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 VVDN... Searching the city database file for: VVDN ... Date:1200Z 30 APR 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1009 7 28.0 24.0 79 4.0 25.0 100 1 300.4 303.8 297.9 356.0 18.94 1 1000 88 27.0 23.9 83 3.1 24.7 90 3 300.1 303.6 297.9 355.9 19.00 2 925 775 23.0 19.1 79 3.9 20.2 135 11 302.8 305.6 296.1 347.9 15.22 3 869 1319 20.0 18.1 89 1.9 18.7 172 7 305.2 308.0 296.8 350.6 15.21 4 850 1511 19.8 15.4 76 4.4 16.8 185 5 306.9 309.3 295.8 346.2 13.06 5 789 2150 17.6 5.6 45 12.0 10.4 156 6 311.1 312.5 292.7 333.6 7.24 6 700 3161 10.2 0.2 50 10.0 4.8 110 7 313.8 314.8 292.0 331.3 5.55 7 683 3365 8.4 -0.6 53 9.0 3.6 97 7 314.0 315.0 292.0 330.9 5.37 8 677 3438 8.8 -13.2 20 22.0 -0.3 93 6 315.2 315.6 289.3 322.0 2.04 9 671 3512 8.6 -16.4 15 25.0 -1.0 88 6 315.8 316.1 289.1 321.1 1.58 10 660 3648 7.8 -8.2 31 16.0 0.4 79 6 316.4 317.0 290.7 326.6 3.12 11 649 3787 7.2 -11.8 24 19.0 -0.9 71 6 317.2 317.7 290.3 325.1 2.38 12 644 3851 7.4 -22.6 10 30.0 -2.8 67 6 318.2 318.4 289.2 321.5 0.97 13 618 4190 6.8 -24.2 9 31.0 -3.5 45 5 321.3 321.4 290.0 324.3 0.87 14 597 4473 4.2 -2.8 60 7.0 0.5 27 4 321.4 322.5 293.9 338.4 5.22 15 582 4679 2.6 -3.4 65 6.0 -0.5 14 4 321.9 322.9 294.0 338.6 5.12 16 566 4905 2.4 -7.6 48 10.0 -2.4 359 3 324.3 325.0 293.6 336.9 3.82 17 561 4977 1.6 -4.4 64 6.0 -1.4 355 3 324.1 325.1 294.4 340.3 4.92 18 544 5225 1.4 -13.6 32 15.0 -4.8 339 3 326.8 327.3 293.1 335.2 2.46 19 542 5254 1.4 -15.6 27 17.0 -5.4 337 2 327.1 327.5 292.9 334.3 2.09 20 522 5556 -0.3 -27.3 11 27.0 -8.4 317 2 328.6 328.8 292.1 331.4 0.78 21 500 5900 -2.5 -29.5 10 27.0 -10.1 295 1 330.0 330.1 292.4 332.4 0.66 22 491 6044 -3.5 -38.5 5 35.0 -11.4 294 1 330.5 330.5 292.2 331.6 0.28 23 459 6572 -7.1 -35.1 9 28.0 -13.6 289 3 332.4 332.5 292.8 334.0 0.42 24 457 6606 -7.3 -20.3 35 13.0 -11.8 289 3 332.6 332.9 294.0 338.5 1.67 25 447 6778 -8.5 -24.5 26 16.0 -13.3 287 4 333.2 333.4 293.7 337.4 1.18 26 442 6865 -8.7 -15.7 57 7.0 -11.4 287 4 334.0 334.5 295.0 342.9 2.55 27 424 7185 -10.9 -20.9 44 10.0 -14.2 284 5 335.2 335.5 294.6 341.3 1.70 28 422 7221 -11.1 -28.1 23 17.0 -15.7 284 6 335.4 335.6 294.0 338.7 0.90 29 420 7258 -11.5 -18.5 56 7.0 -14.0 283 6 335.3 335.8 295.0 342.8 2.12 30 417 7313 -11.7 -17.7 61 6.0 -13.9 283 6 335.8 336.2 295.3 343.8 2.28 31 407 7498 -12.9 -18.9 61 6.0 -15.0 281 7 336.5 337.0 295.3 344.1 2.11 32 402 7592 -13.3 -26.3 33 13.0 -16.9 280 7 337.2 337.4 294.6 341.3 1.11 33 400 7630 -13.7 -20.7 55 7.0 -16.0 280 7 337.2 337.6 295.2 343.8 1.84 34 397 7687 -13.9 -26.9 32 13.0 -17.4 279 7 337.6 337.9 294.7 341.6 1.06 35 391 7802 -15.1 -19.8 67 4.7 -16.7 278 7 337.6 338.0 295.5 344.8 2.03 36 384 7938 -16.1 -21.1 65 5.0 -17.7 276 7 338.0 338.4 295.4 344.7 1.85 37 383 7958 -16.3 -29.3 32 13.0 -19.5 275 7 338.0 338.2 294.6 341.3 0.88 38 382 7978 -16.5 -23.5 55 7.0 -18.6 275 7 338.0 338.3 295.1 343.4 1.51 39 379 8037 -16.9 -21.9 65 5.0 -18.4 274 7 338.2 338.6 295.4 344.5 1.75 40 347 8693 -20.7 -30.7 40 10.0 -22.9 265 8 341.7 341.9 295.5 344.9 0.85 41 328 9106 -23.9 -38.9 24 15.0 -26.3 259 8 342.8 342.9 295.4 344.4 0.40 42 300 9750 -29.1 -36.1 51 7.0 -30.2 250 9 344.4 344.5 295.9 346.6 0.58 43 284 10140 -32.7 -36.7 67 4.0 -33.3 265 10 344.6 344.8 296.0 346.9 0.58 44 267 10574 -35.3 -40.3 60 5.0 -35.9 282 10 347.0 347.1 296.3 348.7 0.43 45 256 10867 -38.1 -45.1 48 7.0 -38.8 293 11 347.1 347.1 296.2 348.1 0.27 46 250 11030 -39.5 -44.5 59 5.0 -39.9 300 11 347.3 347.4 296.3 348.5 0.29 47 244 11195 -40.9 -44.5 68 3.6 -41.2 295 11 347.7 347.7 296.4 348.9 0.30 48 200 12510 -51.7 -59.7 38 8.0 -52.0 255 11 350.9 350.9 296.9 351.2 0.06 49 177 13290 -58.5 -68.5 27 10.0 -58.6 261 8 352.2 352.2 297.1 352.3 0.02 50 166 13689 -61.9 -67.9 45 6.0 -62.0 265 7 353.1 353.1 297.3 353.2 0.02 51 151 14270 -65.7 -77.7 17 12.0 -65.8 270 5 356.2 356.2 298.0 356.3 0.01 52 150 14310 -66.1 -77.1 20 11.0 -66.2 270 5 356.2 356.2 298.0 356.2 0.01 53 129 15210 -73.5 -83.5 20 10.0 -73.5 289 6 358.6 358.6 298.4 358.6 0.00 54 100 16670 -81.9 -88.9 29 7.0 -81.9 320 9 369.5 369.5 300.5 369.