UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for VT453... Searching the city database file for: VT453 ... Date:1200Z 26 APR 25 Station: VT453 WMO ident: 48453 Latitude: 13.67 Longitude: 100.61 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1005 18 33.6 22.6 53 11.0 25.4 210 4 306.3 309.6 298.4 358.7 17.43 1 1003 36 32.0 23.0 59 9.0 25.3 208 4 304.9 308.2 298.4 358.4 17.91 2 1000 63 31.8 22.8 59 9.0 25.2 205 5 305.0 308.2 298.3 358.0 17.74 3 966 373 28.6 21.6 66 7.0 23.5 189 9 304.8 307.9 297.8 355.7 17.05 4 925 759 27.0 17.0 54 10.0 20.1 185 11 306.9 309.4 296.0 346.9 13.29 5 850 1501 21.8 14.8 64 7.0 17.0 185 9 309.0 311.3 296.0 347.1 12.55 6 766 2398 16.0 11.0 72 5.0 12.7 136 9 312.1 314.1 295.6 345.4 10.83 7 700 3161 12.4 3.4 54 9.0 7.1 95 11 316.2 317.6 293.9 338.3 7.00 8 694 3233 12.0 1.0 47 11.0 5.8 93 11 316.6 317.7 293.2 335.4 5.94 9 657 3690 8.8 -3.2 43 12.0 2.6 79 14 317.9 318.8 292.4 332.8 4.60 10 602 4408 3.0 -0.2 79 3.2 1.3 52 13 319.3 320.5 294.1 339.4 6.28 11 585 4640 1.6 -5.4 60 7.0 -1.8 46 13 320.3 321.1 292.9 334.5 4.37 12 560 4991 -1.5 -4.8 78 3.3 -3.1 52 14 320.6 321.6 293.4 336.2 4.79 13 540 5281 -2.1 -21.1 22 19.0 -8.4 56 15 323.3 323.5 291.1 327.8 1.31 14 530 5429 -2.7 -15.7 36 13.0 -7.7 59 15 324.3 324.7 292.2 331.5 2.12 15 523 5535 -3.3 -19.3 28 16.0 -8.9 60 15 324.8 325.1 291.8 330.3 1.59 16 500 5890 -5.9 -21.9 27 16.0 -11.0 60 13 325.8 326.1 291.9 330.5 1.32 17 462 6502 -9.5 -30.5 16 21.0 -14.7 60 10 328.8 328.9 292.0 331.2 0.65 18 447 6754 -11.1 -23.1 36 12.0 -14.7 60 8 329.9 330.2 293.0 334.6 1.33 19 445 6789 -10.7 -33.7 13 23.0 -15.9 60 8 330.8 330.9 292.4 332.7 0.50 20 439 6893 -10.5 -34.5 12 24.0 -15.9 60 7 332.4 332.5 292.8 334.1 0.47 21 430 7051 -11.1 -40.1 7 29.0 -16.7 60 6 333.6 333.6 293.0 334.6 0.27 22 408 7450 -13.7 -25.7 36 12.0 -17.0 60 3 335.3 335.5 294.2 339.5 1.16 23 400 7600 -14.5 -34.5 17 20.0 -18.8 60 2 336.1 336.2 293.9 338.1 0.51 24 399 7619 -14.5 -35.5 15 21.0 -18.9 65 3 336.4 336.5 293.9 338.2 0.47 25 363 8332 -17.9 -48.9 5 31.0 -22.2 356 3 341.1 341.1 294.7 341.6 0.12 26 346 8689 -20.7 -54.7 3 34.0 -24.5 321 4 342.0 342.0 294.8 342.3 0.07 27 335 8928 -22.5 -35.5 30 13.0 -24.9 298 4 342.7 342.8 295.5 344.8 0.55 28 300 9730 -28.3 -46.3 16 18.0 -30.4 240 2 345.5 345.5 295.8 346.3 0.20 29 288 10021 -30.1 -51.1 11 21.0 -32.1 251 3 347.0 347.0 296.1 347.5 0.12 30 250 11010 -38.5 -55.5 15 17.0 -39.6 240 4 348.8 348.8 296.4 349.2 0.08 31 231 11547 -43.1 -59.1 16 16.0 -43.8 222 8 349.8 349.8 296.7 350.1 0.06 32 225 11723 -44.3 -65.3 8 21.0 -45.0 216 9 350.6 350.6 296.8 350.7 0.03 33 213 12087 -47.5 -63.5 14 16.0 -48.0 204 11 351.2 351.2 296.9 351.3 0.04 34 208 12244 -48.7 -51.8 70 3.1 -48.8 198 13 351.7 351.7 297.1 352.3 0.15 35 200 12500 -50.7 -54.4 65 3.7 -50.8 185 16 352.5 352.5 297.3 353.0 0.12 36 172 13465 -59.3 -63.5 58 4.2 -59.4 165 19 353.8 353.8 297.5 