UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for VTUU... Searching the city database file for: VTUU ... Date:0000Z 17 OCT 25 Station: VTUU WMO ident: 48407 Latitude: 15.25 Longitude: 104.87 Elevation: 127.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 88 0 0 SFC 996 127 24.0 22.1 89 1.9 22.6 0 0 297.5 300.6 296.0 346.9 17.05 2 995 136 23.8 18.8 74 5.0 20.4 0 1 297.4 299.9 293.7 337.5 13.85 3 972 339 23.4 17.4 69 6.0 19.3 5 25 299.0 301.3 293.5 336.8 12.97 4 963 420 24.8 15.8 57 9.0 18.8 17 21 301.2 303.3 293.3 335.9 11.80 5 925 771 23.2 14.2 57 9.0 17.2 60 13 303.0 305.1 293.3 335.9 11.07 6 865 1355 21.4 12.4 56 9.0 15.5 107 6 307.0 309.0 294.0 338.8 10.52 7 850 1506 20.2 11.2 56 9.0 14.4 110 5 307.3 309.2 293.6 337.2 9.88 8 789 2144 15.4 8.4 63 7.0 11.1 95 13 308.8 310.4 293.2 335.6 8.80 9 700 3152 10.2 2.2 58 8.0 5.7 80 14 313.8 315.0 292.7 333.9 6.42 10 638 3917 6.6 -3.4 49 10.0 1.5 89 15 318.1 319.0 292.6 333.2 4.67 11 553 5072 -1.3 -8.3 59 7.0 -4.5 107 18 322.0 322.8 292.9 334.2 3.70 12 537 5306 -1.3 -11.3 46 10.0 -5.6 109 17 324.8 325.3 293.0 334.8 3.00 13 500 5870 -5.3 -11.3 63 6.0 -7.8 115 15 326.6 327.2 293.7 337.5 3.23 14 400 7590 -14.7 -21.7 55 7.0 -16.9 120 9 335.9 336.2 294.8 341.9 1.69 15 336 8888 -23.9 -29.9 58 6.0 -25.2 71 10 340.5 340.7 295.3 344.1 0.95 16 333 8953 -24.3 -30.3 58 6.0 -25.6 68 10 340.8 341.0 295.3 344.3 0.92 17 318 9289 -25.1 -46.1 12 21.0 -27.8 60 12 344.2 344.3 295.5 345.0 0.19 18 316 9335 -25.3 -45.3 14 20.0 -27.9 60 12 344.6 344.6 295.6 345.4 0.21 19 300 9710 -28.5 -48.5 13 20.0 -30.7 60 17 345.2 345.2 295.7 345.9 0.16 20 260 10720 -38.1 -46.1 43 8.0 -38.8 55 15 345.5 345.6 295.8 346.5 0.24 21 250 10990 -40.1 -49.1 38 9.0 -40.8 55 13 346.4 346.5 296.0 347.2 0.18 22 214 12030 -49.3 -56.3 44 7.0 -49.6 76 4 347.9 347.9 296.3 348.3 0.09 23 200 12470 -52.9 -60.9 37 8.0 -53.1 20 4 349.0 349.0 296.4 349.2 0.05 24 183 13036 -57.3 -66.3 31 9.0 -57.5 313 7 350.8 350.8 296.8 350.9 0.03 25 150 14260 -67.3 -72.3 49 5.0 -67.4 265 11 354.2 354.2 297.5 354.2 0.01 26 117 15714 -78.9 -81.9 61 3.0 -78.9 355 9 358.8 358.8 298.5 358.8 0.00 27 100 16600 -81.5 -84.1 64 2.6 -81.5 60 11 370.3 370.3 300.6 370.3 0.00 28 89 17252 -82.9 -85.5 64 2.6 -82.9 380.0 380.0 302.2 380.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 566.99 mb = 4881.85 m = 16016.37 ft Wetbulb zero: 616.89 mb = 4188.73 m = 13742.38 ft Precipitable water: 1.64 inches Sfc-500 mean rel hum: 56.81 % Est. max temperature: 33.90 C = 93.02 F Sfc-Lift cond lev (LCL): 969.13 mb = 364.95 m = 1197.34 ft T: 23.84 C 700-500 lapse rate: 5.70 C/km ThetaE index: 11.02 C Layer 995.0- 865.0 mb Conv cond level (CCL): 719.12 mb = 2925.09 m = 9596.64 ft Mean mixing ratio: 11.84 g/kg Conv temperature: 39.15 C = 102.48 F Cap Strength: 5.68 C Lifted Index: 2.94 C Risk: None Lifted Index @300 mb: 7.69 C Lifted Index @700 mb: 3.62 C Showalter Index: 2.65 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 16.50 C K Index: 28.