UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 8 OCT 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 1010 19 25.4 24.6 95 0.8 24.8 120 3 297.7 301.3 297.7 354.8 19.63 1 1000 86 25.0 24.1 95 0.9 24.3 135 7 298.1 301.6 297.5 354.1 19.23 2 925 770 21.4 20.0 92 1.4 20.4 145 7 301.2 304.1 296.3 348.6 16.11 3 853 1473 19.2 16.6 85 2.6 17.4 111 3 306.0 308.6 296.2 348.1 14.07 4 851 1493 19.2 16.2 83 3.0 17.1 110 3 306.2 308.7 296.1 347.4 13.74 5 850 1503 19.2 16.2 83 3.0 17.1 110 3 306.3 308.8 296.1 347.6 13.76 6 746 2612 11.4 10.5 94 0.9 10.8 174 3 309.4 311.5 294.8 342.2 10.76 7 733 2760 13.6 8.6 72 5.0 10.4 182 3 313.4 315.2 295.1 343.2 9.62 8 700 3147 11.0 7.4 78 3.6 8.8 205 3 314.7 316.4 295.2 343.6 9.27 9 655 3699 5.8 5.8 100 0.0 5.8 179 7 314.8 316.5 294.9 342.5 8.87 10 594 4498 2.4 2.4 100 0.0 2.4 142 12 319.8 321.3 295.4 344.4 7.69 11 500 5880 -4.1 -4.4 98 0.3 -4.3 75 21 328.0 329.1 295.8 346.4 5.53 12 490 6039 -4.7 -5.1 97 0.4 -4.9 75 22 329.2 330.3 296.0 347.1 5.35 13 461 6515 -8.9 -10.5 88 1.6 -9.6 77 23 329.8 330.5 294.9 342.4 3.73 14 445 6788 -11.9 -20.9 47 9.0 -14.7 78 24 329.3 329.7 293.1 335.0 1.62 15 441 6857 -12.1 -18.1 61 6.0 -14.2 78 24 329.9 330.3 293.6 337.2 2.09 16 438 6909 -10.5 -12.0 89 1.5 -11.1 78 25 332.6 333.3 295.4 344.6 3.48 17 426 7122 -13.3 -21.3 51 8.0 -15.8 79 25 331.7 332.0 293.7 337.5 1.64 18 416 7302 -14.1 -36.1 14 22.0 -18.6 79 26 332.9 333.0 292.9 334.5 0.42 19 412 7376 -14.1 -35.1 15 21.0 -18.5 79 26 333.8 333.9 293.2 335.6 0.47 20 400 7600 -14.5 -36.5 14 22.0 -19.0 80 27 336.1 336.2 293.7 337.8 0.42 21 380 7987 -16.5 -27.5 38 11.0 -19.4 81 28 338.5 338.7 294.9 342.4 1.05 22 376 8066 -17.1 -38.1 14 21.0 -21.1 81 28 338.7 338.8 294.4 340.2 0.38 23 360 8391 -19.1 -44.1 9 25.0 -22.9 82 28 340.3 340.3 294.6 341.1 0.21 24 357 8453 -19.5 -43.5 10 24.0 -23.2 82 29 340.5 340.6 294.7 341.5 0.23 25 334 8944 -23.3 -30.3 53 7.0 -24.8 83 30 341.9 342.1 295.6 345.4 0.92 26 330 9032 -24.1 -40.1 21 16.0 -26.6 83 30 342.0 342.0 295.1 343.4 0.35 27 327 9099 -24.5 -35.5 35 11.0 -26.5 84 30 342.3 342.4 295.4 344.5 0.57 28 326 9121 -24.7 -45.7 12 21.0 -27.4 84 30 342.3 342.4 295.1 343.1 0.20 29 314 9393 -26.9 -33.9 52 7.0 -28.2 84 30 343.0 343.1 295.7 345.6 0.69 30 300 9720 -29.3 -46.3 18 17.0 -31.2 85 31 344.1 344.1 295.5 344.9 0.20 31 297 9791 -29.5 -56.5 6 27.0 -31.7 84 31 344.8 344.8 295.5 345.1 0.06 32 289 9984 -31.9 -42.9 33 11.0 -33.2 83 30 344.1 344.1 295.6 345.3 0.30 33 288 10009 -32.1 -34.7 78 2.6 -32.5 83 30 344.1 344.3 295.9 346.8 0.70 34 287 10033 -32.5 -38.5 55 6.0 -33.3 83 30 343.9 344.0 295.7 345.8 0.48 35 285 10082 -32.3 -35.5 73 3.2 -32.8 82 30 344.9 345.0 296.1 347.4 0.65 36 280 10206 -32.9 -36.7 69 3.8 -33.4 81 29 345.8 345.9 296.2 348.1 0.59 37 277 10282 -33.3 -43.3 36 10.0 -34.4 81 29 346.3 346.3 296.1 347.5 0.30 38 253 10909 -38.5 -45.5 48 7.0 -39.1 76 27 347.6 347.7 296.3 348.7 0.26 39 251 10963 -39.1 -49.1 34 10.0 -39.9 75 27 347.5 347.6 296.3 348.3 0.17 40 250 10990 -39.1 -49.1 34 10.0 -39.9 75 27 347.9 348.0 296.3 348.7 0.18 41 246 11101 -39.9 -51.9 27 12.0 -40.7 74 27 348.3 348.4 296.4 348.9 0.13 42 218 11915 -47.5 -51.3 65 3.8 -47.7 69 31 348.8 348.9 296.5 349.5 0.16 43 200 12480 -52.5 -56.8 60 4.3 -52.7 65 33 349.6 349.6 296.6 350.0 0.09 44 191 12775 -55.7 -59.9 59 4.2 -55.8 68 33 349.1 349.1 296.5 349.4 0.06 45 183 13046 -57.5 -68.5 23 11.0 -57.7 71 34 350.5 350.5 296.8 350.6 0.02 46 169 13543 -61.7 -66.1 56 4.4 -61.8 77 35 351.6 351.6 297.0 351.7 0.03 47 162 13804 -64.1 -71.1 38 7.0 -64.2 80 35 351.8 351.8 297.0 351.9 0.02 48 150 14270 -67.9 -72.9 49 5.0 -67.9 85 36 353.1 353.1 297.3 353.2 0.01 49 116 15772 -79.3 -83.7 48 4.4 -79.3 91 28 358.9 358.9 298.5 359.0 0.00 50 100 16610 -81.3 -84.2 61 2.9 -81.3 95 23 370.6 370.6 300.7 370.