UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 21 APR 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 98 SFC 958 473 22.2 21.9 98 0.3 22.0 299.0 302.2 296.7 350.1 17.53 2 925 778 20.4 20.4 100 0.0 20.4 0 0 300.2 303.2 296.3 348.6 16.53 3 916 863 20.2 20.1 99 0.1 20.2 346 2 300.8 303.8 296.4 348.9 16.38 4 888 1133 21.2 18.6 85 2.6 19.4 302 6 304.5 307.4 296.7 350.3 15.37 5 850 1512 19.2 16.6 85 2.6 17.4 240 13 306.3 308.9 296.3 348.6 14.12 6 781 2237 15.0 14.3 96 0.7 14.6 244 19 309.3 311.8 296.5 349.5 13.24 7 719 2935 11.2 7.2 76 4.0 8.8 249 25 312.5 314.2 294.3 340.0 8.90 8 702 3135 10.8 -2.2 40 13.0 4.1 250 27 314.2 315.1 291.4 328.9 4.64 9 700 3159 10.4 -0.6 46 11.0 4.5 250 27 314.0 315.0 291.9 330.5 5.23 10 657 3684 6.2 4.6 89 1.6 5.2 248 29 315.0 316.6 294.4 340.4 8.13 11 651 3759 6.4 -0.6 61 7.0 2.7 248 29 316.1 317.1 292.8 334.0 5.63 12 639 3912 4.8 1.5 79 3.3 2.9 247 29 315.9 317.2 293.6 337.1 6.69 13 608 4316 2.0 -3.0 69 5.0 -0.5 246 30 317.2 318.2 292.6 333.4 5.05 14 595 4491 1.4 -13.6 32 15.0 -4.6 245 31 318.5 318.9 290.6 326.0 2.25 15 592 4531 1.2 -3.3 72 4.5 -1.1 245 31 318.7 319.7 293.1 335.1 5.07 16 587 4600 0.8 -2.4 79 3.2 -0.9 245 31 319.0 320.1 293.5 336.6 5.47 17 581 4683 1.0 -9.0 47 10.0 -3.5 244 31 320.2 320.9 292.0 331.2 3.33 18 566 4893 0.0 -18.0 24 18.0 -6.5 244 32 321.4 321.8 290.9 327.0 1.64 19 555 5050 -1.1 -13.1 40 12.0 -6.0 243 33 321.9 322.4 291.8 330.4 2.51 20 542 5240 -1.5 -24.5 15 23.0 -8.6 242 33 323.7 323.8 290.9 327.1 0.97 21 525 5494 -2.1 -32.1 8 30.0 -9.9 241 34 325.9 326.0 291.0 327.7 0.49 22 522 5539 -2.1 -25.1 15 23.0 -9.2 241 34 326.4 326.6 291.7 329.8 0.95 23 516 5631 -3.3 -10.3 58 7.0 -6.4 241 34 326.1 326.7 293.7 337.4 3.39 24 507 5770 -4.5 -11.5 58 7.0 -7.5 240 35 326.3 326.9 293.5 336.8 3.13 25 500 5880 -5.1 -16.1 42 11.0 -9.2 240 35 326.8 327.3 292.9 334.3 2.18 26 491 6022 -5.9 -25.9 19 20.0 -11.7 240 34 327.5 327.7 292.0 330.9 0.94 27 477 6248 -7.7 -16.7 48 9.0 -11.0 240 32 328.0 328.5 293.2 335.5 2.17 28 468 6396 -8.1 -26.1 22 18.0 -13.2 240 31 329.3 329.5 292.5 332.8 0.97 29 452 6665 -10.3 -21.3 40 11.0 -13.8 240 29 329.9 330.2 293.2 335.3 1.54 30 422 7192 -11.9 -38.9 9 27.0 -17.3 240 24 334.4 334.4 293.2 335.6 0.31 31 400 7600 -13.9 -30.9 22 17.0 -18.0 240 21 336.9 337.1 294.2 339.6 0.73 32 393 7733 -15.1 -30.1 27 15.0 -18.7 242 22 337.1 337.2 294.3 340.0 0.80 33 387 7849 -15.9 -22.9 55 7.0 -18.0 244 22 337.5 337.8 295.1 343.2 1.57 34 380 7986 -16.3 -44.3 7 28.0 -20.8 246 23 338.7 338.8 294.2 339.5 0.20 35 365 8287 -17.7 -31.7 28 14.0 -20.9 251 24 340.8 340.9 295.2 343.6 0.74 36 362 8348 -18.3 -25.3 54 7.0 -20.3 252 24 340.8 341.1 295.7 345.8 1.35 37 355 8493 -19.7 -23.5 72 3.8 -20.8 255 25 340.8 341.2 295.9 346.8 1.62 38 352 8556 -20.3 -25.3 64 5.0 -21.7 256 25 340.8 341.1 295.7 346.0 1.39 39 349 8619 -20.1 -47.1 7 27.0 -23.9 257 26 341.9 342.0 295.0 342.6 0.16 40 345 8704 -20.7 -27.7 53 7.0 -22.5 258 26 342.3 342.5 295.8 346.5 1.14 41 342 8769 -20.7 -37.7 20 17.0 -23.8 259 26 343.1 343.2 295.5 344.8 0.44 42 300 9720 -28.3 -42.3 25 14.0 -30.2 275 31 345.5 345.6 295.9 346.7 0.31 43 289 9987 -30.5 -41.5 33 11.0 -32.0 278 30 346.1 346.1 296.1 347.5 0.35 44 280 10211 -32.1 -58.1 6 26.0 -34.0 281 29 346.9 346.9 296.0 347.1 0.05 45 266 10571 -35.5 -44.5 39 9.0 -36.4 285 28 347.1 347.1 296.3 348.2 0.27 46 264 10623 -36.1 -46.1 35 10.0 -37.1 286 28 346.9 347.0 296.1 347.9 0.23 47 259 10756 -36.9 -45.9 