UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U8695... Searching the city database file for: U8695 ... Date:1200Z 9 DEC 25 Station: U8695 WMO ident: 28695 ------------------------------------------------------------------------------- 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 1026 91 -21.7 -26.0 68 4.3 -22.2 360 9 249.6 249.7 249.3 250.8 0.45 1 1009 213 -24.1 -28.9 64 4.8 -24.5 13 10 248.4 248.5 248.0 249.4 0.35 2 1000 279 -23.7 -28.5 65 4.8 -24.2 20 11 249.4 249.5 249.0 250.4 0.36 3 975 466 -17.9 -22.9 65 5.0 -18.6 33 17 257.1 257.2 256.1 258.8 0.62 4 925 862 -16.1 -26.1 42 10.0 -17.5 60 31 262.8 262.9 260.4 264.2 0.49 5 892 1136 -14.9 -27.9 32 13.0 -16.7 62 33 266.8 266.9 263.3 268.1 0.43 6 850 1500 -16.1 -26.1 42 10.0 -17.6 65 35 269.3 269.4 265.2 270.8 0.53 7 796 1993 -17.7 -29.7 34 12.0 -19.3 65 37 272.7 272.7 267.3 273.9 0.41 8 700 2942 -24.1 -38.1 26 14.0 -25.4 65 40 275.8 275.8 269.0 276.4 0.20 9 696 2984 -24.3 -38.3 26 14.0 -25.6 65 40 276.0 276.1 269.1 276.7 0.20 10 660 3369 -24.7 -39.7 24 15.0 -26.0 63 38 279.8 279.8 271.4 280.4 0.18 11 520 5059 -35.7 -53.7 14 18.0 -36.4 56 29 286.3 286.3 274.8 286.5 0.05 12 500 5330 -37.5 -53.5 17 16.0 -38.1 55 27 287.3 287.3 275.3 287.5 0.05 13 400 6830 -49.7 -56.7 44 7.0 -49.8 55 19 290.4 290.4 276.9 290.6 0.04 14 386 7063 -51.5 -58.5 43 7.0 -51.6 54 19 291.0 291.0 277.2 291.1 0.04 15 358 7550 -53.9 -59.9 48 6.0 -54.0 53 21 294.1 294.1 278.7 294.2 0.03 16 300 8670 -60.9 -67.9 39 7.0 -61.0 50 23 299.5 299.5 281.1 299.5 0.01 17 290 8879 -61.9 -68.9 39 7.0 -62.0 50 23 301.0 301.0 281.8 301.0 0.01 18 256 9645 -62.1 -69.1 39 7.0 -62.1 37 21 311.6 311.6 285.9 311.7 0.01 19 250 9790 -63.3 -70.3 38 7.0 -63.3 35 21 312.0 312.0 286.1 312.0 0.01 20 200 11170 -62.1 -69.1 39 7.0 -62.1 350 15 334.4 334.4 292.9 334.5 0.02 21 150 12950 -62.5 -70.5 33 8.0 -62.6 310 21 362.4 362.4 299.2 362.5 0.02 22 140 13375 -61.7 -69.7 34 8.0 -61.8 307 23 371.0 371.0 300.8 371.1 0.02 23 100 15430 -66.3 -75.3 27 9.0 -66.4 295 33 399.6 399.6 305.2 399.7 0.01 24 92 15936 -65.5 -74.5 28 9.0 -65.6 293 33 410.9 410.9 306.6 410.9 0.02 25 70 17590 -67.9 -77.9 23 10.0 -68.0 285 35 439.1 439.1 309.8 439.2 0.01 26 50 19590 -70.5 -80.5 22 10.0 -70.6 285 44 477.4 477.4 313.2 477.4 0.01 27 45 20212 -72.3 -82.3 21 10.0 -72.4 284 46 487.6 487.6 314.1 487.6 0.01 28 30 22600 -71.7 -81.7 21 10.0 -71.9 280 56 549.2 549.2 318.1 549.3 0.02 29 20 24990 -69.7 -79.7 22 10.0 -70.0 270 73 622.8 622.8 321.6 623.1 0.03 30 15 26698 -70.7 -80.7 21 10.0 -71.1 264 88 672.9 672.9 323.5 673.2 0.04 31 11 28565 -64.1 -75.1 21 11.0 -65.2 257 105 759.3 759.4 326.2 760.5 0.13 32 10 29150 -62.7 -74.0 20 11.4 -64.1 255 110 785.6 785.6 326.9 787.2 0.17 33 8.4 30231 -60.1 -72.1 19 12.0 -62.2 835.9 836.0 328.1 838.7 0.27 TRP 290 8879 -61.9 -68.9 39 7.0 -62.0 50 23 301.0 301.0 281.8 301.0 0.01 WND 10 29150 -62.7 -74.0 20 11.4 -64.1 255 110 785.6 785.6 326.9 787.2 0.17 Sounding variables and indices 1000-500 mb thick: 5051.