UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 3 DEC 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 1012 19 26.2 24.9 93 1.3 25.3 160 1 298.3 302.0 298.0 356.5 19.96 1 1000 103 24.8 24.1 96 0.7 24.3 180 5 298.0 301.4 297.5 353.9 19.23 2 991 183 24.2 23.9 98 0.3 24.0 196 5 298.1 301.6 297.5 353.9 19.17 3 925 787 22.0 20.5 91 1.5 20.9 320 5 301.8 304.9 296.8 350.9 16.63 4 863 1389 18.4 17.8 96 0.6 18.0 357 10 304.1 306.9 296.4 348.8 15.03 5 853 1490 18.6 16.0 85 2.6 16.8 3 11 305.3 307.8 295.7 345.8 13.53 6 850 1520 18.6 16.0 85 2.6 16.8 5 11 305.6 308.2 295.8 346.3 13.58 7 773 2330 14.2 6.2 59 8.0 9.4 15 9 309.3 310.8 292.5 333.0 7.71 8 749 2596 12.6 9.7 82 2.9 10.7 18 8 310.4 312.3 294.7 341.4 10.14 9 720 2928 12.0 -9.0 22 21.0 2.5 22 8 313.2 313.8 289.3 321.9 2.68 10 711 3034 11.2 1.2 50 10.0 5.6 23 7 313.5 314.6 292.2 331.9 5.88 11 700 3164 11.0 -8.0 26 19.0 2.2 25 7 314.7 315.2 290.0 324.3 2.99 12 698 3188 10.8 -9.2 24 20.0 1.8 25 7 314.7 315.2 289.8 323.6 2.73 13 666 3578 7.8 0.8 61 7.0 3.9 33 9 315.6 316.8 293.0 334.9 6.10 14 659 3665 7.4 -2.6 49 10.0 2.2 35 10 316.1 317.0 292.1 331.4 4.80 15 637 3944 5.0 4.3 95 0.7 4.6 40 11 316.4 318.0 294.8 342.3 8.21 16 635 3970 5.0 5.0 100 0.0 5.0 41 12 316.7 318.4 295.3 344.0 8.65 17 561 4974 -0.5 -0.5 100 0.0 -0.5 61 18 321.7 323.0 295.0 343.0 6.59 18 520 5579 -2.7 -9.7 59 7.0 -5.8 74 21 326.1 326.8 293.8 337.9 3.52 19 517 5625 -2.7 -8.7 63 6.0 -5.5 75 21 326.6 327.4 294.2 339.5 3.83 20 500 5890 -5.3 -8.0 81 2.7 -6.5 80 23 326.6 327.4 294.4 340.6 4.19 21 499 5906 -5.3 -7.8 83 2.5 -6.5 80 23 326.8 327.6 294.6 341.0 4.26 22 467 6424 -8.1 -19.1 41 11.0 -11.9 88 24 329.5 329.9 293.3 335.9 1.81 23 456 6608 -9.7 -14.3 69 4.6 -11.5 90 24 329.8 330.3 294.1 339.3 2.77 24 444 6814 -10.5 -21.5 40 11.0 -14.0 93 24 331.3 331.6 293.5 336.8 1.54 25 430 7060 -12.5 -16.8 70 4.3 -14.0 97 24 331.8 332.3 294.3 340.1 2.39 26 427 7113 -12.5 -23.5 39 11.0 -15.7 98 24 332.5 332.7 293.6 337.3 1.35 27 421 7221 -13.1 -25.1 36 12.0 -16.5 99 25 333.1 333.3 293.7 337.3 1.18 28 413 7368 -13.9 -17.0 77 3.1 -15.0 101 25 333.9 334.4 294.9 342.4 2.45 29 406 7497 -14.7 -17.3 81 2.6 -15.6 103 25 334.5 334.9 295.0 343.0 2.43 30 400 7610 -15.3 -18.6 76 3.3 -16.4 105 25 335.1 335.6 295.0 342.9 2.20 31 369 8213 -19.7 -25.7 59 6.0 -21.2 112 22 337.1 337.3 294.7 341.7 1.28 32 367 8253 -19.9 -22.1 83 2.2 -20.5 112 22 337.3 337.7 295.2 