UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103100.upa.cvt Date: 0000Z 31 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 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 25.8 25.0 95 0.8 25.2 355 1 297.8 301.5 298.0 356.2 20.06 1 1000 120 25.2 24.5 96 0.7 24.7 340 1 298.4 301.9 297.8 355.8 19.71 2 925 804 21.0 21.0 100 0.0 21.0 115 7 300.8 303.9 296.9 351.2 17.17 3 850 1535 17.6 17.4 99 0.2 17.5 100 11 304.6 307.3 296.4 348.9 14.87 4 807 1978 15.2 15.2 100 0.0 15.2 101 12 306.6 309.1 296.1 347.4 13.59 5 758 2510 14.2 12.5 90 1.7 13.1 103 12 311.0 313.3 296.2 348.1 12.11 6 700 3181 11.2 7.8 80 3.4 9.0 105 13 314.9 316.7 295.4 344.6 9.54 7 651 3784 8.4 3.4 71 5.0 5.5 111 12 318.3 319.8 294.8 342.2 7.53 8 530 5449 -2.5 -5.3 81 2.8 -3.9 130 8 324.5 325.5 294.4 340.6 4.87 9 522 5570 -2.9 -7.5 71 4.6 -5.1 131 8 325.5 326.3 294.1 339.4 4.17 10 520 5600 -3.1 -5.1 86 2.0 -4.1 132 8 325.6 326.6 294.8 342.2 5.04 11 518 5631 -3.1 -8.1 68 5.0 -5.4 132 8 325.9 326.7 294.1 339.3 4.01 12 506 5816 -4.3 -10.3 63 6.0 -7.0 134 7 326.7 327.4 293.9 338.3 3.45 13 500 5910 -4.9 -9.9 68 5.0 -7.1 135 7 327.1 327.8 294.1 339.2 3.61 14 491 6053 -5.9 -8.4 82 2.5 -7.1 133 8 327.5 328.4 294.7 341.4 4.14 15 460 6563 -7.3 -17.3 45 10.0 -11.0 124 11 332.0 332.4 294.2 339.5 2.14 16 456 6631 -7.9 -13.9 62 6.0 -10.4 123 12 332.0 332.6 294.8 342.0 2.86 17 436 6978 -9.9 -13.4 76 3.5 -11.3 117 14 333.8 334.4 295.4 344.6 3.12 18 423 7212 -10.5 -16.5 61 6.0 -12.8 113 16 335.9 336.4 295.4 344.7 2.49 19 400 7640 -13.7 -20.7 55 7.0 -16.0 105 19 337.2 337.6 295.2 343.8 1.84 20 389 7852 -14.9 -23.9 46 9.0 -17.6 103 19 338.3 338.6 295.1 343.5 1.43 21 381 8009 -16.1 -20.8 67 4.7 -17.6 101 19 338.7 339.1 295.7 345.7 1.91 22 347 8709 -20.9 -28.9 49 8.0 -22.8 93 20 341.4 341.6 295.6 345.2 1.01 23 329 9101 -23.9 -27.6 71 3.7 -24.8 88 20 342.5 342.8 296.0 347.0 1.20 24 300 9770 -28.7 -35.7 51 7.0 -29.9 80 21 344.9 345.1 296.0 347.3 0.61 25 297 9841 -29.1 -36.1 51 7.0 -30.3 81 21 345.4 345.5 296.1 347.7 0.59 26 250 11040 -39.1 -46.1 47 7.0 -39.7 90 21 347.9 348.0 296.4 348.9 0.24 27 223 11814 -45.3 -57.3 25 12.0 -45.9 95 21 350.0 350.0 296.7 350.3 0.07 28 200 12530 -51.9 -61.9 29 10.0 -52.2 100 21 350.6 350.6 296.8 350.8 0.05 29 197 12628 -52.7 -61.7 33 9.0 -52.9 98 21 350.8 350.8 296.8 351.0 0.05 30 183 13099 -56.9 -62.9 47 6.0 -57.1 91 22 351.5 351.5 297.0 351.7 0.04 31 177 13310 -58.3 -68.3 27 10.0 -58.5 87 22 352.5 352.6 297.2 352.6 0.02 32 150 14330 -67.3 -69.4 74 2.1 -67.3 70 23 354.2 354.2 297.5 354.2 0.02 33 141 14699 -70.5 -71.7 84 1.2 -70.5 77 24 354.9 354.9 297.7 354.9 0.02 34 132 15086 -74.3 -76.4 73 2.1 -74.3 84 24 354.8 354.8 297.7 354.9 0.01 35 100 16660 -84.3 -87.7 55 3.4 -84.3 115 27 364.9 364.9 299.6 364.