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 30.92 % Est. max temperature: -3.43 C = 25.83 F Sfc-Lift cond lev (LCL): 955.39 mb = 619.13 m = 2031.24 ft T: -17.21 C 700-500 lapse rate: 5.61 C/km ThetaE index: 1.46 C Layer 1009.0-1000.0 mb Conv cond level (CCL): 575.10 mb = 4345.10 m = 14255.41 ft Mean mixing ratio: 0.50 g/kg Conv temperature: 12.54 C = 54.57 F Cap Strength: 24.40 C Lifted Index: 25.00 C Risk: None Lifted Index @300 mb: 30.19 C Lifted Index @700 mb: 17.42 C Showalter Index: 13.69 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 11.40 C K Index: -18.70 Risk: None Sweat Index: 97.00 Risk: None Energy Index: 3.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 65.11 J/kg Max Up Vert Vel: 11.41 m/s Conv Inhibition (B-): 63418.96 J/kg Cap Strength: 24.86 C Lift Cond Lev (LCL): 884.26 mb = 1201.88 m = 3943.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 91 at 24 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 1026 91 360 9 -0.0 -9.0 | 291 25 23.5 -9.2 1 1000 279 20 11 -3.8 -10.3 | 298 22 19.8 -10.6 2 925 862 60 31 -26.8 -15.5 | 12 16 -3.3 -15.7 3 850 1500 65 35 -31.7 -14.8 | 29 17 -8.2 -15.0 4 700 2942 65 40 -36.3 -16.9 | 37 21 -12.7 -17.1 5 500 5330 55 27 -22.1 -15.5 | 355 16 1.4 -15.7 6 400 6830 55 19 -15.6 -10.9 | 324 14 8.0 -11.1 7 300 8670 50 23 -17.6 -14.8 | 339 16 5.9 -15.0 8 290 8879 50 23 -17.6 -14.8 | 339 16 5.9 -15.0 9 250 9790 35 21 -12.0 -17.2 | 327 21 11.5 -17.4 10 200 11170 350 15 2.6 -14.8 | 300 30 26.1 -15.0 11 150 12950 310 21 16.1 -13.5 | 289 42 39.6 -13.7 12 100 15430 295 33 29.9 -13.9 | 285 55 53.4 -14.2 13 70 17590 285 35 33.8 -9.1 | 279 58 57.3 -9.3 14 50 19590 285 44 42.5 -11.4 | 280 67 66.0 -11.6 15 30 22600 280 56 55.1 -9.7 | 277 79 78.7 -10.0 16 20 24990 270 73 73.0 -0.0 | 270 97 96.5 -0.2 17 10 29150 255 110 106.3 28.5 | 258 133 129.8 28.2 Wind Parameters Mean winds (0-6000m): 60.6 at 31.4 knts Storm direction: 90.6 at 23.5 knts Shear (0-3000m) pos: 5.6 neg: 0.7 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 103.1 deg Storm rel helicity (0-3000m) pos: 172.3 neg: -3.8 tot: 168.5 m^2/s^2 ave: 56.2 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 5.8 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 1.11 Bulk Shear: 58.71 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 28 14 306 21| 16.5 0.0 16.5| 82.4 0.0 82.4 164.8 0.90| 16.8 15.1 1000 50 21 333 16| 15.1 0.0 15.1|145.6 0.0 145.6 145.6 0.93| 15.8 14.8 1500 56 25 351 14| 11.2 0.0 11.2|160.2 0.0 160.2 106.8 0.94| 11.7 11.0 2000 59 28 2 15| 8.4 0.4 8.8|164.8 0.0 164.8 82.4 0.92| 9.2 8.5 2500 61 30 10 15| 6.7 0.7 7.4|169.5 0.0 169.5 67.8 0.90| 7.8 7.0 3000 62 32 16 16| 5.6 0.7 6.2|172.3 -3.8 168.5 56.2 0.85| 6.8 5.8 4000 62 33 19 17| 4.2 0.4 4.6|172.3 -31.0 141.3 35.3 0.62| 5.9 3.6 5000 61 33 18 17| 3.3 0.9 4.2|172.3 -56.0 116.3 23.3 0.44| 5.3 2.3 6000 61 31 14 16| 2.8 1.1 3.9|172.3 -76.4 95.9 16.0 0.31| 4.9 1.5 Wrote GIF file: /home/apache/climate/data/raob//U8695/skewt/U8695.skewt.20251209.12.gif