UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 25 APR 25 Station: VTCC WMO ident: 48327 Latitude: 18.78 Longitude: 98.98 Elevation: 314.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 93 SFC 975 314 28.2 17.2 51 11.0 20.6 0 0 303.5 305.9 294.7 341.4 12.76 2 973 332 26.6 17.6 58 9.0 20.4 354 0 302.1 304.5 294.5 340.8 13.12 3 955 499 27.8 16.8 51 11.0 20.2 301 2 304.9 307.3 295.0 342.9 12.70 4 925 783 25.8 15.8 54 10.0 18.9 190 1 305.7 308.0 294.9 342.5 12.29 5 885 1172 24.2 14.2 54 10.0 17.5 317 7 307.9 310.1 295.0 343.0 11.58 6 850 1524 21.0 12.0 56 9.0 15.1 330 7 308.1 310.1 294.3 339.8 10.42 7 737 2741 12.2 7.3 72 4.9 9.2 81 4 311.4 313.0 293.9 338.3 8.74 8 700 3173 10.6 -1.4 43 12.0 4.2 85 5 314.2 315.2 291.7 329.9 4.93 9 691 3281 10.2 -4.8 34 15.0 2.8 121 5 314.9 315.7 291.0 327.4 3.87 10 658 3684 6.4 -2.6 53 9.0 1.8 251 3 315.1 316.0 291.8 330.4 4.80 11 632 4014 6.4 -31.6 5 38.0 -4.3 267 9 318.8 318.8 288.8 320.3 0.43 12 628 4066 6.6 -31.4 5 38.0 -4.1 269 9 319.6 319.6 289.1 321.2 0.44 13 586 4630 2.6 -32.4 5 35.0 -6.7 289 11 321.3 321.4 289.6 322.9 0.43 14 568 4881 2.0 -46.0 1 48.0 -7.8 295 10 323.5 323.5 289.9 323.9 0.11 15 528 5467 -0.5 -38.5 4 38.0 -9.3 323 8 327.3 327.3 291.2 328.3 0.26 16 500 5900 -3.7 -35.7 6 32.0 -11.3 345 7 328.5 328.6 291.7 329.9 0.36 17 422 7206 -15.5 -40.5 10 25.0 -19.8 328 15 329.8 329.8 291.9 330.8 0.26 18 415 7332 -14.1 -52.1 2 38.0 -19.3 327 15 333.1 333.2 292.6 333.4 0.07 19 400 7610 -16.1 -53.1 3 37.0 -20.8 325 15 334.1 334.1 292.9 334.3 0.07 20 311 9462 -27.5 -68.5 1 41.0 -30.2 342 12 343.1 343.1 295.1 343.1 0.01 21 300 9720 -29.7 -69.7 1 40.0 -32.0 340 12 343.5 343.5 295.2 343.6 0.01 22 250 10990 -40.5 -74.5 1 34.0 -41.5 340 11 345.9 345.9 295.7 345.9 0.01 23 236 11380 -44.1 -72.1 3 28.0 -44.9 345 10 346.2 346.2 295.8 346.2 0.01 24 200 12470 -52.3 -76.3 4 24.0 -52.7 340 4 349.9 349.9 296.6 350.0 0.01 25 173 13392 -60.1 -78.1 8 18.0 -60.3 340 8 351.9 351.9 297.0 351.9 0.01 26 150 14270 -66.5 -82.5 9 16.0 -66.6 5 9 355.5 355.5 297.8 355.5 0.00 27 122 15493 -74.9 -85.9 17 11.0 -74.9 18 5 361.8 361.8 299.1 361.8 0.00 28 114 15883 -78.3 -91.3 10 13.0 -78.3 341 4 362.6 362.6 299.2 362.6 0.00 29 105 16352 -78.3 -104.3 1 26.0 -78.3 296 4 371.2 371.2 300.8 371.2 0.00 30 100 16630 -78.3 -104.3 1 26.0 -78.3 240 3 376.4 376.4 301.6 376.4 0.00 31 89 17292 -80.9 -99.9 3 19.0 -80.9 210 8 384.0 384.0 302.9 384.0 0.00 32 77 18109 -81.5 -98.5 4 17.0 -81.5 198 6 399.0 399.0 305.0 399.0 0.00 33 70 18650 -77.7 -98.7 2 21.0 -77.7 255 7 418.2 418.2 307.5 418.2 0.00 34 68 18817 -77.1 -98.1 2 21.0 -77.1 261 7 422.9 422.9 308.0 422.9 