UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 17 APR 25 Station: VTUN WMO ident: 48431 Latitude: 14.97 Longitude: 102.83 Elevation: 181.00 ------------------------------------------------------------------------------- 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 43 SFC 984 181 27.0 23.1 79 3.9 24.2 290 3 301.5 304.9 297.8 355.7 18.38 2 976 254 26.6 22.3 77 4.3 23.5 279 4 301.8 305.1 297.5 353.9 17.63 3 946 534 28.6 18.6 55 10.0 21.5 236 8 306.6 309.3 296.6 349.9 14.40 4 925 735 26.8 19.8 66 7.0 21.8 230 8 306.7 309.7 297.6 354.6 15.91 5 850 1477 20.8 17.9 83 2.9 18.8 260 11 307.9 310.8 297.5 354.4 15.36 6 845 1528 20.4 17.3 82 3.1 18.2 260 11 308.0 310.8 297.3 353.0 14.87 7 707 3049 11.2 7.2 76 4.0 8.8 250 5 314.0 315.7 294.8 342.2 9.05 8 700 3133 11.4 5.4 67 6.0 7.8 250 4 315.1 316.7 294.4 340.4 8.06 9 653 3712 8.6 0.6 57 8.0 4.1 253 5 318.3 319.5 293.8 337.9 6.13 10 584 4627 2.6 -0.2 82 2.8 1.1 222 6 321.6 322.9 294.9 342.5 6.47 11 561 4951 0.4 -3.8 73 4.2 -1.7 233 9 322.7 323.7 294.2 339.6 5.15 12 537 5302 -0.5 -6.5 64 6.0 -3.4 221 12 325.7 326.6 294.4 340.3 4.38 13 500 5870 -4.7 -7.3 82 2.6 -6.0 225 13 327.3 328.2 294.8 342.1 4.43 14 419 7237 -12.5 -13.2 94 0.7 -12.8 282 5 334.3 334.9 295.7 345.7 3.30 15 400 7590 -14.3 -16.2 85 1.9 -15.0 295 3 336.4 337.0 295.7 345.9 2.70 16 370 8180 -17.9 -21.9 71 4.0 -19.1 283 6 339.2 339.6 295.7 345.7 1.79 17 305 9601 -27.9 -34.9 51 7.0 -29.1 264 16 344.4 344.6 296.0 346.9 0.65 18 300 9720 -28.9 -34.9 56 6.0 -29.9 260 17 344.6 344.8 296.0 347.2 0.66 19 287 10036 -31.3 -33.4 82 2.1 -31.7 257 16 345.6 345.8 296.3 348.7 0.80 20 275 10337 -33.3 -36.5 73 3.2 -33.8 254 15 347.0 347.1 296.5 349.4 0.61 21 270 10466 -33.9 -41.9 44 8.0 -34.8 252 15 347.9 348.0 296.5 349.4 0.36 22 266 10570 -34.9 -39.9 60 5.0 -35.5 251 14 347.9 348.0 296.5 349.7 0.45 23 259 10756 -36.7 -42.7 54 6.0 -37.4 251 15 348.0 348.0 296.5 349.3 0.34 24 257 10810 -36.9 -49.9 25 13.0 -37.9 252 15 348.4 348.5 296.4 349.1 0.16 25 254 10891 -37.7 -59.7 8 22.0 -38.9 253 15 348.4 348.4 296.3 348.6 0.05 26 250 11000 -38.5 -56.5 13 18.0 -39.6 255 16 348.8 348.8 296.4 349.1 0.07 27 244 11166 -40.1 -59.1 11 19.0 -41.1 254 16 348.9 348.9 296.4 349.1 0.05 28 241 11250 -41.1 -53.1 26 12.0 -41.9 254 16 348.6 348.6 296.4 349.1 0.11 29 239 11307 -41.3 -45.5 64 4.2 -41.6 254 16 349.1 349.2 296.7 350.2 0.27 30 230 11566 -43.9 -46.0 80 2.1 -44.0 253 16 349.0 349.1 296.7 350.1 0.27 31 226 11684 -44.5 -48.9 61 4.4 -44.8 252 16 349.9 349.9 296.8 350.7 0.20 32 225 11713 -44.7 -58.7 19 14.0 -45.3 252 16 350.0 350.0 296.7 350.3 0.06 33 224 11743 -44.9 -58.9 19 14.0 -45.5 252 16 350.1 350.2 296.7 350.4 0.06 34 216 11985 -46.9 -50.2 69 3.3 -47.1 251 16 350.7 350.7 297.0 351.4 0.18 35 200 12490 -51.1 -54.9 64 3.8 -51.2 235 18 351.8 351.9 297.1 352.3 0.11 36 177 13269 -58.3 -62.6 58 4.3 -58.4 244 17 352.5 352.6 297.2 352.8 0.05 37 159 13934 -62.7 -71.7 29 9.0 -62.8 263 13 356.1 356.1 298.0 356.1 0.02 38 157 14012 -63.1 -70.1 38 7.0 -63.2 268 12 356.7 356.7 298.1 356.8 0.02 39 151 14250 -64.9 -69.2 55 4.3 -65.0 282 9 357.6 357.6 298.2 357.7 0.02 40 150 14290 -65.1 -69.5 54 4.4 -65.1 285 8 357.9 357.9 298.3 358.0 0.02 41 134 14969 -71.1 -78.1 35 7.0 -71.1 302 10 359.0 359.0 298.5 359.0 0.01 42 105 16376 -81.9 -86.1 49 4.2 -81.9 227 5 364.4 364.4 299.5 364.4 0.00 43 102 16539 -82.5 -86.8 47 4.3 -82.5 355 2 366.2 366.3 299.9 366.3 0.00 44 100 16650 -80.7 -85.5 44 4.8 -80.7 10 4 371.8 371.8 300.9 371.8 0.00 45 93 17056 -82.5 -87.4 43 4.9 -82.5 21 7 376.1 376.1 301.6 376.1 0.00 46 70 18650 -80.1 -89.1 21 9.0 -80.1 200 6 413.0 413.0 306.9 413.0 0.00 47 66 18983 -79.3 -89.3 18 10.0 -79.3 206 7 421.8 421.8 307.9 421.8 0.00 48 63 19246 -81.7 -91.7 17 10.0 -81.7 210 7 422.1 422.1 308.0 422.1 0.00 49 60 19524 -75.7 -88.7 11 13.0 -75.7 215 8 441.5 441.5 310.0 441.5 0.00 50 57 19819 -77.1 -91.1 9 14.0 -77.1 221 8 444.8 444.8 310.4 444.8 0.00 51 52 20356 -70.1 -91.1 3 21.0 -70.2 252 10 473.0 473.0 312.9 473.0 0.00 52 50 20590 -69.1 -91.1 3 22.0 -69.3 265 11 480.7 480.7 313.5 480.7 0.00 53 46 21090 -67.9 -90.9 2 23.0 -68.1 265 10 495.1 495.1 314.6 495.2 0.00 54 38 22267 -57.7 -88.7 1 31.0 -58.7 284 4 548.9 548.9 318.1 549.0 0.00 55 30 23770 -54.3 -87.3 1 33.0 -56.0 100 22 596.6 596.6 320.5 596.6 0.01 56 27 24445 -54.3 -87.3 1 33.0 -56.2 104 21 614.9 614.9 321.3 614.9 0.01 TRP 102 16539 -82.5 -86.8 47 4.3 -82.5 355 2 366.2 366.3 299.9 366.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5827.00 m Freezing level: 550.33 mb = 5107.43 m = 16756.47 ft Wetbulb zero: 575.21 mb = 4749.46 m = 15582.02 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 72.49 % Est. max temperature: 33.91 C = 93.04 F Sfc-Lift cond lev (LCL): 930.07 mb = 685.99 m = 2250.61 ft T: 27.24 C 700-500 lapse rate: 5.88 C/km ThetaE index: 16.71 C Layer 850.0- 584.0 mb Conv cond level (CCL): 797.56 mb = 2021.14 m = 6630.97 ft Mean mixing ratio: 15.88 g/kg Conv temperature: 35.41 C = 95.74 F Cap Strength: 2.16 C Lifted Index: -2.90 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.32 C Lifted Index @700 mb: -0.10 C Showalter Index: -3.25 C Risk: Severe thunderstorms possible Total Totals Index: 48.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 22.60 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 249.80 Risk: None Energy Index: -2.43 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 736.65 J/kg Max Up Vert Vel: 38.38 m/s Conv Inhibition (B-): 86.55 J/kg Cap Strength: 2.16 C Lift Cond Lev (LCL): 847.08 mb = 1506.84 m = 4943.65 ft Lev Free Conv (LFC): 732.08 mb = 2752.04 m = 9028.88 ft Equ Level (EL): 172.08 mb = 13443.39 m = 44105.07 ft B at Equ Level: 732.55 J/kg Max Parcel Lev (MPL): 92.08 mb = 17111.93 m = 56140.82 ft Wind level data Storm motion: 269 at 6 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 ---------------------------------------------------------- 0 984 181 290 3 2.8 -1.0 | 70 4 -3.3 -1.2 1 938 610 225 9 6.4 6.4 | 182 6 0.2 6.2 2 925 735 230 8 6.1 5.1 | 180 5 -0.0 5.0 3 906 914 240 8 6.9 4.0 | 192 4 0.8 3.9 4 850 1477 260 11 10.8 1.9 | 249 5 4.7 1.8 5 845 1524 260 11 10.8 1.9 | 249 5 4.7 1.8 6 787 2134 250 8 7.5 2.7 | 208 3 1.4 2.6 7 707 3048 250 5 4.7 1.7 | 138 2 -1.4 1.6 8 700 3133 250 4 3.8 1.4 | 117 3 -2.4 1.2 9 656 3658 255 5 4.8 1.3 | 131 2 -1.3 1.1 10 587 4572 220 6 3.9 4.6 | 153 5 -2.3 4.4 11 565 4877 235 9 7.4 5.2 | 194 5 1.2 5.0 12 524 5486 215 14 8.0 11.5 | 190 11 1.9 11.3 13 500 5870 225 13 9.2 9.2 | 199 10 3.1 9.0 14 486 6096 240 13 11.3 6.5 | 219 8 5.1 6.4 15 400 7590 295 3 2.7 -1.3 | 67 4 -3.4 -1.4 16 398 7620 285 3 2.9 -0.8 | 74 3 -3.2 -0.9 17 324 9144 280 10 9.8 -1.7 | 297 4 3.7 -1.9 18 300 9720 260 17 16.7 3.0 | 255 11 10.6 2.8 19 262 10668 250 14 13.2 4.8 | 237 8 7.0 4.6 20 250 11000 255 16 15.5 4.1 | 247 10 9.3 4.0 21 209 12192 250 16 15.0 5.5 | 239 10 8.9 5.3 22 200 12490 235 18 14.7 10.3 | 220 13 8.6 10.2 23 164 13716 250 16 15.0 5.5 | 239 10 8.9 5.3 24 150 14290 285 8 7.7 -2.1 | 324 3 1.6 -2.2 25 127 15240 310 11 8.4 -7.1 | 342 8 2.3 -7.2 26 103 16459 220 4 2.6 3.1 | 129 5 -3.6 2.9 27 102 16539 355 2 0.2 -2.0 | 70 6 -6.0 -2.1 28 100 16650 10 4 -0.7 -3.9 | 59 8 -6.8 -4.1 29 75 18288 55 18 -14.7 -10.3 | 63 23 -20.9 -10.5 30 70 18650 200 6 2.1 5.6 | 143 7 -4.1 5.5 31 57 19812 220 8 5.1 6.1 | 171 6 -1.0 6.0 32 50 20590 265 11 11.0 1.0 | 260 5 4.8 0.8 33 44 21336 265 9 9.0 0.8 | 257 3 2.8 0.6 34 35 22860 295 1 0.9 -0.4 | 84 5 -5.2 -0.6 35 30 23770 100 22 -21.7 3.8 | 98 28 -27.8 3.7 36 26 24384 105 21 -20.3 5.4 | 101 27 -26.4 5.3 37 22 24994 120 18 -15.6 9.0 | 112 23 -21.7 8.9 Wind Parameters Mean winds (0-6000m): 238.6 at 8.2 knts Storm direction: 268.6 at 6.1 knts Shear (0-3000m) pos: 0.8 neg: 1.1 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 47.8 deg Storm rel helicity (0-3000m) pos: 6.8 neg: -5.4 tot: 1.4 m^2/s^2 ave: 0.5 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 0.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1716.16 Bulk Shear: 0.43 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 ------------------------------------------------------------------------------- 500 237 6 167 3| 0.0 7.7 7.7| 1.0 -0.6 0.4 0.7 0.31| 9.2 2.8 1000 239 7 183 4| 1.8 3.9 5.7| 4.1 -0.6 3.4 3.4 0.44| 6.6 2.9 1500 247 8 207 4| 1.7 2.6 4.3| 6.8 -1.4 5.4 3.6 0.45| 5.5 2.5 2000 249 9 212 3| 1.3 1.8 3.2| 6.8 -3.4 3.4 1.7 0.27| 4.8 1.3 2500 249 8 209 3| 1.0 1.4 2.4| 6.8 -4.3 2.5 1.0 0.18| 4.2 0.8 3000 249 8 203 3| 0.8 1.1 1.9| 6.8 -5.4 1.4 0.5 0.08| 3.9 0.3 4000 249 7 190 2| 0.6 1.1 1.7| 7.6 -5.4 2.2 0.6 0.12| 3.3 0.4 5000 244 7 186 3| 0.5 1.4 1.9| 12.4 -5.6 6.8 1.4 0.20| 3.4 0.7 6000 239 8 192 4| 0.9 1.4 2.2| 25.2 -7.7 17.5 2.9 0.25| 3.7 0.9 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250417.12.gif