UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 4 DEC 25 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 1020 3 20.0 16.3 79 3.7 17.6 55 7 291.5 293.5 290.0 324.0 11.50 1 1000 173 18.6 16.0 85 2.6 16.9 50 19 291.8 293.8 290.0 324.3 11.50 2 946 648 15.0 14.4 96 0.6 14.6 93 20 292.8 294.7 290.0 324.0 10.96 3 925 839 16.2 15.5 96 0.7 15.7 110 21 295.9 298.0 291.9 330.6 12.06 4 914 941 16.4 15.1 92 1.3 15.5 104 19 297.1 299.2 292.1 331.5 11.89 5 850 1557 12.6 10.9 89 1.7 11.6 70 9 299.3 301.1 291.0 327.7 9.68 6 837 1687 12.8 6.8 67 6.0 9.3 59 10 300.9 302.2 289.6 322.9 7.42 7 794 2128 10.0 7.8 86 2.2 8.7 21 12 302.5 304.0 291.0 327.4 8.39 8 773 2352 10.8 9.5 92 1.3 10.0 2 13 305.6 307.5 293.0 334.8 9.69 9 763 2460 10.4 10.0 97 0.4 10.2 352 13 306.4 308.3 293.6 337.0 10.16 10 737 2749 9.6 7.9 89 1.7 8.6 327 15 308.5 310.2 293.4 336.3 9.11 11 726 2874 10.4 -3.6 37 14.0 3.5 316 15 310.7 311.5 289.8 323.5 4.04 12 716 2990 10.2 -8.8 25 19.0 1.7 306 16 311.8 312.3 288.9 320.6 2.74 13 713 3025 10.0 -2.0 43 12.0 3.8 303 16 311.9 312.8 290.7 326.5 4.63 14 708 3083 10.4 -11.6 20 22.0 1.0 298 17 313.0 313.4 288.8 320.2 2.22 15 700 3178 10.0 -25.0 7 35.0 -1.3 290 17 313.6 313.7 287.4 316.0 0.72 16 696 3226 9.8 -26.2 6 36.0 -1.5 290 17 313.9 314.0 287.5 316.1 0.65 17 668 3566 8.8 -23.2 8 32.0 -2.0 287 17 316.4 316.6 288.6 319.5 0.88 18 664 3616 8.2 -4.8 39 13.0 1.8 286 17 316.3 317.1 291.5 329.3 4.03 19 649 3804 6.4 -2.6 53 9.0 1.8 284 17 316.3 317.3 292.2 331.9 4.87 20 603 4402 1.6 -5.4 60 7.0 -1.8 279 16 317.5 318.3 292.0 331.2 4.24 21 597 4483 2.2 -11.8 35 14.0 -3.7 278 16 319.1 319.6 291.0 327.7 2.59 22 573 4814 2.0 -31.0 7 33.0 -7.1 275 16 322.7 322.8 290.1 324.5 0.50 23 500 5900 -5.3 -42.3 4 37.0 -12.6 265 15 326.6 326.6 290.9 327.3 0.18 24 487 6106 -6.9 -39.9 5 33.0 -13.6 260 15 327.1 327.1 291.2 328.0 0.24 25 472 6350 -7.7 -26.7 20 19.0 -13.0 253 16 329.0 329.2 292.3 332.3 0.91 26 471 6366 -7.5 -43.5 4 36.0 -14.2 253 16 329.5 329.5 291.7 330.2 0.17 27 466 6449 -8.1 -13.1 67 5.0 -10.1 251 16 329.7 330.3 294.3 340.0 2.99 28 460 6550 -8.3 -17.3 48 9.0 -11.6 248 16 330.7 331.1 293.9 338.2 2.14 29 458 6583 -7.7 -24.7 24 17.0 -12.8 247 17 331.9 332.1 293.3 335.9 1.13 30 438 6929 -10.5 -20.5 44 10.0 -13.8 238 17 332.6 332.9 294.0 338.7 1.71 31 433 7017 -10.9 -26.9 25 16.0 -15.3 236 18 333.2 333.4 293.5 336.7 0.98 32 423 7196 -12.5 -21.5 47 9.0 -15.3 231 18 333.4 333.7 294.1 339.2 1.62 33 405 7526 -14.9 -26.9 35 12.0 -18.1 223 19 334.4 334.6 293.9 338.2 1.04 34 400 7620 -15.7 -25.7 42 10.0 -18.4 220 19 334.6 334.8 294.0 338.9 1.18 35 395 7715 -16.5 -22.5 60 6.0 -18.3 221 20 334.7 335.1 294.4 340.5 1.59 36 391 7791 -16.5 -28.5 35 12.0 -19.5 222 20 335.7 335.9 294.1 339.2 0.93 37 327 9105 -27.7 -37.7 38 10.0 -29.2 234 29 337.9 338.0 294.2 339.7 0.46 38 300 9720 -31.5 -48.5 17 17.0 -33.1 240 33 341.0 341.0 294.7 341.6 0.16 39 250 10980 -40.9 -60.9 10 20.0 -41.8 240 36 345.3 345.3 295.6 345.4 0.04 40 245 11118 -41.1 -65.1 6 24.0 -42.1 241 36 347.0 347.0 296.0 347.1 0.02 41 225 11693 -44.5 -68.5 5 24.0 -45.2 247 37 350.3 350.3 296.7 350.4 0.02 42 200 12470 -51.7 -71.7 7 20.0 -52.1 255 38 350.9 350.9 296.8 351.0 0.01 43 150 14260 -67.5 -78.5 19 11.0 -67.5 245 40 353.8 353.8 297.4 353.8 0.01 44 145 14464 -69.5 -77.5 30 8.0 -69.5 247 39 353.8 353.8 297.4 353.8 0.01 45 138 14758 -71.7 -77.7 40 6.0 -71.7 250 38 354.9 354.9 297.7 355.0 0.01 46 121 15528 -75.7 -83.7 27 8.0 -75.7 258 35 361.2 361.2 299.0 361.2 0.00 47 115 15822 -75.9 -87.9 13 12.0 -75.9 261 34 366.1 366.1 299.9 366.2 0.00 48 100 16620 -81.5 -89.5 24 8.0 -81.5 270 31 370.3 370.3 300.6 370.