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 159.40 Risk: None Energy Index: 0.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.96 J/kg Max Up Vert Vel: 7.48 m/s Conv Inhibition (B-): 5062.76 J/kg Cap Strength: 5.68 C Lift Cond Lev (LCL): 840.09 mb = 1606.51 m = 5270.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 119 at 10 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 ---------------------------------------------------------- 0 996 127 0 0 -0.0 -0.0 | 299 10 8.9 -4.9 1 976 305 360 27 -0.0 -27.0 | 344 33 8.9 -31.9 2 942 610 45 11 -7.8 -7.8 | 355 13 1.2 -12.7 3 925 771 60 13 -11.3 -6.5 | 11 12 -2.3 -11.4 4 910 914 75 13 -12.6 -3.4 | 24 9 -3.6 -8.3 5 879 1219 105 7 -6.8 1.8 | 325 4 2.2 -3.1 6 850 1506 110 5 -4.7 1.7 | 307 5 4.2 -3.2 7 818 1829 95 9 -9.0 0.8 | 0 4 -0.0 -4.2 8 789 2134 95 13 -13.0 1.1 | 47 6 -4.0 -3.8 9 761 2438 80 8 -7.9 -1.4 | 351 6 1.1 -6.3 10 735 2743 75 11 -10.6 -2.8 | 12 8 -1.7 -7.8 11 700 3152 80 14 -13.8 -2.4 | 33 9 -4.9 -7.4 12 658 3658 85 16 -15.9 -1.4 | 48 9 -7.0 -6.3 13 610 4267 95 14 -13.9 1.2 | 53 6 -5.0 -3.7 14 565 4877 105 19 -18.4 4.9 | 90 9 -9.4 -0.0 15 500 5870 115 15 -13.6 6.3 | 107 5 -4.7 1.4 16 486 6096 120 16 -13.9 8.0 | 122 6 -4.9 3.1 17 400 7590 120 9 -7.8 4.5 | 291 1 1.1 -0.4 18 398 7620 120 9 -7.8 4.5 | 291 1 1.1 -0.4 19 324 9144 60 10 -8.7 -5.0 | 358 10 0.3 -9.9 20 300 9710 60 17 -14.7 -8.5 | 23 15 -5.8 -13.4 21 262 10668 55 15 -12.3 -8.6 | 14 14 -3.4 -13.5 22 250 10990 55 13 -10.6 -7.5 | 8 13 -1.7 -12.4 23 209 12192 80 2 -2.0 -0.3 | 307 9 7.0 -5.3 24 200 12470 20 4 -1.4 -3.8 | 319 12 7.6 -8.7 25 164 13716 230 11 8.4 7.1 | 263 17 17.4 2.1 26 150 14260 265 11 11.0 1.0 | 281 20 19.9 -4.0 27 127 15240 335 9 3.8 -8.2 | 316 18 12.7 -13.1 28 102 16459 30 10 -5.0 -8.7 | 344 14 3.9 -13.6 29 100 16600 60 11 -9.5 -5.5 | 3 10 -0.6 -10.4 Wind Parameters Mean winds (0-6000m): 89.0 at 13.6 knts Storm direction: 119.0 at 10.2 knts Shear (0-3000m) pos: 1.8 neg: 0.9 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 93.2 deg Storm rel helicity (0-3000m) pos: 139.5 neg: -16.7 tot: 122.8 m^2/s^2 ave: 40.9 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 14.1 stream: 4.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.55 Bulk Shear: 50.60 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 10 17 344 22| 11.5 0.0 11.5|104.4 -1.6 102.8 205.6 0.43| 47.9 20.7 1000 34 14 357 17| 4.5 0.0 4.5|120.2 -5.1 115.1 115.1 0.39| 30.3 11.8 1500 47 12 358 13| 2.2 0.0 2.2|121.4 -8.7 112.7 75.1 0.32| 22.0 7.0 2000 60 11 4 11| 1.7 1.7 3.4|128.6 -8.7 119.9 59.9 0.38| 18.3 6.9 2500 65 11 6 10| 1.3 1.0 2.4|131.3 -16.7 114.7 45.9 0.29| 16.1 4.7 3000 68 11 8 9| 1.8 0.9 2.6|139.5 -16.7 122.8 40.9 0.33| 14.1 4.6 4000 74 12 18 9| 1.5 0.7 2.2|146.9 -16.7 130.2 32.5 0.34| 11.2 3.8 5000 82 13 31 8| 1.7 0.5 2.2|158.0 -16.7 141.3 28.3 0.37| 9.7 3.6 6000 89 14 42 7| 1.3 0.4 1.8|162.6 -16.7 145.9 24.3 0.38| 8.6 3.3 Wrote GIF file: /home/apache/climate/data/raob//VTUU/skewt/VTUU.skewt.20251017.00.gif