UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:0000Z 27 APR 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 1011 5 25.4 24.0 92 1.4 24.4 210 2 297.6 301.0 297.2 352.5 18.90 1 1000 105 25.8 19.8 70 6.0 21.6 40 3 299.0 301.6 294.7 341.7 14.69 2 990 194 26.6 17.6 58 9.0 20.4 31 3 300.6 303.0 293.9 338.4 12.89 3 925 792 23.0 16.0 65 7.0 18.2 95 2 302.8 305.1 294.3 339.7 12.46 4 850 1524 19.4 12.4 64 7.0 14.8 75 8 306.5 308.5 294.0 338.7 10.70 5 700 3171 10.6 1.6 54 9.0 5.6 110 3 314.2 315.4 292.7 333.6 6.15 6 550 5136 -2.1 -8.1 63 6.0 -4.8 70 5 321.6 322.3 292.8 334.0 3.78 7 500 5890 -5.3 -20.3 30 15.0 -10.4 70 4 326.6 326.9 292.2 331.9 1.52 8 439 6901 -11.1 -33.1 14 22.0 -16.2 83 6 331.6 331.7 292.7 333.6 0.54 9 434 6989 -11.9 -18.9 56 7.0 -14.3 85 6 331.7 332.1 294.0 338.6 1.98 10 419 7258 -13.1 -35.1 14 22.0 -17.8 89 6 333.5 333.6 293.1 335.3 0.46 11 400 7610 -15.9 -30.9 26 15.0 -19.4 95 6 334.3 334.5 293.6 337.0 0.73 12 395 7704 -16.7 -26.7 42 10.0 -19.3 90 6 334.5 334.7 293.9 338.5 1.09 13 351 8579 -21.7 -39.7 18 18.0 -24.6 93 7 339.2 339.3 294.4 340.6 0.35 14 300 9710 -30.5 -44.5 24 14.0 -32.1 105 12 342.4 342.4 295.1 343.4 0.24 15 282 10147 -33.9 -48.9 21 15.0 -35.3 101 12 343.6 343.7 295.3 344.3 0.16 16 276 10297 -35.3 -42.3 49 7.0 -36.1 99 11 343.7 343.8 295.5 345.1 0.33 17 269 10476 -36.1 -56.1 11 20.0 -37.4 97 11 345.1 345.1 295.6 345.4 0.07 18 250 10980 -40.9 -55.9 18 15.0 -41.7 85 14 345.3 345.3 295.7 345.6 0.08 19 200 12460 -52.5 -66.5 17 14.0 -52.8 100 19 349.6 349.6 296.5 349.7 0.02 20 168 13565 -62.1 -73.1 22 11.0 -62.2 91 23 351.5 351.5 297.0 351.6 0.01 21 150 14260 -66.1 -74.1 32 8.0 -66.2 85 24 356.2 356.2 298.0 356.3 0.01 22 103 16463 -79.9 -84.1 50 4.2 -79.9 350 11 370.2 370.2 300.6 370.2 0.00 23 100 16630 -79.5 -83.7 50 4.2 -79.5 10 7 374.1 374.1 301.3 374.1 0.00 24 85 17542 -84.3 -87.7 55 3.4 -84.3 155 10 382.2 382.2 302.6 382.2 0.00 25 82 17741 -83.5 -86.4 60 2.9 -83.5 169 9 387.8 387.8 303.5 387.8 0.00 26 79 17948 -84.1 -88.6 45 4.5 -84.1 183 7 390.7 390.7 303.9 390.7 0.00 27 70 18640 -72.1 -81.1 25 9.0 -72.2 295 14 430.1 430.1 308.9 430.2 0.01 28 68 18810 -71.1 -81.1 21 10.0 -71.2 294 13 435.9 435.9 309.4 435.9 0.01 29 68 18810 -70.5 -79.5 25 9.0 -70.6 294 13 437.2 437.2 309.6 437.2 0.01 30 50 20650 -65.7 -78.7 15 13.0 -66.0 270 14 488.7 488.7 314.1 488.8 0.02 31 38 22357 -55.9 -73.9 9 18.0 -57.0 237 11 553.5 553.5 318.3 553.8 0.05 32 30 23856 -57.5 -75.5 8 18.0 -58.6 587.9 587.9 320.0 588.2 0.05 TRP 85 17542 -84.3 -87.7 55 3.4 -84.3 155 10 382.2 382.2 302.6 382.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 574.80 mb = 4811.04 m = 15784.07 ft Wetbulb zero: 619.66 mb = 4164.31 m = 13662.26 ft Precipitable water: 1.71 inches Sfc-500 mean rel hum: 58.36 % Est. max temperature: 33.72 C = 92.70 F Sfc-Lift cond lev (LCL): 991.06 mb = 184.45 m = 605.14 ft T: 26.51 C 700-500 lapse rate: 5.85 C/km ThetaE index: 14.04 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 746.58 mb = 2624.49 m = 8610.42 ft Mean mixing ratio: 13.16 g/kg Conv temperature: 39.49 C = 103.08 F Cap Strength: 4.25 C Lifted Index: 1.42 C Risk: Showers probable Lifted Index @300 mb: 3.49 C Lifted Index @700 mb: 2.90 C Showalter Index: 2.00 C Risk: Showers probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 17.70 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 168.80 Risk: None Energy Index: -1.