UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 19 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 76 SFC 988 181 26.0 23.3 85 2.7 24.0 0 0 300.2 303.6 297.6 354.6 18.53 2 978 271 26.8 21.8 74 5.0 23.2 332 1 301.9 305.0 297.1 352.2 17.05 3 925 764 25.0 19.0 69 6.0 20.8 230 6 304.9 307.7 296.6 350.0 15.12 4 888 1123 23.6 16.6 65 7.0 18.8 207 5 307.0 309.5 296.1 347.7 13.50 5 850 1504 20.6 15.8 74 4.8 17.3 155 6 307.7 310.2 296.3 348.2 13.40 6 755 2519 14.0 11.1 83 2.9 12.1 201 10 311.2 313.3 295.6 345.1 11.07 7 733 2769 13.2 5.2 58 8.0 8.5 205 11 313.0 314.4 293.4 336.6 7.59 8 700 3156 10.2 5.5 73 4.7 7.4 210 11 313.8 315.3 294.1 339.1 8.12 9 691 3264 9.6 3.6 66 6.0 6.1 208 11 314.3 315.7 293.5 336.8 7.19 10 682 3373 8.4 6.8 90 1.6 7.4 206 11 314.1 315.9 294.9 342.5 9.13 11 654 3719 6.8 2.4 73 4.4 4.3 201 10 316.1 317.4 293.9 338.1 6.98 12 630 4026 6.2 2.3 76 3.9 3.9 204 10 318.8 320.2 294.7 341.7 7.19 13 544 5212 -2.7 -2.8 99 0.1 -2.7 202 12 321.9 323.0 294.4 340.5 5.73 14 500 5880 -4.9 -8.5 76 3.6 -6.5 210 14 327.1 327.9 294.4 340.6 4.03 15 428 7085 -11.1 -19.1 52 8.0 -13.9 213 14 334.0 334.4 294.6 341.0 1.97 16 418 7266 -12.5 -20.5 51 8.0 -15.1 214 13 334.5 334.9 294.6 340.9 1.79 17 406 7487 -14.3 -18.0 73 3.7 -15.6 215 13 335.0 335.4 295.0 343.0 2.29 18 400 7600 -14.5 -20.5 60 6.0 -16.4 215 13 336.1 336.5 295.0 342.8 1.87 19 376 8066 -16.9 -28.9 35 12.0 -19.9 226 12 339.0 339.2 294.9 342.5 0.93 20 363 8329 -19.1 -23.2 70 4.1 -20.3 233 11 339.5 339.8 295.6 345.4 1.63 21 358 8432 -19.3 -26.3 54 7.0 -21.1 236 11 340.5 340.8 295.6 345.2 1.25 22 344 8727 -21.5 -26.5 64 5.0 -22.8 244 10 341.5 341.7 295.8 346.2 1.27 23 340 8813 -21.7 -32.7 36 11.0 -24.0 246 9 342.3 342.5 295.6 345.1 0.72 24 337 8878 -22.5 -30.5 48 8.0 -24.3 248 9 342.1 342.3 295.6 345.5 0.90 25 333 8966 -22.9 -37.9 24 15.0 -25.5 250 9 342.7 342.8 295.4 344.5 0.44 26 319 9278 -25.9 -29.8 70 3.9 -26.8 255 8 342.8 343.0 295.9 346.6 1.01 27 312 9438 -27.1 -31.8 64 4.7 -28.0 255 8 343.3 343.5 295.8 346.6 0.85 28 308 9531 -27.5 -41.5 25 14.0 -29.5 255 9 344.0 344.1 295.6 345.3 0.33 29 304 9625 -28.3 -33.3 62 5.0 -29.2 255 9 344.2 344.3 296.0 347.1 0.76 30 300 9720 -28.7 -35.7 51 7.0 -29.9 255 9 344.9 345.1 296.0 347.3 0.61 31 278 10262 -33.7 -37.6 68 3.9 -34.3 261 7 345.3 345.4 296.1 347.4 0.54 32 250 11000 -39.7 -44.5 60 4.8 -40.1 255 6 347.0 347.1 296.3 348.2 0.29 33 245 11137 -41.1 -45.1 65 4.0 -41.5 257 6 347.0 347.0 296.2 348.1 0.28 34 221 11827 -46.3 -53.3 45 7.0 -46.7 265 7 349.3 349.4 296.6 349.8 0.12 35 200 12480 -51.9 -55.5 65 3.6 -52.0 270 10 350.6 350.6 296.8 351.0 0.10 36 175 13332 -59.3 -62.2 69 2.9 -59.3 246 10 352.0 352.1 297.1 352.3 0.05 37 166 13660 -62.5 -68.5 44 6.0 -62.6 237 10 352.1 352.1 297.1 352.2 0.02 38 150 14280 -66.7 -71.4 51 4.7 -66.7 185 10 355.2 355.2 297.7 355.3 0.02 39 136 14865 -71.1 -77.1 41 6.0 -71.1 200 9 357.5 357.5 298.2 357.5 0.01 40 110 16093 -79.5 -82.8 58 3.3 -79.5 121 4 364.1 364.1 299.5 364.1 0.00 41 106 16302 -80.9 -84.9 51 4.0 -80.9 98 3 365.3 365.3 299.7 365.3 0.00 42 100 16630 -80.9 -85.9 43 5.0 -80.9 50 18 371.4 371.4 300.8 371.4 0.00 43 92 17099 -82.7 -87.2 46 4.5 -82.7 65 15 376.8 376.8 301.7 376.8 0.00 44 79 17958 -80.1 -88.1 25 8.0 -80.1 83 9 399.0 399.0 305.0 399.0 0.00 45 70 18640 -82.7 -88.7 35 6.0 -82.7 55 9 407.5 407.5 306.2 407.5 0.00 46 66 18967 -83.5 -90.5 28 7.0 -83.5 90 7 412.6 412.6 306.8 412.6 0.00 47 59 19603 -75.7 -90.7 8 15.0 -75.7 156 4 443.6 443.6 310.3 443.6 0.00 48 56 19910 -68.9 -90.9 3 22.0 -69.1 149 4 465.8 465.8 312.3 465.8 0.00 49 53 20240 -67.7 -90.7 2 23.0 -67.9 82 6 476.0 476.0 313.1 476.0 0.00 50 50 20590 -68.7 -89.7 3 21.0 -68.9 10 9 481.6 481.6 313.6 481.6 0.00 51 49 20711 -68.9 -89.9 3 21.0 -69.1 18 8 483.9 483.9 313.8 483.9 0.00 52 46 21093 -64.1 -89.1 2 25.0 -64.5 45 7 504.3 504.3 315.2 504.3 0.00 53 32 23359 -55.9 -85.9 1 30.0 -57.3 108 12 581.4 581.4 319.8 581.5 0.01 54 30 23770 -55.1 -86.1 1 31.0 -56.7 115 13 594.4 594.4 320.3 594.5 0.01 55 25 24934 -55.3 -86.3 1 31.0 -57.1 116 16 625.7 625.7 321.7 625.7 0.01 TRP 92 17099 -82.7 -87.2 46 4.5 -82.7 65 15 376.8 376.8 301.7 376.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 570.09 mb = 4852.51 m = 15920.10 ft Wetbulb zero: 579.20 mb = 4705.62 m = 15438.18 ft Precipitable water: 2.14 inches Sfc-500 mean rel hum: 78.32 % Est. max temperature: 33.93 C = 93.08 F Sfc-Lift cond lev (LCL): 950.36 mb = 524.75 m = 1721.61 ft T: 25.87 C 700-500 lapse rate: 5.54 C/km ThetaE index: 11.64 C Layer 755.0- 700.0 mb Conv cond level (CCL): 798.79 mb = 2036.30 m = 6680.68 ft Mean mixing ratio: 15.57 g/kg Conv temperature: 35.34 C = 95.61 F Cap Strength: 3.22 C Lifted Index: -2.14 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.59 C Lifted Index @700 mb: -0.54 C Showalter Index: -1.29 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 20.70 C K Index: 36.60 Risk: > 80 % chance of thunderstorms Sweat Index: 215.60 Risk: None Energy Index: -1.53 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 482.54 J/kg Max Up Vert Vel: 31.07 m/s Conv Inhibition (B-): 121.17 J/kg Cap Strength: 3.22 C Lift Cond Lev (LCL): 862.56 mb = 1376.10 m = 4514.69 ft Lev Free Conv (LFC): 707.56 mb = 3065.79 m = 10058.26 ft Equ Level (EL): 207.56 mb = 12237.38 m = 40148.39 ft B at Equ Level: 479.18 J/kg Max Parcel Lev (MPL): 117.56 mb = 15708.44 m = 51536.26 ft Wind level data Storm motion: 233 at 7 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 ---------------------------------------------------------- 0 988 181 0 0 -0.0 -0.0 | 53 7 -5.6 -4.2 1 941 610 225 7 4.9 4.9 | 139 