UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:0000Z 18 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 1010 5 26.6 25.5 94 1.1 25.8 100 2 298.9 302.7 298.6 359.6 20.75 1 1000 104 26.6 20.6 70 6.0 22.3 310 9 299.8 302.6 295.5 344.9 15.45 2 925 789 22.4 17.4 73 5.0 18.9 330 7 302.2 304.7 294.9 342.5 13.64 3 850 1522 19.2 11.2 60 8.0 14.1 270 6 306.3 308.1 293.3 336.0 9.88 4 700 3167 10.2 4.2 66 6.0 6.7 280 13 313.8 315.2 293.6 336.9 7.41 5 610 4303 5.2 -3.8 52 9.0 0.6 299 6 320.6 321.5 293.3 336.0 4.74 6 500 5900 -4.5 -11.5 58 7.0 -7.5 285 1 327.6 328.2 293.9 338.3 3.17 7 400 7610 -16.3 -19.9 74 3.6 -17.4 65 3 333.8 334.2 294.5 340.8 1.97 8 386 7878 -17.9 -21.4 74 3.5 -19.0 38 3 335.1 335.5 294.7 341.5 1.79 9 349 8630 -21.5 -28.5 53 7.0 -23.2 77 7 340.1 340.3 295.3 344.0 1.04 10 326 9130 -25.3 -40.3 23 15.0 -27.6 104 10 341.5 341.6 295.0 342.9 0.35 11 306 9588 -29.1 -36.1 51 7.0 -30.2 113 18 342.4 342.5 295.4 344.6 0.57 12 303 9659 -29.3 -44.3 22 15.0 -31.1 114 19 343.1 343.2 295.3 344.1 0.25 13 300 9730 -29.9 -40.9 34 11.0 -31.4 115 20 343.2 343.3 295.4 344.7 0.36 14 250 11000 -40.1 -52.1 27 12.0 -40.9 275 3 346.4 346.5 296.0 347.0 0.12 15 220 11858 -47.3 -63.3 14 16.0 -47.8 32 11 348.2 348.3 296.3 348.4 0.03 16 200 12480 -52.9 -64.9 22 12.0 -53.2 85 15 349.0 349.0 296.4 349.1 0.03 17 150 14270 -68.3 -75.3 36 7.0 -68.4 110 24 352.4 352.4 297.1 352.5 0.01 18 149 14310 -68.5 -75.5 36 7.0 -68.5 110 24 352.8 352.8 297.3 352.8 0.01 19 129 15159 -74.5 -78.8 51 4.3 -74.5 106 28 356.8 356.8 298.1 356.9 0.01 20 100 16610 -82.1 -88.1 35 6.0 -82.1 45 15 369.1 369.1 300.4 369.1 0.00 21 96 16839 -83.7 -88.6 42 4.9 -83.7 60 18 370.3 370.3 300.6 370.3 0.00 22 70 18630 -77.3 -88.3 16 11.0 -77.3 260 21 419.0 419.0 307.6 419.0 0.00 23 55 20034 -69.7 -97.7 1 28.0 -69.8 279 25 466.4 466.4 312.3 466.4 0.00 24 50 20600 -69.9 -92.9 2 23.0 -70.1 275 29 478.8 478.8 313.4 478.8 0.00 25 41 21812 -60.3 -91.3 1 31.0 -61.0 278 21 530.7 530.7 316.9 530.7 0.00 26 30 23750 -62.9 -92.9 1 30.0 -63.6 105 2 573.2 573.2 319.3 573.2 0.00 27 28 24173 -64.7 -94.7 1 30.0 -65.3 105 2 579.6 579.6 319.6 579.6 0.00 28 20 26297 -50.5 -84.5 1 34.0 -53.8 84 22 681.6 681.6 323.8 681.7 0.02 TRP 96 16839 -83.7 -88.6 42 4.9 -83.7 60 18 370.3 370.3 300.6 370.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 551.03 mb = 5158.97 m = 16925.54 ft Wetbulb zero: 601.76 mb = 4411.91 m = 14474.59 ft Precipitable water: 1.90 inches Sfc-500 mean rel hum: 61.68 % Est. max temperature: 33.42 C = 92.16 F Sfc-Lift cond lev (LCL): 994.51 mb = 152.41 m = 500.03 ft T: 26.30 C 700-500 lapse rate: 5.38 C/km ThetaE index: 23.56 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 796.68 mb = 2070.88 m = 6794.15 ft Mean mixing ratio: 14.68 g/kg Conv temperature: 36.51 C = 97.71 F Cap Strength: 2.94 C Lifted Index: 0.58 C Risk: Showers probable Lifted Index @300 mb: 1.66 C Lifted Index @700 mb: 1.22 C Showalter Index: 3.98 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 15.70 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 147.40 Risk: None Energy Index: 0.