UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 21 OCT 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 27.6 23.1 77 4.5 24.3 335 9 300.0 303.3 297.1 352.4 17.91 1 1000 88 27.0 22.6 77 4.4 23.8 340 23 300.1 303.4 297.0 351.5 17.52 2 925 774 21.8 18.9 84 2.9 19.8 340 35 301.6 304.4 295.7 345.8 15.02 3 905 964 20.0 18.6 92 1.4 19.1 343 33 301.6 304.4 295.7 346.0 15.07 4 850 1505 17.8 15.0 84 2.8 15.9 350 29 304.8 307.2 295.0 342.8 12.72 5 838 1627 17.0 14.8 87 2.2 15.5 352 28 305.2 307.6 295.1 343.3 12.74 6 740 2681 11.6 11.1 97 0.5 11.3 11 23 310.4 312.5 295.5 344.9 11.29 7 700 3146 9.6 8.5 93 1.1 8.9 20 21 313.1 315.0 295.3 344.1 10.01 8 645 3824 6.8 1.8 70 5.0 3.9 29 18 317.4 318.7 294.0 338.9 6.77 9 592 4524 2.0 0.2 88 1.8 1.0 37 14 319.7 320.9 294.5 340.7 6.58 10 583 4648 2.4 -2.6 70 5.0 -0.2 39 13 321.5 322.6 294.1 339.2 5.43 11 582 4662 2.8 -2.2 70 5.0 0.1 39 13 322.2 323.3 294.4 340.4 5.60 12 549 5133 -0.5 -2.7 85 2.2 -1.7 45 11 323.7 324.8 294.9 342.4 5.72 13 502 5848 -2.7 -12.7 46 10.0 -7.0 55 7 329.4 329.9 294.1 339.2 2.87 14 500 5880 -2.5 -15.5 36 13.0 -7.7 55 7 330.0 330.5 293.8 337.9 2.29 15 499 5896 -2.5 -15.5 36 13.0 -7.7 55 7 330.2 330.6 293.9 338.1 2.29 16 478 6235 -4.9 -22.9 23 18.0 -10.8 51 7 331.3 331.6 293.3 335.8 1.27 17 423 7183 -11.9 -13.6 87 1.7 -12.6 40 8 334.1 334.8 295.6 345.1 3.17 18 418 7274 -11.9 -18.9 56 7.0 -14.3 39 9 335.3 335.7 294.9 342.6 2.06 19 411 7403 -12.7 -16.7 72 4.0 -14.2 37 9 335.9 336.4 295.4 344.8 2.52 20 405 7515 -12.9 -24.9 36 12.0 -16.4 36 9 337.0 337.3 294.7 341.6 1.25 21 400 7610 -13.1 -20.1 56 7.0 -15.4 35 9 338.0 338.4 295.5 344.9 1.94 22 399 7629 -13.1 -18.1 66 5.0 -14.9 35 9 338.2 338.7 295.8 346.4 2.31 23 393 7744 -13.5 -22.5 47 9.0 -16.3 37 9 339.2 339.5 295.5 345.0 1.60 24 380 7998 -15.3 -19.9 68 4.6 -16.9 39 8 340.1 340.5 296.1 347.5 2.08 25 355 8508 -18.5 -34.5 23 16.0 -21.8 45 7 342.4 342.6 295.4 344.7 0.58 26 349 8635 -19.3 -30.3 37 11.0 -21.9 47 6 343.0 343.2 295.8 346.4 0.88 27 346 8699 -19.3 -33.3 28 14.0 -22.3 48 6 343.9 344.0 295.8 346.4 0.67 28 318 9319 -24.3 -34.3 39 10.0 -26.2 55 4 345.3 345.5 296.1 347.9 0.66 29 313 9434 -25.1 -40.1 23 15.0 -27.5 56 4 345.8 345.9 296.0 347.3 0.37 30 300 9740 -27.7 -35.7 46 8.0 -29.1 60 3 346.3 346.5 296.4 348.7 0.61 31 287 10056 -30.7 -35.7 61 5.0 -31.5 88 4 346.5 346.6 296.4 348.9 0.63 32 285 10106 -31.1 -33.2 82 2.1 -31.5 92 5 346.6 346.8 296.5 349.7 0.82 33 280 10231 -32.1 -39.1 50 7.0 -33.1 104 5 346.9 347.0 296.4 348.7 0.46 34 273 10409 -33.3 -38.3 61 5.0 -34.0 119 6 347.7 347.8 296.5 349.7 0.51 35 258 10803 -36.7 -41.7 60 5.0 -37.2 155 8 348.4 348.4 296.6 349.9 0.38 36 250 11020 -38.5 -46.5 43 8.0 -39.2 175 9 348.8 348.9 296.6 349.8 0.23 37 245 11159 -39.5 -51.5 27 12.0 -40.4 169 9 349.4 349.4 296.6 349.9 0.14 38 224 11768 -44.7 -52.7 40 8.0 -45.2 143 11 350.4 350.5 296.8 351.0 0.13 39 222 11828 -44.9 -58.9 19 14.0 -45.5 140 11 351.0 351.1 296.9 351.3 0.06 40 210 12198 -47.5 -67.5 8 20.0 -48.1 124 12 352.6 352.6 297.2 352.7 0.02 41 200 12520 -49.9 -66.9 12 17.0 -50.3 110 13 353.8 353.8 297.4 353.9 0.02 42 192 12785 -51.9 -65.9 17 14.0 -52.2 114 14 354.7 354.7 297.7 354.8 0.03 43 177 13306 -56.9 -66.9 27 10.0 -57.1 121 15 354.8 354.8 297.7 355.0 0.03 44 167 13671 -60.3 -63.5 66 3.2 -60.4 126 16 355.1 355.1 297.8 355.3 0.04 45 164 13783 -61.5 -66.5 51 5.0 -61.6 127 16 355.0 355.0 297.7 355.1 0.03 46 154 14170 -64.7 -66.8 75 2.1 -64.7 133 17 355.9 355.9 297.9 356.1 0.03 47 150 14330 -66.1 -70.6 53 4.5 -66.1 135 17 356.2 356.2 298.0 356.3 0.02 48 148 14411 -66.7 -71.7 49 5.0 -66.7 132 17 356.5 356.6 298.0 356.6 0.02 49 143 14617 -69.1 -71.8 68 2.7 -69.1 123 16 355.9 355.9 297.9 356.0 0.02 50 130 15178 -74.3 -79.3 46 5.0 -74.3 98 14 356.4 356.4 298.0 356.4 0.01 51 106 16338 -83.1 -88.1 41 5.0 -83.1 45 10 361.1 361.1 298.9 361.1 0.00 52 100 16660 -85.7 -90.3 43 4.6 -85.7 30 9 362.1 362.1 299.1 362.