UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103112.upa.cvt Date: 1200Z 31 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 31 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 1013 7 25.0 24.5 97 0.5 24.6 235 1 297.1 300.6 297.4 353.4 19.45 1 1000 119 24.4 23.7 96 0.7 23.9 210 3 297.5 300.9 297.1 352.0 18.76 2 989 216 23.6 23.6 100 0.0 23.6 197 5 297.7 301.1 297.1 352.4 18.86 3 925 802 21.4 21.3 99 0.1 21.3 120 17 301.2 304.4 297.2 352.7 17.50 4 850 1534 18.0 17.5 97 0.5 17.7 110 19 305.0 307.8 296.5 349.7 14.97 5 785 2214 14.8 14.8 100 0.0 14.8 110 16 308.6 311.2 296.6 349.8 13.61 6 757 2522 14.0 13.0 94 1.0 13.3 110 14 310.9 313.3 296.5 349.3 12.54 7 747 2634 13.8 8.8 72 5.0 10.6 110 14 311.9 313.7 294.7 341.4 9.56 8 700 3182 11.4 5.4 67 6.0 7.8 110 11 315.1 316.7 294.4 340.4 8.06 9 687 3339 11.0 4.0 62 7.0 6.9 110 12 316.4 317.8 294.3 339.8 7.44 10 683 3388 11.0 4.0 62 7.0 6.9 110 12 316.9 318.3 294.4 340.5 7.49 11 532 5428 -1.9 -2.0 99 0.1 -2.0 106 19 324.9 326.1 295.6 345.3 6.22 12 500 5920 -4.1 -4.9 94 0.8 -4.5 105 21 328.0 329.1 295.7 345.8 5.32 13 403 7593 -12.9 -14.8 86 1.9 -13.6 62 11 337.5 338.1 296.2 348.1 3.01 14 400 7650 -13.5 -15.1 88 1.6 -14.1 60 11 337.4 338.1 296.1 347.9 2.96 15 320 9313 -24.5 -27.4 77 2.9 -25.2 72 16 344.4 344.7 296.4 349.2 1.26 16 300 9780 -28.3 -30.4 82 2.1 -28.7 75 17 345.5 345.7 296.5 349.4 1.02 17 294 9925 -29.7 -31.6 83 1.9 -30.0 78 16 345.5 345.7 296.4 349.0 0.92 18 250 11060 -38.9 -41.9 73 3.0 -39.2 105 5 348.2 348.3 296.6 349.8 0.39 19 222 11864 -45.9 -50.2 62 4.3 -46.2 132 7 349.5 349.5 296.7 350.2 0.17 20 216 12046 -47.7 -53.7 50 6.0 -48.0 138 8 349.5 349.5 296.6 350.0 0.12 21 205 12389 -50.3 -61.3 26 11.0 -50.7 149 9 350.6 350.6 296.8 350.8 0.05 22 200 12550 -51.7 -59.7 38 8.0 -52.0 155 9 350.9 350.9 296.9 351.2 0.06 23 191 12845 -54.7 -60.7 47 6.0 -54.9 145 11 350.7 350.7 296.8 351.0 0.06 24 181 13185 -57.9 -64.9 40 7.0 -58.0 132 12 351.0 351.0 296.8 351.1 0.03 25 152 14260 -66.1 -79.1 15 13.0 -66.2 93 19 354.9 354.9 297.7 354.9 0.01 26 150 14340 -66.5 -78.5 17 12.0 -66.6 90 19 355.5 355.5 297.8 355.6 0.01 27 134 15014 -72.5 -80.5 29 8.0 -72.5 83 17 356.5 356.5 298.0 356.5 0.00 28 100 16690 -83.7 -89.7 34 6.0 -83.7 65 13 366.0 366.0 299.8 366.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 554.24 mb = 5127.05 m = 16820.84 ft Wetbulb zero: 565.66 mb = 4926.58 m = 16163.11 ft Precipitable water: 2.62 inches Sfc-500 mean rel hum: 87.74 % Est. max temperature: 32.29 C = 90.13 F Sfc-Lift cond lev (LCL): 1006.14 mb = 65.94 m = 216.34 ft T: 24.68 C 700-500 lapse rate: 5.66 C/km ThetaE index: 10.01 C Layer 757.0- 683.0 mb Conv cond level (CCL): 959.50 mb = 481.44 m = 1579.52 ft Mean mixing ratio: 18.25 g/kg Conv temperature: 27.23 C = 81.01 F Cap Strength: 0.61 C Lifted Index: -2.07 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.37 C Lifted Index @700 mb: 0.07 C Showalter Index: -1.04 C Risk: Thunderstorms probable Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.60 C K Index: 33.