UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 12 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 27.8 24.6 83 3.2 25.4 15 3 300.2 303.8 298.3 357.9 19.65 1 1000 82 27.4 24.0 82 3.4 24.9 10 7 300.5 304.0 298.1 356.8 19.11 2 925 770 22.8 20.6 87 2.2 21.2 50 3 302.6 305.7 297.1 352.2 16.74 3 850 1504 18.6 16.8 89 1.8 17.4 50 5 305.6 308.3 296.3 348.5 14.31 4 815 1865 16.4 15.5 94 0.9 15.8 51 6 307.0 309.6 296.3 348.3 13.72 5 702 3127 10.8 6.0 72 4.8 7.9 55 11 314.2 315.8 294.4 340.3 8.39 6 700 3151 10.8 6.3 74 4.5 8.0 55 11 314.4 316.1 294.6 341.2 8.59 7 594 4501 3.0 2.2 94 0.8 2.5 65 9 320.5 322.0 295.4 344.8 7.58 8 544 5210 -0.5 -3.3 81 2.8 -2.0 70 8 324.5 325.6 295.0 342.6 5.52 9 536 5328 -1.1 -8.1 59 7.0 -4.4 71 8 325.2 325.9 293.9 338.1 3.88 10 533 5373 -1.5 -4.3 81 2.8 -2.9 71 8 325.2 326.2 294.9 342.4 5.23 11 522 5539 -2.5 -4.3 87 1.8 -3.4 72 8 326.0 327.0 295.2 343.6 5.34 12 510 5723 -3.5 -5.0 89 1.5 -4.3 74 7 326.9 327.9 295.3 344.1 5.18 13 504 5817 -3.9 -8.2 72 4.3 -5.9 75 7 327.5 328.4 294.6 341.3 4.09 14 503 5833 -3.9 -9.9 63 6.0 -6.6 75 7 327.7 328.4 294.3 339.8 3.59 15 501 5864 -3.7 -18.7 30 15.0 -9.1 75 7 328.3 328.7 292.9 334.4 1.74 16 500 5880 -3.7 -11.7 54 8.0 -7.1 75 7 328.5 329.2 294.1 339.2 3.12 17 494 5975 -4.5 -8.1 76 3.6 -6.2 75 7 328.7 329.5 295.0 342.8 4.21 18 490 6039 -4.5 -15.5 42 11.0 -8.8 75 7 329.5 329.9 293.7 337.5 2.34 19 475 6283 -5.9 -10.9 68 5.0 -8.1 75 7 330.7 331.4 295.0 342.6 3.51 20 453 6653 -7.7 -16.7 48 9.0 -11.1 75 7 332.9 333.4 294.6 340.9 2.29 21 451 6688 -8.3 -12.5 72 4.2 -10.1 75 7 332.6 333.2 295.2 343.8 3.25 22 439 6897 -9.1 -19.1 44 10.0 -12.6 75 7 334.1 334.5 294.6 341.0 1.92 23 432 7021 -10.1 -16.1 61 6.0 -12.4 75 7 334.4 334.9 295.1 343.3 2.52 24 425 7147 -10.5 -23.5 34 13.0 -14.5 75 7 335.5 335.7 294.4 340.4 1.35 25 400 7610 -13.9 -22.9 47 9.0 -16.7 75 7 336.9 337.2 294.9 342.4 1.52 26 391 7783 -15.1 -23.1 50 8.0 -17.5 75 7 337.6 337.9 295.1 343.1 1.52 27 385 7900 -15.9 -29.9 29 14.0 -19.3 75 7 338.0 338.2 294.6 341.1 0.83 28 379 8019 -16.9 -29.9 31 13.0 -20.0 75 7 338.2 338.4 294.7 341.4 0.84 29 370 8199 -18.1 -21.1 77 3.0 -19.0 75 8 338.9 339.3 295.7 345.9 1.92 30 368 8240 -18.3 -25.3 54 7.0 -20.2 75 8 339.2 339.5 295.3 344.1 1.33 31 365 8301 -18.7 -23.1 68 4.4 -20.0 75 8 339.5 339.8 295.6 345.4 1.63 32 358 8446 -19.3 -27.3 49 8.0 -21.4 75 8 340.5 340.8 295.4 344.8 