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.40 J/kg Max Up Vert Vel: 7.13 m/s Conv Inhibition (B-): 300.41 J/kg Cap Strength: 2.94 C Lift Cond Lev (LCL): 888.83 mb = 1134.80 m = 3723.06 ft Lev Free Conv (LFC): 453.83 mb = 6642.50 m = 21792.73 ft Equ Level (EL): 373.83 mb = 8117.29 m = 26631.19 ft B at Equ Level: 23.56 J/kg Max Parcel Lev (MPL): 343.83 mb = 8739.28 m = 28671.83 ft Wind level data Storm motion: 316 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 1010 5 100 2 -2.0 0.3 | 126 7 -5.4 3.9 1 1000 104 310 9 6.9 -5.8 | 303 4 3.4 -2.2 2 977 305 60 3 -2.6 -1.5 | 109 6 -6.1 2.1 3 944 610 330 6 3.0 -5.2 | 16 2 -0.5 -1.6 4 925 789 330 7 3.5 -6.1 | 359 3 0.0 -2.5 5 912 914 330 8 4.0 -6.9 | 351 3 0.5 -3.4 6 880 1219 300 3 2.6 -1.5 | 157 2 -0.9 2.1 7 850 1522 270 6 6.0 -0.0 | 215 4 2.5 3.6 8 820 1829 265 8 8.0 0.7 | 227 6 4.5 4.3 9 791 2134 265 8 8.0 0.7 | 227 6 4.5 4.3 10 763 2438 270 9 9.0 -0.0 | 237 7 5.5 3.6 11 736 2743 265 11 11.0 1.0 | 239 9 7.5 4.5 12 700 3167 280 13 12.8 -2.3 | 262 9 9.3 1.3 13 659 3658 295 10 9.1 -4.2 | 277 6 5.6 -0.7 14 611 4267 300 6 5.2 -3.0 | 252 2 1.7 0.6 15 567 4877 270 4 4.0 -0.0 | 189 4 0.5 3.6 16 500 5900 285 1 1.0 -0.3 | 143 4 -2.5 3.3 17 487 6096 225 2 1.4 1.4 | 158 5 -2.1 5.0 18 400 7610 65 3 -2.7 -1.3 | 110 7 -6.2 2.3 19 399 7620 25 2 -0.8 -1.8 | 112 5 -4.3 1.7 20 325 9144 105 10 -9.7 2.6 | 115 14 -13.1 6.2 21 300 9730 115 20 -18.1 8.5 | 119 25 -21.6 12.0 22 262 10668 155 8 -3.4 7.3 | 148 13 -6.8 10.8 23 250 11000 275 3 3.0 -0.3 | 172 3 -0.5 3.3 24 209 12192 80 14 -13.8 -2.4 | 94 17 -17.3 1.1 25 200 12480 85 15 -14.9 -1.3 | 97 19 -18.4 2.3 26 164 13716 95 21 -20.9 1.8 | 102 25 -24.4 5.4 27 150 14270 110 24 -22.6 8.2 | 114 29 -26.0 11.8 28 127 15240 105 28 -27.0 7.2 | 110 32 -30.5 10.8 29 103 16459 45 11 -7.8 -7.8 | 69 12 -11.2 -4.2 30 100 16610 45 15 -10.6 -10.6 | 63 16 -14.1 -7.0 31 96 16839 60 18 -15.6 -9.0 | 74 20 -19.1 -5.4 32 74 18288 245 15 13.6 6.3 | 226 14 10.1 9.9 33 70 18630 260 21 20.7 3.6 | 247 19 17.2 7.2 34 57 19812 280 24 23.6 -4.2 | 272 20 20.2 -0.6 35 50 20600 275 29 28.9 -2.5 | 268 25 25.4 1.0 36 44 21336 275 24 23.9 -2.1 | 266 20 20.4 1.5 37 35 22860 285 16 15.5 -4.1 | 273 12 12.0 -0.6 38 30 23750 105 2 -1.9 0.5 | 127 7 -5.4 4.1 39 26 24384 105 1 -1.0 0.3 | 131 6 -4.4 3.8 40 18 25908 75 32 -30.9 -8.3 | 82 35 -34.4 -4.7 Wind Parameters Mean winds (0-6000m): 285.8 at 6.6 knts Storm direction: 315.8 at 5.0 knts Shear (0-3000m) pos: 0.8 neg: 1.7 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 127.4 deg Storm rel helicity (0-3000m) pos: 21.4 neg: -7.6 tot: 13.7 m^2/s^2 ave: 4.6 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 4.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.18 Bulk Shear: 4.90 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 ------------------------------------------------------------------------------- 500 347 5 59 3| 0.0 5.8 5.8| 10.8 -4.9 5.8 11.6 0.75| 36.4 27.4 1000 334 6 27 2| 0.0 4.2 4.2| 10.8 -7.3 3.4 3.4 0.53| 21.7 11.6 1500 323 5 15 1| 0.0 2.7 2.7| 12.4 -7.6 4.7 3.1 0.43| 17.2 7.4 2000 303 6 258 2| 0.0 2.6 2.6| 13.7 -7.6 6.1 3.1 0.43| 13.5 5.8 2500 292 6 245 3| 0.3 2.0 2.4| 15.9 -7.6 8.3 3.3 0.44| 11.2 4.9 3000 285 7 244 4| 0.8 1.7 2.5| 21.4 -7.6 13.7 4.6 0.45| 9.9 4.5 4000 286 8 253 5| 0.6 1.3 1.9| 28.7 -8.1 20.6 5.1 0.44| 8.5 3.7 5000 287 8 250 4| 0.5 0.8 1.3| 28.7 -10.8 17.8 3.6 0.35| 7.3 2.6 6000 286 7 239 3| 0.4 0.7 1.1| 29.5 -13.1 16.5 2.7 0.32| 6.4 2.0 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20250418.00.gif