UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 19 OCT 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 180 1 925 832 SFC 907 997 11.2 7.9 80 3.3 9.3 300 2 292.4 293.7 286.6 313.6 7.38 3 906 1006 11.2 7.9 80 3.3 9.3 299 2 292.5 293.8 286.6 313.7 7.39 4 890 1155 12.8 3.8 54 9.0 8.0 290 3 295.6 296.7 286.1 312.2 5.65 5 885 1202 12.4 4.4 58 8.0 8.0 287 4 295.7 296.8 286.4 313.0 5.93 6 881 1240 12.2 4.2 58 8.0 7.9 284 4 295.9 296.9 286.4 313.1 5.87 7 850 1538 10.6 3.6 62 7.0 6.9 265 6 297.3 298.3 286.9 314.4 5.83 8 745 2628 5.0 -1.0 65 6.0 2.0 272 11 302.6 303.5 287.8 317.0 4.77 9 739 2695 5.2 -3.8 52 9.0 1.0 272 11 303.5 304.2 287.2 315.5 3.90 10 700 3137 3.0 -7.0 48 10.0 -1.4 275 13 305.8 306.4 287.4 315.9 3.23 11 663 3575 1.0 -20.0 19 21.0 -5.7 274 17 308.3 308.6 286.1 312.2 1.18 12 632 3959 -0.9 -21.9 19 21.0 -7.3 273 20 310.4 310.6 286.7 313.9 1.05 13 611 4228 -2.1 -11.1 50 9.0 -5.7 273 22 312.1 312.6 288.9 320.7 2.68 14 588 4531 -4.5 -13.5 49 9.0 -7.8 272 25 312.7 313.1 288.8 320.2 2.29 15 560 4914 -6.3 -18.3 38 12.0 -10.2 272 28 315.0 315.3 288.9 320.4 1.61 16 500 5790 -12.7 -25.7 33 13.0 -15.9 270 36 317.6 317.7 289.0 320.8 0.94 17 449 6602 -19.9 -30.9 37 11.0 -22.0 272 42 318.4 318.6 288.9 320.7 0.65 18 445 6668 -20.7 -31.7 37 11.0 -22.7 273 42 318.2 318.3 288.9 320.4 0.60 19 400 7450 -26.1 -41.1 23 15.0 -27.9 275 48 321.1 321.1 289.4 322.0 0.26 20 333 8754 -36.1 -50.1 22 14.0 -37.0 285 61 324.7 324.7 290.3 325.1 0.12 21 330 8817 -36.7 -48.7 28 12.0 -37.5 285 62 324.7 324.7 290.3 325.2 0.14 22 300 9470 -42.7 -52.7 33 10.0 -43.2 290 69 325.2 325.2 290.5 325.6 0.10 23 250 10670 -52.5 280 63 328.0 24 210 11776 -60.7 270 58 332.0 25 205 11926 -60.1 270 59 335.2 26 200 12080 -60.7 270 61 336.6 27 160 13477 -60.3 274 73 359.5 28 150 13880 -61.3 275 77 364.5 29 147 14006 -60.9 273 79 367.3 30 144 14134 -60.7 270 82 369.8 31 106 16054 -58.1 266 65 408.6 32 100 16420 -60.3 265 62 411.2 33 75 18205 -62.5 261 42 441.9 34 70 18630 -63.7 260 37 448.1 35 59 19675 -64.9 257 36 467.9 36 50 20690 -62.1 255 35 497.1 37 42 21778 -57.7 265 35 533.5 38 32 23477 -61.9 281 36 565.4 39 31 23674 -60.1 283 36 575.4 40 30 23880 -57.5 285 36 587.9 41 28 24314 -58.5 282 36 596.8 42 23 25545 -60.1 272 37 626.7 43 20 26420 -58.3 265 38 657.7 44 18 27088 -55.9 267 41 685.4 45 17 27454 -53.7 267 42 703.8 46 12 29700 -53.1 272 51 779.6 47 10 30890 -47.9 275 56 840.7 48 8.8 31738 -45.7 880.6 49 7.3 32976 -48.1 919.1 50 6.2 34071 -40.3 996.4 51 5.1 35418 -35.1 1077.2 52 4.8 35842 -34.1 1100.7 TRP 210 11776 -60.7 270 58 332.0 WND 144 14134 -60.7 270 82 369.8 Sounding variables and indices 1000-500 mb thick: 5610.00 m Freezing level: 646.68 mb = 3776.92 m = 12391.32 ft Wetbulb zero: 722.51 mb = 2878.81 m = 9444.80 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 46.17 % Est. max temperature: 20.47 C = 68.85 F