UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 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 1011 19 26.2 25.0 93 1.2 25.3 150 1 298.4 302.1 298.1 357.0 20.10 1 1000 98 25.6 24.7 95 0.9 25.0 155 1 298.8 302.4 298.1 357.0 19.96 2 976 313 24.2 24.2 100 0.0 24.2 205 3 299.4 303.0 298.2 357.5 19.84 3 925 783 21.4 21.4 100 0.0 21.4 315 9 301.2 304.4 297.3 353.0 17.61 4 850 1515 18.4 16.4 88 2.0 17.0 340 3 305.4 308.0 296.0 347.1 13.94 5 792 2119 15.6 10.9 74 4.7 12.6 356 4 308.7 310.6 294.4 340.3 10.40 6 700 3157 9.2 6.5 83 2.7 7.6 25 5 312.7 314.3 294.2 339.7 8.71 7 631 4012 4.0 2.3 89 1.7 3.0 37 9 316.2 317.5 294.0 338.8 7.18 8 611 4274 2.6 0.8 88 1.8 1.6 41 11 317.5 318.8 294.0 338.6 6.65 9 606 4341 2.8 -2.2 70 5.0 0.2 42 11 318.5 319.5 293.2 335.7 5.38 10 578 4724 0.8 -1.1 87 1.9 -0.2 48 13 320.4 321.6 294.4 340.2 6.12 11 559 4993 0.2 -4.5 71 4.7 -2.1 52 14 322.8 323.8 294.0 338.9 4.91 12 552 5094 -0.3 -8.3 55 8.0 -4.0 53 15 323.4 324.1 293.2 335.7 3.70 13 536 5329 -2.3 -4.7 84 2.4 -3.5 57 16 323.7 324.7 294.4 340.3 5.04 14 519 5585 -3.5 -14.5 42 11.0 -7.8 61 17 325.3 325.8 292.6 333.4 2.39 15 515 5647 -4.1 -8.4 72 4.3 -6.1 61 18 325.3 326.1 293.9 338.4 3.94 16 502 5849 -5.5 -9.4 74 3.9 -7.2 65 19 326.0 326.7 293.9 338.5 3.74 17 500 5880 -5.3 -11.3 63 6.0 -7.8 65 19 326.6 327.2 293.7 337.5 3.23 18 497 5927 -5.5 -14.5 49 9.0 -9.0 66 19 326.9 327.4 293.2 335.4 2.50 19 474 6298 -7.9 -11.6 75 3.7 -9.5 72 22 328.4 329.0 294.2 339.7 3.32 20 466 6430 -8.3 -17.3 48 9.0 -11.6 74 23 329.5 329.9 293.5 336.8 2.11 21 456 6598 -9.3 -13.5 71 4.2 -11.0 77 24 330.3 330.9 294.4 340.4 2.96 22 426 7121 -12.5 -22.5 43 10.0 -15.6 87 28 332.7 333.0 293.8 338.0 1.47 23 414 7339 -14.1 -17.1 78 3.0 -15.2 90 29 333.4 333.9 294.8 341.8 2.42 24 404 7525 -14.9 -17.3 82 2.4 -15.7 94 30 334.7 335.2 295.1 343.2 2.44 25 400 7600 -15.1 -17.8 80 2.7 -16.0 95 31 335.4 335.8 295.2 343.7 2.36 26 382 7946 -16.9 -20.6 73 3.7 -18.1 93 30 337.4 337.8 295.4 344.4 1.94 27 375 8085 -17.9 -22.5 67 4.6 -19.3 93 29 337.9 338.2 295.3 344.0 1.68 28 337 8873 -24.3 -25.8 87 1.5 -24.6 89 26 339.7 339.9 295.4 344.8 1.39 29 300 9710 -30.1 -36.1 56 6.0 -31.0 85 23 343.0 343.1 295.6 345.2 0.58 30 270 10451 -35.9 -44.9 39 9.0 -36.8 73 26 345.0 345.1 295.7 346.1 0.26 31 256 10818 -39.1 -43.8 61 4.7 -39.5 68 28 345.6 345.6 295.9 346.8 0.31 32 252 10926 -39.7 -48.7 38 9.0 -40.4 66 29 346.3 346.3 296.0 347.0 0.18 33 250 10980 -40.3 -48.3 42 8.0 -40.9 65 29 346.2 346.2 296.0 346.9 0.19 34 243 11172 -42.1 -52.1 33 10.0 -42.7 66 31 346.3 346.3 295.9 346.8 0.13 35 206 12260 -52.5 -54.8 76 2.3 -52.6 74 40 346.7 346.7 296.0 347.1 0.11 36 204 12323 -52.9 -56.8 62 3.9 -53.0 74 41 347.0 347.0 296.1 347.4 0.09 37 200 12450 -53.5 -61.5 37 8.0 -53.7 75 42 348.0 348.1 296.3 348.3 0.05 38 199 12482 -53.7 -62.7 32 9.0 -53.9 75 42 348.2 348.2 296.3 348.4 0.04 39 180 13121 -58.9 -70.9 20 12.0 -59.0 77 48 349.9 349.9 296.6 349.9 0.01 40 177 13226 -59.9 -64.9 52 5.0 -60.0 77 49 349.9 349.9 296.7 350.1 0.04 41 170 13477 -62.3 -66.9 54 4.6 -62.4 78 51 350.0 350.0 296.7 350.1 0.03 42 150 14240 -68.5 -76.5 31 8.0 -68.5 80 58 352.1 352.1 297.1 352.1 0.01 43 135 14863 -73.2 -80.6 32 7.4 -73.2 85 66 354.6 354.6 297.6 354.6 0.00 44 127 15217 -75.9 -82.9 32 7.0 -75.9 85 59 355.9 355.9 297.9 355.9 0.00 45 123 15403 -73.7 -82.7 