UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:0000Z 18 DEC 25 Station: VTSH WMO ident: 48568 Latitude: 7.20 Longitude: 100.60 Elevation: 5.00 ------------------------------------------------------------------------------- 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 1012 5 24.6 23.6 94 1.0 23.9 30 1 296.7 300.1 296.6 350.0 18.42 1 1008 43 26.0 20.0 70 6.0 21.8 37 9 298.5 301.2 294.7 341.4 14.76 2 1000 120 25.2 20.2 74 5.0 21.7 50 25 298.4 301.1 294.8 342.1 15.07 3 942 643 20.8 16.5 76 4.3 17.9 90 16 299.0 301.3 293.3 335.8 12.63 4 931 745 21.4 15.4 69 6.0 17.4 90 17 300.6 302.8 293.2 335.6 11.90 5 925 801 21.0 15.0 69 6.0 17.0 90 18 300.8 302.9 293.1 335.1 11.67 6 850 1527 16.2 12.1 77 4.1 13.6 85 20 303.1 305.1 292.9 334.3 10.49 7 826 1770 14.8 10.8 77 4.0 12.3 79 18 304.1 306.0 292.7 333.7 9.90 8 807 1967 14.2 10.2 77 4.0 11.7 74 16 305.5 307.3 293.0 334.8 9.73 9 700 3161 9.8 2.8 62 7.0 5.8 90 12 313.3 314.6 292.9 334.3 6.70 10 691 3269 10.0 0.0 50 10.0 4.6 92 13 314.7 315.8 292.3 332.2 5.54 11 611 4280 2.6 -1.6 74 4.2 0.4 97 12 317.5 318.6 293.2 335.3 5.58 12 592 4536 1.6 -1.6 79 3.2 -0.1 95 10 319.2 320.3 293.7 337.7 5.76 13 524 5511 -3.9 -8.3 71 4.4 -5.9 90 10 323.9 324.7 293.5 336.9 3.90 14 520 5572 -6.3 -12.3 62 6.0 -8.7 92 9 321.7 322.3 292.0 331.3 2.86 15 504 5817 -5.1 -13.1 53 8.0 -8.4 98 7 326.1 326.6 293.2 335.5 2.77 16 500 5880 -5.7 -15.7 45 10.0 -9.5 100 7 326.1 326.5 292.7 333.8 2.25 17 494 5974 -6.1 -17.1 41 11.0 -10.1 98 6 326.7 327.1 292.7 333.7 2.03 18 455 6616 -6.9 -13.9 57 7.0 -9.8 109 5 333.5 334.1 295.1 343.5 2.87 19 444 6806 -10.9 -15.9 67 5.0 -12.8 114 5 330.8 331.3 294.2 339.4 2.49 20 412 7376 -14.1 -18.2 71 4.1 -15.5 129 5 333.8 334.3 294.7 341.6 2.21 21 400 7600 -14.9 -19.9 66 5.0 -16.6 135 5 335.6 336.0 295.0 342.6 1.97 22 379 8005 -16.9 -27.9 38 11.0 -19.7 119 5 338.2 338.4 294.8 342.0 1.02 23 372 8144 -17.7 -27.7 41 10.0 -20.3 108 5 338.9 339.2 295.0 342.9 1.06 24 300 9710 -30.3 -36.3 56 6.0 -31.2 310 1 342.7 342.8 295.5 344.9 0.57 25 250 10980 -41.5 -50.5 37 9.0 -42.1 130 9 344.4 344.4 295.5 345.0 0.15 26 200 12440 -55.7 -60.7 54 5.0 -55.8 145 15 344.6 344.6 295.4 344.8 0.05 27 196 12568 -56.7 -61.6 54 4.9 -56.8 147 16 345.0 345.0 295.6 345.2 0.05 28 195 12601 -57.3 -62.3 53 5.0 -57.4 148 16 344.5 344.5 295.4 344.7 0.04 29 180 13108 -56.5 -69.5 18 13.0 -56.7 158 20 353.8 353.8 297.5 353.9 0.02 30 179 13143 -56.7 -69.7 18 13.0 -56.9 159 20 354.0 354.0 297.5 354.1 0.02 31 150 