UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 15 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 118 1 925 793 SFC 903 997 21.4 6.4 38 15.0 12.6 285 6 303.3 304.5 289.8 323.4 6.68 3 850 1519 16.0 1.0 36 15.0 8.0 70 6 302.9 303.8 287.9 317.6 4.84 4 803 1998 11.0 1.0 50 10.0 5.8 22 7 302.6 303.5 288.1 318.0 5.12 5 711 2996 1.4 -3.2 71 4.6 -0.7 278 10 302.7 303.5 287.3 315.6 4.25 6 710 3007 1.6 -3.2 70 4.8 -0.6 277 10 303.0 303.8 287.4 316.0 4.25 7 705 3064 2.8 -11.2 35 14.0 -2.7 271 10 305.0 305.4 286.1 312.2 2.30 8 700 3122 3.2 -21.8 14 25.0 -4.5 265 10 306.0 306.2 285.0 309.2 0.95 9 695 3180 2.8 -22.2 14 25.0 -4.8 265 10 306.2 306.4 285.1 309.3 0.93 10 688 3262 2.0 -22.0 15 24.0 -5.3 265 11 306.2 306.4 285.1 309.4 0.95 11 554 4976 -9.7 -24.7 28 15.0 -13.6 262 23 311.9 312.1 287.1 315.1 0.93 12 536 5230 -12.1 -26.1 30 14.0 -15.4 261 24 312.0 312.2 287.1 314.9 0.85 13 513 5565 -14.1 -35.1 15 21.0 -17.9 260 27 313.5 313.6 287.1 314.9 0.38 14 500 5760 -15.9 -31.9 24 16.0 -19.0 260 28 313.7 313.8 287.2 315.5 0.53 15 420 7040 -25.9 -45.9 14 20.0 -27.9 248 36 316.9 316.9 287.9 317.4 0.15 16 400 7390 -28.3 -54.3 6 26.0 -30.2 245 38 318.2 318.2 288.2 318.4 0.06 17 384 7682 -30.9 -43.9 27 13.0 -32.1 245 38 318.5 318.6 288.5 319.3 0.20 18 368 7983 -32.3 -39.3 50 7.0 -33.1 245 38 320.6 320.6 289.3 321.8 0.34 19 319 8975 -40.9 -46.9 52 6.0 -41.3 245 37 322.0 322.0 289.6 322.7 0.18 20 300 9390 -44.5 -50.5 51 6.0 -44.8 245 37 322.6 322.7 289.7 323.1 0.12 21 250 10590 -53.7 -63.7 28 10.0 -53.9 245 48 326.2 326.2 290.7 326.3 0.03 22 246 10694 -54.3 240 50 326.8 23 238 10907 -54.1 242 51 330.2 24 200 12030 -53.1 250 58 348.7 25 180 12703 -55.3 248 57 355.8 26 150 13860 -56.5 245 54 372.7 27 149 13903 -56.7 245 54 373.1 28 140 14297 -59.3 244 57 375.2 29 105 16097 -61.3 240 70 403.6 30 104 16157 -61.6 240 70 404.1 31 100 16400 -62.9 245 65 406.2 32 86 17331 -62.7 241 56 424.5 33 76 18098 -60.3 237 49 444.8 34 70 18610 -61.5 235 44 452.8 35 64 19168 -59.5 235 38 469.0 36 50 20710 -60.5 235 22 500.9 37 49 20836 -60.9 235 22 502.9 38 40 22106 -57.7 233 22 541.0 39 33 23323 -56.1 231 21 575.8 40 30 23930 -55.1 230 21 594.4 41 24 25368 -52.5 236 23 641.2 42 20 26550 -52.1 240 25 676.7 43 15 28420 -51.3 259 26 737.4 44 10 31100 -44.3 285 27 854.2 45 9.6 31373 -44.9 861.9 46 8.5 32187 -44.7 893.3 47 7.0 33497 -40.9 960.0 48 6.6 33900 -38.5 986.3 TRP 246 10694 -54.3 240 50 326.8 WND 104 16157 -61.6 240 70 404.1 Sounding variables and indices 1000-500 mb thick: 5642.00 m Freezing level: 665.09 mb = 3555.12 m = 11663.64 ft Wetbulb zero: 721.50 mb = 2875.64 m = 9434.40 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 34.01 % Est. max temperature: 20.81 C = 69.46 F Sfc-Lift cond lev (LCL): 722.59 mb = 2863.23 m = 9393.68 ft T: 2.68 C 700-500 lapse rate: 7.24 C/km