UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 21 APR 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 116 1 925 766 SFC 900 997 10.6 6.4 75 4.2 8.3 210 2 292.4 293.6 285.9 311.7 6.71 3 872 1259 10.6 2.6 58 8.0 6.5 263 6 295.1 296.0 285.5 310.6 5.29 4 869 1287 10.2 3.2 62 7.0 6.5 268 7 295.0 296.0 285.7 311.2 5.54 5 850 1470 9.6 2.6 62 7.0 5.9 305 10 296.2 297.2 286.1 312.2 5.43 6 779 2194 7.4 1.4 66 6.0 4.3 283 10 301.3 302.3 288.0 317.6 5.44 7 723 2804 2.4 -3.6 65 6.0 -0.4 263 9 302.3 303.1 287.0 314.7 4.05 8 720 2838 2.8 -7.2 48 10.0 -1.4 262 9 303.1 303.7 286.3 312.7 3.09 9 718 2861 3.2 -8.8 41 12.0 -1.7 262 9 303.8 304.3 286.2 312.3 2.74 10 704 3021 2.4 -12.6 32 15.0 -3.3 256 9 304.6 305.0 285.7 311.2 2.06 11 700 3067 2.2 -13.8 29 16.0 -3.7 255 9 304.9 305.3 285.7 310.9 1.88 12 662 3515 -0.5 -20.5 20 20.0 -6.7 261 13 306.8 307.0 285.5 310.5 1.13 13 563 4792 -8.3 -27.3 20 19.0 -12.9 278 25 312.1 312.3 286.9 314.6 0.72 14 549 4987 -9.7 -24.7 28 15.0 -13.6 280 26 312.7 312.9 287.4 315.9 0.94 15 500 5700 -15.9 -27.9 35 12.0 -18.5 290 33 313.7 313.8 287.5 316.3 0.77 16 445 6567 -22.7 -29.7 53 7.0 -24.0 287 30 315.7 315.9 288.2 318.3 0.73 17 400 7340 -28.9 -34.9 56 6.0 -29.7 285 28 317.4 317.5 288.5 319.2 0.49 18 377 7761 -32.5 -37.5 61 5.0 -33.1 283 31 318.1 318.2 288.6 319.5 0.40 19 310 9110 -43.5 -51.5 41 8.0 -43.9 276 41 321.0 321.0 289.2 321.4 0.11 20 309 9132 -43.9 -51.9 41 8.0 -44.3 276 41 320.8 320.8 289.1 321.2 0.10 21 300 9330 -45.5 -52.5 45 7.0 -45.8 275 43 321.2 321.2 289.2 321.6 0.10 22 256 10384 -49.9 280 38 329.6 23 250 10540 -49.9 280 38 331.9 24 216 11492 -52.1 283 42 342.6 25 200 11990 -52.9 285 44 349.0 26 170 13036 -54.1 268 42 363.6 27 150 13840 -53.7 255 40 377.5 28 134 14561 -56.5 256 38 385.0 29 100 16390 -63.5 260 32 405.0 30 99 16452 -62.7 260 32 407.8 31 80 17762 -63.9 266 25 430.9 32 70 18580 -64.5 270 21 446.4 33 69 18668 -64.1 264 21 449.1 34 50 20640 -63.5 130 13 493.8 35 40 22022 -61.1 95 11 532.4 36 30 23820 -59.5 50 9 582.4 37 24 25229 -56.5 119 12 629.5 38 20 26390 -55.5 175 15 666.3 39 15 28230 -54.3 208 18 727.4 40 12 29677 -49.3 234 20 793.1 41 10 30880 -46.5 255 22 846.0 42 9.8 31014 -46.3 851.6 TRP 256 10384 -49.9 280 38 329.6 WND Sounding variables and indices 1000-500 mb thick: 5584.00 m Freezing level: 669.04 mb = 3432.33 m = 11260.78 ft Wetbulb zero: 727.66 mb = 2751.82 m = 9028.17 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 40.07 % Est. max temperature: 19.74 C = 67.53 F Sfc-Lift cond lev (LCL): 844.45 mb = 1524.37 m = 5001.15 ft T: 9.43 C 700-500 lapse rate: 6.87 C/km ThetaE index: 7.14 C Layer 723.0- 563.0 mb Conv cond level (CCL): 662.45 mb = 3509.96 m = 11515.46 ft Mean mixing ratio: 5.60 g/kg Conv temperature: 24.51 C = 76.13 F Cap Strength: 5.68 C Lifted Index: 4.71 C Risk: None Lifted Index @300 mb: 6.28 C Lifted Index @700 mb: 4.99 C Showalter Index: 5.06 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 18.50 C K Index: 12.10 Risk: None Sweat Index: 84.20 Risk: None Energy Index: 0.