UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for VT453... Searching the city database file for: VT453 ... Date:0000Z 27 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 1008 16 28.0 23.0 74 5.0 24.3 0 0 300.5 303.7 297.2 352.8 17.82 1 1000 86 27.6 24.4 83 3.2 25.2 325 3 300.8 304.3 298.4 358.4 19.59 2 925 776 23.8 22.3 91 1.5 22.7 325 26 303.6 307.1 298.5 359.1 18.63 3 916 862 23.2 21.9 92 1.3 22.3 325 30 303.9 307.3 298.4 358.5 18.35 4 863 1382 22.2 14.2 60 8.0 16.8 317 9 308.1 310.3 295.3 344.0 11.88 5 850 1514 21.0 14.0 64 7.0 16.3 315 3 308.1 310.4 295.3 344.2 11.91 6 727 2849 12.2 8.7 79 3.5 10.0 108 10 312.6 314.5 295.0 342.8 9.76 7 700 3166 10.8 6.4 74 4.4 8.1 105 8 314.4 316.1 294.7 341.4 8.65 8 689 3298 10.0 6.0 76 4.0 7.6 96 7 315.0 316.6 294.7 341.7 8.55 9 678 3432 9.8 1.8 57 8.0 5.3 87 6 316.2 317.5 293.4 336.6 6.44 10 605 4368 2.8 -0.6 78 3.4 1.0 81 6 318.6 319.8 293.8 338.0 6.06 11 552 5106 -1.1 -4.4 78 3.3 -2.7 82 5 322.4 323.4 294.0 338.8 5.01 12 531 5415 -2.9 -12.9 46 10.0 -7.0 84 4 323.9 324.4 292.5 332.9 2.67 13 528 5460 -2.9 -8.9 63 6.0 -5.6 85 4 324.4 325.1 293.5 336.7 3.70 14 519 5596 -3.5 -17.5 33 14.0 -8.6 101 3 325.3 325.7 292.2 331.7 1.86 15 503 5843 -5.5 -10.3 69 4.8 -7.6 142 2 325.8 326.5 293.7 337.4 3.47 16 500 5890 -5.7 -10.7 68 5.0 -7.8 150 2 326.1 326.8 293.7 337.5 3.38 17 489 6064 -6.5 -12.5 62 6.0 -8.9 162 2 327.2 327.8 293.7 337.3 2.99 18 482 6177 -6.7 -24.7 22 18.0 -12.1 173 2 328.3 328.5 292.3 332.1 1.07 19 440 6883 -11.1 -13.4 83 2.3 -12.0 242 4 331.4 332.0 294.8 342.0 3.09 20 428 7096 -11.7 -21.7 43 10.0 -14.9 263 5 333.3 333.6 294.0 338.9 1.57 21 414 7349 -14.1 -14.9 94 0.8 -14.4 289 5 333.4 334.0 295.1 343.5 2.91 22 400 7610 -15.7 -17.4 87 1.7 -16.3 315 6 334.6 335.1 295.1 343.2 2.44 23 388 7839 -17.7 -20.4 79 2.7 -18.6 307 6 334.9 335.3 294.7 341.8 1.95 24 386 7878 -17.7 -26.7 45 9.0 -20.0 306 6 335.4 335.6 294.2 339.5 1.12 25 383 7936 -17.9 -29.9 34 12.0 -20.7 304 6 335.9 336.0 294.1 339.0 0.83 26 381 7975 -18.3 -24.3 59 6.0 -20.0 302 6 335.8 336.1 294.6 340.9 1.40 27 379 8014 -18.3 -30.3 34 12.0 -21.1 301 6 336.4 336.5 294.1 339.4 0.81 28 376 8074 -18.9 -25.9 54 7.0 -20.7 299 6 336.3 336.6 294.5 340.8 1.23 29 373 8133 -19.1 -34.1 25 15.0 -22.1 297 6 336.8 336.9 294.1 339.0 0.57 30 370 8193 -19.3 -24.3 65 5.0 -20.7 295 6 337.3 337.6 295.0 342.6 1.45 31 364 8315 -20.1 -23.5 74 3.4 -21.1 290 6 337.9 338.2 295.2 343.6 1.58 32 358 8438 -21.1 -29.1 49 8.0 -22.9 286 5 338.1 338.3 294.7 341.7 0.96 33 351 8583 -22.5 -23.7 90 1.2 -22.8 281 5 338.2 338.5 295.3 344.0 1.61 34 334 8947 -24.5 -30.5 57 6.0 -25.8 268 5 340.2 340.4 295.2 343.6 0.90 35 306 9579 -29.1 -30.3 89 1.2 -29.3 264 4 342.4 342.6 295.8 346.2 1.01 36 300 9720 -30.1 -31.8 85 1.7 -30.4 265 4 343.0 343.1 295.8 346.3 0.89 37 271 10434 -35.3 -37.6 79 2.3 -35.6 231 3 345.5 345.6 296.1 347.7 0.56 38 266 10563 -35.9 -41.9 54 6.0 -36.6 225 2 346.5 346.6 296.2 347.9 0.36 39 250 10990 -39.5 -43.9 63 4.4 -39.9 200 2 347.3 347.4 296.3 348.6 0.31 40 240 11269 -41.3 -45.2 66 3.9 -41.6 217 3 348.7 348.8 296.6 349.9 0.28 41 237 