14240 -65.7 -75.7 24 10.0 -65.8 225 26 356.9 356.9 298.1 356.9 0.01 32 133 14959 -72.1 -79.1 34 7.0 -72.1 228 20 358.0 358.0 298.3 358.0 0.01 33 111 15998 -81.3 -83.6 68 2.3 -81.3 221 8 359.7 359.7 298.7 359.8 0.00 34 107 16203 -83.3 -86.2 60 2.9 -83.3 218 5 359.8 359.8 298.7 359.8 0.00 35 103 16415 -82.3 -86.0 53 3.7 -82.3 216 3 365.6 365.6 299.8 365.6 0.00 36 100 16580 -83.5 -88.3 43 4.8 -83.5 215 14 366.4 366.4 299.9 366.4 0.00 37 98 16693 -83.9 -89.9 34 6.0 -83.9 221 14 367.7 367.7 300.2 367.7 0.00 38 81 17741 -87.9 -90.1 67 2.2 -87.9 274 15 380.1 380.1 302.3 380.1 0.00 39 78 17946 -88.9 -91.8 58 2.9 -88.9 285 15 382.2 382.2 302.6 382.2 0.00 40 75 18158 -88.9 -91.9 57 3.0 -88.9 298 12 386.5 386.5 303.3 386.5 0.00 41 70 18540 -80.5 -86.5 36 6.0 -80.5 295 4 412.2 412.2 306.8 412.2 0.00 42 63 19151 -71.7 -80.7 25 9.0 -71.8 0 14 444.2 444.2 310.3 444.2 0.01 43 53 20166 -74.9 -82.9 28 8.0 -75.0 83 28 459.3 459.3 311.7 459.3 0.01 44 50 20510 -69.3 -80.3 19 11.0 -69.4 95 30 480.2 480.2 313.5 480.3 0.01 45 46 21012 -65.7 -78.7 15 13.0 -66.0 500.5 500.5 315.0 500.6 0.02 TRP 78 17946 -88.9 -91.8 58 2.9 -88.9 285 15 382.2 382.2 302.6 382.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5760.00 m Freezing level: 572.22 mb = 4819.49 m = 15811.78 ft Wetbulb zero: 595.95 mb = 4481.88 m = 14704.14 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 69.93 % Est. max temperature: 30.62 C = 87.11 F Sfc-Lift cond lev (LCL): 997.81 mb = 139.22 m = 456.76 ft T: 25.04 C 700-500 lapse rate: 5.70 C/km ThetaE index: 8.62 C Layer 1008.0-1000.0 mb Conv cond level (CCL): 840.62 mb = 1621.25 m = 5318.99 ft Mean mixing ratio: 13.42 g/kg Conv temperature: 31.39 C = 88.51 F Cap Strength: 3.36 C Lifted Index: 1.78 C Risk: Showers probable Lifted Index @300 mb: 4.78 C Lifted Index @700 mb: 2.63 C Showalter Index: 3.54 C Risk: None Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 17.80 C K Index: 27.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 192.20 Risk: None Energy Index: -0.04 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.67 J/kg Max Up Vert Vel: 5.03 m/s Conv Inhibition (B-): 8874.91 J/kg Cap Strength: 3.21 C Lift Cond Lev (LCL): 894.55 mb = 1088.38 m = 3570.