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5727.00 m Freezing level: 553.00 mb = 5111.68 m = 16770.41 ft Wetbulb zero: 704.44 mb = 3125.29 m = 10253.44 ft Precipitable water: 1.43 inches Sfc-500 mean rel hum: 53.51 % Est. max temperature: 27.17 C = 80.91 F Sfc-Lift cond lev (LCL): 965.84 mb = 470.28 m = 1542.88 ft T: 16.35 C 700-500 lapse rate: 5.62 C/km ThetaE index: 16.39 C Layer 737.0- 713.0 mb Conv cond level (CCL): 867.00 mb = 1389.01 m = 4557.05 ft Mean mixing ratio: 11.39 g/kg Conv temperature: 27.28 C = 81.11 F Cap Strength: 8.72 C Lifted Index: 8.33 C Risk: None Lifted Index @300 mb: 11.90 C Lifted Index @700 mb: 7.46 C Showalter Index: 7.04 C Risk: None Total Totals Index: 34.10 C Risk: None Vertical Totals Index: 17.90 C Cross Totals Index: 16.20 C K Index: -6.20 Risk: None Sweat Index: 163.80 Risk: None Energy Index: 0.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.17 J/kg Max Up Vert Vel: 5.51 m/s Conv Inhibition (B-): 7547.62 J/kg Cap Strength: 8.68 C Lift Cond Lev (LCL): 945.71 mb = 650.47 m = 2134.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 12 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 1020 3 55 7 -5.7 -4.0 | 116 13 -11.9 5.8 1 1000 173 50 19 -14.6 -12.2 | 83 21 -20.7 -2.4 2 925 839 110 21 -19.7 7.2 | 123 31 -25.9 17.0 3 850 1557 70 9 -8.5 -3.1 | 115 16 -14.6 6.7 4 700 3178 290 17 16.0 -5.8 | 248 11 9.8 4.0 5 500 5900 265 15 14.9 1.3 | 218 14 8.8 11.1 6 400 7620 220 19 12.2 14.6 | 194 25 6.1 24.3 7 300 9720 240 33 28.6 16.5 | 220 35 22.4 26.3 8 250 10980 240 36 31.2 18.0 | 222 37 25.0 27.8 9 200 12470 255 38 36.7 9.8 | 237 36 30.5 19.6 10 150 14260 245 40 36.3 16.9 | 228 40 30.1 26.7 11 100 16620 270 31 31.0 -0.0 | 249 27 24.8 9.8 Wind Parameters Mean winds (0-6000m): 297.8 at 15.4 knts Storm direction: 327.8 at 11.6 knts Shear (0-3000m) pos: 2.4 neg: 5.8 tot: 8.2 10-3/s Storm rel Dir Shear (0-3000m): 150.0 deg Storm rel helicity (0-3000m) pos: 117.5 neg: -108.9 tot: 8.7 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: -0.24 Storm rel vorticity (0-3000m) horiz: 12.8 stream: -3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 110.04 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 62 17 94 21| 14.3 0.0 14.3| 48.9 -37.3 11.6 23.3 -0.05| 22.1 -1.1 1000 82 19 106 26| 7.3 0.0 7.3|116.6 -47.1 69.4 69.4 0.19| 17.8 3.4 1500 86 17 110 25| 4.9 3.6 8.5|117.5 -62.5 55.0 36.6 0.10| 15.6 1.5 2000 81 15 109 23| 3.7 4.6 8.2|117.5 -83.6 33.9 17.0 -0.02| 13.7 -0.3 2500 70 15 103 21| 2.9 5.5 8.4|117.5 -98.3 19.2 7.7 -0.13| 13.0 -1.6 3000 62 15 98 19| 2.4 5.8 8.2|117.5-108.9 8.7 2.9 -0.24| 12.8 -3.0 4000 21 15 69 12| 1.8 4.5 6.3|117.5-121.0 -3.5 -0.9 -0.28| 10.5 -2.9 5000 322 15 306 4| 1.5 3.5 5.0|117.5-128.6 -11.1 -2.2 -0.30| 8.6 -2.6 6000 298 15 251 8| 1.2 2.8 4.1|117.5-137.0 -19.5 -3.2 -0.31| 7.5 -2.3 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251204.00.gif