UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for VT453... Searching the city database file for: VT453 ... Date:0000Z 12 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 1011 13 23.6 18.9 75 4.7 20.4 10 6 295.8 298.3 293.1 335.3 13.72 1 1000 108 22.6 20.1 86 2.5 20.9 20 7 295.8 298.4 294.0 338.8 14.97 2 964 427 20.4 18.8 91 1.6 19.3 34 11 296.6 299.2 293.8 337.9 14.31 3 940 646 22.4 18.0 76 4.4 19.4 42 12 300.8 303.4 294.7 341.8 13.95 4 925 786 21.2 17.7 80 3.5 18.8 50 11 301.0 303.5 294.8 341.8 13.91 5 850 1516 17.6 15.4 87 2.2 16.1 120 15 304.6 307.0 295.1 343.5 13.06 6 787 2170 12.6 12.4 99 0.2 12.5 136 18 306.0 308.2 294.5 340.8 11.58 7 786 2181 12.6 12.3 98 0.3 12.4 136 18 306.1 308.3 294.5 340.7 11.52 8 700 3150 8.6 6.4 86 2.2 7.3 155 15 312.0 313.7 294.0 338.7 8.65 9 664 3587 6.6 4.6 87 2.0 5.4 134 8 314.5 316.0 294.2 339.6 8.04 10 619 4161 3.2 3.2 100 0.0 3.2 111 9 317.0 318.5 294.7 341.7 7.81 11 576 4744 0.4 -1.0 90 1.4 -0.3 108 9 320.3 321.5 294.4 340.2 6.19 12 565 4899 0.6 -4.4 69 5.0 -1.9 120 9 322.3 323.3 293.9 338.3 4.89 13 500 5870 -7.1 -8.1 93 1.0 -7.5 165 15 324.4 325.2 293.9 338.2 4.16 14 498 5901 -7.5 -8.5 93 1.0 -7.9 166 15 324.3 325.1 293.7 337.7 4.05 15 480 6186 -7.9 -17.9 44 10.0 -11.4 174 14 327.2 327.6 292.8 333.9 1.95 16 477 6234 -7.5 -19.5 38 12.0 -11.6 176 13 328.3 328.6 292.9 334.3 1.71 17 462 6481 -8.3 -25.3 24 17.0 -13.3 188 12 330.3 330.5 292.8 334.1 1.06 18 400 7580 -14.7 -34.7 16 20.0 -19.0 240 6 335.9 336.0 293.8 337.8 0.50 19 387 7830 -16.1 -36.1 16 20.0 -20.1 246 6 337.2 337.3 294.1 339.0 0.45 20 355 8476 -20.7 -42.7 12 22.0 -24.1 251 6 339.5 339.5 294.4 340.5 0.25 21 300 9700 -30.3 -45.3 22 15.0 -32.0 215 12 342.7 342.7 295.2 343.6 0.22 22 252 10916 -38.9 -54.9 17 16.0 -39.9 233 28 347.4 347.5 296.1 347.8 0.09 23 250 10970 -39.5 -54.5 19 15.0 -40.4 235 29 347.3 347.4 296.1 347.7 0.09 24 200 12450 -52.7 -63.7 25 11.0 -52.9 215 31 349.3 349.3 296.5 349.5 0.04 25 194 12646 -54.5 -62.5 37 8.0 -54.7 215 32 349.5 349.5 296.5 349.7 0.04 26 184 12983 -57.5 -70.5 18 13.0 -57.7 215 33 350.0 350.0 296.6 350.0 0.02 27 162 13774 -65.1 -70.1 50 5.0 -65.1 213 35 350.1 350.1 296.7 350.2 0.02 28 151 14200 -67.5 -80.5 14 13.0 -67.6 197 26 353.1 353.1 297.3 353.2 0.00 29 150 14240 -67.3 -80.3 14 13.0 -67.4 195 25 354.2 354.2 297.5 354.2 0.00 30 113 15900 -76.3 -90.3 9 14.0 -76.3 134 22 367.2 367.2 300.1 367.2 0.00 31 100 16590 -82.7 -91.7 20 9.0 -82.7 90 11 367.9 367.9 300.2 367.9 0.00 32 92 17050 -86.3 -93.3 27 7.0 -86.3 70 12 369.7 369.7 300.5 369.7 0.00 33 88 17295 -83.5 -92.5 19 9.0 -83.5 