UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:0000Z 17 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 26.2 25.4 95 0.8 25.6 10 1 298.4 302.2 298.4 358.5 20.60 1 1000 109 25.8 21.2 76 4.6 22.5 270 7 299.0 301.9 295.7 345.7 16.05 2 925 794 22.4 17.4 73 5.0 18.9 260 3 302.2 304.7 294.9 342.5 13.64 3 850 1526 19.0 13.0 68 6.0 15.0 315 1 306.0 308.1 294.2 339.5 11.14 4 790 2153 16.6 7.6 55 9.0 11.1 260 1 310.0 311.5 293.2 335.5 8.32 5 700 3171 9.6 3.6 66 6.0 6.1 280 3 313.1 314.5 293.1 335.3 7.10 6 500 5900 -4.5 -11.5 58 7.0 -7.5 295 4 327.6 328.2 293.9 338.3 3.17 7 469 6401 -7.3 -15.3 53 8.0 -10.4 250 4 330.1 330.6 294.0 338.7 2.48 8 434 7000 -11.9 -16.2 70 4.3 -13.5 179 5 331.7 332.2 294.4 340.3 2.49 9 400 7620 -15.3 -20.3 66 5.0 -16.9 105 6 335.1 335.5 294.8 341.9 1.90 10 342 8785 -23.1 -33.1 40 10.0 -25.1 90 11 339.9 340.0 294.9 342.5 0.69 11 304 9636 -29.7 -33.7 68 4.0 -30.4 72 9 342.2 342.4 295.5 345.0 0.73 12 300 9730 -30.3 -35.1 63 4.8 -31.1 70 8 342.7 342.8 295.6 345.2 0.64 13 250 11000 -40.7 -45.7 59 5.0 -41.1 145 8 345.6 345.6 295.8 346.6 0.26 14 200 12480 -52.3 -62.3 29 10.0 -52.6 100 14 349.9 350.0 296.7 350.1 0.04 15 193 12709 -53.3 -66.3 19 13.0 -53.6 102 15 351.9 351.9 297.1 352.0 0.03 16 150 14270 -67.9 -72.9 49 5.0 -67.9 105 18 353.1 353.1 297.3 353.2 0.01 17 117 15724 -79.5 -83.7 50 4.2 -79.5 90 16 357.7 357.7 298.2 357.7 0.00 18 100 16610 -81.9 -85.9 50 4.0 -81.9 95 9 369.5 369.5 300.5 369.5 0.00 19 89 17263 -83.9 -86.4 65 2.5 -83.9 80 10 378.0 378.0 301.9 378.0 0.00 20 86 17453 -85.9 -89.7 50 3.8 -85.9 75 10 377.7 377.7 301.9 377.7 0.00 21 81 17792 -75.1 -84.1 23 9.0 -75.2 135 9 406.4 406.4 306.0 406.4 0.00 22 80 17865 -75.3 -84.3 23 9.0 -75.3 147 9 407.4 407.4 306.2 407.4 0.00 23 70 18640 -76.1 -85.1 23 9.0 -76.2 250 25 421.6 421.6 307.9 421.6 0.00 24 67 18893 -77.5 -85.5 26 8.0 -77.5 254 27 423.9 423.9 308.2 423.9 0.00 25 50 20610 -69.1 -84.1 10 15.0 -69.2 275 32 480.7 480.7 313.5 480.7 0.01 26 42 21668 -61.7 -80.7 6 19.0 -62.2 283 21 523.6 523.6 316.5 523.6 0.01 27 30 23750 -61.3 -81.3 5 20.0 -62.0 10 11 577.5 577.5 319.5 577.6 0.02 28 26 24660 -50.7 -82.7 1 32.0 -53.4 75 7 631.8 631.8 322.0 631.9 0.02 29 24 25179 -53.3 -82.3 2 29.0 -55.5 638.8 638.8 322.3 639.0 0.02 TRP 86 17453 -85.9 -89.7 50 3.8 -85.9 75 10 377.7 377.7 301.9 377.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 563.83 mb = 5029.04 m = 16499.28 ft Wetbulb zero: 610.05 mb = 4286.48 m = 14063.07 ft Precipitable water: 1.95 inches Sfc-500 mean rel hum: 64.60 % Est. max temperature: 33.27 C = 91.89 F Sfc-Lift cond lev (LCL): 999.83 mb = 110.53 m = 362.61 ft T: 25.79 C 700-500 lapse rate: 5.17 C/km ThetaE index: 23.27 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 786.13 mb = 2193.97 m = 7197.99 ft Mean mixing ratio: 15.00 g/kg Conv temperature: 37.91 C = 100.23 F Cap Strength: 2.87 C Lifted Index: 0.40 C Risk: Showers probable Lifted Index @300 mb: 1.03 C Lifted Index @700 mb: 0.50 C Showalter Index: 2.48 C Risk: Showers probable Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 17.50 C K Index: 30.