UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 24 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 42 SFC 984 181 35.0 21.0 44 14.0 24.7 240 4 309.6 312.6 298.4 358.6 16.11 2 925 746 29.6 18.6 52 11.0 21.7 230 12 309.6 312.4 297.5 354.4 14.74 3 850 1493 22.4 17.7 75 4.7 19.1 225 10 309.6 312.5 297.8 355.8 15.16 4 834 1658 20.8 17.2 80 3.6 18.2 238 9 309.6 312.4 297.7 355.2 14.97 5 702 3126 10.0 9.7 98 0.3 9.8 337 1 313.3 315.4 295.9 346.8 10.84 6 700 3150 10.2 9.0 92 1.2 9.5 330 1 313.8 315.8 295.7 345.9 10.36 7 652 3739 7.8 3.5 74 4.3 5.3 2 4 317.5 319.0 294.7 341.5 7.57 8 593 4515 2.6 -0.9 78 3.5 0.7 28 5 320.2 321.4 294.3 339.7 6.05 9 566 4891 0.0 -4.1 74 4.1 -2.1 15 5 321.4 322.4 293.7 337.7 4.99 10 500 5880 -3.5 -25.5 16 22.0 -10.2 360 6 328.8 329.0 292.3 332.2 0.96 11 498 5912 -3.7 -28.7 12 25.0 -10.7 359 6 328.9 329.0 292.1 331.5 0.72 12 485 6120 -5.3 -18.3 35 13.0 -10.0 350 5 329.4 329.8 293.3 335.9 1.86 13 472 6333 -6.3 -30.3 13 24.0 -12.6 353 5 330.8 330.9 292.6 333.2 0.65 14 445 6792 -9.1 -23.1 31 14.0 -13.5 359 6 332.9 333.1 293.7 337.7 1.34 15 434 6985 -9.9 -37.9 8 28.0 -15.8 2 7 334.2 334.3 293.2 335.5 0.34 16 400 7610 -14.3 -35.3 15 21.0 -18.7 10 8 336.4 336.5 293.9 338.2 0.47 17 378 8034 -17.7 -33.7 23 16.0 -21.1 354 8 337.4 337.5 294.2 339.6 0.59 18 358 8438 -20.5 -40.5 15 20.0 -23.8 338 8 338.9 339.0 294.4 340.2 0.31 19 300 9720 -28.7 -54.7 6 26.0 -31.0 295 9 344.9 344.9 295.6 345.3 0.08 20 294 9865 -29.3 -58.3 4 29.0 -31.6 295 9 346.1 346.1 295.8 346.3 0.05 21 268 10519 -34.9 -56.9 9 22.0 -36.4 295 11 347.2 347.2 296.1 347.5 0.06 22 253 10918 -38.5 -47.5 38 9.0 -39.2 288 13 347.6 347.7 296.3 348.5 0.21 23 250 11000 -39.1 -50.1 30 11.0 -39.9 285 14 347.9 348.0 296.3 348.6 0.16 24 249 11028 -39.3 -53.3 21 14.0 -40.2 285 14 348.0 348.1 296.3 348.5 0.11 25 225 11714 -45.1 -55.1 32 10.0 -45.6 273 13 349.4 349.4 296.6 349.8 0.10 26 221 11834 -46.1 -54.1 40 8.0 -46.5 271 13 349.6 349.7 296.7 350.1 0.11 27 219 11894 -46.7 -49.9 70 3.2 -46.9 270 13 349.6 349.7 296.7 350.4 0.18 28 211 12140 -48.9 -52.3 68 3.4 -49.1 266 13 349.9 350.0 296.7 350.5 0.14 29 209 12203 -49.3 -61.3 23 12.0 -49.7 265 13 350.3 350.3 296.7 350.5 0.05 30 200 12490 -51.9 -55.3 67 3.4 -52.0 260 10 350.6 350.6 296.8 351.0 0.11 31 197 12587 -52.7 -57.7 55 5.0 -52.9 261 10 350.8 350.8 296.9 351.2 0.08 32 192 12752 -54.1 -57.2 69 3.1 -54.2 263 9 351.2 351.2 297.0 351.5 0.09 33 189 12853 -54.7 -60.7 47 6.0 -54.9 264 8 351.8 351.8 297.1 352.0 0.06 34 187 12920 -55.3 -57.8 74 2.5 -55.4 265 8 351.9 351.9 297.1 352.3 0.08 35 171 13484 -58.9 -73.9 13 15.0 -59.1 272 5 355.0 