ThetaE index: 6.81 C Layer 705.0- 695.0 mb Conv cond level (CCL): 647.17 mb = 3746.17 m = 12290.43 ft Mean mixing ratio: 5.38 g/kg Conv temperature: 25.87 C = 78.56 F Cap Strength: 2.97 C Lifted Index: 0.96 C Risk: Showers probable Lifted Index @300 mb: 2.94 C Lifted Index @700 mb: 2.81 C Showalter Index: 1.83 C Risk: Showers probable Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 31.90 C Cross Totals Index: 16.90 C K Index: 7.90 Risk: None Sweat Index: 52.00 Risk: None Energy Index: -0.35 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.55 J/kg Max Up Vert Vel: 5.01 m/s Conv Inhibition (B-): 53067.87 J/kg Cap Strength: 2.97 C Lift Cond Lev (LCL): 693.19 mb = 3201.27 m = 10502.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 13 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 ---------------------------------------------------------- 0 903 997 285 6 5.8 -1.6 | 113 7 -6.9 2.9 1 850 1519 70 6 -5.6 -2.1 | 97 18 -18.3 2.4 2 700 3122 265 10 10.0 0.9 | 153 6 -2.7 5.3 3 500 5760 260 28 27.6 4.9 | 238 18 14.9 9.3 4 400 7390 245 38 34.4 16.1 | 227 30 21.8 20.5 5 300 9390 245 37 33.5 15.6 | 226 29 20.9 20.1 6 250 10590 245 48 43.5 20.3 | 231 40 30.8 24.7 7 246 10694 240 50 43.3 25.0 | 226 42 30.6 29.5 8 200 12030 250 58 54.5 19.8 | 240 48 41.8 24.3 9 150 13860 245 54 48.9 22.8 | 233 45 36.3 27.3 10 104 16157 240 70 60.6 35.0 | 231 62 47.9 39.5 11 100 16400 245 65 58.9 27.5 | 235 56 46.2 31.9 12 70 18610 235 44 36.0 25.2 | 218 38 23.4 29.7 13 50 20710 235 22 18.0 12.6 | 197 18 5.3 17.1 14 30 23930 230 21 16.1 13.5 | 191 18 3.4 17.9 15 20 26550 240 25 21.7 12.5 | 208 19 9.0 17.0 16 10 31100 285 27 26.1 -7.0 | 281 14 13.4 -2.5 Wind Parameters Mean winds (0-6000m): 259.3 at 17.9 knts Storm direction: 289.3 at 13.4 knts Shear (0-3000m) pos: 1.9 neg: 3.7 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 94.0 deg Storm rel helicity (0-3000m) pos: 32.4 neg: -36.7 tot: -4.4 m^2/s^2 ave: -1.5 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.27 Bulk Shear: 47.29 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 ------------------------------------------------------------------------------- 500 349 6 83 12| 11.6 0.0 11.6| 14.7 -9.4 5.4 10.8 -0.06| 14.8 -0.9 1000 32 6 87 16| 5.8 2.6 8.3| 14.7 -28.5 -13.8 -13.8 -0.26| 10.1 -2.6 1500 6 7 80 14| 3.9 3.7 7.5| 14.7 -36.7 -22.0 -14.7 -0.28| 9.2 -2.5 2000 319 7 82 8| 2.9 3.9 6.8| 21.4 -36.7 -15.3 -7.6 -0.06| 9.0 -0.5 2500 281 8 121 6| 2.3 3.8 6.1| 27.3 -36.7 -9.5 -3.8 0.05| 8.1 0.4 3000 273 9 138 5| 1.9 3.7 5.7| 32.4 -36.7 -4.4 -1.5 0.12| 7.4 0.9 4000 266 12 169 5| 1.4 3.7 5.1| 42.1 -36.7 5.3 1.3 0.18| 6.4 1.2 5000 263 15 198 7| 1.2 3.6 4.8| 48.3 -38.8 9.6 1.9 0.18| 5.9 1.0 6000 259 18 212 9| 1.0 3.6 4.5| 48.3 -56.0 -7.7 -1.3 0.11| 5.6 0.6 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251015.12.gif