343.7 1.77 33 365 8294 -20.1 -23.3 76 3.2 -21.0 113 22 337.6 337.9 295.1 343.4 1.60 34 362 8355 -19.7 -32.7 31 13.0 -22.5 114 22 338.9 339.1 294.7 341.5 0.68 35 359 8417 -20.3 -29.3 44 9.0 -22.4 114 21 338.9 339.1 294.9 342.4 0.94 36 349 8625 -21.7 -36.7 24 15.0 -24.4 117 20 339.8 339.9 294.7 341.6 0.47 37 305 9602 -28.9 -32.0 75 3.1 -29.5 129 16 343.0 343.2 295.8 346.3 0.86 38 301 9696 -29.5 -32.7 74 3.2 -30.1 130 15 343.5 343.6 295.8 346.6 0.81 39 300 9720 -29.7 -32.7 75 3.0 -30.2 130 15 343.5 343.7 295.9 346.6 0.82 40 252 10936 -40.5 -41.5 90 1.0 -40.6 63 7 345.1 345.2 295.9 346.7 0.40 41 250 10990 -40.7 -43.6 74 2.9 -40.9 60 7 345.6 345.6 295.9 346.8 0.32 42 228 11611 -45.3 -49.8 60 4.5 -45.6 89 14 347.8 347.8 296.3 348.5 0.18 43 217 11938 -48.1 -50.4 77 2.3 -48.2 104 17 348.4 348.4 296.4 349.1 0.17 44 216 11969 -48.5 -53.2 58 4.7 -48.7 106 17 348.2 348.2 296.4 348.7 0.13 45 209 12184 -50.5 -54.6 62 4.1 -50.7 116 20 348.4 348.4 296.4 348.9 0.11 46 206 12279 -51.1 -65.1 17 14.0 -51.4 121 21 348.9 348.9 296.4 349.0 0.03 47 200 12470 -52.7 -65.7 19 13.0 -53.0 130 23 349.3 349.3 296.5 349.4 0.03 48 188 12866 -56.1 -74.1 9 18.0 -56.3 128 23 350.1 350.1 296.7 350.1 0.01 49 176 13281 -59.7 -69.7 26 10.0 -59.8 126 23 350.8 350.8 296.8 350.9 0.02 50 170 13497 -61.3 -77.3 10 16.0 -61.4 124 23 351.7 351.7 297.0 351.7 0.01 51 162 13793 -64.1 -72.1 33 8.0 -64.2 123 23 351.8 351.8 297.0 351.9 0.01 52 161 13831 -64.5 -72.5 32 8.0 -64.6 122 23 351.8 351.8 297.0 351.8 0.01 53 150 14260 -67.5 -75.5 31 8.0 -67.5 120 23 353.8 353.8 297.4 353.8 0.01 54 135 14888 -71.7 -81.7 21 10.0 -71.8 114 22 357.2 357.2 298.1 357.2 0.00 55 117 15717 -78.9 -83.8 44 4.9 -78.9 105 22 358.8 358.8 298.5 358.8 0.00 56 115 15815 -79.9 -84.9 43 5.0 -79.9 104 22 358.7 358.7 298.4 358.7 0.00 57 100 16600 -82.7 -88.7 35 6.0 -82.7 95 21 367.9 367.9 300.2 367.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 567.73 mb = 4882.33 m = 16017.96 ft Wetbulb zero: 567.82 mb = 4875.70 m = 15996.21 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 78.15 % Est. max temperature: 32.11 C = 89.80 F Sfc-Lift cond lev (LCL): 993.55 mb = 160.04 m = 525.05 ft T: 24.37 C 700-500 lapse rate: 5.98 C/km ThetaE index: 19.49 C Layer 720.0- 711.0 mb Conv cond level (CCL): 919.67 mb = 837.13 m = 2746.46 ft Mean mixing ratio: 18.01 g/kg Conv temperature: 29.88 C = 85.78 F Cap Strength: 0.65 C Lifted Index: -3.27 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.77 C Lifted Index @700 mb: -0.33 C Showalter Index: -0.98 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 21.30 C K Index: 20.