UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101412.upa.cvt Date: 1200Z 14 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 14 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 123 1 925 796 SFC 904 997 20.6 4.6 35 16.0 11.5 75 4 302.4 303.4 288.8 320.0 5.88 3 850 1520 14.6 1.6 41 13.0 7.7 230 8 301.4 302.4 287.6 316.6 5.05 4 738 2690 3.4 -3.6 60 7.0 0.2 270 12 301.7 302.4 286.6 313.7 3.97 5 735 2724 3.2 -5.8 52 9.0 -0.7 271 12 301.8 302.4 286.1 312.1 3.37 6 714 2959 3.2 -12.8 30 16.0 -2.9 279 13 304.3 304.7 285.5 310.6 2.00 7 704 3073 2.4 -10.6 38 13.0 -2.7 283 14 304.6 305.1 286.1 312.2 2.42 8 700 3119 2.2 -10.8 38 13.0 -2.9 285 14 304.9 305.4 286.2 312.5 2.39 9 688 3258 1.2 -11.8 37 13.0 -3.8 285 14 305.3 305.7 286.2 312.4 2.25 10 571 4727 -8.9 -21.9 34 13.0 -12.5 282 19 310.2 310.4 286.8 314.0 1.16 11 557 4919 -10.1 -21.1 40 11.0 -13.2 282 19 311.0 311.2 287.2 315.2 1.27 12 500 5740 -16.3 -28.3 35 12.0 -18.8 280 22 313.2 313.3 287.3 315.7 0.74 13 410 7203 -27.7 -39.7 31 12.0 -29.1 267 23 316.7 316.8 288.1 317.8 0.30 14 400 7380 -28.9 -42.9 25 14.0 -30.3 265 23 317.4 317.5 288.2 318.2 0.22 15 347 8380 -36.9 -47.9 31 11.0 -37.7 270 26 319.8 319.8 288.8 320.3 0.14 16 336 8602 -38.9 -49.9 30 11.0 -39.5 271 27 320.0 320.0 288.9 320.5 0.12 17 300 9370 -44.9 -56.9 25 12.0 -45.3 275 30 322.1 322.1 289.5 322.3 0.06 18 272 10020 -50.3 -61.3 26 11.0 -50.5 260 31 323.4 323.4 289.8 323.5 0.04 19 251 10544 -51.9 265 44 328.5 20 250 10570 -52.1 265 45 328.6 21 200 12010 -52.1 255 60 350.3 22 179 12729 -53.9 257 56 358.6 23 150 13860 -57.3 260 50 371.4 24 141 14251 -56.9 258 49 378.7 25 116 15474 -60.5 254 47 393.8 26 100 16390 -63.3 250 45 405.4 27 94 16771 -64.1 251 48 411.1 28 88 17178 -62.9 252 51 421.3 29 71 18503 -63.5 255 62 446.8 30 70 18590 -63.5 265 59 448.5 31 52 20435 -59.3 238 27 498.1 32 50 20680 -60.9 235 23 500.0 33 43 21621 -60.3 247 23 523.5 34 31 23682 -56.5 272 22 585.1 35 30 23890 -56.7 275 22 590.1 36 23 25592 -54.9 268 27 641.9 37 20 26490 -55.1 265 30 667.5 38 16 27928 -52.9 273 26 718.7 39 13 29282 -49.3 281 22 775.1 40 10 31020 -45.7 290 17 849.0 41 7.0 33436 -38.1 971.5 TRP 272 10020 -50.3 -61.3 26 11.0 -50.5 260 31 323.4 323.4 289.8 323.5 0.04 WND 71 18503 -63.5 255 62 446.8 Sounding variables and indices 1000-500 mb thick: 5617.00 m Freezing level: 674.10 mb = 3432.61 m = 11261.70 ft Wetbulb zero: 737.37 mb = 2697.35 m = 8849.45 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 40.29 % Est. max temperature: 19.92 C = 67.86 F Sfc-Lift cond lev (LCL): 712.14 mb = 2979.80 m = 9776.13 ft T: 3.05 C 700-500 lapse rate: 7.06 C/km ThetaE index: 9.41 C Layer 850.0- 704.0 mb Conv cond level (CCL): 651.21 mb = 3691.20 m = 