Sfc-Lift cond lev (LCL): 862.82 mb = 1413.36 m = 4636.94 ft T: 11.27 C 700-500 lapse rate: 5.92 C/km ThetaE index: 1.58 C Layer 739.0- 700.0 mb Conv cond level (CCL): 642.41 mb = 3827.69 m = 12557.90 ft Mean mixing ratio: 5.86 g/kg Conv temperature: 28.04 C = 82.47 F Cap Strength: 7.22 C Lifted Index: 7.08 C Risk: None Lifted Index @300 mb: 8.20 C Lifted Index @700 mb: 5.18 C Showalter Index: 6.91 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 16.30 C K Index: 16.90 Risk: < 20 % chance of thunderstorms Sweat Index: 91.20 Risk: None Energy Index: 1.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.05 J/kg Max Up Vert Vel: 6.49 m/s Conv Inhibition (B-): 62363.05 J/kg Cap Strength: 7.22 C Lift Cond Lev (LCL): 769.44 mb = 2361.52 m = 7747.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 17 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 ---------------------------------------------------------- 0 907 997 300 2 1.7 -1.0 | 122 15 -12.4 7.7 1 850 1538 265 6 6.0 0.5 | 139 12 -8.2 9.3 2 700 3137 275 13 13.0 -1.1 | 171 8 -1.2 7.6 3 500 5790 270 36 36.0 -0.0 | 248 24 21.8 8.7 4 400 7450 275 48 47.8 -4.2 | 262 34 33.7 4.6 5 300 9470 290 69 64.8 -23.6 | 286 53 50.7 -14.9 6 250 10670 280 63 62.0 -10.9 | 273 48 47.9 -2.2 7 210 11776 270 58 58.0 -0.0 | 259 45 43.8 8.7 8 200 12080 270 61 61.0 -0.0 | 259 48 46.8 8.7 9 150 13880 275 77 76.7 -6.7 | 268 63 62.6 2.0 10 144 14134 270 82 82.0 -0.0 | 263 68 67.8 8.7 11 100 16420 265 62 61.8 5.4 | 253 50 47.6 14.1 12 70 18630 260 37 36.4 6.4 | 236 27 22.3 15.2 13 50 20690 255 35 33.8 9.1 | 228 27 19.7 17.8 14 30 23880 285 36 34.8 -9.3 | 272 21 20.6 -0.6 15 20 26420 265 38 37.9 3.3 | 243 27 23.7 12.0 16 10 30890 275 56 55.8 -4.9 | 265 42 41.6 3.9 Wind Parameters Mean winds (0-6000m): 271.7 at 22.2 knts Storm direction: 301.7 at 16.6 knts Shear (0-3000m) pos: 1.8 neg: 1.4 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 97.9 deg Storm rel helicity (0-3000m) pos: 41.9 neg: 0.0 tot: 41.9 m^2/s^2 ave: 14.0 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.47 Bulk Shear: 44.49 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 ------------------------------------------------------------------------------- 500 275 4 129 13| 0.0 4.3 4.3| 11.4 0.0 11.4 22.8 0.77| 4.4 3.4 1000 269 5 135 12| 1.2 2.1 3.3| 17.2 0.0 17.2 17.2 0.78| 3.4 2.7 1500 270 7 139 12| 1.6 1.4 3.0| 21.7 0.0 21.7 14.5 0.77| 3.1 2.4 2000 271 8 143 11| 1.7 1.1 2.8| 25.9 0.0 25.9 12.9 0.77| 2.9 2.2 2500 273 9 148 10| 2.2 0.9 3.0| 33.2 0.0 33.2 13.3 0.82| 3.1 2.5 3000 273 10 156 9| 1.8 1.4 3.2| 41.9 0.0 41.9 14.0 0.83| 3.3 2.8 4000 272 14 180 8| 1.3 2.2 3.5| 58.2 0.0 58.2 14.6 0.75| 3.6 2.7 5000 271 18 206 9| 1.5 2.2 3.7| 75.4 0.0 75.4 15.1 0.66| 3.8 2.5 6000 272 22 225 11| 1.9 1.8 3.7|106.4 0.0 106.4 17.7 0.64| 3.8 2.4 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251019.00.gif