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 162.00 Risk: None Energy Index: -0.21 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.99 J/kg Max Up Vert Vel: 5.29 m/s Conv Inhibition (B-): 214.81 J/kg Cap Strength: 2.85 C Lift Cond Lev (LCL): 898.48 mb = 1045.80 m = 3431.05 ft Lev Free Conv (LFC): 443.48 mb = 6832.92 m = 22417.44 ft Equ Level (EL): 403.48 mb = 7554.09 m = 24783.47 ft B at Equ Level: 12.78 J/kg Max Parcel Lev (MPL): 353.48 mb = 8539.21 m = 28015.45 ft Wind level data Storm motion: 288 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 10 1 -0.2 -1.0 | 92 4 -3.7 0.2 1 1000 109 270 7 7.0 -0.0 | 252 4 3.4 1.1 2 978 305 240 3 2.6 1.5 | 160 3 -1.0 2.6 3 945 610 260 3 3.0 0.5 | 160 2 -0.6 1.7 4 925 794 260 3 3.0 0.5 | 160 2 -0.6 1.7 5 912 914 260 3 3.0 0.5 | 160 2 -0.6 1.7 6 881 1219 255 3 2.9 0.8 | 161 2 -0.7 1.9 7 850 1526 315 1 0.7 -0.7 | 99 3 -2.9 0.4 8 820 1829 285 1 1.0 -0.3 | 109 3 -2.6 0.9 9 791 2134 260 1 1.0 0.2 | 117 3 -2.6 1.3 10 763 2438 265 2 2.0 0.2 | 130 2 -1.6 1.3 11 736 2743 275 3 3.0 -0.3 | 147 1 -0.6 0.9 12 700 3171 280 3 3.0 -0.5 | 136 1 -0.6 0.6 13 659 3658 250 4 3.8 1.4 | 185 3 0.2 2.5 14 612 4267 245 16 14.5 6.8 | 234 13 10.9 7.9 15 567 4877 255 8 7.7 2.1 | 232 5 4.2 3.2 16 500 5900 295 4 3.6 -1.7 | 353 1 0.1 -0.5 17 487 6096 285 3 2.9 -0.8 | 119 1 -0.7 0.4 18 400 7620 105 6 -5.8 1.6 | 106 10 -9.4 2.7 19 400 7620 105 7 -6.8 1.8 | 106 11 -10.3 3.0 20 325 9144 85 12 -12.0 -1.0 | 90 16 -15.5 0.1 21 300 9730 70 8 -7.5 -2.7 | 82 11 -11.1 -1.6 22 262 10668 60 2 -1.7 -1.0 | 92 5 -5.3 0.1 23 250 11000 145 8 -4.6 6.6 | 133 11 -8.1 7.7 24 209 12192 110 11 -10.3 3.8 | 109 15 -13.9 4.9 25 200 12480 100 14 -13.8 2.4 | 102 18 -17.3 3.6 26 164 13716 110 19 -17.9 6.5 | 110 23 -21.4 7.6 27 150 14270 105 18 -17.4 4.7 | 105 22 -20.9 5.8 28 127 15240 100 19 -18.7 3.3 | 101 23 -22.3 4.4 29 103 16459 75 11 -10.6 -2.8 | 83 14 -14.2 -1.7 30 100 16610 95 9 -9.0 0.8 | 99 13 -12.5 1.9 31 86 17453 75 10 -9.7 -2.6 | 84 13 -13.2 -1.4 32 74 18288 220 8 5.1 6.1 | 192 7 1.6 7.3 33 70 18640 250 25 23.5 8.6 | 244 22 19.9 9.7 34 57 19812 270 32 32.0 -0.0 | 268 28 28.4 1.1 35 50 20610 275 32 31.9 -2.8 | 273 28 28.3 -1.6 36 44 21336 280 24 23.6 -4.2 | 279 20 20.1 -3.0 37 35 22860 295 12 10.9 -5.1 | 298 8 7.3 -3.9 38 30 23750 10 11 -1.9 -10.8 | 29 11 -5.5 -9.7 39 26 24384 80 7 -6.9 -1.2 | 90 10 -10.5 -0.1 Wind Parameters Mean winds (0-6000m): 257.8 at 5.0 knts Storm direction: 287.8 at 3.7 knts Shear (0-3000m) pos: 0.4 neg: 0.9 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 48.4 deg Storm rel helicity (0-3000m) pos: 2.1 neg: -4.3 tot: -2.2 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 105.39 Bulk Shear: 0.13 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 ------------------------------------------------------------------------------- 500 260 4 191 2| 0.0 3.7 3.7| 0.9 -3.3 -2.5 -5.0 0.33| 16.3 5.4 1000 259 3 176 2| 0.1 1.8 2.0| 0.9 -3.4 -2.5 -2.5 0.32| 8.4 2.7 1500 260 3 165 2| 0.9 1.2 2.1| 0.9 -4.3 -3.4 -2.3 0.17| 6.6 1.1 2000 263 3 146 2| 0.7 1.1 1.7| 1.4 -4.3 -2.9 -1.4 0.20| 5.1 1.0 2500 263 2 140 2| 0.5 1.1 1.6| 1.9 -4.3 -2.3 -0.9 0.22| 4.4 1.0 3000 265 2 140 2| 0.4 0.9 1.3| 2.1 -4.3 -2.2 -0.7 0.22| 3.8 0.9 4000 262 3 161 2| 0.3 1.7 2.1| 6.1 -4.3 1.8 0.5 0.29| 4.0 1.2 5000 255 5 205 3| 0.7 1.4 2.1| 9.6 -4.8 4.7 0.9 0.23| 4.6 1.1 6000 258 5 211 3| 0.9 1.2 2.1| 11.1 -4.8 6.3 1.1 0.27| 4.3 1.2 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20250417.00.gif