 111 16 384.5 384.5 302.9 384.5 0.00 46 78 17992 -83.1 -92.1 19 9.0 -83.1 114 17 394.2 394.2 304.4 394.2 0.00 47 75 18212 -81.7 -89.7 24 8.0 -81.7 126 20 401.6 401.6 305.4 401.6 0.00 48 72 18441 -82.5 -90.5 24 8.0 -82.5 115 18 404.6 404.6 305.8 404.6 0.00 49 70 18600 -78.5 -89.5 15 11.0 -78.6 100 15 416.4 416.4 307.3 416.5 0.00 50 67 18852 -74.9 -87.9 12 13.0 -75.0 94 15 429.5 429.5 308.8 429.5 0.00 51 60 19489 -77.7 -89.7 13 12.0 -77.7 78 16 437.0 437.0 309.6 437.0 0.00 52 53 20204 -75.3 -91.3 6 16.0 -75.4 78 21 458.3 458.3 311.6 458.4 0.00 53 50 20550 -65.9 -92.9 1 27.0 -66.2 85 25 488.2 488.2 314.1 488.2 0.00 54 48 20800 -62.3 -92.3 1 30.0 -62.7 87 23 502.5 502.5 315.1 502.5 0.00 55 46 21063 -61.5 -89.5 1 28.0 -62.0 90 21 510.6 510.6 315.7 510.6 0.00 56 42 21627 -61.7 -89.7 1 28.0 -62.3 94 16 523.6 523.6 316.5 523.6 0.00 TRP 92 17081 -86.1 -90.4 45 4.3 -86.1 65 5 370.1 370.1 300.6 370.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5772.00 m Freezing level: 552.06 mb = 5108.18 m = 16758.93 ft Wetbulb zero: 597.35 mb = 4469.02 m = 14661.96 ft Precipitable water: 1.63 inches Sfc-500 mean rel hum: 56.84 % Est. max temperature: 31.62 C = 88.91 F Sfc-Lift cond lev (LCL): 913.56 mb = 908.04 m = 2979.10 ft T: 21.40 C 700-500 lapse rate: 5.47 C/km ThetaE index: 18.14 C Layer 700.0- 561.0 mb Conv cond level (CCL): 748.25 mb = 2610.69 m = 8565.14 ft Mean mixing ratio: 12.29 g/kg Conv temperature: 38.29 C = 100.93 F Cap Strength: 4.71 C Lifted Index: 2.81 C Risk: None Lifted Index @300 mb: 6.74 C Lifted Index @700 mb: 2.77 C Showalter Index: 2.37 C Risk: Showers probable Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 18.60 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 180.40 Risk: None Energy Index: -0.31 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.55 J/kg Max Up Vert Vel: 4.37 m/s Conv Inhibition (B-): 15198.60 J/kg Cap Strength: 4.63 C Lift Cond Lev (LCL): 872.09 mb = 1308.92 m = 4294.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 108 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 1012 14 70 4 -3.8 -1.4 | 309 7 5.4 -4.3 1 1000 118 60 7 -6.1 -3.5 | 334 7 3.1 -6.5 2 979 305 55 13 -10.6 -7.5 | 8 11 -1.5 -10.4 3 945 610 50 14 -10.7 -9.0 | 7 12 -1.5 -12.0 4 925 800 45 13 -9.2 -9.2 | 0 12 -0.0 -12.1 5 913 914 45 13 -9.2 -9.2 | 0 12 -0.0 -12.1 6 851 1524 25 9 -3.8 -8.2 | 334 12 5.4 -11.1 7 850 1530 25 9 -3.8 -8.2 | 