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 525.53 mb = 5503.19 m = 18054.85 ft Wetbulb zero: 677.42 mb = 3432.83 m = 11262.42 ft Precipitable water: 1.81 inches Sfc-500 mean rel hum: 49.82 % Est. max temperature: 33.70 C = 92.66 F Sfc-Lift cond lev (LCL): 952.60 mb = 515.95 m = 1692.72 ft T: 24.51 C 700-500 lapse rate: 4.64 C/km ThetaE index: 29.55 C Layer 850.0- 660.0 mb Conv cond level (CCL): 828.55 mb = 1730.43 m = 5677.21 ft Mean mixing ratio: 16.95 g/kg Conv temperature: 35.98 C = 96.76 F Cap Strength: 2.11 C Lifted Index: -0.18 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.64 C Lifted Index @700 mb: -0.84 C Showalter Index: 1.87 C Risk: Showers probable Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 17.90 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 195.80 Risk: None Energy Index: -2.55 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 375.89 J/kg Max Up Vert Vel: 27.42 m/s Conv Inhibition (B-): 100.66 J/kg Cap Strength: 2.14 C Lift Cond Lev (LCL): 911.37 mb = 904.37 m = 2967.04 ft Lev Free Conv (LFC): 716.37 mb = 2965.77 m = 9730.11 ft Equ Level (EL): 626.37 mb = 4078.94 m = 13382.20 ft B at Equ Level: 38.70 J/kg Max Parcel Lev (MPL): 116.37 mb = 15800.53 m = 51838.37 ft Wind level data Storm motion: 160 at 4 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 1009 7 100 1 -1.0 0.2 | 354 4 0.4 -3.5 1 1000 88 90 3 -3.0 0.0 | 24 4 -1.6 -3.7 2 925 775 135 11 -7.8 7.8 | 123 8 -6.4 4.1 3 850 1511 185 5 0.4 5.0 | 235 2 1.8 1.3 4 700 3161 110 7 -6.6 2.4 | 76 5 -5.2 -1.3 5 500 5900 295 1 0.9 -0.4 | 331 5 2.3 -4.1 6 400 7630 280 7 6.9 -1.2 | 301 10 8.3 -4.9 7 300 9750 250 9 8.5 3.1 | 274 10 9.8 -0.6 8 250 11030 300 11 9.5 -5.5 | 310 14 10.9 -9.2 9 200 12510 255 11 10.6 2.8 | 274 12 12.0 -0.9 10 150 14310 270 5 5.0 -0.0 | 300 7 6.4 -3.7 11 100 16670 320 9 5.8 -6.9 | 326 13 7.2 -10.6 Wind Parameters Mean winds (0-6000m): 129.5 at 5.3 knts Storm direction: 159.5 at 4.0 knts Shear (0-3000m) pos: 0.9 neg: 1.2 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 89.0 deg Storm rel helicity (0-3000m) pos: 23.1 neg: -3.9 tot: 19.1 m^2/s^2 ave: 6.4 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.1 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 818.46 Bulk Shear: 0.46 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 ------------------------------------------------------------------------------- 500 109 5 57 4| 7.1 0.0 7.1| 8.4 0.0 8.4 16.7 0.96| 7.8 7.5 1000 130 7 104 4| 4.4 0.0 4.4| 18.8 0.0 18.8 18.8 0.90| 7.7 6.9 1500 138 7 117 4| 1.7 0.0 1.7| 23.1 0.0 23.1 15.4 0.88| 7.1 6.3 2000 145 7 127 3| 1.3 0.5 1.8| 23.1 -1.0 22.1 11.1 0.71| 5.9 4.2 2500 146 7 127 3| 1.0 0.9 1.9| 23.1 -2.1 21.0 8.4 0.56| 5.2 2.9 3000 141 7 118 3| 0.9 1.2 2.0| 23.1 -3.9 19.1 6.4 0.44| 4.8 2.1 4000 130 6 97 4| 0.6 1.2 1.8| 23.1 -14.3 8.8 2.2 0.18| 4.5 0.8 5000 127 6 88 3| 0.5 0.8 1.3| 23.1 -23.8 -0.7 -0.1 0.03| 4.1 0.1 6000 130 5 83 3| 0.4 0.5 0.9| 23.1 -26.6 -3.6 -0.6 -0.01| 3.7 -0.0 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250430.12.gif