UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 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 26.6 22.4 78 4.2 23.6 355 7 299.0 302.1 296.4 349.0 17.14 1 1000 85 26.2 22.0 78 4.2 23.2 345 23 299.4 302.4 296.3 348.6 16.87 2 935 675 20.8 20.0 95 0.8 20.2 345 32 299.7 302.6 295.8 346.2 15.94 3 925 768 20.4 19.4 94 1.0 19.7 345 33 300.2 303.0 295.7 345.6 15.51 4 850 1497 17.4 15.9 91 1.5 16.4 345 23 304.4 306.9 295.4 344.6 13.49 5 814 1866 14.8 14.7 99 0.1 14.7 349 23 305.4 307.8 295.4 344.4 13.03 6 810 1908 15.2 14.3 94 0.9 14.6 350 23 306.3 308.6 295.4 344.6 12.76 7 700 3139 10.4 7.9 84 2.5 8.8 5 25 314.0 315.8 295.3 343.8 9.60 8 695 3199 10.4 7.2 81 3.2 8.4 3 25 314.6 316.4 295.1 343.4 9.21 9 654 3702 7.0 5.0 87 2.0 5.8 347 21 316.3 317.9 295.0 342.7 8.40 10 641 3868 7.8 1.8 66 6.0 4.4 341 20 319.1 320.4 294.5 340.8 6.82 11 559 4986 2.4 -14.6 27 17.0 -4.6 305 12 325.4 325.9 292.5 332.9 2.20 12 519 5583 -1.1 -10.1 50 9.0 -5.2 285 7 328.2 328.9 294.3 339.8 3.42 13 500 5880 -2.7 -11.7 50 9.0 -6.6 275 5 329.7 330.4 294.4 340.4 3.12 14 498 5912 -2.9 -11.9 50 9.0 -6.8 275 5 329.9 330.5 294.4 340.4 3.09 15 481 6186 -4.1 -23.1 21 19.0 -10.3 278 5 331.7 331.9 293.3 336.1 1.24 16 479 6219 -3.7 -36.7 6 33.0 -11.5 278 5 332.6 332.7 292.7 333.9 0.34 17 478 6235 -3.9 -29.9 11 26.0 -11.1 278 5 332.5 332.7 293.0 335.0 0.67 18 421 7220 -12.1 -20.1 51 8.0 -14.7 287 7 334.3 334.7 294.6 340.9 1.84 19 409 7441 -12.7 -30.7 21 18.0 -17.1 289 7 336.3 336.5 294.1 339.0 0.72 20 400 7610 -13.9 -22.9 47 9.0 -16.7 290 7 336.9 337.2 294.9 342.4 1.52 21 395 7706 -14.1 -30.1 24 16.0 -18.1 290 7 337.9 338.0 294.5 340.9 0.79 22 390 7803 -14.5 -25.5 39 11.0 -17.6 291 7 338.6 338.8 295.1 343.1 1.23 23 382 7960 -15.1 -29.1 29 14.0 -18.7 292 6 339.8 340.0 295.1 343.2 0.90 24 372 8161 -15.3 -45.3 6 30.0 -20.3 293 6 342.1 342.2 295.0 342.9 0.18 25 368 8242 -15.7 -43.7 7 28.0 -20.5 293 6 342.7 342.7 295.1 343.5 0.22 26 343 8770 -20.1 -32.1 33 12.0 -22.8 295 5 343.6 343.8 295.8 346.5 0.76 27 339 8857 -20.5 -42.5 12 22.0 -24.1 296 5 344.3 344.3 295.6 345.3 0.27 28 303 9678 -27.1 -37.1 38 10.0 -28.7 300 3 346.2 346.3 296.3 348.3 0.52 29 300 9750 -27.3 -40.3 28 13.0 -29.2 300 3 346.9 347.0 296.3 348.4 0.38 30 255 10894 -36.5 -52.5 18 16.0 -37.7 144 10 349.8 349.8 296.7 350.3 0.12 31 250 11030 -37.3 -49.3 28 12.0 -38.3 125 11 350.6 350.6 296.9 351.3 0.17 32 241 11282 -39.9 -49.9 34 10.0 -40.6 119 11 350.4 350.4 296.8 351.1 0.17 33 232 11541 -41.9 -53.9 26 12.0 -42.6 113 11 351.2 351.2 297.0 351.7 0.11 34 200 12530 -49.9 -63.9 18 14.0 -50.3 90 11 353.8 353.8 297.5 353.9 0.04 35 178 13283 -55.5 -72.5 10 17.0 -55.8 86 16 356.6 356.6 298.0 356.6 0.01 36 150 14350 -65.3 -76.3 20 11.0 -65.4 80 23 357.6 357.6 298.2 357.6 0.01 37 138 14852 -69.9 -75.9 41 6.0 -69.9 81 23 358.1 358.1 298.3 358.2 0.01 38 125 15434 -73.9 -84.9 17 11.0 -73.9 82 24 361.1 361.1 298.9 361.2 0.00 39 100 16700 -84.9 -89.4 44 4.5 -84.9 85 25 363.7 363.7 299.4 363.