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 554.00 mb = 5062.02 m = 16607.49 ft Wetbulb zero: 584.57 mb = 4626.61 m = 15178.97 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 82.02 % Est. max temperature: 31.89 C = 89.41 F Sfc-Lift cond lev (LCL): 945.47 mb = 581.41 m = 1907.49 ft T: 23.26 C 700-500 lapse rate: 4.43 C/km ThetaE index: 6.60 C Layer 1000.0- 905.0 mb Conv cond level (CCL): 892.97 mb = 1079.46 m = 3541.49 ft Mean mixing ratio: 16.19 g/kg Conv temperature: 29.93 C = 85.88 F Cap Strength: 0.68 C Lifted Index: 0.97 C Risk: Showers probable Lifted Index @300 mb: 1.46 C Lifted Index @700 mb: -0.62 C Showalter Index: 3.16 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 17.50 C K Index: 34.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 245.00 Risk: None Energy Index: -0.92 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 92.60 J/kg Max Up Vert Vel: 13.61 m/s Conv Inhibition (B-): 12.61 J/kg Cap Strength: 0.76 C Lift Cond Lev (LCL): 911.21 mb = 904.53 m = 2967.59 ft Lev Free Conv (LFC): 816.21 mb = 1850.23 m = 6070.23 ft Equ Level (EL): 516.21 mb = 5625.28 m = 18455.42 ft B at Equ Level: 80.20 J/kg Max Parcel Lev (MPL): 326.21 mb = 9131.58 m = 29958.89 ft Wind level data Storm motion: 34 at 15 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 7 335 9 3.8 -8.2 | 249 13 12.4 4.7 1 1000 88 340 23 7.9 -21.6 | 298 19 16.5 -8.8 2 925 774 340 35 12.0 -32.9 | 314 29 20.6 -20.1 3 850 1505 350 29 5.0 -28.6 | 319 21 13.7 -15.7 4 700 3146 20 21 -7.2 -19.7 | 348 7 1.4 -6.9 5 500 5880 55 7 -5.7 -4.0 | 198 9 2.9 8.8 6 400 7610 35 9 -5.2 -7.4 | 212 6 3.5 5.5 7 300 9740 60 3 -2.6 -1.5 | 208 13 6.0 11.3 8 250 11020 175 9 -0.8 9.0 | 200 23 7.8 21.8 9 200 12520 110 13 -12.2 4.4 | 168 18 -3.6 17.3 10 150 14330 135 17 -12.0 12.0 | 172 25 -3.4 24.9 11 100 16660 30 9 -4.5 -7.8 | 219 7 4.1 5.0 Wind Parameters Mean winds (0-6000m): 3.9 at 20.6 knts Storm direction: 33.9 at 15.5 knts Shear (0-3000m) pos: 2.8 neg: 0.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 95.6 deg Storm rel helicity (0-3000m) pos: 127.7 neg: 0.0 tot: 127.7 m^2/s^2 ave: 42.6 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 4.9 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 6.48 Bulk Shear: 14.28 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 ------------------------------------------------------------------------------- 500 340 25 302 20| 22.0 0.0 22.0| 73.6 0.0 73.6 147.1 0.82| 22.6 18.4 1000 340 29 308 24| 12.5 0.0 12.5| 95.0 0.0 95.0 95.0 0.73| 14.8 10.8 1500 342 30 311 24| 7.0 0.0 7.0|102.9 0.0 102.9 68.6 0.65| 11.7 7.6 2000 345 29 314 22| 4.8 0.0 4.8|115.2 0.0 115.2 57.6 0.63| 10.1 6.4 2500 348 29 316 21| 3.6 0.0 3.6|123.0 0.0 123.0 49.2 0.61| 9.1 5.5 3000 351 28 318 19| 2.8 0.0 2.8|127.7 0.0 127.7 42.6 0.59| 8.3 4.9 4000 357 26 322 16| 1.8 0.0 1.8|129.4 0.0 129.4 32.3 0.54| 7.1 3.8 5000 1 23 322 13| 1.2 0.0 1.2|129.7 -0.0 129.7 25.9 0.47| 6.3 3.0 6000 4 21 317 11| 0.9 0.0 0.9|132.1 -0.0 132.1 22.0 0.45| 5.7 2.6 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251021.00.gif