UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 30 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 51 SFC 985 181 34.0 22.0 50 12.0 25.1 0 0 308.5 311.7 298.8 360.4 17.14 2 925 753 28.8 19.8 58 9.0 22.3 115 9 308.8 311.7 298.1 357.0 15.91 3 850 1498 21.8 16.8 73 5.0 18.3 145 14 309.0 311.7 297.1 352.4 14.31 4 807 1946 17.6 16.1 91 1.5 16.5 138 15 309.1 311.9 297.3 352.9 14.41 5 784 2193 15.8 12.6 81 3.2 13.7 137 16 309.8 312.0 295.7 345.7 11.78 6 774 2303 16.0 4.0 45 12.0 9.0 140 15 311.1 312.4 292.2 331.6 6.60 7 768 2369 15.6 3.6 45 12.0 8.7 142 14 311.4 312.6 292.1 331.5 6.46 8 751 2559 14.0 9.0 72 5.0 10.9 149 12 311.7 313.5 294.6 341.3 9.64 9 700 3151 10.8 2.8 58 8.0 6.2 175 9 314.4 315.7 293.2 335.5 6.70 10 687 3307 10.2 -0.8 46 11.0 4.3 184 11 315.5 316.5 292.3 332.2 5.26 11 647 3802 6.6 2.9 77 3.7 4.5 204 13 316.8 318.3 294.3 340.0 7.31 12 638 3917 7.4 -16.6 16 24.0 -1.9 204 12 319.0 319.3 290.2 324.6 1.63 13 633 3982 7.0 -19.0 14 26.0 -2.6 203 12 319.3 319.6 289.9 323.9 1.34 14 578 4722 2.8 -20.2 17 23.0 -5.3 204 8 322.8 323.1 291.0 327.4 1.33 15 569 4849 1.8 -7.2 51 9.0 -2.5 209 8 323.1 323.8 293.3 336.0 3.92 16 549 5136 0.0 -14.0 34 14.0 -5.7 222 8 324.3 324.7 292.3 332.3 2.36 17 538 5298 -0.5 -20.5 20 20.0 -7.4 230 8 325.5 325.8 291.8 330.4 1.39 18 536 5328 -0.7 -11.7 43 11.0 -5.4 232 8 325.6 326.2 293.2 335.5 2.91 19 500 5880 -3.7 -23.7 20 20.0 -10.1 235 11 328.5 328.8 292.4 332.6 1.13 20 498 5912 -3.9 -27.9 14 24.0 -10.8 234 11 328.7 328.8 292.1 331.5 0.77 21 492 6008 -4.3 -18.3 33 14.0 -9.4 232 12 329.3 329.7 293.3 335.7 1.84 22 475 6285 -5.3 -23.3 23 18.0 -11.1 235 13 331.4 331.7 293.3 335.8 1.23 23 408 7468 -11.3 -36.3 11 25.0 -16.8 266 20 338.4 338.5 294.3 340.0 0.42 24 400 7620 -12.5 -30.5 21 18.0 -17.1 270 21 338.7 338.9 294.7 341.6 0.75 25 384 7931 -14.3 -28.3 29 14.0 -18.0 241 25 340.4 340.6 295.3 344.0 0.97 26 379 8030 -14.9 -31.9 22 17.0 -19.0 232 26 340.8 341.0 295.1 343.5 0.70 27 358 8458 -18.7 -34.7 23 16.0 -22.0 192 30 341.3 341.5 295.1 343.5 0.56 28 351 8605 -19.5 -42.5 11 23.0 -23.2 178 31 342.2 342.3 295.1 343.2 0.26 29 348 8668 -20.1 -28.1 49 8.0 -22.1 172 31 342.2 342.5 295.8 346.3 1.09 30 334 8971 -22.3 -34.3 33 12.0 -24.7 143 34 343.3 343.4 295.7 345.7 0.63 31 300 9750 -28.7 -39.7 34 11.0 -30.3 175 18 344.9 345.0 295.8 346.5 0.40 32 282 10187 -31.9 -46.9 21 15.0 -33.5 168 46 346.5 346.5 296.0 347.3 0.20 33 273 10414 -33.8 -47.8 23 13.9 -35.2 165 60 346.9 347.0 296.1 347.7 0.19 34 250 11020 -39.1 -50.1 30 11.0 -39.9 170 55 347.9 348.0 296.3 348.6 0.16 35 240 11299 -41.3 -53.3 26 12.0 -42.1 185 47 348.7 348.7 296.4 349.2 0.11 36 227 11674 -44.7 -48.7 64 4.0 -45.0 206 36 349.1 349.2 296.6 349.9 0.20 37 220 11883 -46.3 -50.2 64 3.9 -46.5 217 30 349.8 349.8 296.7 350.5 0.18 38 213 12098 -47.7 -56.7 35 9.0 -48.1 229 24 350.9 350.9 296.9 351.2 0.08 39 203 12413 -50.9 -55.1 61 4.2 -51.1 242 22 350.7 350.7 296.9 