1.14 33 336 8915 -23.1 -27.8 65 4.7 -24.2 75 8 341.6 341.8 295.7 345.9 1.16 34 331 9025 -23.3 -36.3 29 13.0 -25.6 75 8 342.8 342.9 295.4 344.8 0.52 35 328 9092 -23.7 -32.7 43 9.0 -25.5 75 8 343.1 343.3 295.7 346.0 0.75 36 326 9137 -23.7 -37.7 26 14.0 -26.1 75 8 343.7 343.8 295.6 345.5 0.46 37 311 9480 -26.7 -36.7 38 10.0 -28.4 75 9 344.2 344.3 295.8 346.3 0.53 38 308 9550 -27.1 -45.1 16 18.0 -29.4 75 9 344.6 344.6 295.6 345.5 0.22 39 300 9740 -28.5 -42.5 25 14.0 -30.4 75 9 345.2 345.3 295.8 346.4 0.30 40 283 10156 -31.5 -45.5 24 14.0 -33.1 85 10 346.7 346.8 296.1 347.7 0.23 41 275 10358 -33.5 -44.5 32 11.0 -34.7 89 11 346.7 346.7 296.1 347.8 0.27 42 274 10384 -33.7 -39.7 55 6.0 -34.5 90 11 346.8 346.8 296.3 348.5 0.44 43 270 10487 -34.3 -49.3 20 15.0 -35.7 92 11 347.3 347.4 296.2 348.0 0.16 44 254 10911 -38.3 -47.3 38 9.0 -39.1 102 13 347.5 347.6 296.3 348.4 0.21 45 250 11020 -39.1 -51.1 27 12.0 -39.9 105 13 347.9 348.0 296.3 348.5 0.14 46 231 11554 -43.9 -57.9 20 14.0 -44.6 112 14 348.6 348.6 296.4 348.9 0.07 47 230 11583 -43.9 -48.2 62 4.3 -44.2 112 14 349.0 349.1 296.6 349.9 0.21 48 212 12121 -48.7 -52.0 68 3.3 -48.8 120 14 349.8 349.8 296.7 350.4 0.15 49 203 12404 -51.1 -54.1 70 3.0 -51.2 124 15 350.4 350.4 296.8 350.9 0.12 50 200 12500 -51.7 -57.7 49 6.0 -51.9 125 15 350.9 350.9 296.9 351.2 0.08 51 198 12565 -52.1 -59.1 43 7.0 -52.3 125 15 351.3 351.3 297.0 351.6 0.07 52 195 12664 -53.3 -57.9 57 4.6 -53.4 124 15 350.9 350.9 296.9 351.2 0.08 53 192 12764 -54.1 -68.1 16 14.0 -54.4 124 14 351.2 351.2 296.9 351.3 0.02 54 182 13105 -57.5 -65.5 35 8.0 -57.6 122 14 351.1 351.1 296.9 351.2 0.03 55 177 13281 -58.9 -60.9 78 2.0 -58.9 121 13 351.6 351.6 297.0 351.8 0.06 56 166 13681 -62.7 -64.7 77 2.0 -62.7 119 12 351.7 351.7 297.0 351.9 0.04 57 160 13907 -64.1 -70.1 44 6.0 -64.1 117 12 353.1 353.1 297.3 353.2 0.02 58 150 14300 -67.7 -72.7 49 5.0 -67.7 115 11 353.5 353.5 297.4 353.5 0.01 59 100 16650 -80.3 -84.3 51 4.0 -80.3 110 29 372.6 372.6 301.0 372.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 551.14 mb = 5108.57 m = 16760.18 ft Wetbulb zero: 565.86 mb = 4892.39 m = 16050.96 ft Precipitable water: 2.44 inches Sfc-500 mean rel hum: 84.66 % Est. max temperature: 32.89 C = 91.20 F Sfc-Lift cond lev (LCL): 963.72 mb = 408.09 m = 1338.87 ft T: 25.22 C 700-500 lapse rate: 5.31 C/km ThetaE index: 17.57 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 