354.0 0.04 37 152 14229 -65.5 -72.5 37 7.0 -65.5 139 15 355.9 355.9 297.9 356.0 0.01 38 150 14310 -65.9 -71.9 43 6.0 -66.0 135 14 356.6 356.6 298.0 356.6 0.02 39 123 15483 -75.1 -81.1 39 6.0 -75.1 107 13 360.6 360.6 298.8 360.6 0.00 40 100 16660 -81.5 -85.3 52 3.8 -81.5 360 8 370.3 370.3 300.6 370.3 0.00 41 89 17308 -85.3 -89.2 49 3.9 -85.3 45 8 375.2 375.2 301.5 375.2 0.00 42 80 17894 -85.1 -90.1 40 5.0 -85.1 91 13 387.2 387.2 303.4 387.3 0.00 43 75 18255 -79.7 -87.7 25 8.0 -79.7 118 16 405.8 405.8 306.0 405.8 0.00 44 70 18650 -75.5 -88.5 11 13.0 -75.6 155 6 422.9 422.9 308.0 422.9 0.00 45 64 19174 -72.9 -88.9 7 16.0 -73.0 205 5 439.5 439.5 309.8 439.6 0.00 46 62 19361 -73.1 -90.1 6 17.0 -73.2 223 5 443.1 443.1 310.2 443.1 0.00 47 54 20173 -72.9 -90.9 5 18.0 -73.0 261 8 461.4 461.4 311.9 461.4 0.00 48 50 20630 -69.5 -90.5 3 21.0 -69.6 255 12 479.7 479.7 313.4 479.7 0.00 49 47 21000 -69.1 -91.1 3 22.0 -69.3 255 8 489.2 489.2 314.2 489.2 0.00 50 44 21399 -64.1 -90.1 2 26.0 -64.5 246 4 510.8 510.8 315.7 510.8 0.00 51 37 22462 -63.7 -90.7 1 27.0 -64.2 120 8 537.7 537.7 317.4 537.8 0.00 52 35 22803 -63.7 -90.7 1 27.0 -64.2 79 9 546.4 546.4 317.9 546.4 0.00 53 30 23770 -54.7 -86.7 1 32.0 -56.3 180 10 595.5 595.5 320.4 595.6 0.01 54 29 23987 -53.7 -85.7 1 32.0 -55.6 180 10 604.1 604.1 320.8 604.1 0.01 TRP 89 17308 -85.3 -89.2 49 3.9 -85.3 45 8 375.2 375.2 301.5 375.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5827.00 m Freezing level: 572.10 mb = 4820.83 m = 15816.16 ft Wetbulb zero: 595.02 mb = 4502.15 m = 14770.64 ft Precipitable water: 1.91 inches Sfc-500 mean rel hum: 57.46 % Est. max temperature: 36.13 C = 97.04 F Sfc-Lift cond lev (LCL): 858.14 mb = 1417.41 m = 4650.25 ft T: 22.39 C 700-500 lapse rate: 6.71 C/km ThetaE index: 14.34 C Layer 766.0- 602.0 mb Conv cond level (CCL): 776.17 mb = 2283.90 m = 7493.02 ft Mean mixing ratio: 15.62 g/kg Conv temperature: 38.97 C = 102.14 F Cap Strength: 3.29 C Lifted Index: -3.87 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.31 C Lifted Index @700 mb: 1.13 C Showalter Index: -1.88 C Risk: Thunderstorms probable Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 20.70 C K Index: 33.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 208.60 Risk: None Energy Index: -3.14 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 639.13 J/kg Max Up Vert Vel: 35.75 m/s Conv Inhibition (B-): 166.51 J/kg Cap Strength: 3.29 C Lift Cond Lev (LCL): 843.44 mb = 1567.76 m = 5143.52 ft Lev Free Conv (LFC): 658.44 mb = 3672.00 m = 12047.10 ft Equ Level (EL): 198.44 mb = 12550.14 m = 41174.50 ft B at Equ Level: 634.24 J/kg Max Parcel Lev (MPL): 98.44 mb = 16747.41 m = 54944.90 ft Wind level data Storm motion: 125 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 1005 18 210 4 2.0 3.5 | 279 9 8.9 -1.4 1 1000 63 205 5 2.1 4.5 | 272 9 9.0 -0.4 2 973 305 190 8 1.4 7.9 | 250 9 