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 114 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 5 30 1 -0.5 -0.9 | 299 10 8.9 -5.0 1 1000 120 50 25 -19.2 -16.1 | 26 22 -9.8 -20.2 2 979 305 10 14 -2.4 -13.8 | 339 19 6.9 -17.9 3 945 610 90 15 -15.0 0.0 | 54 7 -5.6 -4.1 4 925 801 90 18 -18.0 0.0 | 65 10 -8.6 -4.1 5 913 914 85 20 -19.9 -1.7 | 61 12 -10.5 -5.8 6 850 1524 85 20 -19.9 -1.7 | 61 12 -10.5 -5.8 7 850 1527 85 20 -19.9 -1.7 | 61 12 -10.5 -5.8 8 791 2134 70 15 -14.1 -5.1 | 27 10 -4.7 -9.2 9 709 3048 80 11 -10.8 -1.9 | 14 6 -1.5 -6.0 10 700 3161 90 12 -12.0 0.0 | 33 5 -2.6 -4.1 11 658 3658 100 15 -14.8 2.6 | 75 6 -5.4 -1.5 12 588 4572 95 10 -10.0 0.9 | 10 3 -0.6 -3.2 13 566 4877 95 10 -10.0 0.9 | 10 3 -0.6 -3.2 14 525 5486 90 10 -10.0 0.0 | 9 4 -0.6 -4.1 15 500 5880 100 7 -6.9 1.2 | 319 4 2.5 -2.9 16 486 6096 95 5 -5.0 0.4 | 310 6 4.4 -3.7 17 400 7600 135 5 -3.5 3.5 | 275 6 5.8 -0.6 18 399 7620 150 4 -2.0 3.5 | 275 7 7.4 -0.6 19 324 9144 25 8 -3.4 -7.3 | 332 13 6.0 -11.3 20 300 9710 310 1 0.8 -0.6 | 295 11 10.1 -4.7 21 261 10668 125 6 -4.9 3.4 | 278 5 4.5 -0.6 22 250 10980 130 9 -6.9 5.8 | 236 3 2.5 1.7 23 208 12192 140 11 -7.1 8.4 | 208 5 2.3 4.3 24 200 12440 145 15 -8.6 12.3 | 185 8 0.8 8.2 25 163 13716 170 25 -4.3 24.6 | 194 21 5.0 20.5 26 150 14240 225 26 18.4 18.4 | 243 31 27.8 14.3 27 126 15240 230 17 13.0 10.9 | 253 23 22.4 6.8 28 102 16459 215 2 1.1 1.6 | 283 11 10.5 -2.4 29 100 16580 215 14 8.0 11.5 | 247 19 17.4 7.4 30 78 17946 285 15 14.5 -3.9 | 288 25 23.9 -8.0 31 73 18288 305 11 9.0 -6.3 | 299 21 18.4 -10.4 32 70 18540 295 4 3.6 -1.7 | 294 14 13.0 -5.8 33 56 19812 70 25 -23.5 -8.6 | 48 19 -14.1 -12.6 34 50 20510 95 30 -29.9 2.6 | 86 21 -20.5 -1.5 Wind Parameters Mean winds (0-6000m): 83.6 at 13.6 knts Storm direction: 113.6 at 10.2 knts Shear (0-3000m) pos: 2.6 neg: 0.9 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 75.7 deg Storm rel helicity (0-3000m) pos: 110.9 neg: -100.3 tot: 10.6 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.72 Bulk Shear: 17.55 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 39 16 2 17| 14.2 0.0 14.2| 95.2 -75.8 19.4 38.8 0.34| 52.8 17.8 1000 65 17 27 13| 10.0 0.0 10.0|110.9 -77.7 33.2 33.2 0.37| 32.8 12.3 1500 73 18 40 12| 6.7 0.0 6.7|110.9 -77.7 33.2 22.1 0.37| 21.9 8.2 2000 75 18 42 12| 5.0 1.4 6.4|110.9 -93.2 17.7 8.8 0.27| 17.8 4.8 2500 75 17 40 11| 3.5 1.1 4.6|110.9 -98.1 12.8 5.1 0.23| 14.9 3.5 3000 75 16 38 11| 2.6 0.9 3.5|110.9-100.3 10.6 3.5 0.21| 12.8 2.7 4000 79 16 41 9| 2.3 0.7 3.0|118.1-101.9 16.2 4.1 0.24| 10.6 2.5 5000 82 15 40 8| 1.8 0.9 2.7|118.1-104.6 13.5 2.7 0.20| 8.8 1.7 6000 84 14 37 7| 1.2 0.8 2.0|118.1-108.3 9.8 1.6 0.14| 7.8 1.1 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20251218.00.gif