39 9.0 -37.8 287 28 347.7 347.7 296.3 348.7 0.24 48 255 10864 -37.5 -55.5 14 18.0 -38.7 288 27 348.3 348.4 296.3 348.7 0.08 49 250 11000 -38.5 -55.5 15 17.0 -39.6 290 27 348.8 348.8 296.4 349.2 0.08 50 225 11714 -44.5 -53.5 36 9.0 -45.0 288 22 350.3 350.3 296.8 350.8 0.12 51 222 11803 -45.5 -49.9 61 4.4 -45.8 287 22 350.1 350.2 296.8 350.9 0.18 52 218 11924 -46.3 -55.3 35 9.0 -46.7 287 21 350.7 350.7 296.9 351.1 0.10 53 202 12425 -50.7 -54.5 64 3.8 -50.8 285 17 351.5 351.5 297.1 352.0 0.12 54 200 12490 -51.1 -55.0 63 3.9 -51.2 285 17 351.8 351.9 297.1 352.3 0.11 55 194 12687 -52.1 -72.1 7 20.0 -52.5 278 16 353.3 353.3 297.4 353.4 0.01 56 189 12855 -53.3 -75.3 5 22.0 -53.7 271 15 354.0 354.0 297.5 354.1 0.01 57 150 14300 -65.3 -79.3 13 14.0 -65.4 215 9 357.6 357.6 298.2 357.6 0.00 58 136 14891 -70.1 -81.1 18 11.0 -70.1 248 9 359.3 359.3 298.5 359.3 0.00 59 116 15825 -75.7 -81.7 38 6.0 -75.7 301 8 365.6 365.6 299.8 365.6 0.00 60 100 16680 -78.1 -86.1 26 8.0 -78.1 350 7 376.8 376.8 301.7 376.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 566.00 mb = 4892.91 m = 16052.66 ft Wetbulb zero: 612.77 mb = 4252.38 m = 13951.22 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 68.79 % Est. max temperature: 31.15 C = 88.07 F Sfc-Lift cond lev (LCL): 954.18 mb = 507.56 m = 1665.22 ft T: 22.00 C 700-500 lapse rate: 5.70 C/km ThetaE index: 20.60 C Layer 719.0- 700.0 mb Conv cond level (CCL): 833.29 mb = 1681.98 m = 5518.24 ft Mean mixing ratio: 15.98 g/kg Conv temperature: 30.07 C = 86.13 F Cap Strength: 2.02 C Lifted Index: -2.01 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.33 C Lifted Index @700 mb: -0.05 C Showalter Index: -1.66 C Risk: Thunderstorms probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 21.70 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 260.20 Risk: None Energy Index: -2.81 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 341.58 J/kg Max Up Vert Vel: 26.14 m/s Conv Inhibition (B-): 53.38 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 890.93 mb = 1104.04 m = 3622.13 ft Lev Free Conv (LFC): 735.93 mb = 2738.34 m = 8983.96 ft Equ Level (EL): 705.93 mb = 3088.38 m = 10132.35 ft B at Equ Level: 33.46 J/kg Max Parcel Lev (MPL): 155.93 mb = 14057.60 m = 46120.16 ft Wind level data Storm motion: 274 at 19 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 ---------------------------------------------------------- 0 925 778 0 0 -0.0 -0.0 | 94 19 -18.7 1.4 1 850 1512 240 13 11.3 6.5 | 136 11 -7.5 7.9 2 700 3159 250 27 25.4 9.2 | 212 13 6.6 10.6 3 500 5880 240 35 30.3 17.5 | 212 22 11.6 18.9 4 400 7600 240 21 18.2 10.5 | 177 12 -0.5 11.9 5 300 9720 275 31 30.9 -2.7 | 276 12 12.2 -1.3 6 250 11000 290 27 25.4 -9.2 | 320 10 6.6 -7.9 7 200 12490 285 17 16.4 -4.4 | 37 4 -2.3 -3.0 8 150 14300 215 9 5.2 7.4 | 123 16 -13.6 8.7 9 100 16680 350 7 1.2 -6.9 | 72 18 -17.5 -5.5 Wind Parameters Mean winds (0-6000m): 244.2 at 25.0 knts Storm direction: 274.2 at 18.8 knts Storm rel Dir Shear (0-3000m): 167.6 deg Energy-Hel index: -21.35 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 ------------------------------------------------------------------------------- 500 328 2 90 18| | | 1000 246 6 106 14| | | 1500 241 10 121 12| | | 2000 243 12 133 10| | | 2500 245 15 146 9| | | 3000 247 17 160 9| | | 4000 247 20 180 9| | | 5000 245 23 192 11| | | 6000 244 25 197 13| | | Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250421.00.gif