UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 9 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 130 1 925 793 SFC 903 997 16.2 6.2 51 10.0 10.5 305 12 297.9 299.1 287.9 317.3 6.59 3 850 1506 10.4 2.4 58 8.0 6.2 270 12 297.0 298.0 286.4 312.8 5.35 4 742 2615 -0.9 -3.4 83 2.5 -2.0 273 16 296.5 297.2 284.7 308.4 4.01 5 723 2822 -2.1 -5.4 78 3.3 -3.5 274 17 297.4 298.0 284.5 308.0 3.53 6 714 2921 -2.9 -7.9 68 5.0 -4.8 274 17 297.6 298.1 284.0 306.5 2.95 7 707 3000 -2.3 -9.3 59 7.0 -5.0 275 18 299.1 299.6 284.3 307.3 2.67 8 700 3079 -1.3 -14.3 36 13.0 -5.8 275 18 301.0 301.4 284.1 306.7 1.80 9 695 3136 -1.5 -16.5 31 15.0 -6.4 275 19 301.4 301.7 283.9 306.2 1.51 10 685 3252 -1.5 -18.5 26 17.0 -6.8 276 20 302.7 302.9 284.1 306.9 1.30 11 684 3263 -1.9 -17.9 28 16.0 -7.0 276 20 302.4 302.6 284.1 306.7 1.37 12 639 3802 -4.5 -16.5 39 12.0 -8.4 280 25 305.4 305.7 285.5 310.6 1.65 13 619 4051 -6.9 -13.9 57 7.0 -9.3 282 27 305.4 305.8 286.1 312.1 2.11 14 558 4854 -11.5 -20.5 47 9.0 -14.0 288 35 309.2 309.4 286.6 313.6 1.34 15 549 4979 -11.1 -23.1 36 12.0 -14.2 289 36 311.1 311.3 287.0 314.7 1.08 16 500 5690 -16.5 -26.5 42 10.0 -18.7 295 43 312.9 313.1 287.4 315.9 0.88 17 442 6610 -22.5 -39.5 20 17.0 -24.8 301 49 316.6 316.6 287.9 317.6 0.28 18 413 7107 -24.7 -47.7 10 23.0 -27.1 304 52 319.9 320.0 288.9 320.4 0.12 19 400 7340 -26.9 -43.9 18 17.0 -28.7 305 54 320.0 320.1 289.0 320.8 0.19 20 385 7615 -28.9 -43.9 22 15.0 -30.4 304 54 320.9 321.0 289.3 321.7 0.20 21 300 9350 -42.7 -60.7 12 18.0 -43.3 295 57 325.2 325.2 290.3 325.3 0.04 22 295 9463 -43.5 -60.5 14 17.0 -44.1 295 57 325.6 325.6 290.5 325.8 0.04 23 285 9695 -43.3 -64.3 8 21.0 -44.0 296 60 329.1 329.1 291.5 329.2 0.02 24 254 10464 -45.6 -64.3 10 18.7 -46.2 300 71 336.8 336.8 293.6 336.9 0.03 25 250 10570 -45.9 300 71 337.8 26 200 12050 -48.3 280 61 356.3 27 173 13002 -51.3 267 58 366.4 28 150 13930 -52.1 255 55 380.3 29 146 14104 -53.1 254 54 381.5 30 109 15947 -61.7 243 46 398.6 31 100 16480 -61.7 240 44 408.5 32 86 17419 -60.9 240 34 428.1 33 79 17948 -61.3 240 28 437.8 34 70 18700 -61.7 240 20 452.4 35 56 20084 -60.5 243 17 484.9 36 50 20790 -60.1 245 16 501.9 37 48 21044 -59.9 249 16 508.2 38 38 22508 -57.3 275 15 550.0 39 30 24000 -56.9 300 14 589.5 40 23 25691 -56.9 313 26 636.1 41 20 26590 -52.1 320 33 676.7 42 19 26922 -51.9 316 33 687.3 43 15 28454 -51.3 297 34 737.4 44 10 31120 -45.5 265 35 849.7 45 8.0 32621 -41.5 921.6 46 6.6 33928 -40.9 976.3 47 5.6 35052 -38.1 1035.6 48 4.9 35974 -37.1 1080.5 49 4.7 36264 -34.1 1107.3 TRP 295 9463 -43.5 -60.5 14 17.0 -44.1 295 57 325.6 325.6 290.5 325.8 0.04 WND 254 10464 -45.6 -64.3 10 18.7 -46.2 300 71 336.8 336.8 293.6 336.9 0.03 Sounding variables and indices 1000-500 mb thick: 5560.00 m Freezing level: 750.60 mb = 2526.68 m = 8289.53 ft Wetbulb zero: 768.55 mb = 2328.09 m = 7637.99 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 52.82 % Est. max temperature: 14.91 C = 58.83 F Sfc-Lift cond lev (LCL): 777.18 mb = 2236.96 m = 7339.02 