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 269.00 Risk: None Energy Index: -0.86 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 565.68 J/kg Max Up Vert Vel: 33.64 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.57 C Lift Cond Lev (LCL): 960.50 mb = 472.35 m = 1549.68 ft Lev Free Conv (LFC): 955.50 mb = 518.03 m = 1699.57 ft Equ Level (EL): 945.50 mb = 610.14 m = 2001.73 ft B at Equ Level: 18.95 J/kg Wind level data Storm motion: 140 at 11 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 1013 7 235 1 0.8 0.6 | 315 11 8.1 -8.2 1 1000 119 210 3 1.5 2.6 | 305 11 8.8 -6.1 2 925 802 120 17 -14.7 8.5 | 88 7 -7.5 -0.2 3 850 1534 110 19 -17.9 6.5 | 78 11 -10.6 -2.2 4 700 3182 110 11 -10.3 3.8 | 32 6 -3.1 -5.0 5 500 5920 105 21 -20.3 5.4 | 76 13 -13.0 -3.3 6 400 7650 60 11 -9.5 -5.5 | 9 14 -2.3 -14.2 7 300 9780 75 17 -16.4 -4.4 | 35 16 -9.2 -13.1 8 250 11060 105 5 -4.8 1.3 | 342 8 2.4 -7.4 9 200 12550 155 9 -3.8 8.2 | 279 3 3.4 -0.6 10 150 14340 90 19 -19.0 0.0 | 53 15 -11.7 -8.7 11 100 16690 65 13 -11.8 -5.5 | 18 15 -4.5 -14.2 Wind Parameters Mean winds (0-6000m): 110.3 at 15.1 knts Storm direction: 140.3 at 11.3 knts Shear (0-3000m) pos: 0.0 neg: 2.1 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 84.5 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -41.8 tot: -41.8 m^2/s^2 ave: -13.9 10^-3 m/s^2 rel: -0.72 Storm rel vorticity (0-3000m) horiz: 6.0 stream: -4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 23.60 Bulk Shear: 23.97 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 ------------------------------------------------------------------------------- 500 173 6 294 7| 0.0 11.1 11.1| 0.0 -20.2 -20.2 -40.4 -0.75| 12.8 -9.6 1000 127 11 26 3| 0.0 9.3 9.3| 0.0 -28.0 -28.0 -28.0 -0.75| 13.0 -9.7 1500 120 13 63 5| 0.0 6.7 6.7| 0.0 -30.8 -30.8 -20.6 -0.72| 9.6 -6.9 2000 117 14 68 6| 0.0 4.4 4.4| 0.0 -34.5 -34.5 -17.2 -0.71| 7.8 -5.5 2500 115 15 67 6| 0.0 3.1 3.1| 0.0 -38.1 -38.1 -15.3 -0.71| 6.7 -4.8 3000 115 14 64 6| 0.0 2.1 2.1| 0.0 -41.8 -41.8 -13.9 -0.72| 6.0 -4.3 4000 113 14 59 6| 0.0 1.9 1.9| 4.3 -43.0 -38.7 -9.7 -0.61| 5.0 -3.0 5000 112 14 60 7| 0.0 1.9 1.9| 9.3 -43.0 -33.6 -6.7 -0.50| 4.4 -2.2 6000 110 15 63 8| 0.0 1.8 1.8| 13.5 -46.3 -32.9 -5.5 -0.45| 4.0 -1.8 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251031.12.gif