355.0 297.7 355.1 0.01 36 150 14290 -66.1 -75.1 27 9.0 -66.2 195 5 356.2 356.2 298.0 356.3 0.01 37 140 14704 -69.5 -77.5 30 8.0 -69.5 172 5 357.3 357.3 298.2 357.4 0.01 38 132 15053 -71.7 -76.3 50 4.6 -71.7 152 5 359.5 359.5 298.6 359.5 0.01 39 110 16115 -76.3 -84.3 27 8.0 -76.3 76 14 370.1 370.1 300.6 370.1 0.00 40 100 16660 -78.7 -86.7 26 8.0 -78.7 70 21 375.7 375.7 301.5 375.7 0.00 41 94 17011 -81.1 -87.1 36 6.0 -81.1 90 22 377.7 377.7 301.9 377.7 0.00 42 82 17781 -81.9 -88.9 29 7.0 -81.9 120 19 391.1 391.1 303.9 391.1 0.00 43 70 18680 -77.3 -90.3 11 13.0 -77.3 105 5 419.0 419.0 307.6 419.0 0.00 44 69 18763 -76.7 -89.7 11 13.0 -76.7 93 5 422.0 422.0 307.9 422.0 0.00 45 65 19105 -77.9 -90.9 10 13.0 -77.9 44 5 426.7 426.7 308.4 426.7 0.00 46 58 19766 -72.1 -91.1 4 19.0 -72.2 310 4 453.9 453.9 311.2 453.9 0.00 47 52 20408 -73.1 -92.1 4 19.0 -73.2 348 3 466.0 466.0 312.3 466.0 0.00 48 50 20640 -68.5 -91.5 2 23.0 -68.7 5 3 482.1 482.1 313.6 482.1 0.00 TRP 94 17011 -81.1 -87.1 36 6.0 -81.1 90 22 377.7 377.7 301.9 377.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5838.00 m Freezing level: 566.00 mb = 4891.28 m = 16047.31 ft Wetbulb zero: 586.06 mb = 4610.35 m = 15125.64 ft Precipitable water: 2.09 inches Sfc-500 mean rel hum: 70.32 % Est. max temperature: 35.04 C = 95.07 F Sfc-Lift cond lev (LCL): 804.90 mb = 1961.03 m = 6433.73 ft T: 18.57 C 700-500 lapse rate: 5.02 C/km ThetaE index: 24.23 C Layer 834.0- 485.0 mb Conv cond level (CCL): 776.25 mb = 2269.71 m = 7446.48 ft Mean mixing ratio: 15.18 g/kg Conv temperature: 36.61 C = 97.90 F Cap Strength: 1.05 C Lifted Index: -2.52 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.41 C Lifted Index @700 mb: -1.95 C Showalter Index: -2.52 C Risk: Severe thunderstorms possible Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 21.20 C K Index: 42.40 Risk: > 80 % chance of thunderstorms Sweat Index: 238.40 Risk: None Energy Index: -4.50 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1273.28 J/kg Max Up Vert Vel: 50.46 m/s Conv Inhibition (B-): 13.61 J/kg Cap Strength: 1.05 C Lift Cond Lev (LCL): 794.14 mb = 2075.58 m = 6809.57 ft Lev Free Conv (LFC): 759.14 mb = 2459.53 m = 8069.23 ft Equ Level (EL): 159.14 mb = 13926.15 m = 45688.90 ft B at Equ Level: 1272.13 J/kg Max Parcel Lev (MPL): 79.14 mb = 17982.09 m = 58995.64 ft Wind level data Storm motion: 329 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 ---------------------------------------------------------- 0 984 181 240 4 3.5 2.0 | 190 6 1.0 6.0 1 939 610 230 13 10.0 8.4 | 211 14 7.5 12.3 2 925 746 230 12 9.2 7.7 | 210 14 6.8 11.7 3 908 914 225 