12110.08 ft Mean mixing ratio: 5.17 g/kg Conv temperature: 24.91 C = 76.84 F Cap Strength: 2.93 C Lifted Index: 1.64 C Risk: Showers probable Lifted Index @300 mb: 3.83 C Lifted Index @700 mb: 2.90 C Showalter Index: 1.99 C Risk: Showers probable Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.90 C Cross Totals Index: 17.90 C K Index: 19.50 Risk: < 20 % chance of thunderstorms Sweat Index: 57.20 Risk: None Energy Index: -0.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.40 J/kg Max Up Vert Vel: 3.58 m/s Conv Inhibition (B-): 63921.54 J/kg Cap Strength: 2.93 C Lift Cond Lev (LCL): 698.83 mb = 3132.48 m = 10277.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 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 ---------------------------------------------------------- 0 904 997 75 4 -3.9 -1.0 | 114 15 -13.7 6.1 1 850 1520 230 8 6.1 5.1 | 163 13 -3.7 12.3 2 700 3119 285 14 13.5 -3.6 | 226 5 3.7 3.5 3 500 5740 280 22 21.7 -3.8 | 254 12 11.9 3.3 4 400 7380 265 23 22.9 2.0 | 235 16 13.1 9.2 5 300 9370 275 30 29.9 -2.6 | 257 21 20.1 4.5 6 272 10020 260 31 30.5 5.4 | 239 24 20.7 12.5 7 250 10570 265 45 44.8 3.9 | 252 37 35.0 11.1 8 200 12010 255 60 58.0 15.5 | 245 53 48.1 22.7 9 150 13860 260 50 49.2 8.7 | 248 42 39.4 15.8 10 100 16390 250 45 42.3 15.4 | 235 40 32.5 22.6 11 71 18503 255 62 59.9 16.0 | 245 55 50.1 23.2 12 70 18590 265 59 58.8 5.1 | 256 50 49.0 12.3 13 50 20680 235 23 18.8 13.2 | 204 22 9.0 20.4 14 30 23890 275 22 21.9 -1.9 | 247 13 12.1 5.2 15 20 26490 265 30 29.9 2.6 | 244 22 20.1 9.8 16 10 31020 290 17 16.0 -5.8 | 258 6 6.2 1.3 Wind Parameters Mean winds (0-6000m): 276.1 at 16.2 knts Storm direction: 306.1 at 12.1 knts Shear (0-3000m) pos: 3.2 neg: 0.3 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 128.5 deg Storm rel helicity (0-3000m) pos: 86.0 neg: 0.0 tot: 86.0 m^2/s^2 ave: 28.7 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 30.82 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 ------------------------------------------------------------------------------- 500 206 6 150 14| 11.7 0.0 11.7| 58.5 0.0 58.5 117.0 0.86| 16.1 13.8 1000 232 7 161 12| 7.1 0.0 7.1| 68.7 0.0 68.7 68.7 0.85| 10.1 8.5 1500 245 8 169 11| 5.4 0.0 5.4| 76.1 0.0 76.1 50.7 0.83| 8.0 6.7 2000 259 10 177 9| 4.4 0.0 4.4| 82.0 0.0 82.0 41.0 0.82| 7.1 5.8 2500 267 10 185 8| 3.9 0.0 3.9| 84.5 0.0 84.5 33.8 0.81| 6.1 5.0 3000 272 11 193 7| 3.2 0.3 3.5| 86.0 0.0 86.0 28.7 0.80| 5.4 4.3 4000 276 13 209 7| 2.4 0.6 3.0| 88.8 0.0 88.8 22.2 0.77| 4.4 3.4 5000 277 15 223 7| 1.9 0.8 2.7| 90.5 -2.4 88.1 17.6 0.70| 3.9 2.7 6000 276 16 229 8| 1.6 0.8 2.4| 90.5 -13.0 77.5 12.9 0.57| 3.5 2.0 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251014.12.gif