8.3 3.0 3 941 610 185 11 1.0 11.0 | 232 10 7.9 6.1 4 925 759 185 11 1.0 11.0 | 232 10 7.9 6.1 5 909 914 185 10 0.9 10.0 | 237 9 7.8 5.1 6 850 1501 185 9 0.8 9.0 | 242 9 7.7 4.1 7 848 1524 185 9 0.8 9.0 | 242 9 7.7 4.1 8 789 2134 150 8 -4.0 6.9 | 235 4 2.9 2.0 9 709 3048 100 10 -9.8 1.7 | 43 4 -3.0 -3.2 10 700 3161 95 11 -11.0 1.0 | 46 6 -4.1 -3.9 11 658 3658 80 14 -13.8 -2.4 | 43 10 -6.9 -7.3 12 588 4572 45 13 -9.2 -9.2 | 9 14 -2.3 -14.1 13 567 4877 50 14 -10.7 -9.0 | 15 14 -3.8 -13.9 14 526 5486 60 15 -13.0 -7.5 | 26 14 -6.1 -12.4 15 500 5890 60 13 -11.3 -6.5 | 21 12 -4.4 -11.4 16 487 6096 60 13 -11.3 -6.5 | 21 12 -4.4 -11.4 17 400 7600 60 2 -1.7 -1.0 | 319 8 5.2 -5.9 18 399 7620 65 3 -2.7 -1.3 | 326 7 4.2 -6.2 19 325 9144 275 4 4.0 -0.3 | 296 12 10.9 -5.2 20 300 9730 240 2 1.7 1.0 | 294 9 8.6 -3.9 21 262 10668 275 4 4.0 -0.3 | 296 12 10.9 -5.2 22 250 11010 240 4 3.5 2.0 | 286 11 10.4 -2.9 23 209 12192 200 12 4.1 11.3 | 240 13 11.0 6.4 24 200 12500 185 16 1.4 15.9 | 217 14 8.3 11.0 25 165 13716 160 20 -6.8 18.8 | 180 14 0.1 13.9 26 150 14310 135 14 -9.9 9.9 | 149 6 -3.0 5.0 27 128 15240 115 13 -11.8 5.5 | 97 5 -4.9 0.6 28 104 16459 70 12 -11.3 -4.1 | 26 10 -4.4 -9.0 29 100 16660 360 8 -0.0 -8.0 | 332 15 6.9 -12.9 30 89 17308 45 8 -5.7 -5.7 | 353 11 1.2 -10.6 31 75 18288 120 16 -13.9 8.0 | 114 8 -7.0 3.1 32 70 18650 155 6 -2.5 5.4 | 263 4 4.4 0.5 33 57 19812 265 4 4.0 0.3 | 293 12 10.9 -4.5 34 50 20630 255 12 11.6 3.1 | 276 19 18.5 -1.8 35 45 21336 255 4 3.9 1.0 | 290 11 10.8 -3.9 36 35 22860 75 9 -8.7 -2.3 | 14 7 -1.8 -7.2 37 30 23770 180 10 0.0 10.0 | 233 9 6.9 5.1 38 26 24384 180 8 0.0 8.0 | 246 8 6.9 3.1 Wind Parameters Mean winds (0-6000m): 95.4 at 11.3 knts Storm direction: 125.4 at 8.5 knts Shear (0-3000m) pos: 0.0 neg: 2.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 125.3 deg Storm rel helicity (0-3000m) pos: 3.9 neg: -21.2 tot: -17.3 m^2/s^2 ave: -5.8 10^-3 m/s^2 rel: -0.47 Storm rel vorticity (0-3000m) horiz: 3.9 stream: -1.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 23.90 Bulk Shear: 26.75 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 ------------------------------------------------------------------------------- 500 192 7 255 9| 0.0 6.8 6.8| 0.0 -15.6 -15.6 -31.2 -0.98| 6.9 -6.8 1000 188 9 244 9| 0.0 3.3 3.3| 2.3 -17.8 -15.5 -15.5 -0.74| 4.5 -3.4 1500 187 9 243 9| 0.0 1.9 1.9| 3.9 -17.8 -13.9 -9.3 -0.61| 3.3 -2.0 2000 183 9 241 8| 0.0 1.7 1.7| 3.9 -19.6 -15.7 -7.9 -0.49| 3.6 -1.8 2500 176 9 238 7| 0.0 1.9 1.9| 3.9 -20.3 -16.4 -6.6 -0.45| 3.7 -1.7 3000 166 9 231 6| 0.0 2.0 2.0| 3.9 -21.2 -17.3 -5.8 -0.47| 3.9 -1.8 4000 138 10 186 2| 0.0 2.2 2.2| 4.1 -30.5 -26.4 -6.6 -0.43| 4.1 -1.8 5000 112 11 74 3| 0.2 1.7 1.9| 11.4 -44.5 -33.1 -6.6 -0.41| 4.0 -1.6 6000 95 11 48 6| 0.3 1.3 1.6| 18.7 -48.2 -29.5 -4.9 -0.35| 3.7 -1.3 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20250426.12.gif