11354 -41.9 -48.9 46 7.0 -42.4 222 3 349.1 349.1 296.6 349.8 0.19 42 229 11586 -44.1 -52.1 41 8.0 -44.6 237 3 349.2 349.2 296.5 349.7 0.14 43 215 12006 -47.9 -52.7 58 4.8 -48.1 263 5 349.6 349.6 296.7 350.2 0.13 44 205 12319 -50.3 -58.3 38 8.0 -50.6 299 4 350.6 350.6 296.8 350.9 0.07 45 200 12480 -52.1 -56.6 58 4.5 -52.2 330 3 350.3 350.3 296.8 350.6 0.09 46 191 12777 -54.7 -57.3 73 2.6 -54.8 345 7 350.7 350.8 296.8 351.1 0.09 47 178 13224 -58.5 -64.5 46 6.0 -58.6 8 14 351.7 351.7 297.0 351.8 0.04 48 176 13295 -58.9 -65.9 40 7.0 -59.0 12 15 352.1 352.1 297.1 352.3 0.03 49 162 13810 -63.1 -67.0 59 3.9 -63.1 58 21 353.5 353.5 297.4 353.6 0.03 50 150 14280 -66.5 -72.5 43 6.0 -66.5 190 18 355.5 355.5 297.8 355.6 0.01 51 111 16035 -81.1 -85.5 47 4.4 -81.1 56 13 360.1 360.1 298.7 360.1 0.00 52 108 16188 -82.1 -86.4 48 4.3 -82.1 40 12 361.1 361.1 298.9 361.1 0.00 53 100 16620 -80.7 -85.0 48 4.3 -80.7 85 20 371.8 371.8 300.9 371.8 0.00 54 87 17402 -83.3 -87.7 46 4.4 -83.3 156 17 381.7 381.7 302.5 381.7 0.00 55 70 18630 -78.5 -88.5 18 10.0 -78.6 15 20 416.4 416.4 307.3 416.5 0.00 56 66 18965 -78.7 -89.7 15 11.0 -78.7 328 18 423.1 423.1 308.1 423.1 0.00 57 61 19421 -72.7 -88.7 7 16.0 -72.8 265 15 446.1 446.1 310.5 446.1 0.00 58 52 20373 -66.9 -89.9 3 23.0 -67.1 311 10 480.4 480.4 313.5 480.4 0.00 59 50 20610 -66.1 -89.1 3 23.0 -66.4 350 9 487.7 487.7 314.1 487.7 0.00 60 44 21386 -66.7 -90.7 2 24.0 -67.0 346 7 504.4 504.4 315.2 504.4 0.00 61 40 21979 -55.9 -86.9 1 31.0 -57.1 276 9 545.5 545.5 317.8 545.5 0.01 62 32 23393 -58.5 -87.5 1 29.0 -59.5 104 20 574.5 574.5 319.4 574.5 0.01 63 30 23800 -57.9 -87.9 1 30.0 -59.0 50 27 586.8 586.8 320.0 586.8 0.01 64 26 24706 -56.3 -87.3 1 31.0 -57.9 45 36 615.9 615.9 321.3 615.9 0.01 TRP 108 16188 -82.1 -86.4 48 4.3 -82.1 40 12 361.1 361.1 298.9 361.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 566.95 mb = 4897.45 m = 16067.56 ft Wetbulb zero: 591.26 mb = 4552.55 m = 14935.99 ft Precipitable water: 2.28 inches Sfc-500 mean rel hum: 72.23 % Est. max temperature: 35.65 C = 96.16 F Sfc-Lift cond lev (LCL): 937.73 mb = 655.05 m = 2149.09 ft T: 24.47 C 700-500 lapse rate: 6.06 C/km ThetaE index: 15.08 C Layer 916.0- 850.0 mb Conv cond level (CCL): 852.44 mb = 1489.10 m = 4885.43 ft Mean mixing ratio: 18.91 g/kg Conv temperature: 35.68 C = 96.23 F Cap Strength: 2.02 C Lifted Index: -5.60 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -6.10 C Lifted Index @700 mb: -1.99 C Showalter Index: -0.56 C Risk: Thunderstorms probable Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 19.70 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 176.00 Risk: None Energy Index: -1.31 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2221.64 J/kg Max Up Vert Vel: 66.66 m/s Conv Inhibition (B-): 47.40 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 925.40 mb = 772.18 m = 2533.37 ft Lev Free Conv (LFC): 790.40 mb = 2134.75 m = 7003.67 ft Equ Level (EL): 120.40 mb = 15561.19 m = 51053.16 ft B at Equ Level: 2213.68 J/kg Max Parcel Lev (MPL): 70.40 mb = 18597.88 m = 61015.93 ft Wind level data