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 557.75 mb = 5067.15 m = 16624.31 ft Wetbulb zero: 580.41 mb = 4713.17 m = 15462.98 ft Precipitable water: 2.54 inches Sfc-500 mean rel hum: 85.30 % Est. max temperature: 31.88 C = 89.38 F Sfc-Lift cond lev (LCL): 1001.78 mb = 104.42 m = 342.59 ft T: 25.28 C 700-500 lapse rate: 5.90 C/km ThetaE index: 8.78 C Layer 700.0- 520.0 mb Conv cond level (CCL): 954.30 mb = 530.43 m = 1740.24 ft Mean mixing ratio: 18.44 g/kg Conv temperature: 27.77 C = 81.99 F Cap Strength: 0.11 C Lifted Index: -3.22 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.24 C Lifted Index @700 mb: -0.36 C Showalter Index: -1.58 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 22.30 C K Index: 36.50 Risk: > 80 % chance of thunderstorms Sweat Index: 237.80 Risk: None Energy Index: -1.95 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 840.52 J/kg Max Up Vert Vel: 41.00 m/s Conv Inhibition (B-): 0.07 J/kg Cap Strength: 0.11 C Lift Cond Lev (LCL): 958.16 mb = 495.02 m = 1624.06 ft Lev Free Conv (LFC): 943.16 mb = 633.46 m = 2078.25 ft Equ Level (EL): 153.16 mb = 14201.65 m = 46592.79 ft B at Equ Level: 835.32 J/kg Wind level data Storm motion: 140 at 7 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 7 355 1 0.1 -1.0 | 324 8 4.7 -6.5 1 1000 120 340 1 0.3 -0.9 | 322 8 5.0 -6.4 2 925 804 115 7 -6.3 3.0 | 34 3 -1.7 -2.5 3 850 1535 100 11 -10.8 1.9 | 60 7 -6.2 -3.6 4 700 3181 105 13 -12.6 3.4 | 75 8 -7.9 -2.1 5 500 5910 135 7 -4.9 4.9 | 31 1 -0.3 -0.5 6 400 7640 105 19 -18.4 4.9 | 88 14 -13.7 -0.6 7 300 9770 80 21 -20.7 -3.6 | 60 18 -16.0 -9.1 8 250 11040 90 21 -21.0 0.0 | 71 17 -16.4 -5.5 9 200 12530 100 21 -20.7 3.6 | 83 16 -16.0 -1.8 10 150 14330 70 23 -21.6 -7.9 | 52 22 -17.0 -13.3 11 100 16660 115 27 -24.5 11.4 | 107 21 -19.8 5.9 Wind Parameters Mean winds (0-6000m): 109.8 at 9.6 knts Storm direction: 139.8 at 7.2 knts Shear (0-3000m) pos: 1.8 neg: 0.6 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 109.7 deg Storm rel helicity (0-3000m) pos: 22.0 neg: -0.4 tot: 21.6 m^2/s^2 ave: 7.2 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 2.1 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 77.13 Bulk Shear: 10.90 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 39 2 336 8| 4.1 0.0 4.1| 10.3 -0.4 9.9 19.8 0.84| 5.3 4.5 1000 109 4 353 4| 4.4 0.0 4.4| 17.1 -0.4 16.7 16.7 0.72| 6.6 4.7 1500 106 6 18 4| 2.9 1.1 4.0| 18.4 -0.4 17.9 12.0 0.64| 5.5 3.5 2000 104 7 34 4| 2.4 0.8 3.2| 19.5 -0.4 19.1 9.5 0.64| 4.3 2.8 2500 103 8 44 5| 2.1 0.7 2.7| 20.7 -0.4 20.3 8.1 0.65| 3.6 2.3 3000 104 9 51 5| 1.8 0.6 2.4| 22.0 -0.4 21.6 7.2 0.66| 3.1 2.1 4000 105 10 59 6| 1.2 0.4 1.7| 23.7 -0.4 23.3 5.8 0.61| 2.7 1.7 5000 108 10 62 5| 0.9 0.3 1.2| 24.1 -0.5 23.6 4.7 0.55| 2.5 1.3 6000 110 10 63 5| 0.7 0.3 0.9| 24.2 -0.7 23.4 3.9 0.47| 2.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251031.00.gif