12 8.5 8.5 | 206 14 6.1 12.5 4 850 1493 225 10 7.1 7.1 | 203 12 4.7 11.1 5 847 1524 225 10 7.1 7.1 | 203 12 4.7 11.1 6 789 2134 285 5 4.8 -1.3 | 222 4 2.4 2.7 7 708 3048 0 0 -0.0 -0.0 | 149 5 -2.4 4.0 8 700 3150 330 1 0.5 -0.9 | 148 4 -1.9 3.1 9 658 3658 360 4 -0.0 -4.0 | 90 2 -2.4 -0.0 10 587 4572 30 5 -2.5 -4.3 | 86 5 -4.9 -0.3 11 566 4877 15 5 -1.3 -4.8 | 77 4 -3.7 -0.8 12 525 5486 15 11 -2.8 -10.6 | 38 8 -5.3 -6.6 13 500 5880 360 6 -0.0 -6.0 | 50 3 -2.4 -2.0 14 486 6096 350 5 0.9 -4.9 | 59 2 -1.5 -0.9 15 400 7610 10 8 -1.4 -7.9 | 44 5 -3.8 -3.9 16 399 7620 10 8 -1.4 -7.9 | 44 5 -3.8 -3.9 17 325 9144 310 8 6.1 -5.1 | 287 4 3.7 -1.1 18 300 9720 295 9 8.2 -3.8 | 268 6 5.7 0.2 19 262 10668 295 11 10.0 -4.6 | 275 8 7.6 -0.7 20 250 11000 285 14 13.5 -3.6 | 268 11 11.1 0.4 21 209 12192 265 13 13.0 1.1 | 244 12 10.5 5.1 22 200 12490 260 10 9.8 1.7 | 232 9 7.4 5.7 23 164 13716 275 4 4.0 -0.3 | 203 4 1.6 3.6 24 150 14290 195 5 1.3 4.8 | 173 9 -1.1 8.8 25 127 15240 140 5 -3.2 3.8 | 144 10 -5.6 7.8 26 103 16459 50 18 -13.8 -11.6 | 65 18 -16.2 -7.6 27 100 16660 70 21 -19.7 -7.2 | 82 22 -22.2 -3.2 28 94 17011 90 22 -22.0 0.0 | 99 25 -24.4 4.0 29 75 18288 140 17 -10.9 13.0 | 142 22 -13.3 17.0 30 70 18680 105 5 -4.8 1.3 | 126 9 -7.2 5.3 31 58 19812 305 4 3.3 -2.3 | 207 2 0.9 1.7 32 50 20640 5 3 -0.3 -3.0 | 111 3 -2.7 1.0 33 43 21336 110 10 -9.4 3.4 | 122 14 -11.8 7.4 34 32 22860 50 2 -1.5 -1.3 | 124 5 -4.0 2.7 Wind Parameters Mean winds (0-6000m): 298.8 at 6.2 knts Storm direction: 328.8 at 4.7 knts Shear (0-3000m) pos: 2.0 neg: 1.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): -42.1 deg Storm rel helicity (0-3000m) pos: 15.8 neg: -8.9 tot: 6.9 m^2/s^2 ave: 2.3 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 0.3 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 124.68 Bulk Shear: 10.21 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 ------------------------------------------------------------------------------- 500 232 9 206 11| 0.0 8.8 8.8| 7.1 -0.4 6.7 13.5 0.35| 8.9 3.1 1000 229 10 207 12| 0.0 3.7 3.7| 7.1 -5.7 1.4 1.4 0.14| 5.6 0.8 1500 228 10 206 12| 1.2 2.5 3.7| 12.1 -6.9 5.1 3.4 0.20| 5.0 1.0 2000 232 9 207 11| 2.6 1.9 4.4| 15.6 -7.2 8.4 4.2 0.20| 5.6 1.1 2500 237 8 208 10| 2.4 1.5 3.9| 15.6 -8.7 6.8 2.7 0.06| 5.2 0.3 3000 237 7 204 8| 2.0 1.2 3.2| 15.8 -8.9 6.9 2.3 0.06| 4.8 0.3 4000 247 6 206 7| 2.0 0.9 2.9| 15.8 -10.6 5.2 1.3 -0.03| 4.2 -0.1 5000 264 6 217 6| 1.6 0.5 2.2| 15.9 -14.0 1.9 0.4 -0.10| 3.9 -0.4 6000 299 6 252 3| 1.4 0.8 2.1| 17.2 -16.9 0.3 0.0 -0.09| 4.1 -0.4 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250424.12.gif