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 531.57 mb = 5395.42 m = 17701.28 ft Wetbulb zero: 600.90 mb = 4395.55 m = 14420.91 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 73.10 % Est. max temperature: 31.48 C = 88.66 F Sfc-Lift cond lev (LCL): 949.46 mb = 539.99 m = 1771.58 ft T: 22.03 C 700-500 lapse rate: 4.78 C/km ThetaE index: 11.63 C Layer 700.0- 519.0 mb Conv cond level (CCL): 911.23 mb = 897.30 m = 2943.87 ft Mean mixing ratio: 16.20 g/kg Conv temperature: 28.53 C = 83.36 F Cap Strength: 1.62 C Lifted Index: 1.29 C Risk: Showers probable Lifted Index @300 mb: 2.68 C Lifted Index @700 mb: 0.60 C Showalter Index: 2.26 C Risk: Showers probable Total Totals Index: 38.70 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 18.60 C K Index: 33.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 241.80 Risk: None Energy Index: -0.82 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.15 J/kg Max Up Vert Vel: 4.04 m/s Conv Inhibition (B-): 9.63 J/kg Cap Strength: 1.58 C Lift Cond Lev (LCL): 927.68 mb = 742.88 m = 2437.22 ft Lev Free Conv (LFC): 832.68 mb = 1672.71 m = 5487.83 ft Equ Level (EL): 782.68 mb = 2197.56 m = 7209.77 ft B at Equ Level: 7.98 J/kg Max Parcel Lev (MPL): 712.68 mb = 2987.62 m = 9801.77 ft Wind level data Storm motion: 21 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 7 355 7 0.6 -7.0 | 220 9 6.0 7.2 1 1000 85 345 23 6.0 -22.2 | 305 14 11.4 -8.1 2 925 768 345 33 8.5 -31.9 | 322 23 14.0 -17.7 3 850 1497 345 23 6.0 -22.2 | 305 14 11.4 -8.1 4 700 3139 5 25 -2.2 -24.9 | 343 11 3.2 -10.8 5 500 5880 275 5 5.0 -0.4 | 217 17 10.4 13.7 6 400 7610 290 7 6.6 -2.4 | 226 17 12.0 11.7 7 300 9750 300 3 2.6 -1.5 | 212 15 8.0 12.6 8 250 11030 125 11 -9.0 6.3 | 170 21 -3.6 20.4 9 200 12530 90 11 -11.0 0.0 | 158 15 -5.6 14.1 10 150 14350 80 23 -22.7 -4.0 | 120 20 -17.2 10.1 11 100 16700 85 25 -24.9 -2.2 | 122 23 -19.5 12.0 Wind Parameters Mean winds (0-6000m): 351.0 at 20.2 knts Storm direction: 21.0 at 15.1 knts Shear (0-3000m) pos: 1.7 neg: 3.9 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 119.5 deg Storm rel helicity (0-3000m) pos: 81.0 neg: -22.1 tot: 58.9 m^2/s^2 ave: 19.6 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.78 Bulk Shear: 2.93 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 ------------------------------------------------------------------------------- 500 345 24 309 15| 0.0 23.0 23.0| 48.9 0.0 48.9 97.8 0.86| 24.9 21.5 1000 345 28 315 18| 0.0 11.8 11.8| 56.6 -6.5 50.2 50.2 0.70| 15.6 10.9 1500 345 27 315 17| 2.3 7.8 10.1| 56.6 -22.1 34.5 23.0 0.47| 12.7 6.0 2000 346 26 314 16| 1.7 5.9 7.6| 64.9 -22.1 42.8 21.4 0.50| 10.2 5.1 2500 347 26 315 16| 1.6 4.7 6.3| 73.0 -22.1 50.9 20.4 0.53| 8.7 4.6 3000 350 26 318 15| 1.7 3.9 5.6| 81.0 -22.1 58.9 19.6 0.56| 7.7 4.3 4000 351 25 318 14| 1.3 2.7 4.0| 82.6 -59.9 22.7 5.7 0.23| 7.4 1.7 5000 349 23 311 13| 1.0 1.9 2.9| 82.6-102.7 -20.1 -4.0 0.04| 7.1 0.3 6000 351 20 304 10| 0.9 1.2 2.0| 83.3-137.0 -53.7 -9.0 -0.06| 6.6 -0.4 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251021.12.gif