351.1 0.11 40 200 12510 -51.5 -56.5 55 5.0 -51.7 245 22 351.2 351.2 297.0 351.6 0.09 41 197 12608 -52.3 -61.3 33 9.0 -52.5 245 22 351.5 351.5 297.0 351.7 0.05 42 187 12942 -55.3 -58.6 67 3.3 -55.4 247 21 351.9 351.9 297.1 352.2 0.08 43 183 13080 -56.7 -62.7 47 6.0 -56.8 247 21 351.8 351.8 297.1 352.0 0.05 44 172 13469 -60.3 -63.9 63 3.6 -60.4 249 20 352.1 352.1 297.1 352.3 0.04 45 155 14111 -65.1 -69.4 55 4.3 -65.1 217 20 354.6 354.6 297.6 354.7 0.02 46 150 14310 -66.1 -75.1 27 9.0 -66.2 200 20 356.2 356.2 298.0 356.3 0.01 47 149 14350 -66.5 -77.5 20 11.0 -66.6 200 20 356.2 356.2 298.0 356.2 0.01 48 141 14683 -68.7 -79.7 19 11.0 -68.8 202 22 358.0 358.0 298.3 358.0 0.00 49 128 15254 -73.7 -78.7 46 5.0 -73.7 205 24 359.1 359.1 298.5 359.1 0.01 50 113 15972 -79.3 -85.3 37 6.0 -79.3 243 15 361.6 361.6 299.0 361.7 0.00 51 100 16660 -82.3 -88.3 35 6.0 -82.3 340 19 368.7 368.7 300.4 368.7 0.00 52 89 17308 -84.7 -89.1 45 4.4 -84.7 55 16 376.4 376.4 301.6 376.4 0.00 53 73 18428 -76.3 -88.3 13 12.0 -76.3 72 15 416.1 416.1 307.3 416.1 0.00 54 70 18670 -77.1 -90.1 11 13.0 -77.1 125 8 419.4 419.4 307.6 419.4 0.00 55 67 18922 -77.7 -89.7 13 12.0 -77.7 132 11 423.4 423.4 308.1 423.4 0.00 56 60 19556 -77.5 -91.5 9 14.0 -77.6 149 20 437.5 437.5 309.6 437.5 0.00 57 50 20630 -67.9 -90.9 2 23.0 -68.1 275 32 483.5 483.5 313.7 483.5 0.00 58 47 21005 -65.1 -90.1 2 25.0 -65.4 290 33 498.8 498.8 314.9 498.8 0.00 TRP 89 17308 -84.7 -89.1 45 4.4 -84.7 55 16 376.4 376.4 301.6 376.4 0.00 WND 273 10414 -33.8 -47.8 23 13.9 -35.2 165 60 346.9 347.0 296.1 347.7 0.19 Sounding variables and indices 1000-500 mb thick: 5829.00 m Freezing level: 549.00 mb = 5136.32 m = 16851.23 ft Wetbulb zero: 640.70 mb = 3882.25 m = 12736.89 ft Precipitable water: 1.79 inches Sfc-500 mean rel hum: 50.79 % Est. max temperature: 34.56 C = 94.21 F Sfc-Lift cond lev (LCL): 829.07 mb = 1713.31 m = 5621.03 ft T: 19.78 C 700-500 lapse rate: 5.31 C/km ThetaE index: 21.47 C Layer 784.0- 751.0 mb Conv cond level (CCL): 809.69 mb = 1917.64 m = 6291.39 ft Mean mixing ratio: 16.09 g/kg Conv temperature: 34.65 C = 94.37 F Cap Strength: 0.39 C Lifted Index: -3.31 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.29 C Lifted Index @700 mb: -1.76 C Showalter Index: -1.61 C Risk: Thunderstorms probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 20.50 C K Index: 34.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 240.60 Risk: None Energy Index: -3.80 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1427.27 J/kg Max Up Vert Vel: 53.43 m/s Conv Inhibition (B-): 8.34 J/kg Cap Strength: 0.39 C Lift Cond Lev (LCL): 814.85 mb = 1862.76 m = 6111.33 ft Lev Free Conv (LFC): 799.85 mb = 2022.42 m = 6635.17 ft Equ Level (EL): 139.85 mb = 14730.95 m = 48329.30 ft B at Equ Level: 1423.46 J/kg Max Parcel Lev (MPL): 69.85 mb = 18682.38 m = 61293.16 ft Wind level data Storm motion: 205 at 8 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 ---------------------------------------------------------- 0 985 181 0 0 -0.0 -0.0 | 25 8 -3.3 -7.2 1 940 610 110 9 -8.5 3.1 | 71 13 -11.8 -4.1 2 925 753 115 9 -8.2 3.8 | 73 12 -11.5 -3.4 3 908 914 130 10 -7.7 6.4 | 86 11 -11.0 -0.8 4 850 1498 145 14 -8.0 11.5 | 110 12 -11.4 4.2 5 847 1524 145 14 -8.0 11.5 | 110 12 -11.4 4.2 6 789 2134 135 16 -11.3 11.3 | 106 15 -14.7 4.1 7 709 3048 165 8 -2.1 7.7 | 95 5 -5.4 0.5 8 700 3151 175 9 -0.8 9.0 | 113 4 -4.1 1.7 9 658 3658 205 14 5.9 12.7 | 205 6 2.6 5.5 10 588 4572 200 8 2.7 7.5 | 116 1 -0.6 0.3 11 566 4877 210 8 4.0 6.9 | 294 1 0.7 -0.3 12 525 5486 240 8 6.9 4.0 | 312 5 3.6 -3.2 13 500 5880 235 11 9.0 6.3 | 279 6 5.7 -0.9 14 486 6096 230 12 9.2 7.7 | 265 6 5.9 0.5 15 400 7620 270 21 21.0 -0.0 | 292 19 17.7 -7.2 16 400 7620 270 22 22.0 -0.0 | 291 20 18.7 -7.2 17 326 9144 125 36 -29.5 20.6 | 112 35 -32.8 13.4 18 300 9750 175 18 -1.6 17.9 | 155 12 -4.9 10.7 19 273 10414 165 60 -15.5 58.0 | 160 54 -18.9 50.7 20 263 10668 165 59 -15.3 57.0 | 159 53 -18.6 49.8 21 250 11020 170 55 -9.6 54.2 | 165 49 -12.9 46.9 22 210 12192 235 21 17.2 12.0 | 251 15 13.9 4.8 23 200 12510 245 22 19.9 9.3 | 263 17 16.6 2.1 24 165 13716 250 19 17.9 6.5 | 273 15 14.5 -0.7 25 150 14310 200 20 6.8 18.8 | 197 12 3.5 11.6 26 128 15240 205 24 10.1 21.8 | 205 16 6.8 14.5 27 104 16459 270 9 9.0 -0.0 | 322 9 5.7 -7.2 28 100 16660 340 19 6.5 -17.9 | 353 25 3.2 -25.1 29 89 17308 55 16 -13.1 -9.2 | 45 23 -16.4 -16.4 30 75 18288 40 19 -12.2 -14.6 | 36 27 -15.6 -21.8 31 70 18670 125 8 -6.6 4.6 | 75 10 -9.9 -2.6 32 58 19812 155 23 -9.7 20.8 | 136 19 -13.1 13.6 33 50 20630 275 32 31.9 -2.8 | 289 30 28.5 -10.0 34 43 21336 310 35 26.8 -22.5 | 322 38 23.5 -29.7 Wind Parameters Mean winds (0-6000m): 174.8 at 10.6 knts Storm direction: 204.8 at 8.0 knts Shear (0-3000m) pos: 1.6 neg: 0.3 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 93.3 deg Storm rel helicity (0-3000m) pos: 60.2 neg: -5.8 tot: 54.4 m^2/s^2 ave: 18.1 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 3.1 10^-3/s Energy-Hel index: 0.50 Bulk Rich Number: 117.25 Bulk Shear: 12.17 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 ------------------------------------------------------------------------------- 500 110 5 56 10| 9.3 0.0 9.3| 32.5 0.0 32.5 64.9 0.77| 13.6 10.4 1000 122 8 72 10| 6.1 0.0 6.1| 47.6 0.0 47.6 47.6 0.82| 9.5 7.8 1500 132 10 86 11| 5.0 0.0 5.0| 56.0 -0.5 55.5 37.0 0.80| 7.5 6.0 2000 134 11 93 11| 3.7 0.5 4.2| 56.2 -3.5 52.7 26.3 0.69| 6.3 4.3 2500 136 12 96 11| 2.2 0.4 2.6| 58.2 -3.8 54.5 21.8 0.57| 6.2 3.6 3000 139 11 97 11| 1.6 0.3 2.0| 60.2 -5.8 54.4 18.1 0.50| 6.2 3.1 4000 155 11 111 9| 1.9 0.6 2.5| 68.6 -6.6 62.1 15.5 0.52| 6.0 3.1 5000 164 11 116 7| 1.3 0.5 1.8| 68.8 -7.1 61.7 12.3 0.45| 5.4 2.4 6000 175 11 128 5| 1.2 0.2 1.4| 69.3 -13.1 56.2 9.4 0.33| 5.1 1.7 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250430.12.gif