892.48 mb = 1080.67 m = 3545.46 ft Mean mixing ratio: 17.81 g/kg Conv temperature: 31.53 C = 88.76 F Cap Strength: 1.03 C Lifted Index: -2.25 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.39 C Lifted Index @700 mb: -0.94 C Showalter Index: -0.20 C Risk: Thunderstorms probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 20.50 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 218.60 Risk: None Energy Index: -1.85 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1006.89 J/kg Max Up Vert Vel: 44.88 m/s Conv Inhibition (B-): 11.53 J/kg Cap Strength: 1.03 C Lift Cond Lev (LCL): 921.41 mb = 803.78 m = 2637.04 ft Lev Free Conv (LFC): 856.41 mb = 1438.81 m = 4720.45 ft Equ Level (EL): 146.41 mb = 14440.50 m = 47376.40 ft B at Equ Level: 1000.13 J/kg Wind level data Storm motion: 86 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 1009 7 15 3 -0.8 -2.9 | 297 6 4.9 -2.5 1 1000 82 10 7 -1.2 -6.9 | 326 8 4.5 -6.5 2 925 770 50 3 -2.3 -1.9 | 295 4 3.4 -1.6 3 850 1504 50 5 -3.8 -3.2 | 327 3 1.9 -2.9 4 700 3151 55 11 -9.0 -6.3 | 29 7 -3.3 -6.0 5 500 5880 75 7 -6.8 -1.8 | 36 2 -1.1 -1.5 6 400 7610 75 7 -6.8 -1.8 | 36 2 -1.1 -1.5 7 300 9740 75 9 -8.7 -2.3 | 57 4 -3.0 -2.0 8 250 11020 105 13 -12.6 3.4 | 118 8 -6.9 3.7 9 200 12500 125 15 -12.3 8.6 | 144 11 -6.6 9.0 10 150 14300 115 11 -10.0 4.6 | 140 7 -4.3 5.0 11 100 16650 110 29 -27.3 9.9 | 115 24 -21.6 10.3 Wind Parameters Mean winds (0-6000m): 56.4 at 7.6 knts Storm direction: 86.4 at 5.7 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 89.1 deg Storm rel helicity (0-3000m) pos: 12.3 neg: -2.7 tot: 9.6 m^2/s^2 ave: 3.2 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 345.33 Bulk Shear: 2.92 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 18 6 322 6| 2.0 0.0 2.0| 5.4 -1.1 4.2 8.5 0.35| 7.4 2.6 1000 26 5 316 5| 1.1 0.0 1.1| 5.9 -2.7 3.2 3.2 0.16| 4.9 0.8 1500 34 5 317 5| 1.1 0.0 1.1| 7.1 -2.7 4.4 2.9 0.26| 3.7 1.0 2000 39 5 322 4| 1.2 0.0 1.2| 8.8 -2.7 6.0 3.0 0.36| 3.3 1.2 2500 43 5 331 4| 1.3 0.0 1.3| 10.5 -2.7 7.8 3.1 0.42| 3.0 1.3 3000 46 6 342 4| 1.4 0.0 1.4| 12.3 -2.7 9.6 3.2 0.45| 2.8 1.3 4000 50 7 358 4| 1.0 0.0 1.0| 13.5 -2.7 10.8 2.7 0.44| 2.4 1.0 5000 54 8 6 4| 0.7 0.0 0.7| 13.8 -2.7 11.1 2.2 0.41| 2.1 0.9 6000 56 8 10 4| 0.5 0.0 0.5| 13.9 -2.7 11.1 1.9 0.38| 1.9 0.7 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251012.12.gif