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.84 J/kg Max Up Vert Vel: 5.45 m/s Conv Inhibition (B-): 20116.77 J/kg Cap Strength: 4.25 C Lift Cond Lev (LCL): 862.93 mb = 1393.34 m = 4571.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 116 at 4 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 5 210 2 1.0 1.7 | 270 5 4.6 0.0 1 1000 105 40 3 -1.9 -2.3 | 338 4 1.7 -4.0 2 978 305 20 2 -0.7 -1.9 | 321 5 2.9 -3.6 3 944 610 75 5 -4.8 -1.3 | 22 3 -1.2 -3.0 4 925 792 95 2 -2.0 0.2 | 314 2 1.6 -1.6 5 912 914 130 2 -1.5 1.3 | 282 2 2.1 -0.4 6 880 1219 65 4 -3.6 -1.7 | 1 3 -0.0 -3.4 7 850 1524 75 8 -7.7 -2.1 | 47 6 -4.1 -3.8 8 820 1829 90 7 -7.0 0.0 | 63 4 -3.4 -1.7 9 791 2134 100 6 -5.9 1.0 | 74 2 -2.3 -0.7 10 763 2438 130 7 -5.4 4.5 | 147 3 -1.8 2.8 11 736 2743 105 6 -5.8 1.6 | 86 2 -2.2 -0.2 12 700 3171 110 3 -2.8 1.0 | 312 1 0.8 -0.7 13 659 3658 85 6 -6.0 -0.5 | 47 3 -2.4 -2.2 14 611 4267 85 9 -9.0 -0.8 | 65 6 -5.4 -2.5 15 567 4877 70 5 -4.7 -1.7 | 18 4 -1.1 -3.4 16 500 5890 70 4 -3.8 -1.4 | 3 3 -0.2 -3.1 17 487 6096 70 6 -5.6 -2.1 | 28 4 -2.1 -3.8 18 400 7610 95 6 -6.0 0.5 | 63 3 -2.4 -1.2 19 399 7620 90 6 -6.0 0.0 | 54 3 -2.4 -1.7 20 324 9144 95 8 -8.0 0.7 | 77 5 -4.4 -1.0 21 300 9710 105 12 -11.6 3.1 | 100 8 -8.0 1.4 22 261 10668 95 11 -11.0 1.0 | 84 7 -7.4 -0.8 23 250 10980 85 14 -13.9 -1.2 | 74 11 -10.4 -2.9 24 208 12192 95 17 -16.9 1.5 | 89 13 -13.3 -0.2 25 200 12460 100 19 -18.7 3.3 | 96 15 -15.1 1.6 26 164 13716 90 24 -24.0 0.0 | 85 20 -20.4 -1.7 27 150 14260 85 24 -23.9 -2.1 | 79 21 -20.3 -3.8 28 127 15240 100 15 -14.8 2.6 | 94 11 -11.2 0.9 29 103 16459 350 11 1.9 -10.8 | 336 14 5.5 -12.6 30 100 16630 10 7 -1.2 -6.9 | 345 9 2.4 -8.6 31 85 17542 155 10 -4.2 9.1 | 175 7 -0.6 7.3 32 74 18288 205 5 2.1 4.5 | 244 6 5.7 2.8 33 70 18640 295 14 12.7 -5.9 | 295 18 16.3 -7.6 34 58 19812 285 8 7.7 -2.1 | 289 12 11.3 -3.8 35 50 20650 270 14 14.0 -0.0 | 276 18 17.6 -1.7 36 43 21336 245 9 8.2 3.8 | 260 12 11.7 2.1 37 31 22860 225 14 9.9 9.9 | 239 16 13.5 8.2 Wind Parameters Mean winds (0-6000m): 85.7 at 5.3 knts Storm direction: 115.7 at 4.0 knts Shear (0-3000m) pos: 1.6 neg: 2.1 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 130.6 deg Storm rel helicity (0-3000m) pos: 18.3 neg: -5.4 tot: 12.9 m^2/s^2 ave: 4.3 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.17 Bulk Shear: 2.07 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 3 334 4| 0.0 6.0 6.0| 7.9 -1.5 6.3 12.6 0.71| 9.6 6.8 1000 69 3 342 3| 1.7 3.0 4.7| 9.6 -3.6 6.0 6.0 0.31| 8.4 2.6 1500 71 4 355 3| 1.1 4.0 5.1| 13.9 -3.6 10.3 6.9 0.44| 7.9 3.4 2000 77 4 16 3| 1.6 3.0 4.6| 16.1 -3.6 12.5 6.2 0.45| 6.7 3.0 2500 87 5 33 2| 1.9 2.4 4.3| 18.3 -3.8 14.5 5.8 0.49| 6.2 3.1 3000 92 5 43 2| 1.6 2.1 3.7| 18.3 -5.4 12.9 4.3 0.35| 5.9 2.0 4000 92 5 43 2| 1.2 2.1 3.3| 19.6 -5.5 14.1 3.5 0.34| 5.2 1.7 5000 89 5 45 3| 1.0 1.5 2.5| 20.2 -10.0 10.2 2.0 0.22| 4.7 1.0 6000 86 5 39 3| 0.8 1.3 2.1| 20.9 -10.6 10.4 1.7 0.22| 4.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20250427.00.gif