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 559.29 mb = 5008.23 m = 16430.99 ft Wetbulb zero: 559.91 mb = 4972.02 m = 16312.20 ft Precipitable water: 2.47 inches Sfc-500 mean rel hum: 92.26 % Est. max temperature: 33.19 C = 91.74 F Sfc-Lift cond lev (LCL): 998.79 mb = 96.58 m = 316.87 ft T: 24.94 C 700-500 lapse rate: 5.53 C/km ThetaE index: 7.36 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 923.88 mb = 780.55 m = 2560.84 ft Mean mixing ratio: 17.56 g/kg Conv temperature: 28.97 C = 84.15 F Cap Strength: 1.13 C Lifted Index: -1.60 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.60 C Lifted Index @700 mb: 0.08 C Showalter Index: -0.25 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 20.30 C K Index: 35.90 Risk: > 80 % chance of thunderstorms Sweat Index: 221.40 Risk: None Energy Index: -0.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 661.51 J/kg Max Up Vert Vel: 36.37 m/s Conv Inhibition (B-): 28.27 J/kg Cap Strength: 1.04 C Lift Cond Lev (LCL): 943.78 mb = 593.68 m = 1947.76 ft Lev Free Conv (LFC): 808.78 mb = 1925.42 m = 6316.91 ft Equ Level (EL): 728.78 mb = 2808.40 m = 9213.81 ft B at Equ Level: 35.23 J/kg Wind level data Storm motion: 127 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 1010 19 120 3 -2.6 1.5 | 314 3 2.4 -2.3 1 1000 86 135 7 -4.9 4.9 | 181 1 0.0 1.2 2 925 770 145 7 -4.0 5.7 | 206 2 1.0 2.0 3 850 1503 110 3 -2.8 1.0 | 322 3 2.1 -2.7 4 700 3147 205 3 1.3 2.7 | 280 6 6.2 -1.1 5 500 5880 75 21 -20.3 -5.4 | 59 18 -15.3 -9.2 6 400 7600 80 27 -26.6 -4.7 | 69 23 -21.6 -8.5 7 300 9720 85 31 -30.9 -2.7 | 76 27 -25.9 -6.5 8 250 10990 75 27 -26.1 -7.0 | 63 24 -21.1 -10.8 9 200 12480 65 33 -29.9 -13.9 | 55 31 -24.9 -17.7 10 150 14270 85 36 -35.9 -3.1 | 77 32 -30.9 -6.9 11 100 16610 95 23 -22.9 2.0 | 84 18 -17.9 -1.8 Wind Parameters Mean winds (0-6000m): 97.2 at 8.3 knts Storm direction: 127.2 at 6.2 knts Shear (0-3000m) pos: 1.0 neg: 0.8 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -35.0 deg Storm rel helicity (0-3000m) pos: 1.1 neg: -3.4 tot: -2.3 m^2/s^2 ave: -0.8 10^-3 m/s^2 rel: -0.29 Storm rel vorticity (0-3000m) horiz: 2.8 stream: -0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 174.55 Bulk Shear: 3.79 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 ------------------------------------------------------------------------------- 500 137 7 202 1| 4.5 0.0 4.5| 0.2 -0.8 -0.6 -1.3 -0.75| 6.4 -4.9 1000 139 7 206 1| 2.2 0.8 3.1| 0.7 -0.8 -0.1 -0.1 -0.39| 4.4 -1.7 1500 137 6 241 1| 1.5 1.6 3.1| 1.1 -0.9 0.2 0.1 -0.18| 4.0 -0.7 2000 136 5 273 1| 1.4 1.2 2.6| 1.1 -2.1 -1.1 -0.5 -0.27| 3.4 -0.9 2500 138 5 278 2| 1.2 1.0 2.2| 1.1 -3.1 -2.1 -0.8 -0.31| 3.0 -0.9 3000 142 4 277 2| 1.0 0.8 1.8| 1.1 -3.4 -2.3 -0.8 -0.29| 2.8 -0.8 4000 151 5 263 3| 0.8 0.3 1.1| 1.2 -14.1 -12.9 -3.2 -0.50| 3.0 -1.5 5000 134 6 227 1| 0.6 1.4 2.0| 1.2 -33.2 -32.0 -6.4 -0.64| 3.7 -2.3 6000 97 8 50 4| 0.5 2.0 2.6| 2.2 -73.2 -71.1 -11.8 -0.67| 4.3 -2.9 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251008.12.gif