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 237.00 Risk: None Energy Index: -1.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1141.96 J/kg Max Up Vert Vel: 47.79 m/s Conv Inhibition (B-): 7.95 J/kg Cap Strength: 0.63 C Lift Cond Lev (LCL): 948.74 mb = 564.83 m = 1853.10 ft Lev Free Conv (LFC): 883.74 mb = 1183.02 m = 3881.26 ft Equ Level (EL): 853.74 mb = 1482.16 m = 4862.67 ft B at Equ Level: 19.29 J/kg Wind level data Storm motion: 80 at 9 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 1012 19 160 1 -0.3 0.9 | 253 8 8.1 2.4 1 1000 103 180 5 0.0 5.0 | 233 11 8.5 6.5 2 925 787 320 5 3.2 -3.8 | 281 12 11.7 -2.4 3 850 1520 5 11 -1.0 -11.0 | 322 12 7.5 -9.5 4 700 3164 25 7 -3.0 -6.3 | 312 7 5.5 -4.9 5 500 5890 80 23 -22.7 -4.0 | 80 14 -14.2 -2.5 6 400 7610 105 25 -24.1 6.5 | 117 18 -15.7 7.9 7 300 9720 130 15 -11.5 9.6 | 165 12 -3.0 11.1 8 250 10990 60 7 -6.1 -3.5 | 310 3 2.4 -2.0 9 200 12470 130 23 -17.6 14.8 | 151 19 -9.2 16.3 10 150 14260 120 23 -19.9 11.5 | 139 17 -11.5 13.0 11 100 16600 95 21 -20.9 1.8 | 105 13 -12.5 3.3 Wind Parameters Mean winds (0-6000m): 50.2 at 11.4 knts Storm direction: 80.2 at 8.6 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 60.1 deg Storm rel helicity (0-3000m) pos: 64.6 neg: -11.3 tot: 53.3 m^2/s^2 ave: 17.8 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.5 10^-3/s Energy-Hel index: 0.46 Bulk Rich Number: 34.01 Bulk Shear: 33.58 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 ------------------------------------------------------------------------------- 500 215 5 245 12| 5.5 0.0 5.5| 21.3 -8.3 13.0 26.0 0.26| 11.6 3.0 1000 284 5 269 13| 4.1 0.0 4.1| 44.0 -8.3 35.7 35.7 0.53| 9.4 5.0 1500 338 6 292 12| 4.1 0.0 4.1| 64.6 -8.3 56.3 37.5 0.65| 8.5 5.5 2000 353 7 302 11| 2.7 0.0 2.7| 64.6 -8.7 56.0 28.0 0.60| 6.8 4.1 2500 359 8 306 11| 1.9 0.0 1.9| 64.6 -9.7 54.9 22.0 0.56| 5.7 3.2 3000 3 8 308 10| 1.4 0.0 1.4| 64.6 -11.3 53.3 17.8 0.50| 5.0 2.5 4000 13 8 314 9| 1.6 0.0 1.6| 75.5 -11.6 63.9 16.0 0.57| 4.5 2.6 5000 30 9 331 8| 1.9 0.0 1.9| 92.2 -11.6 80.6 16.1 0.64| 4.5 2.8 6000 50 11 3 6| 2.0 0.0 2.0|116.9 -11.6 105.3 17.6 0.68| 4.5 3.0 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251203.00.gif