1 -0.7 0.8 2 925 764 230 6 4.6 3.9 | 72 1 -1.0 -0.3 3 909 914 235 4 3.3 2.3 | 51 3 -2.3 -1.9 4 850 1504 155 6 -2.5 5.4 | 99 8 -8.1 1.2 5 848 1524 155 6 -2.5 5.4 | 99 8 -8.1 1.2 6 789 2134 195 10 2.6 9.7 | 151 6 -3.0 5.5 7 709 3048 210 11 5.5 9.5 | 179 5 -0.1 5.3 8 700 3156 210 11 5.5 9.5 | 179 5 -0.1 5.3 9 658 3658 200 10 3.4 9.4 | 157 6 -2.2 5.2 10 588 4572 210 9 4.5 7.8 | 163 4 -1.1 3.6 11 566 4877 210 11 5.5 9.5 | 179 5 -0.1 5.3 12 525 5486 195 12 3.1 11.6 | 161 8 -2.5 7.4 13 500 5880 210 14 7.0 12.1 | 190 8 1.4 7.9 14 486 6096 210 15 7.5 13.0 | 192 9 1.9 8.8 15 400 7600 215 13 7.5 10.6 | 196 7 1.8 6.5 16 399 7620 215 14 8.0 11.5 | 198 8 2.4 7.3 17 324 9144 255 8 7.7 2.1 | 315 3 2.1 -2.1 18 300 9720 255 9 8.7 2.3 | 301 4 3.1 -1.9 19 262 10668 265 5 5.0 0.4 | 10 4 -0.6 -3.8 20 250 11000 255 6 5.8 1.6 | 356 3 0.2 -2.6 21 209 12192 270 7 7.0 -0.0 | 342 4 1.4 -4.2 22 200 12480 270 10 10.0 -0.0 | 314 6 4.4 -4.2 23 164 13716 235 10 8.2 5.7 | 239 3 2.6 1.5 24 150 14280 185 10 0.9 10.0 | 141 7 -4.7 5.8 25 127 15240 210 8 4.0 6.9 | 150 3 -1.6 2.7 26 103 16459 80 2 -2.0 -0.3 | 59 9 -7.6 -4.5 27 100 16630 50 18 -13.8 -11.6 | 51 25 -19.4 -15.8 28 92 17099 65 15 -13.6 -6.3 | 61 22 -19.2 -10.5 29 75 18288 90 7 -7.0 0.0 | 72 13 -12.6 -4.2 30 70 18640 55 9 -7.4 -5.2 | 54 16 -13.0 -9.4 31 57 19812 175 3 -0.3 3.0 | 78 6 -5.9 -1.2 32 50 20590 10 9 -1.6 -8.9 | 29 15 -7.2 -13.1 33 44 21336 60 6 -5.2 -3.0 | 56 13 -10.8 -7.2 34 35 22860 100 11 -10.8 1.9 | 82 17 -16.4 -2.3 35 30 23770 115 13 -11.8 5.5 | 94 17 -17.4 1.3 36 26 24384 120 14 -12.1 7.0 | 99 18 -17.7 2.8 37 22 24994 100 23 -22.7 4.0 | 90 28 -28.3 -0.2 Wind Parameters Mean winds (0-6000m): 203.2 at 9.3 knts Storm direction: 233.2 at 7.0 knts Shear (0-3000m) pos: 1.3 neg: 1.2 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 124.4 deg Storm rel helicity (0-3000m) pos: 19.4 neg: -8.9 tot: 10.5 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 1.3 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 106.39 Bulk Shear: 4.54 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 ------------------------------------------------------------------------------- 500 225 4 63 3| 0.0 6.7 6.7| 0.4 -7.8 -7.4 -14.9 -0.25| 11.2 -2.8 1000 224 4 68 3| 0.0 2.5 2.5| 2.3 -8.2 -5.9 -5.9 -0.10| 8.2 -0.8 1500 202 5 95 4| 0.0 2.4 2.4| 5.8 -8.7 -2.9 -2.0 0.00| 7.4 0.0 2000 195 6 110 4| 1.4 1.8 3.2| 15.4 -8.7 6.7 3.3 0.19| 6.9 1.3 2500 197 7 122 4| 1.4 1.4 2.8| 17.7 -8.7 9.0 3.6 0.24| 5.9 1.4 3000 200 7 133 4| 1.3 1.2 2.5| 19.4 -8.9 10.5 3.5 0.26| 5.1 1.3 4000 201 8 142 4| 1.0 1.0 2.0| 19.8 -11.7 8.1 2.0 0.19| 4.2 0.8 5000 203 9 148 4| 0.9 1.0 1.9| 21.4 -13.2 8.2 1.6 0.18| 3.8 0.7 6000 203 9 156 5| 1.0 0.9 1.9| 30.4 -15.1 15.3 2.6 0.23| 3.7 0.8 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250419.00.gif