334 12 5.4 -11.1 8 791 2134 60 10 -8.7 -5.0 | 356 8 0.5 -8.0 9 710 3048 95 19 -18.9 1.7 | 82 10 -9.7 -1.3 10 700 3167 95 19 -18.9 1.7 | 82 10 -9.7 -1.3 11 659 3658 110 16 -15.0 5.5 | 113 6 -5.9 2.5 12 588 4572 95 15 -14.9 1.3 | 74 6 -5.8 -1.6 13 567 4877 75 11 -10.6 -2.8 | 14 6 -1.4 -5.8 14 526 5486 65 10 -9.1 -4.2 | 359 7 0.1 -7.2 15 500 5890 95 10 -10.0 0.9 | 21 2 -0.8 -2.1 16 487 6096 95 10 -10.0 0.9 | 21 2 -0.8 -2.1 17 400 7610 170 11 -1.9 10.8 | 223 11 7.3 7.9 18 399 7620 165 9 -2.3 8.7 | 230 9 6.8 5.7 19 325 9144 195 14 3.6 13.5 | 230 17 12.8 10.6 20 300 9730 220 6 3.9 4.6 | 263 13 13.0 1.6 21 262 10668 180 5 0.0 5.0 | 257 9 9.2 2.0 22 250 11000 175 10 -0.9 10.0 | 230 11 8.3 7.0 23 209 12192 170 14 -2.4 13.8 | 212 13 6.7 10.8 24 200 12480 170 21 -3.6 20.7 | 197 19 5.5 17.7 25 164 13716 170 29 -5.0 28.6 | 189 26 4.1 25.6 26 150 14280 170 25 -4.3 24.6 | 193 22 4.8 21.7 27 127 15240 175 18 -1.6 17.9 | 207 17 7.6 15.0 28 103 16459 180 4 0.0 4.0 | 264 9 9.2 1.0 29 100 16620 185 2 0.2 2.0 | 276 9 9.4 -1.0 30 92 17081 65 5 -4.5 -2.1 | 317 7 4.6 -5.1 31 74 18288 130 21 -16.1 13.5 | 147 13 -6.9 10.5 32 70 18600 100 15 -14.8 2.6 | 86 6 -5.6 -0.4 33 57 19812 70 16 -15.0 -5.5 | 35 10 -5.9 -8.4 34 50 20550 85 25 -24.9 -2.2 | 72 17 -15.7 -5.1 35 42 21336 95 16 -15.9 1.4 | 77 7 -6.8 -1.6 36 37 21946 80 19 -18.7 -3.3 | 57 11 -9.5 -6.3 Wind Parameters Mean winds (0-6000m): 77.8 at 12.9 knts Storm direction: 107.8 at 9.6 knts Shear (0-3000m) pos: 3.0 neg: 1.2 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 130.9 deg Storm rel helicity (0-3000m) pos: 52.6 neg: -23.1 tot: 29.6 m^2/s^2 ave: 9.9 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.81 Bulk Shear: 3.40 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 56 10 356 9| 0.0 10.3 10.3| 16.6 -0.2 16.3 32.7 0.78| 10.6 8.3 1000 51 12 0 10| 0.0 4.6 4.6| 16.6 -8.5 8.1 8.1 0.41| 6.8 2.8 1500 46 11 355 11| 0.0 2.3 2.3| 16.6 -23.1 -6.5 -4.3 0.06| 6.1 0.3 2000 45 11 352 11| 1.2 1.8 2.9| 25.4 -23.1 2.3 1.2 0.18| 5.8 1.1 2500 49 11 355 10| 2.1 1.4 3.5| 36.9 -23.1 13.8 5.5 0.34| 5.8 2.0 3000 58 12 6 9| 3.0 1.2 4.2| 52.6 -23.1 29.6 9.9 0.47| 6.1 2.9 4000 73 13 27 8| 2.3 1.0 3.3| 62.4 -25.3 37.1 9.3 0.46| 5.5 2.5 5000 78 13 35 7| 1.8 1.6 3.4| 62.4 -38.8 23.6 4.7 0.21| 5.4 1.1 6000 78 13 31 7| 1.9 1.4 3.3| 64.3 -40.9 23.4 3.9 0.19| 5.0 1.0 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20251204.00.gif