UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 11 DEC 25 Station: LTBM WMO ident: 17240 Latitude: 37.75 Longitude: 30.55 Elevation: 997.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 134 1 925 785 SFC 902 997 11.2 1.2 50 10.0 6.2 105 9 292.9 293.7 283.9 306.3 4.62 3 850 1486 6.2 -1.8 56 8.0 2.5 65 15 292.6 293.3 283.1 304.2 3.94 4 776 2223 -1.3 -7.3 64 6.0 -3.6 44 18 292.3 292.8 281.7 300.7 2.84 5 753 2462 -3.3 -9.3 63 6.0 -5.5 37 19 292.7 293.1 281.4 300.2 2.51 6 748 2515 -3.5 -13.5 46 10.0 -6.8 35 20 293.0 293.3 280.7 298.5 1.80 7 747 2525 -2.3 -13.3 43 11.0 -6.0 35 20 294.4 294.7 281.3 300.0 1.83 8 728 2730 -2.1 -27.1 13 25.0 -8.1 29 21 296.8 296.9 280.7 298.7 0.57 9 725 2763 -2.3 -27.3 13 25.0 -8.2 28 21 296.9 297.0 280.8 298.8 0.56 10 724 2774 -2.3 -26.3 14 24.0 -8.1 28 21 297.1 297.2 280.9 299.1 0.62 11 700 3042 -2.3 -35.3 6 33.0 -8.9 20 22 299.9 300.0 281.7 300.9 0.27 12 682 3249 -3.1 -42.1 3 39.0 -9.8 20 25 301.3 301.3 282.1 301.8 0.14 13 644 3700 -5.5 -37.5 6 32.0 -11.4 20 31 303.5 303.6 283.1 304.4 0.24 14 603 4215 -7.3 -48.3 2 41.0 -13.2 20 38 307.2 307.2 284.4 307.5 0.08 15 500 5650 -16.1 -34.1 20 18.0 -19.3 20 57 313.4 313.5 287.1 314.9 0.43 16 416 7016 -26.3 -45.3 15 19.0 -28.2 8 59 317.2 317.3 288.1 317.8 0.16 17 400 7300 -28.1 -47.1 15 19.0 -29.9 5 59 318.5 318.5 288.4 319.0 0.14 18 308 9114 -43.3 -59.3 16 16.0 -43.9 23 69 321.9 321.9 289.4 322.1 0.04 19 300 9290 -44.1 -64.1 9 20.0 -44.7 25 70 323.2 323.2 289.8 323.3 0.02 20 250 10490 -54.1 10 55 325.6 21 212 11530 -61.3 5 68 330.1 22 200 11890 -62.5 20 53 333.8 23 199 11921 -62.5 19 53 334.3 24 174 12743 -65.1 5 43 343.1 25 150 13650 -63.1 350 33 361.4 26 117 15187 -63.3 347 24 387.6 27 100 16160 -62.1 345 19 407.7 28 70 18360 -62.3 340 13 451.1 29 59 19414 -63.1 330 18 471.9 30 54 19958 -64.3 325 20 481.2 31 50 20430 -63.3 320 22 494.3 32 43 21360 -63.3 310 21 516.1 33 39 21964 -62.5 303 21 532.7 34 34 22816 -61.1 294 20 557.7 35 30 23600 -58.3 285 19 585.7 36 26 24503 -58.1 296 23 610.7 37 22 25556 -58.1 308 27 640.6 38 20 26160 -56.3 315 29 663.8 39 16 27601 -53.1 304 41 718.0 40 11 30019 -55.5 285 60 790.5 41 10 30640 -48.1 280 65 840.0 42 9.5 30978 -48.3 851.7 43 9.0 31333 -49.1 861.8 44 8.5 31709 -48.3 879.2 45 8.0 32112 -44.3 910.5 46 7.0 33011 -42.5 285 93 953.4 47 6.8 33207 -42.1 963.0 TRP 212 11530 -61.3 5 68 330.1 WND 7.0 33011 -42.5 285 93 953.4 Sounding variables and indices 1000-500 mb thick: 5516.00 m Freezing level: 788.83 mb = 2095.12 m = 6873.67 ft Wetbulb zero: 819.46 mb = 1782.03 m = 5846.49 ft Precipitable water: 0.26 inches Sfc-500 mean rel hum: 25.04 % Est. max temperature: 11.07 C = 51.92 F Sfc-Lift cond lev (LCL): 774.68 mb = 2236.42 m = 7337.24 ft T: -1.41 C 700-500 lapse rate: 5.29 C/km ThetaE index: 7.87 C Layer 850.0- 747.0 mb Conv cond level (CCL): 641.76 mb = 3727.60 m = 12229.51 ft Mean mixing ratio: 3.93 g/kg Conv temperature: 21.76 C = 71.17 F Cap Strength: 7.86 C Lifted Index: 10.01 C Risk: None Lifted Index @300 mb: 13.65 C Lifted Index @700 mb: 4.83 C Showalter Index: 10.01 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 14.30 C K Index: -12.50 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 2.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.73 J/kg Max Up Vert Vel: 3.39 m/s Conv Inhibition (B-): 60769.70 J/kg Cap Strength: 9.98 C Lift Cond Lev (LCL): 750.87 mb = 2484.43 m = 8150.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 51 at 27 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 ---------------------------------------------------------- 0 902 997 105 9 -8.7 2.3 | 213 23 12.5 19.4 1 850 1486 65 15 -13.6 -6.3 | 215 13 7.6 10.8 2 700 3042 20 22 -7.5 -20.7 | 285 14 13.7 -3.6 3 500 5650 20 57 -19.5 -53.6 | 357 36 1.7 -36.4 4 400 7300 5 59 -5.1 -58.8 | 339 45 16.0 -41.7 5 300 9290 25 70 -29.6 -63.4 | 10 47 -8.4 -46.3 6 250 10490 10 55 -9.6 -54.2 | 343 39 11.6 -37.0 7 212 11530 5 68 -5.9 -67.7 | 343 53 15.3 -50.6 8 200 11890 20 53 -18.1 -49.8 | 355 33 3.1 -32.7 9 150 13650 350 33 5.7 -32.5 | 300 31 26.9 -15.4 10 100 16160 345 19 4.9 -18.4 | 273 26 26.1 -1.2 11 70 18360 340 13 4.4 -12.2 | 259 26 25.6 4.9 12 50 20430 320 22 14.1 -16.9 | 270 35 35.3 0.3 13 30 23600 285 19 18.4 -4.9 | 253 41 39.5 12.2 14 20 26160 315 29 20.5 -20.5 | 275 42 41.7 -3.4 15 10 30640 280 65 64.0 -11.3 | 266 85 85.2 5.8 Wind Parameters Mean winds (0-6000m): 21.1 at 36.3 knts Storm direction: 51.1 at 27.2 knts Shear (0-3000m) pos: 0.0 neg: 6.0 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 116.5 deg Storm rel helicity (0-3000m) pos: 88.7 neg: -5.8 tot: 82.9 m^2/s^2 ave: 27.6 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 132.90 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 79 12 212 18| 0.0 10.3 10.3| 5.4 -5.8 -0.4 -0.8 0.03| 10.7 0.4 1000 66 14 216 14| 0.0 7.3 7.3| 15.3 -5.8 9.5 9.5 0.25| 7.8 1.9 1500 56 16 225 12| 0.0 6.3 6.3| 27.9 -5.8 22.1 14.8 0.43| 6.9 3.0 2000 46 17 240 11| 0.0 5.8 5.8| 40.2 -5.8 34.4 17.2 0.49| 6.7 3.3 2500 39 18 254 10| 0.0 5.9 5.9| 63.7 -5.8 58.0 23.2 0.59| 6.7 3.9 3000 34 20 269 10| 0.0 6.0 6.0| 88.7 -5.8 82.9 27.6 0.64| 6.7 4.3 4000 28 26 302 11| 0.0 6.2 6.2|138.6 -5.8 132.8 33.2 0.63| 6.8 4.3 5000 25 32 326 14| 0.0 6.0 6.0|168.6 -30.0 138.6 27.7 0.53| 6.6 3.5 6000 21 36 334 19| 0.0 5.2 5.2|168.6-114.2 54.3 9.1 0.36| 6.3 2.3 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251211.12.gif