UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 12 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 1009 19 27.6 25.0 86 2.6 25.7 90 1 300.0 303.7 298.5 359.1 20.14 1 1000 83 25.6 23.8 90 1.8 24.3 110 1 298.8 302.2 297.4 353.8 18.88 2 992 154 24.8 23.9 95 0.9 24.2 126 2 298.6 302.1 297.6 354.5 19.15 3 925 768 21.6 20.0 91 1.6 20.5 270 7 301.4 304.4 296.4 348.8 16.11 4 919 825 21.2 19.5 90 1.7 20.0 270 7 301.5 304.4 296.1 347.8 15.71 5 850 1500 18.0 16.2 89 1.8 16.8 275 1 305.0 307.6 295.8 346.1 13.76 6 700 3144 10.0 7.8 86 2.2 8.6 95 5 313.6 315.4 295.1 343.1 9.54 7 611 4267 4.8 -0.2 70 5.0 2.1 154 4 320.0 321.2 294.3 339.9 6.18 8 576 4746 1.6 0.3 91 1.3 0.9 179 4 321.7 323.0 295.2 343.7 6.81 9 517 5614 -1.7 -8.7 59 7.0 -5.0 226 3 327.8 328.6 294.5 340.7 3.83 10 512 5691 -2.1 -9.1 59 7.0 -5.3 230 3 328.2 329.0 294.6 340.9 3.75 11 500 5880 -3.5 -8.5 68 5.0 -5.8 240 3 328.8 329.6 294.9 342.4 4.03 12 436 6950 -10.9 -13.9 79 3.0 -12.1 228 5 332.5 333.1 295.0 342.9 3.00 13 400 7610 -14.1 -21.1 55 7.0 -16.4 220 7 336.7 337.0 295.0 343.0 1.78 14 396 7686 -14.5 -21.5 55 7.0 -16.7 217 7 337.1 337.5 295.1 343.4 1.73 15 358 8439 -21.3 -25.7 68 4.4 -22.4 189 6 337.9 338.1 295.0 342.7 1.32 16 352 8563 -21.9 -29.9 48 8.0 -23.7 184 6 338.7 338.9 294.8 342.1 0.91 17 348 8647 -22.5 -25.2 79 2.7 -23.2 181 6 339.0 339.3 295.3 344.2 1.42 18 328 9079 -24.7 -30.7 57 6.0 -26.0 165 6 341.7 341.9 295.6 345.2 0.90 19 300 9720 -30.1 -33.7 71 3.6 -30.7 140 5 343.0 343.1 295.7 345.8 0.74 20 284 10108 -33.1 -36.1 74 3.0 -33.6 113 9 344.1 344.2 295.8 346.5 0.62 21 276 10308 -34.9 -38.2 72 3.3 -35.3 99 10 344.3 344.4 295.8 346.3 0.51 22 274 10359 -34.9 -45.9 32 11.0 -36.0 95 11 345.0 345.1 295.7 345.9 0.23 23 272 10410 -35.5 -40.5 60 5.0 -36.1 92 11 344.9 345.0 295.8 346.5 0.41 24 260 10722 -38.7 -48.7 34 10.0 -39.5 69 14 344.6 344.7 295.6 345.4 0.18 25 250 10990 -40.9 -45.9 58 5.0 -41.3 50 17 345.3 345.3 295.8 346.3 0.25 26 247 11072 -41.5 -44.2 75 2.7 -41.8 51 17 345.6 345.6 295.9 346.8 0.31 27 231 11520 -45.3 -47.1 82 1.8 -45.4 54 18 346.5 346.5 296.1 347.4 0.24 28 220 11842 -48.3 -49.3 89 1.0 -48.4 56 18 346.7 346.7 296.1 347.5 0.19 29 200 12460 -53.7 -57.5 63 3.8 -53.8 60 19 347.7 347.7 296.2 348.1 0.08 30 189 12821 -56.7 -61.5 55 4.8 -56.8 68 21 348.6 348.6 296.4 348.8 0.05 31 188 12855 -56.9 -62.9 47 6.0 -57.1 69 21 348.8 348.8 296.4 349.0 0.04 32 184 12991 -57.7 -61.0 66 3.3 -57.8 72 21 349.6 349.6 296.6 349.9 0.06 33 173 13377 -60.9 -69.9 30 9.0 -61.0 80 23 350.6 350.6 296.8 350.6 0.02 34 150 14250 -67.5 -75.5 31 8.0 -67.5 100 27 353.8 353.8 297.4 353.8 0.01 35 131 15052 -74.5 -82.5 28 8.0 -74.5 96 28 355.3 355.3 297.7 355.3 0.00 36 104 16377 -80.3 -85.1 44 4.8 -80.3 90 29 368.4 368.4 300.3 368.4 0.00 37 100 16600 -77.3 -84.3 32 7.0 -77.3 115 29 378.4 378.4 302.0 378.4 0.00 TRP 104 16377 -80.3 -85.1 44 4.8 -80.3 90 29 368.4 368.4 300.3 368.