24 9.0 -73.7 85 55 363.2 363.2 299.3 363.2 0.00 46 119 15595 -73.9 -85.9 14 12.0 -73.9 85 51 366.3 366.3 299.9 366.3 0.00 47 100 16590 -81.1 -85.8 45 4.7 -81.1 85 31 371.0 371.0 300.8 371.0 0.00 TRP WND 135 14863 -73.2 -80.6 32 7.4 -73.2 85 66 354.6 354.6 297.6 354.6 0.00 Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 556.20 mb = 5033.18 m = 16512.86 ft Wetbulb zero: 592.65 mb = 4520.96 m = 14832.38 ft Precipitable water: 2.38 inches Sfc-500 mean rel hum: 82.78 % Est. max temperature: 32.58 C = 90.65 F Sfc-Lift cond lev (LCL): 994.02 mb = 151.01 m = 495.43 ft T: 25.25 C 700-500 lapse rate: 5.33 C/km ThetaE index: 21.78 C Layer 925.0- 578.0 mb Conv cond level (CCL): 956.08 mb = 493.32 m = 1618.48 ft Mean mixing ratio: 18.92 g/kg Conv temperature: 27.89 C = 82.21 F Cap Strength: 0.02 C Lifted Index: -4.27 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.69 C Lifted Index @700 mb: -2.89 C Showalter Index: -1.31 C Risk: Thunderstorms probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 21.70 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 221.80 Risk: None Energy Index: -1.93 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1999.16 J/kg Max Up Vert Vel: 63.23 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.02 C Lift Cond Lev (LCL): 957.71 mb = 478.40 m = 1569.52 ft Lev Free Conv (LFC): 952.71 mb = 524.28 m = 1720.07 ft Equ Level (EL): 122.71 mb = 15416.53 m = 50578.56 ft B at Equ Level: 1928.44 J/kg Wind level data Storm motion: 71 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 1011 19 150 1 -0.5 0.9 | 242 6 5.5 2.9 1 1000 98 155 1 -0.4 0.9 | 242 6 5.5 2.9 2 925 783 315 9 6.4 -6.4 | 289 13 12.3 -4.3 3 850 1515 340 3 1.0 -2.8 | 277 7 7.0 -0.8 4 700 3157 25 5 -2.1 -4.5 | 303 5 3.8 -2.5 5 500 5880 65 19 -17.2 -8.0 | 62 13 -11.3 -6.0 6 400 7600 95 31 -30.9 2.7 | 101 25 -24.9 4.7 7 300 9710 85 23 -22.9 -2.0 | 90 17 -17.0 0.0 8 250 10980 65 29 -26.3 -12.3 | 63 23 -20.3 -10.2 9 200 12450 75 42 -40.6 -10.9 | 76 36 -34.6 -8.8 10 150 14240 80 58 -57.1 -10.1 | 81 52 -51.2 -8.1 11 135 14863 85 66 -65.7 -5.8 | 86 60 -59.8 -3.7 12 100 16590 85 31 -30.9 -2.7 | 88 25 -24.9 -0.7 Wind Parameters Mean winds (0-6000m): 41.2 at 8.4 knts Storm direction: 71.2 at 6.3 knts Shear (0-3000m) pos: 0.9 neg: 0.0 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): 58.5 deg Storm rel helicity (0-3000m) pos: 42.6 neg: -6.0 tot: 36.6 m^2/s^2 ave: 12.2 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.0 10^-3/s Energy-Hel index: 0.50 Bulk Rich Number: 118.89 Bulk Shear: 16.81 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 ------------------------------------------------------------------------------- 500 239 3 247 9| 6.4 0.0 6.4| 9.7 -1.7 8.0 16.0 0.31| 8.1 2.5 1000 315 5 280 10| 4.1 0.0 4.1| 38.5 -1.9 36.6 36.6 0.59| 9.4 5.6 1500 318 5 281 10| 1.4 0.0 1.4| 38.5 -6.0 32.5 21.7 0.40| 7.8 3.1 2000 323 5 281 9| 1.2 0.0 1.2| 40.0 -6.0 34.1 17.0 0.42| 6.1 2.5 2500 330 5 283 8| 1.0 0.0 1.0| 41.4 -6.0 35.5 14.2 0.43| 5.1 2.2 3000 339 5 286 8| 0.9 0.0 0.9| 42.6 -6.0 36.6 12.2 0.44| 4.5 2.0 4000 358 5 297 7| 1.3 0.0 1.3| 48.7 -6.0 42.7 10.7 0.53| 4.0 2.1 5000 21 7 318 5| 1.5 0.0 1.5| 57.8 -6.0 51.8 10.4 0.57| 3.8 2.2 6000 41 8 354 4| 1.7 0.0 1.7| 72.9 -6.0 67.0 11.2 0.60| 3.8 2.3 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251008.00.gif