75 13 380.0 380.0 302.2 380.0 0.00 34 78 17964 -84.1 -93.1 19 9.0 -84.1 89 16 392.1 392.1 304.1 392.1 0.00 35 74 18258 -80.9 -90.9 17 10.0 -80.9 94 18 404.8 404.8 305.9 404.8 0.00 36 71 18490 -81.7 -91.7 17 10.0 -81.7 102 15 407.9 407.9 306.2 407.9 0.00 37 70 18570 -80.1 -90.1 17 10.0 -80.1 105 14 413.0 413.0 306.9 413.0 0.00 38 64 19086 -74.1 -89.1 8 15.0 -74.2 141 9 436.9 436.9 309.6 436.9 0.00 39 51 20431 -68.3 -90.3 3 22.0 -68.5 337 3 479.8 479.8 313.4 479.8 0.00 40 50 20550 -68.7 -90.7 3 22.0 -68.9 5 3 481.6 481.6 313.6 481.6 0.00 41 30 23650 -63.5 -91.5 1 28.0 -64.1 105 37 571.5 571.5 319.2 571.5 0.00 42 28 24078 -59.1 -90.1 1 31.0 -60.2 107 36 595.2 595.2 320.4 595.2 0.00 43 24 25050 -56.5 -87.5 1 31.0 -58.2 107 33 629.5 629.5 321.9 629.6 0.01 44 23 25320 -56.9 -86.9 1 30.0 -58.5 104 31 636.1 636.1 322.2 636.1 0.01 TRP 92 17050 -86.3 -93.3 27 7.0 -86.3 70 12 369.7 369.7 300.5 369.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 559.94 mb = 4974.98 m = 16321.93 ft Wetbulb zero: 580.06 mb = 4687.21 m = 15377.81 ft Precipitable water: 2.13 inches Sfc-500 mean rel hum: 87.90 % Est. max temperature: 31.84 C = 89.31 F Sfc-Lift cond lev (LCL): 943.85 mb = 610.47 m = 2002.84 ft T: 22.08 C 700-500 lapse rate: 5.77 C/km ThetaE index: 4.79 C Layer 787.0- 664.0 mb Conv cond level (CCL): 835.60 mb = 1661.17 m = 5449.95 ft Mean mixing ratio: 14.26 g/kg Conv temperature: 32.72 C = 90.89 F Cap Strength: 2.92 C Lifted Index: -0.21 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.96 C Lifted Index @700 mb: 1.02 C Showalter Index: -1.73 C Risk: Thunderstorms probable Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 22.50 C K Index: 37.90 Risk: > 80 % chance of thunderstorms Sweat Index: 229.80 Risk: None Energy Index: -1.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.68 J/kg Max Up Vert Vel: 7.70 m/s Conv Inhibition (B-): 228.64 J/kg Cap Strength: 2.92 C Lift Cond Lev (LCL): 919.64 mb = 836.15 m = 2743.25 ft Lev Free Conv (LFC): 504.64 mb = 5796.61 m = 19017.51 ft Equ Level (EL): 484.64 mb = 6111.27 m = 20049.84 ft B at Equ Level: 26.03 J/kg Max Parcel Lev (MPL): 454.64 mb = 6603.52 m = 21664.84 ft Wind level data Storm motion: 153 at 9 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 1011 13 10 6 -1.0 -5.9 | 348 15 3.1 -14.2 1 1000 108 20 7 -2.4 -6.6 | 353 15 1.8 -14.8 2 978 305 30 11 -5.5 -9.5 | 4 18 -1.3 -17.8 3 944 610 40 12 -7.7 -9.2 | 11 18 -3.5 -17.5 4 925 786 50 11 -8.4 -7.1 | 15 16 -4.2 -15.3 5 911 914 60 12 -10.4 -6.0 | 24 16 -6.2 -14.3 6 850 1516 120 15 -13.0 7.5 | 85 9 -8.8 -0.8 7 849 1524 120 15 -13.0 7.5 | 85 9 -8.8 -0.8 8 790 2134 135 18 -12.7 12.7 | 118 10 -8.5 4.5 9 709 3048 150 14 -7.0 12.1 | 144 5 -2.8 3.9 10 700 3150 155 15 -6.3 13.6 | 158 6 -2.2 5.3 11 657 3658 130 7 -5.4 4.5 | 17 4 -1.2 -3.8 12 587 4572 95 10 -10.0 0.9 | 38 9 -5.8 -7.4 13 565 4877 120 9 -7.8 4.5 | 44 5 -3.6 -3.8 14 524 5486 150 13 -6.5 11.3 | 142 4 -2.3 3.0 15 500 5870 165 15 -3.9 14.5 | 183 6 0.3 6.2 16 485 6096 170 14 -2.4 13.8 | 198 6 1.8 5.5 17 400 7580 240 6 5.2 3.0 | 299 11 9.4 -5.3 18 398 7620 245 6 5.4 2.5 | 301 11 9.6 -5.7 19 324 9144 255 6 5.8 1.6 | 304 12 10.0 -6.7 20 300 9700 215 12 6.9 9.8 | 262 11 11.1 1.6 21 261 10668 225 22 15.6 15.6 | 250 21 19.7 7.3 22 250 10970 235 29 23.8 16.6 | 253 29 27.9 8.4 23 208 12192 225 30 21.2 21.2 | 243 29 25.4 13.0 24 200 12450 215 31 17.8 25.4 | 232 28 22.0 17.1 25 163 13716 215 36 20.6 29.5 | 229 33 24.8 21.2 26 150 14240 195 25 6.5 24.1 | 214 19 10.7 15.9 27 126 15240 155 36 -15.2 32.6 | 156 27 -11.0 24.4 28 102 16459 115 10 -9.1 4.2 | 50 6 -4.9 -4.0 29 100 16590 90 11 -11.0 0.0 | 40 11 -6.8 -8.3 30 92 17050 70 12 -11.3 -4.1 | 30 14 -7.1 -12.4 31 74 18288 95 18 -17.9 1.6 | 64 15 -13.7 -6.7 32 70 18570 105 14 -13.5 3.6 | 64 10 -9.3 -4.6 33 57 19812 190 2 0.3 2.0 | 324 8 4.5 -6.3 34 50 20550 5 3 -0.3 -3.0 | 341 12 3.9 -11.3 35 44 21336 60 7 -6.1 -3.5 | 9 12 -1.9 -11.8 36 34 22860 80 31 -30.5 -5.4 | 63 30 -26.3 -13.6 37 30 23650 105 37 -35.7 9.6 | 92 32 -31.6 1.3 38 25 24384 110 34 -31.9 11.6 | 97 28 -27.8 3.4 39 19 25603 90 24 -24.0 0.0 | 67 21 -19.8 -8.3 Wind Parameters Mean winds (0-6000m): 123.2 at 12.3 knts Storm direction: 153.2 at 9.3 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 154.9 deg Storm rel helicity (0-3000m) pos: 104.1 neg: 0.0 tot: 104.1 m^2/s^2 ave: 34.7 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 5.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.86 Bulk Shear: 34.67 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 28 9 1 17| 7.1 0.0 7.1| 26.6 0.0 26.6 53.1 0.84| 7.5 6.3 1000 40 11 9 17| 5.6 0.0 5.6| 52.4 0.0 52.4 52.4 0.84| 7.5 6.3 1500 61 12 24 15| 6.1 0.0 6.1| 85.6 0.0 85.6 57.1 0.86| 9.2 7.9 2000 84 13 42 13| 5.5 0.0 5.5| 95.6 0.0 95.6 47.8 0.88| 8.0 7.0 2500 100 14 58 11| 4.3 0.0 4.3|101.3 0.0 101.3 40.5 0.86| 7.1 6.1 3000 110 14 69 10| 3.3 0.0 3.3|104.1 0.0 104.1 34.7 0.83| 6.4 5.4 4000 118 13 73 8| 2.5 1.1 3.6|106.7 -5.7 101.0 25.3 0.53| 6.4 3.4 5000 116 12 67 7| 2.4 1.2 3.5|110.7 -5.8 104.9 21.0 0.49| 6.0 2.9 6000 123 12 76 6| 2.7 1.0 3.6|121.6 -5.8 115.8 19.3 0.56| 5.9 3.3 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20251212.00.gif