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 547.39 mb = 5166.91 m = 16951.61 ft Wetbulb zero: 567.20 mb = 4869.74 m = 15976.66 ft Precipitable water: 2.42 inches Sfc-500 mean rel hum: 82.84 % Est. max temperature: 32.17 C = 89.90 F Sfc-Lift cond lev (LCL): 972.15 mb = 331.50 m = 1087.60 ft T: 23.87 C 700-500 lapse rate: 4.93 C/km ThetaE index: 14.60 C Layer 925.0- 576.0 mb Conv cond level (CCL): 920.88 mb = 806.92 m = 2647.35 ft Mean mixing ratio: 17.58 g/kg Conv temperature: 29.13 C = 84.43 F Cap Strength: 0.63 C Lifted Index: -1.18 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.64 C Lifted Index @700 mb: -1.04 C Showalter Index: 0.87 C Risk: Thunderstorms probable Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 19.70 C K Index: 35.50 Risk: > 80 % chance of thunderstorms Sweat Index: 199.40 Risk: None Energy Index: -0.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 857.16 J/kg Max Up Vert Vel: 41.40 m/s Conv Inhibition (B-): 5.41 J/kg Cap Strength: 0.63 C Lift Cond Lev (LCL): 939.64 mb = 630.09 m = 2067.19 ft Lev Free Conv (LFC): 864.64 mb = 1352.20 m = 4436.30 ft Equ Level (EL): 164.64 mb = 13679.88 m = 44880.94 ft B at Equ Level: 855.28 J/kg Wind level data Storm motion: 186 at 3 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 19 90 1 -1.0 0.0 | 25 3 -1.3 -2.7 1 1000 83 110 1 -0.9 0.3 | 27 3 -1.2 -2.4 2 925 768 270 7 7.0 -0.0 | 292 7 6.7 -2.7 3 850 1500 275 1 1.0 -0.1 | 346 3 0.7 -2.8 4 700 3144 95 5 -5.0 0.4 | 66 6 -5.3 -2.3 5 500 5880 240 3 2.6 1.5 | 298 3 2.3 -1.2 6 400 7610 220 7 4.5 5.4 | 238 5 4.2 2.6 7 300 9720 140 5 -3.2 3.8 | 107 4 -3.5 1.1 8 250 10990 50 17 -13.0 -10.9 | 44 19 -13.3 -13.7 9 200 12460 60 19 -16.5 -9.5 | 54 21 -16.7 -12.2 10 150 14250 100 27 -26.6 4.7 | 94 27 -26.9 1.9 11 104 16377 90 29 -29.0 0.0 | 85 29 -29.3 -2.7 12 100 16600 115 29 -26.3 12.3 | 110 28 -26.6 9.5 Wind Parameters Mean winds (0-6000m): 155.8 at 3.7 knts Storm direction: 185.8 at 2.8 knts Shear (0-3000m) pos: 0.4 neg: 1.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 50.3 deg Storm rel helicity (0-3000m) pos: 12.4 neg: -2.9 tot: 9.5 m^2/s^2 ave: 3.2 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 1.5 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 1168.64 Bulk Shear: 0.73 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 ------------------------------------------------------------------------------- 500 195 3 298 0| 5.6 0.0 5.6| 2.2 0.0 2.2 4.3 0.82| 7.3 6.0 1000 268 4 303 5| 3.1 0.0 3.1| 9.5 0.0 9.5 9.5 0.75| 7.8 5.8 1500 269 4 307 4| 0.7 0.0 0.7| 12.4 0.0 12.4 8.3 0.75| 6.5 4.9 2000 265 3 309 4| 0.5 0.5 1.0| 12.4 -0.8 11.6 5.8 0.61| 5.4 3.3 2500 251 3 302 3| 0.4 0.8 1.2| 12.4 -1.1 11.4 4.5 0.45| 5.0 2.3 3000 242 3 294 3| 0.4 1.0 1.3| 12.4 -2.9 9.5 3.2 0.31| 4.8 1.5 4000 140 4 92 3| 0.5 0.7 1.3| 15.4 -3.8 11.6 2.9 0.33| 4.2 1.4 5000 151 4 104 2| 0.8 0.6 1.4| 16.7 -3.8 12.9 2.6 0.38| 3.8 1.4 6000 156 4 109 2| 0.8 0.5 1.3| 17.6 -4.0 13.6 2.3 0.39| 3.4 1.3 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251012.00.gif