0.00 35 63 19256 -78.5 -97.5 3 19.0 -78.6 276 5 429.2 429.2 308.7 429.2 0.00 36 56 19940 -73.5 -99.5 1 26.0 -73.6 292 5 455.3 455.3 311.4 455.3 0.00 37 52 20382 -66.7 -95.7 1 29.0 -67.0 284 6 480.9 480.9 313.5 480.9 0.00 38 50 20620 -67.1 -96.1 1 29.0 -67.3 280 7 485.4 485.4 313.9 485.4 0.00 39 47 20993 -67.3 -96.3 1 29.0 -67.5 339 8 493.5 493.5 314.5 493.6 0.00 40 43 21534 -62.7 -92.7 1 30.0 -63.2 41 9 517.6 517.6 316.1 517.6 0.00 41 39 22135 -63.3 -93.3 1 30.0 -63.8 70 11 530.7 530.7 316.9 530.7 0.00 42 31 23571 -55.5 -87.5 1 32.0 -57.0 89 19 587.8 587.8 320.0 587.8 0.01 43 30 23780 -55.3 -87.3 1 32.0 -56.8 85 21 593.9 593.9 320.3 593.9 0.01 44 28 24220 -55.7 -87.7 1 32.0 -57.3 97 21 604.6 604.6 320.8 604.6 0.01 45 26 24696 -51.7 -84.7 1 33.0 -54.2 110 20 628.9 628.9 321.9 629.0 0.01 46 25 24954 -46.5 -81.5 1 35.0 -50.5 107 19 650.9 651.0 322.7 651.1 0.02 47 20 26423 -50.3 -84.3 1 34.0 -53.7 92 16 682.2 682.2 323.9 682.3 0.02 TRP 89 17292 -80.9 -99.9 3 19.0 -80.9 210 8 384.0 384.0 302.9 384.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5807.00 m Freezing level: 536.00 mb = 5350.11 m = 17552.64 ft Wetbulb zero: 650.34 mb = 3779.91 m = 12401.13 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 36.31 % Est. max temperature: 33.46 C = 92.23 F Sfc-Lift cond lev (LCL): 830.72 mb = 1719.80 m = 5642.32 ft T: 19.58 C 700-500 lapse rate: 5.24 C/km ThetaE index: 15.60 C Layer 850.0- 658.0 mb Conv cond level (CCL): 737.44 mb = 2736.36 m = 8977.44 ft Mean mixing ratio: 12.23 g/kg Conv temperature: 35.97 C = 96.74 F Cap Strength: 3.56 C Lifted Index: 2.02 C Risk: None Lifted Index @300 mb: 2.86 C Lifted Index @700 mb: 2.14 C Showalter Index: 3.19 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 15.70 C K Index: 24.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 165.00 Risk: None Energy Index: -1.75 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.26 J/kg Max Up Vert Vel: 8.75 m/s Conv Inhibition (B-): 391.04 J/kg Cap Strength: 3.56 C Lift Cond Lev (LCL): 796.63 mb = 2077.47 m = 6815.76 ft Lev Free Conv (LFC): 451.63 mb = 6683.55 m = 21927.39 ft Equ Level (EL): 411.63 mb = 7393.89 m = 24257.88 ft B at Equ Level: 36.11 J/kg Max Parcel Lev (MPL): 351.63 mb = 8558.56 m = 28078.93 ft Wind level data Storm motion: 336 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 ---------------------------------------------------------- 0 975 314 0 0 -0.0 -0.0 | 156 5 -2.1 4.6 1 943 610 265 3 3.0 0.3 | 190 5 0.9 4.9 2 925 783 190 1 0.2 1.0 | 161 6 -1.9 5.6 3 911 914 275 4 4.0 -0.3 | 204 5 1.9 4.3 4 880 1219 325 7 4.0 -5.7 | 300 2 1.9 -1.1 5 850 1524 330 7 3.5 -6.1 | 316 2 1.4 -1.4 6 820 1829 310 4 3.1 -2.6 | 205 2 1.0 2.1 7 791 2134 260 5 4.9 0.9 | 207 6 2.8 5.5 8 763 2438 280 4 3.9 -0.7 | 205 4 1.9 3.9 9 736 2743 85 4 -4.0 -0.3 | 125 7 -6.1 4.3 10 700 3173 85 5 -5.0 -0.4 | 121 8 -7.1 4.2 11 659 3658 250 3 2.8 1.0 | 187 6 0.7 5.7 12 612 4267 280 13 12.8 -2.3 | 258 11 10.7 2.4 13 567 4877 295 10 9.1 -4.2 | 267 7 7.0 0.4 14 500 5900 345 7 1.8 -6.8 | 7 2 -0.3 -2.1 15 487 6096 335 14 5.9 -12.7 | 335 9 3.8 -8.1 16 400 7610 325 15 8.6 -12.3 | 320 10 6.5 -7.7 17 399 7620 320 13 8.4 -10.0 | 310 8 6.3 -5.3 18 325 9144 345 12 3.1 -11.6 | 352 7 1.0 -7.0 19 300 9720 340 12 4.1 -11.3 | 343 7 2.0 -6.7 20 262 10668 350 11 1.9 -10.8 | 2 6 -0.2 -6.2 21 250 10990 340 11 3.8 -10.3 | 344 6 1.7 -5.7 22 209 12192 355 9 0.8 -9.0 | 17 5 -1.3 -4.3 23 200 12470 340 4 1.4 -3.8 | 140 1 -0.7 0.9 24 164 13716 340 10 3.4 -9.4 | 344 5 1.3 -4.8 25 150 14270 5 9 -0.8 -9.0 | 33 5 -2.9 -4.3 26 127 15240 40 5 -3.2 -3.8 | 99 5 -5.3 0.8 27 103 16459 285 4 3.9 -1.0 | 206 4 1.8 3.6 28 100 16630 240 3 2.6 1.5 | 185 6 0.5 6.1 29 89 17292 210 8 4.0 6.9 | 189 12 1.9 11.6 30 75 18288 195 5 1.3 4.8 | 175 9 -0.8 9.5 31 70 18650 255 7 6.8 1.8 | 216 8 4.7 6.4 32 57 19812 295 4 3.6 -1.7 | 208 3 1.5 2.9 33 50 20620 280 7 6.9 -1.2 | 235 6 4.8 3.4 34 45 21336 30 8 -4.0 -6.9 | 69 7 -6.1 -2.3 35 35 22860 105 13 -12.6 3.4 | 119 17 -14.6 8.0 36 30 23780 85 21 -20.9 -1.8 | 97 23 -23.0 2.8 37 26 24384 110 20 -18.8 6.8 | 119 24 -20.9 11.5 38 18 25908 85 15 -14.9 -1.3 | 101 17 -17.0 3.3 Wind Parameters Mean winds (0-6000m): 305.7 at 6.8 knts Storm direction: 335.7 at 5.1 knts Shear (0-3000m) pos: 1.1 neg: 1.3 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -10.5 deg Storm rel helicity (0-3000m) pos: 22.9 neg: -7.8 tot: 15.1 m^2/s^2 ave: 5.0 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8.50 Bulk Shear: 4.50 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 ------------------------------------------------------------------------------- 500 256 2 175 5| 0.0 1.8 1.8| 2.6 -3.0 -0.4 -0.8 0.06| 6.5 0.4 1000 297 3 198 3| 4.1 0.9 4.9| 11.3 -3.0 8.2 8.2 0.57| 8.2 4.7 1500 312 4 215 2| 2.7 1.6 4.3| 11.5 -4.4 7.1 4.7 0.31| 6.8 2.1 2000 302 4 216 3| 2.0 1.9 3.9| 11.6 -5.0 6.5 3.3 0.24| 6.3 1.5 2500 303 4 215 3| 1.9 1.5 3.4| 14.4 -6.9 7.5 3.0 0.09| 7.6 0.7 3000 314 4 214 2| 1.1 1.3 2.3| 22.9 -7.8 15.1 5.0 0.16| 7.2 1.1 4000 295 5 225 3| 1.9 0.9 2.8| 57.1 -7.8 49.4 12.3 0.38| 7.7 2.9 5000 295 6 239 4| 1.5 0.8 2.2| 64.0 -7.8 56.3 11.3 0.39| 6.9 2.7 6000 306 7 259 3| 1.2 0.5 1.7| 66.7 -11.8 54.9 9.2 0.34| 6.8 2.3 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250425.00.gif