ft T: 2.95 C 700-500 lapse rate: 5.82 C/km ThetaE index: 10.79 C Layer 850.0- 707.0 mb Conv cond level (CCL): 761.93 mb = 2398.65 m = 7869.49 ft Mean mixing ratio: 5.53 g/kg Conv temperature: 14.96 C = 58.94 F Cap Strength: 3.82 C Lifted Index: 3.64 C Risk: None Lifted Index @300 mb: 8.55 C Lifted Index @700 mb: 1.14 C Showalter Index: 4.05 C Risk: None Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 18.90 C K Index: 16.30 Risk: < 20 % chance of thunderstorms Sweat Index: 95.80 Risk: None Energy Index: 0.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.41 J/kg Max Up Vert Vel: 8.17 m/s Conv Inhibition (B-): 4.30 J/kg Cap Strength: 3.79 C Lift Cond Lev (LCL): 755.64 mb = 2466.38 m = 8091.69 ft Lev Free Conv (LFC): 750.64 mb = 2520.56 m = 8269.45 ft Equ Level (EL): 700.64 mb = 3071.75 m = 10077.80 ft B at Equ Level: 30.97 J/kg Max Parcel Lev (MPL): 660.64 mb = 3538.33 m = 11608.56 ft Wind level data Storm motion: 321 at 22 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 ---------------------------------------------------------- 0 903 997 305 12 9.8 -6.9 | 159 11 -3.9 9.9 1 850 1506 270 12 12.0 -0.0 | 174 17 -1.7 16.8 2 700 3079 275 18 17.9 -1.6 | 195 16 4.2 15.2 3 500 5690 295 43 39.0 -18.2 | 273 25 25.3 -1.4 4 400 7340 305 54 44.2 -31.0 | 295 34 30.5 -14.2 5 300 9350 295 57 51.7 -24.1 | 281 39 37.9 -7.3 6 295 9463 295 57 51.7 -24.1 | 281 39 37.9 -7.3 7 254 10464 300 71 61.5 -35.5 | 291 51 47.8 -18.7 8 250 10570 300 71 61.5 -35.5 | 291 51 47.8 -18.7 9 200 12050 280 61 60.1 -10.6 | 262 47 46.4 6.2 10 150 13930 255 55 53.1 14.2 | 232 50 39.4 31.0 11 100 16480 240 44 38.1 22.0 | 212 46 24.4 38.8 12 70 18700 240 20 17.3 10.0 | 188 27 3.6 26.8 13 50 20790 245 16 14.5 6.8 | 182 24 0.8 23.5 14 30 24000 300 14 12.1 -7.0 | 171 10 -1.6 9.8 15 20 26590 320 33 21.2 -25.3 | 319 11 7.5 -8.5 16 10 31120 265 35 34.9 3.1 | 227 29 21.2 19.8 Wind Parameters Mean winds (0-6000m): 290.8 at 28.9 knts Storm direction: 320.8 at 21.7 knts Shear (0-3000m) pos: 2.6 neg: 1.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 69.5 deg Storm rel helicity (0-3000m) pos: 76.0 neg: 0.0 tot: 76.0 m^2/s^2 ave: 25.3 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.88 Bulk Shear: 37.91 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 ------------------------------------------------------------------------------- 500 288 12 170 13| 0.0 7.3 7.3| 11.3 0.0 11.3 22.7 0.47| 7.4 3.5 1000 279 12 175 15| 1.0 3.6 4.6| 19.5 0.0 19.5 19.5 0.58| 4.7 2.7 1500 276 13 178 15| 1.3 2.4 3.7| 27.7 0.0 27.7 18.5 0.65| 3.8 2.5 2000 276 14 181 15| 1.5 1.8 3.3| 36.0 0.0 36.0 18.0 0.70| 3.3 2.3 2500 276 15 185 15| 2.1 1.5 3.6| 54.6 0.0 54.6 21.8 0.78| 3.6 2.8 3000 277 17 191 15| 2.6 1.2 3.8| 76.0 0.0 76.0 25.3 0.82| 3.9 3.2 4000 282 20 207 14| 3.3 0.9 4.2|123.0 0.0 123.0 30.7 0.85| 4.2 3.6 5000 287 25 226 14| 3.6 0.7 4.3|175.4 0.0 175.4 35.1 0.84| 4.4 3.7 6000 291 29 244 15| 3.6 0.6 4.2|227.2 0.0 227.2 37.9 0.84| 4.4 3.7 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251009.12.gif