Storm motion: 61 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 1008 16 0 0 -0.0 -0.0 | 241 6 5.6 3.1 1 1000 86 325 3 1.7 -2.5 | 265 7 7.3 0.7 2 976 305 325 10 5.7 -8.2 | 294 12 11.3 -5.0 3 943 610 325 21 12.0 -17.2 | 309 23 17.6 -14.1 4 925 776 325 26 14.9 -21.3 | 312 27 20.5 -18.2 5 910 914 325 32 18.4 -26.2 | 314 33 23.9 -23.1 6 850 1514 315 3 2.1 -2.1 | 262 8 7.7 1.0 7 849 1524 310 3 2.3 -1.9 | 261 8 7.9 1.2 8 790 2134 85 9 -9.0 -0.8 | 125 4 -3.4 2.4 9 710 3048 115 10 -9.1 4.2 | 155 8 -3.5 7.4 10 700 3166 105 8 -7.7 2.1 | 158 6 -2.1 5.2 11 659 3658 70 5 -4.7 -1.7 | 212 2 0.9 1.4 12 588 4572 85 6 -6.0 -0.5 | 172 3 -0.4 2.6 13 567 4877 80 5 -4.9 -0.9 | 196 2 0.7 2.3 14 526 5486 85 4 -4.0 -0.3 | 210 3 1.6 2.8 15 500 5890 150 2 -1.0 1.7 | 223 7 4.6 4.9 16 487 6096 165 2 -0.5 1.9 | 225 7 5.1 5.1 17 400 7610 315 6 4.2 -4.2 | 276 10 9.8 -1.1 18 399 7620 315 6 4.2 -4.2 | 276 10 9.8 -1.1 19 325 9144 260 5 4.9 0.9 | 249 11 10.5 4.0 20 300 9720 265 4 4.0 0.3 | 250 10 9.6 3.5 21 262 10668 220 2 1.3 1.5 | 236 8 6.9 4.7 22 250 10990 200 2 0.7 1.9 | 231 8 6.3 5.0 23 209 12192 275 5 5.0 -0.4 | 256 11 10.6 2.7 24 200 12480 330 3 1.5 -2.6 | 266 7 7.1 0.5 25 164 13716 35 22 -12.6 -18.0 | 25 16 -7.0 -14.9 26 150 14280 190 18 3.1 17.7 | 203 23 8.7 20.9 27 127 15240 135 17 -12.0 12.0 | 157 16 -6.4 15.2 28 108 16188 40 12 -7.7 -9.2 | 19 6 -2.1 -6.1 29 103 16459 35 12 -6.9 -9.8 | 11 7 -1.3 -6.7 30 100 16620 85 20 -19.9 -1.7 | 96 14 -14.3 1.4 31 74 18288 235 14 11.5 8.0 | 237 20 17.1 11.2 32 70 18630 15 20 -5.2 -19.3 | 359 16 0.4 -16.2 33 57 19812 215 13 7.5 10.6 | 223 19 13.0 13.8 34 50 20610 350 9 1.6 -8.9 | 309 9 7.2 -5.7 35 45 21336 355 7 0.6 -7.0 | 302 7 6.2 -3.8 36 35 22860 175 11 -1.0 11.0 | 198 15 4.6 14.1 37 30 23800 50 27 -20.7 -17.4 | 47 21 -15.1 -14.2 38 26 24384 45 36 -25.5 -25.5 | 42 30 -19.9 -22.3 39 23 24994 45 38 -26.9 -26.9 | 42 32 -21.3 -23.7 Wind Parameters Mean winds (0-6000m): 30.7 at 8.6 knts Storm direction: 60.7 at 6.4 knts Shear (0-3000m) pos: 2.2 neg: 0.5 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): -86.7 deg Storm rel helicity (0-3000m) pos: 70.8 neg: -66.0 tot: 4.7 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 14.1 stream: 2.8 10^-3/s Energy-Hel index: 0.89 Bulk Rich Number: 188.21 Bulk Shear: 11.80 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 ------------------------------------------------------------------------------- 500 325 9 291 11| 0.0 18.1 18.1| 29.7 0.0 29.7 59.5 0.61| 18.2 11.2 1000 325 17 305 19| 0.0 13.9 13.9| 53.8 -15.0 38.8 38.8 0.34| 19.0 6.5 1500 325 16 304 18| 0.0 1.0 1.0| 53.8 -66.0 -12.2 -8.1 0.01| 21.0 0.2 2000 329 14 304 15| 2.3 0.8 3.1| 64.4 -66.0 -1.7 -0.8 0.14| 18.7 2.5 2500 337 13 309 14| 2.5 0.6 3.1| 67.6 -66.0 1.6 0.6 0.18| 16.3 3.0 3000 348 12 318 12| 2.2 0.5 2.7| 70.8 -66.0 4.7 1.6 0.20| 14.1 2.8 4000 7 11 330 9| 1.6 1.2 2.9| 72.6 -66.3 6.3 1.6 0.20| 11.6 2.3 5000 23 10 342 6| 1.4 1.1 2.5| 73.4 -66.7 6.7 1.3 0.20| 9.5 1.9 6000 31 9 344 4| 1.1 0.9 2.0| 76.1 -66.7 9.5 1.6 0.21| 8.3 1.8 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20250427.00.gif