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.98 J/kg Max Up Vert Vel: 7.48 m/s Conv Inhibition (B-): 47294.47 J/kg Cap Strength: 5.68 C Lift Cond Lev (LCL): 767.63 mb = 2314.04 m = 7591.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 14 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 ---------------------------------------------------------- 0 900 997 210 2 1.0 1.7 | 142 15 -9.2 11.9 1 850 1470 305 10 8.2 -5.7 | 155 5 -2.0 4.4 2 700 3067 255 9 8.7 2.3 | 173 13 -1.5 12.5 3 500 5700 290 33 31.0 -11.3 | 273 21 20.8 -1.1 4 400 7340 285 28 27.0 -7.2 | 260 17 16.8 2.9 5 300 9330 275 43 42.8 -3.7 | 259 33 32.6 6.4 6 256 10384 280 38 37.4 -6.6 | 263 27 27.2 3.6 7 250 10540 280 38 37.4 -6.6 | 263 27 27.2 3.6 8 200 11990 285 44 42.5 -11.4 | 272 32 32.3 -1.2 9 150 13840 255 40 38.6 10.4 | 234 35 28.4 20.5 10 100 16390 260 32 31.5 5.6 | 234 26 21.3 15.7 11 70 18580 270 21 21.0 -0.0 | 227 15 10.8 10.2 12 50 20640 130 13 -10.0 8.4 | 133 27 -20.2 18.5 13 30 23820 50 9 -6.9 -5.8 | 104 18 -17.1 4.4 14 20 26390 175 15 -1.3 14.9 | 155 28 -11.5 25.1 15 10 30880 255 22 21.3 5.7 | 215 19 11.0 15.8 Wind Parameters Mean winds (0-6000m): 284.8 at 19.2 knts Storm direction: 314.8 at 14.4 knts Shear (0-3000m) pos: 3.1 neg: 1.3 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 71.2 deg Storm rel helicity (0-3000m) pos: 50.8 neg: -2.1 tot: 48.7 m^2/s^2 ave: 16.2 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.23 Bulk Shear: 22.84 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 ------------------------------------------------------------------------------- 500 295 6 149 9| 10.6 0.0 10.6| 18.1 -1.3 16.8 33.6 0.34| 13.1 4.4 1000 296 8 156 7| 5.3 1.4 6.7| 20.4 -1.3 19.1 19.1 0.37| 8.0 3.0 1500 290 8 163 8| 3.5 1.8 5.3| 21.3 -1.3 20.1 13.4 0.35| 6.2 2.1 2000 284 9 167 8| 2.7 2.0 4.6| 21.3 -2.1 19.2 9.6 0.29| 5.3 1.5 2500 278 9 172 9| 2.7 1.6 4.3| 34.5 -2.1 32.3 12.9 0.40| 5.1 2.0 3000 275 10 179 9| 3.1 1.3 4.4| 50.8 -2.1 48.7 16.2 0.50| 5.1 2.5 4000 277 13 198 9| 3.7 1.0 4.6| 88.8 -2.1 86.7 21.7 0.61| 5.2 3.2 5000 284 17 224 9| 3.6 0.8 4.4|123.0 -6.1 116.9 23.4 0.63| 5.1 3.2 6000 285 19 238 10| 3.0 0.9 3.9|123.0 -19.1 103.9 17.3 0.54| 4.5 2.4 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250421.00.gif